BOSTON SCIENTIFIC SCIMED, INC. Patent applications |
Patent application number | Title | Published |
20160136390 | APPARATUSES AND METHODS FOR PERFORMING THERAPY ON TISSUE - An apparatus for positioning a device relative to tissue may include an emitter and a detector coupled to the device. The emitter may emit energy onto the tissue. The detector may detect energy reflected from the tissue. The detector may also generate a detector output signal indicative of a characteristic of the reflected energy. The apparatus may also include a processor that receives the detector output signal from the detector. The processor may determine whether there has been relative movement between the device and the tissue based on the detector output signal. The processor may also generate a processor output signal based on the relative movement. The apparatus may also include an actuator assembly engaging the device. The actuator assembly may receive the processor output signal from the processor. The actuator assembly may also move the device based on the processor output signal. | 05-19-2016 |
20160135951 | LOW PROFILE HEART VALVE AND DELIVERY SYSTEM - Apparatus for endovascularly replacing a patient's heart valve, including: a delivery catheter having a diameter of 21 french or less; an expandable anchor disposed within the delivery catheter; and a replacement valve disposed within the delivery catheter. The invention also includes a method for endovascularly replacing a heart valve of a patient. In some embodiments the method includes the steps of: inserting a catheter having a diameter no more than 21 french into the patient; endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve through the catheter; and deploying the anchor and the replacement valve. | 05-19-2016 |
20160135949 | VALVULOPLASTY DEVICE - The disclosure pertains to valvuloplasty devices which include a first outer shaft, a second inner shaft, a plurality of elongate members disposed therebetween and adapted to be expanded radially by relative motion between the first outer shaft and second inner shaft and a circumferential member disposed about the central portions of the plurality of elongate members, wherein the circumferential member is urged by radial expansion of the plurality of elongate members to contact the valve to be treated thereby effecting a valvuloplasty and methods of use therefor. | 05-19-2016 |
20160135669 | FLUID DELIVERY SYSTEM FOR USE WITH AN ENDOSCOPE - A fluid delivery system for use with an endoscope. Certain embodiments of the invention include a single, large fluid source and pump installed upon an operator console, in combination with a small fluid reservoir and pump installed within a proximal connector of the imaging endoscope, multiple fluid sources that feed a common fluid channel that are pressurized by a common pump, multiple fluid sources that feed dedicated fluid channels that are pressurized by dedicated pumps, and a small fluid reservoir and pump installed within a handheld manual controller of the imaging endoscope. The fluid delivery endoscopic systems of the present invention provide the user with the flexibility of changing fluids either in advance of a procedure or on-the-fly as needed, instead of relying on fixed fluid sources only. | 05-19-2016 |
20160135665 | METHODS AND SYSTEMS FOR ATTACHING MEDICAL DEVICE SECTIONS - Embodiments of the disclosure include methods and systems for attaching an articulation section. In an embodiment, a medical instrument includes a first tubular member including a first end. The medical instrument also includes a second tubular member including a first end. The second tubular member includes a plurality of layers including an inner layer and a first layer including a fluorinated material. The inner layer includes a first section disposed under the first layer and a second section extending out from under the first layer. A portion of the first tubular member overlaps and is bonded to at least a portion of the second section of the inner layer of the second tubular member. | 05-19-2016 |
20160129227 | BALLOON CATHETER WITH IMPROVED PUSHABILITY - Balloon catheter and methods for making and using balloon catheters are disclosed. An example balloon catheter may include a proximal shaft. A midshaft may be attached to the proximal shaft. The midshaft may have an outer wall. A distal shaft may be attached to the midshaft. A balloon may be coupled to the distal shaft. An inflation lumen may be defined that extends from the proximal shaft, through the midshaft, and into the distal shaft. The inflation lumen may be in fluid communication with the balloon. A core wire may be disposed within the inflation lumen and may be attached to the midshaft. | 05-12-2016 |
20160129221 | MEDICAL DEVICE HAVING AN ATRAUMATIC DISTAL TIP - A delivery catheter includes a soft, atraumatic distal tip. The distal tip is configured to transition from a folded configuration to an unfolded configuration during delivery of a medical device. A wall thickness of the distal tip may be increased such that the distal tip is biased to remain in the unfolded configuration after delivery. Additionally, the increased wall thickness in a selected region of the distal tip may cause the distal tip to resist and/or prevent collapse of the distal tip during retrieval and/or repositioning of the medical device when the medical device comes into contact with a distal end of the catheter. The distal edge of the distal tip may be rounded so as to prevent the distal tip from damaging tissue during advancement of the catheter to a target location within a patient's body. | 05-12-2016 |
20160129159 | MEDICAL DEVICES HAVING ENHANCED PERFORMANCE - In some aspects, the present disclosure provides medical devices that comprise a composite region comprising a binding polymer portion and an oriented fibrous polymer reinforcement portion, wherein the composite region is formed by a process that comprises heating and compressing one or more oriented polymer fibers. Other aspects of the present disclosure relative to methods of forming such medical devices. | 05-12-2016 |
20160129158 | Multilayer Medical Balloon - An expandable medical balloon including an inner layer formed of a poly (ether-block-amide) copolymer and an outer layer formed of a polyamide, the expandable medical balloon having a burst strength of greater than 50,000 psi, and to methods of making and using the same. | 05-12-2016 |
20160128831 | LOW PROFILE HEART VALVE DELIVERY SYSTEM AND METHOD - A heart valve delivery system includes a low-profile catheter having an outer sheath, the outer sheath having therein a stent and a replacement heart valve. In an unemployed configuration, the stent is located distally to the replacement heart valve. Upon deployment, however, the stent and replacement heart valve are expanded and the replacement heart valve is situated within the stent. | 05-12-2016 |
20160128763 | TISSUE ABLATION PROBES AND METHODS FOR TREATING OSTEOID OSTEOMAS - A method of treating bone tissue (e.g., a tumor, such as an osteoid osteoma) is provided. The method comprises introducing an ablation probe into bone tissue, deploying at least one ablative element transversely from the probe into the bone tissue, and convoying ablation energy from the ablative element(s) to ablate the bone tissue. In one method, the ablative element(s) comprises a pair of ablative elements, in which case, the ablative elements are transversely deployed from the ablation probe in opposite directions. In another method, the ablative element(s) comprises a plurality of ablative elements, in which case, the ablative elements are transversely deployed outward from the ablation probe in a plane. The ablation energy conveyed from the ablative element(s) may have a non-spherical profile, e.g., an elongated profile, to match a non-spherical profile of the bone tissue to be treated. | 05-12-2016 |
20160120675 | RAPID EXCHANGE STENT DELIVERY SYSTEM - Stent delivery systems and methods for making and using stent delivery systems are disclosed. An example stent delivery system may include a guide member having a proximal portion and a distal portion. A stent may be disposed about the distal portion of the guide member. The stent may have a wall having an opening formed therein. A pusher member may be disposed about the guide member and positioned proximal of the stent. A holding filament may be disposed at the opening and may extend to the proximal portion of the guide member. The holding filament may be configured to releasably secure the position of the stent relative to the pusher member. The holding filament may be releasable from the stent independently of movement of the guide member. | 05-05-2016 |
20160120557 | MEDICAL DEVICE FOR REMOVING PARTICLES - The present disclosure is directed to a medical device. Systems and methods are provided for removing particles, stone fragments and/or stone dust from a patient. The medical device described herein may work by positioning within the kidney, a catheter to flush stone dust. The catheter may include a dual lumen tube which provides fluid through one lumen to irrigate a target area and provides suction through a second lumen to carry out the irrigation fluid along with stone dust. This stone dust may be the result of a previously performed stone dusting. The irrigation fluid may be introduced with a pulsed flow. The pulsed flow irrigation may facilitate the removal of small stone fragments. The suction may be applied by a vacuum at to evacuate the target area at a flow rate balanced with the flow rate of the introduction of the irrigation fluid. | 05-05-2016 |
20160114130 | MEDICAL DEVICE INCLUDING A MARKER ELEMENT - During manufacture a marker element is formed over a selected region of a catheter body. A length of heat shrink tubing is disposed over the selected region of the catheter body including the marker element. The catheter assembly is heated causing the heath shrink tubing to constrict in at least a longitudinal direction, forming a mechanical interlock between the marker element and the catheter body at least at one end of the marker element. The heat shrink tubing is later removed. A similar process may be used when bonding a distal tip to a distal end of the catheter body. This process may be used to provide a low profile catheter body even after a marker element has been added. | 04-28-2016 |
20160113799 | SATIATION DEVICES AND METHODS - A device for inducing weight loss in a patient includes a tubular prosthesis self-expandable from a collapsed position in which the prosthesis has a first diameter to an expanded position in which the prosthesis has a second, larger, diameter. In a method for inducing weight loss, the prosthesis is placed in the collapsed position and inserted into a stomach of a patient. The prosthesis is allowed to self-expand from the collapsed position to the expanded position and into contact with the walls of the stomach, where it induces feelings of satiety and/or inhibits modulation of satiety-controlling factors such as Ghrelin. | 04-28-2016 |
20160113674 | CUTTING BALLOON CATHETER AND METHOD FOR BLADE MOUNTING - A cutting balloon catheter and methods for making and using the same. The cutting balloon catheter may include a catheter shaft having a balloon coupled thereto. One or more cutting members or blades may be coupled to the balloon. Manufacturing the cutting balloon catheter may include partially submerging or embedding a cutting member within a joining member and attaching the joining member to a balloon. The cutting member may include one or more slots along its base that can interlock with the joining member. | 04-28-2016 |
20160106433 | FIBERING MANDREL - A mandrel for inserting fibers into an embolic coil is provided. The mandrel generally includes a slot for an embolic coil, an anchoring mechanism, a retaining element, and multiple castellations into which fibers can be inserted. | 04-21-2016 |
20160100749 | ENDOSCOPIC SYSTEM FOR ENHANCED VISUALIZATION - A medical device, configured for insertion into a body, may include an elongate member extending from a proximal end to a distal end, where the distal end may be configured to be positioned inside the body. The medical device may also include an imaging device positioned at the distal end. The medical device may further include a plurality of light sources positioned at the distal end, wherein a characteristic of light delivered through a first light source may be controlled independent of the characteristic of light delivered through a second light source. | 04-14-2016 |
20160096024 | SYSTEMS AND METHODS FOR NEUROSTIMULATION THERAPY - The present disclosure pertains to methods, devices and systems for neurological regulation. The methods, devices and systems described herein are useful, for example, in the treatment of conditions of the bladder such as overactive bladder. | 04-07-2016 |
20160095622 | EXPANDABLE ACCESS SHEALTH - Expandable access sheaths and methods for use thereof are disclosed. The access sheath may have an expandable element and flexible membrane. The access sheath may be configured to move between a non-expanded configuration and an expanded configuration. The access sheath may be biased towards the non-expanded configuration. | 04-07-2016 |
20160095510 | ATTACHMENT DEVICE FOR A URETEROSCOPE - An attachment device for a ureteroscope may include a proximal guide configured to removably connect to a ureteroscope and a distally extending sheath. The sheath may have sufficient rigidity to maintain a generally straight configuration. | 04-07-2016 |
20160089172 | DEVICES AND METHODS FOR APPLYING SUCTION - A medical retrieval device may include a member extending longitudinally between a proximal end and a distal end. The member may include at least one lumen configured to be fluidly coupled to a vacuum source and to receive a medical tool therethrough. The member may be configured to transition between a compressed configuration and an expanded configuration, wherein in the expanded configuration, the distal end may have a larger cross-sectional area than the proximal end. | 03-31-2016 |
20160089170 | INVERTABLE MEDICAL RETRIEVAL DEVICES AND METHODS - A medical retrieval device may include an elongate sheath, a first and a second control wire extending through the sheath, and a basket coupled to a distal end of the first control wire. The retrieval device may additionally include an engaging member coupled to a distal end of the second control wire and the basket. The engaging member may be configured to transform from a constrained configuration within the sheath to an unconstrained configuration outside to the sheath, wherein transforming the engaging member from the unconstrained configuration to the constrained configuration may rotate the basket about an axis perpendicular to a longitudinal axis of the sheath. | 03-31-2016 |
20160089128 | VESSEL PROTECTION MEMBRANE - A medical device assembly may include an elongated guidewire, an elongated flexible tubular membrane disposed about the guidewire, and a percutaneous medical device, wherein the membrane is configured to permit the percutaneous medical device to pass through the lumen. A method of advancing a medical device through a vessel may include advancing an elongated flexible tubular membrane through the vessel to a treatment site, inserting the medical device into the membrane, and advancing the medical device through the membrane while maintaining the membrane in an axially stationary position relative to the vessel. | 03-31-2016 |
20160089127 | MEDICAL RETRIEVAL SYSTEMS AND RELATED METHODS - A medical device may include a stabilizer configured to be coupled to a port of an insertion device. The medical device may further include a shaft configured for telescopic translation within the stabilizer and a grip coupled to the shaft. Further, the medical device may include an actuator coupled to the grip. The actuator may be axially moveable relative to the grip so as to selectively actuate a distal assembly of the medical device. | 03-31-2016 |
20160089014 | MEDICAL DEVICES AND RELATED METHODS OF USE - A medical device may include an insertion portion longitudinally extending between a proximal end and a distal end. The insertion portion may define a channel extending therethrough. The medical device may further include a handle coupled to the proximal end of the insertion portion. The handle may further include an irrigation port in fluid communication with the channel and coupled to a source of irrigation fluid. Additionally, the handle may include an actuator and a pressurizer. Manipulation of the actuator may be configured to actuate the pressurizer to urge irrigation fluid distally through the channel. | 03-31-2016 |
20160089007 | MEDICAL SYSTEMS COMPRISING OPTICAL DEVICES - Described herein are drive systems and methods. One exemplary system includes a tool having a proximal handle and a catheter body. The tool can be mated with a rail and the rail mated with a frame. The connection between the tool and rail and/or the rail and frame can allow relative movement of the tool with respect to the frame, a patient, and/or a point of reference. In one exemplary configuration the handle of the tool rotates around an axis that corresponds to a portion of the catheter body, such that rotational movement of the handle has a minimal impact on longitudinal movement and/or position of a distal end of the tool. | 03-31-2016 |
20160081711 | CUTTING BALLOON CATHETER WITH FLEXIBLE CUTTING BLADES - A cutting balloon catheter including a balloon mounted on a distal portion of a catheter shaft. The balloon includes a cutting member mounted on an exterior surface of the balloon which includes one or more features for providing the cutting member with enhanced flexibility for navigating tortuous anatomy and more closely conforms to the expansion characteristics of the balloon to which the cutting member is mounted. | 03-24-2016 |
20160081687 | METHODS FOR FASTENING TISSUE - Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The endoluminal device includes a tissue fastener, a flexible needle having means for grasping and releasing a portion of the tissue fastener, and a deflector for deflecting and guiding the needle toward the multiple tissue layers. | 03-24-2016 |
20160081533 | SERIALIZATION OF SINGLE-USE ENDOSCOPES - A system, device and method for serializing and authorizing a single use imaging device are provided. In one embodiment, the invention provides a single use imaging device comprising a memory having a stored code that includes a unique serial identifier. In another embodiment, the invention provides a system for authorizing a single use imaging device comprising a single use imaging device with an image of a verification object that includes a serial identifier uniquely associated with the device, a control unit capable of electronically receiving the verification object image, a decoder capable of extracting a serial identifier from the verification object image, a database of authorized serial identifiers, and means for determining if the single use imaging device is authorized. | 03-24-2016 |
20160081532 | ENDOSCOPIC INSTRUMENT HAVING A DEFLECTABLE DISTAL TOOL - Embodiments of the disclosure may include a medical device comprising a flexible elongate member including a longitudinal axis and a tool connected to the elongate member at a pivot axis, wherein the tool may be configured to conduct electricity and deliver a fluid, and wherein the tool may be configured to pivot towards either side of the longitudinal axis relative to the elongate member at the pivot axis. | 03-24-2016 |
20160067040 | VALVE LOCKING MECHANISM - A medical device may include an elongate delivery sheath and a valve replacement implant disposed within a lumen of the delivery sheath, the implant including an anchor member reversibly actuatable between a delivery configuration and a deployed configuration. The implant may include at least one locking element configured to lock the anchor member in the deployed configuration, and at least one actuator element configured to engage the at least one locking element and actuate the anchor member between the delivery configuration and the deployed configuration. The at least one actuator element may include an unlocking member configured to compress a first locking portion of the at least one locking element to unlock the anchor member from the deployed configuration. | 03-10-2016 |
20160066975 | CRYOGENIC BALLOON ABLATION INSTRUMENTS AND SYSTEMS - Cryogenic tissue ablation instruments for treating body tissue include an elongate flexible body with a proximal supply port for coupling with a pressurized coolant (e.g., liquid N | 03-10-2016 |
20160066936 | VESSEL OCCLUDING MATERIAL EXTRACTOR - Methods, devices, and systems for extracting vessel occluding material are provided. An embodiment of a vessel occluding material extractor includes a host structure, a plurality of expandable members, a slide mechanism, and a circumferential member. The host structure has an elongate axis. The expandable members are connected to the host structure arrayed radially around the elongate axis. The slide mechanism is connected to the expandable members and adjacent the host structure, and is slidable in the direction of the elongate axis. The circumferential member is connected to the expandable members between the connection of the slide mechanism and the host structure to the expandable members. | 03-10-2016 |
20160066935 | RETRIEVAL DEVICES AND RELATED METHODS OF USE - According to aspects of the present disclosure, a retrieval device may include a sheath, a first drive member in the sheath, and a second drive member in the sheath. The second drive member may be movable relative to the first drive member. An end effector may be retractable into and extendable out of the sheath. The end effector may include a first proximal end portion coupled to the first drive member, a second proximal end portion coupled to the second drive member, and a plurality of legs extending distally from the first and second proximal end portions to a distal tip of the end effector. All of the legs that extend to the distal tip may be fixed together at the distal tip. | 03-10-2016 |
20160066896 | METHODS, SYSTEMS AND DEVICES FOR CRYOGENIC BIOPSY - Cryogenic biopsy assemblies are described herein that comprise a tissue acquisition device and cryogenic probe. Also disclosed are systems containing such cryogenic biopsy assemblies and methods cryogenic biopsy that employ such cryogenic biopsy assemblies. | 03-10-2016 |
20160058980 | BALLOON CATHETER - Balloon catheters, coil assemblies, and methods for making the same. An example balloon catheter may include a coil assembly. The coil assembly may include a coil, a coating disposed on the coil, and a sheath disposed over the coil and the coating. A guidewire lumen may be defined by the coil assembly. An outer tube disposed over at least a portion of the coil assembly. A balloon may be coupled to the outer tube. An inflation lumen may be defined between the coil assembly and the outer tube. | 03-03-2016 |
20160058918 | LUBRICIOUS ONE-PART HYDROPHILIC COATINGS - A lubricious coating for use on an implantable medical device includes a heterochelic component, a homotelechelic polymer and biocompatible initiator. Methods of forming such lubricious coatings are also provided. | 03-03-2016 |
20160058464 | MUCOSAL RESECTION DEVICE AND RELATED METHODS OF USE - A resection device for resecting tissue from a body. The device includes an elongate member having a proximal end, a distal end, and a lumen extending from the proximal end to the distal end. The device further includes a cap assembly configured
| 03-03-2016 |
20160051798 | MEDICAL DEVICE WITH SUPPORT MEMBER - The invention provides design, material, manufacturing method, and use alternatives for medical devices. An example medical device includes an elongate shaft having a distal region and a coil disposed along the distal region. The coil is formed from a winding member having a first filar region and a second filar region. The winding member has a first cross-sectional diameter along the first filar region, a second cross-sectional diameter different from the first cross-sectional diameter along the second filar region, a first centroid at a first position along the first filar region and a second centroid at a second position along the second filar region. The first centroid and the second centroid are axially-aligned. | 02-25-2016 |
20160051256 | METHODS AND DEVICES FOR FOLDING AND SECURING TISSUE - The present invention relates to devices, and methods for using the devices, to create and secure a tissue fold during an endoluminal medical procedure. The devices and methods may be used for folding and securing, for example, a fundus wall onto an esophagus), all or esophageal tissue in the region of the lower esophageal sphincter (LES) to reduce the diameter of the esophagus opening in that region. One aspect of the invention includes forming the tissue fold by closing a grasping arm that is pivotably connected to an overtube that has been positioned at the juncture of the fundus wall and esophagus wall. A further aspect of the invention includes tissue clips configured to be inserted and positioned through an endoluminal device. | 02-25-2016 |
20160045729 | APPARATUS FOR TREATING PELVIC FLOOR DISORDERS AND RELATED METHODS OF USE - A method of optimizing the electrical stimulation of a bladder of a patient including selecting a first subset of electrodes from a set of electrodes positioned adjacent to a set of nerves associated with the bladder. The set of electrodes may include one or more electrodes, each of which may be configured to deliver electrical stimulation pulses generated by a stimulator device to the nerves. The method may further include delivering an electrical stimulation pulse through the selected first subset of electrodes and recording at least one parameter of the electrical stimulation pulse after receiving patient feedback. | 02-18-2016 |
20160045306 | CUT PATTERN TRANSCATHETER VALVE FRAME - A transcatheter valve frame comprising a valve frame comprising an elongate tubular member having a longitudinal axis and a circumference, the elongate tubular member comprising a plurality of struts interconnected by peaks and valleys that define a closed cell construction comprising a plurality of interconnected cells, the valve frame is formed from a single piece of material comprising a metal or metal alloy, the valve frame having a diameter that increases upon axial compression and the valve frame comprising a locking mechanism integral with the valve frame configured to fix the diameter of the valve frame. | 02-18-2016 |
20160045208 | KIDNEY STONE SUCTION DEVICE - A method of using a suction device to remove an object from a subject's body includes extending a suction device into the body through a lumen of a medical device and expanding the suction head from a contracted configuration to an expanded configuration within the body. The suction head may be provided at a distal end of an elongate conduit. The method may also include applying suction to move the object into the expanded suction head, and removing the suction device with the object from the body. | 02-18-2016 |
20160045096 | ELONGATE MEDICAL DEVICE WITH ARTICULATING PORTION - An articulating portion for an elongate medical device is disclosed. The articulating portion may include a plurality of segments movable relative to one another, and a plurality of hinges disposed between adjacent segments. The segments can be configured to bend at the hinges upon manipulation of a control member of the device. The segments and the hinges can also be a single continuous piece of material. | 02-18-2016 |
20160038173 | SNARE WITH LOOP MADE OF HEAT SHRINKABLE SHAPE MEMORY MATERIAL AND METHOD OF USE THEREOF - A tissue snare comprises an elongated member having a distal end and a loop formed of a shape memory material, the loop including a tissue receiving interior opening and being connected to the distal end of the elongated member, properties of the shape memory material being selected so that, when a temperature of the loop exceeds a critical temperature thereof, the loop constricts from an expanded state to a constricted state. A method of treating tissue comprises placing a loop of a snare around a portion of tissue to be treated while the loop is in an expanded configuration, the loop being formed of a shape memory material having a critical temperature so that, when a temperature of the loop is above the critical temperature, the loop transitions from the expanded configuration to a constricted configuration in combination with transitioning, after the loop has been placed around the portion of tissue to be treated, the loop from the expanded configuration to the constricted configuration to tighten the loop around the portion of tissue to be treated. | 02-11-2016 |
20160038163 | THROMBECTOMY CATHETER DEPLOYMENT SYSTEM - A thrombectomy catheter deployment for operation of a thrombectomy catheter may include a stand alone drive unit and a disposable pump/catheter assembly which is manually placed into a carriage assembly in the drive unit. The pump/catheter assembly may have a plurality of preconnected components including a tubular structure and a thrombectomy catheter connected thereto. A barcode reader may sense specific operational data pertaining to an individual pump and may provide an interface for operation of the reciprocating linear actuator. | 02-11-2016 |
20160038133 | MEDICAL DEVICES AND RELATED METHODS OF USE - A tissue retractor for attachment to an elongate member of a medical device. The tissue retractor includes a cap having a central longitudinal axis. The cap includes an attachment section adapted to attach to a distal end of the elongate member. The cap further includes a moveable component pivotally attached to the attachment section at one or more pivot points, and an actuator connected to the moveable component to transition the moveable component across the central longitudinal axis from an insertion state to an actuated state. | 02-11-2016 |
20160030107 | BLADDER TREATMENT BY ABLATIVE DENERVATION - In one aspect, the present disclosure is directed to methods of treating various conditions including bladder conditions in a patient, comprising: positioning at least one ablative element of an ablative device on or over an adventitial surface of the bladder; and using the ablative device to denervate bladder nerve fibers. Other aspects of the present disclosure pertain, for example, to devices and kits for of treating bladder conditions. | 02-04-2016 |
20160029961 | PRESSURE SENSING GUIDEWIRES - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a medical device for measuring blood pressure. The medical device may include an elongated shaft having a proximal region and a distal region. An optical fiber may extend along the proximal region. An optical pressure sensor may be coupled to the optical fiber. The optical pressure sensor may be disposed along the distal region. A centering member may be coupled to the optical fiber and positioned adjacent to the optical pressure sensor. | 02-04-2016 |
20160022880 | HEMOSTATIC COMPOSITIONS AND METHODS OF MAKING AND USING SAME - The disclosure pertains to hemostatic compositions comprising a plurality of nonwoven fibers disposed in a rapidly soluble solid matrix and methods of making and using the same. The compositions may also comprise one or more therapeutic agents. | 01-28-2016 |
20160022464 | POSITIONING TOOLS AND METHODS FOR IMPLANTING MEDICAL DEVICES - Described herein is a positioning tool having an elongate portion for carrying a medical implant. Also described is a method of positioning a medical implant using an elongate positioning tool. One form of the method includes positioning a medical implant on a distal portion of an elongate positioning tool, inserting the positioning tool with the implant thereon into a body cavity manipulating the positioning tool to position the implant into contact with tissue at an attachment location, attaching the implant to surrounding tissue at the attachment location, separating the implant from the positioning tool, and withdrawing the positioning tool from the body. In a preferred embodiment, the position of the implant is visually confirmed using an endoscope before the implant is attached to surrounding tissue. In one embodiment, the implant is a satiation device and the body cavity is the esophagus and/or stomach. In an alternative embodiment, an expansion structure on the distal end of the elongate portion expands and/or contracts the medical implant to facilitate positioning. | 01-28-2016 |
20160022421 | VENOUS VALVE, SYSTEM, AND METHOD WITH SINUS POCKET - A valve with a frame and valve leaflets that provide a sinus pocket. The valve provides for unidirectional flow of a liquid through the valve. | 01-28-2016 |
20160022418 | EVERTING HEART VALVE - The present invention provides methods and apparatus for endovascularly replacing a patient's heart valve. The apparatus includes a replacement valve and an expandable anchor configured for endovascular delivery to a vicinity of the patient's heart valve. In some embodiments, the replacement valve is adapted to wrap about the anchor, for example, by everting during endovascular deployment. In some embodiments, the replacement valve is not connected to expandable portions of the anchor. In some embodiments, the anchor is configured for active foreshortening during endovascular deployment. In some embodiments, the anchor includes expandable lip and skirt regions for engaging the patient's heart valve during deployment. In some embodiments, the anchor comprises a braid fabricated from a single strand of wire. In some embodiments, the apparatus includes a lock configured to maintain anchor expansion. The invention also includes methods for endovascularly replacing a patient's heart valve. In some embodiments, the method includes the steps of endovascularly delivering a replacement valve and an expandable anchor to a vicinity of the heart valve, wrapping at least a portion of the replacement valve about the anchor, and expanding the anchor to a deployed, configuration. | 01-28-2016 |
20160022353 | MULTIPLE LEAD ELECTRODE PROBE FOR CONTROLLED TISSUE ABLATION - Tissue regions are treated using a multiple lead electrode probe. A plurality of electrodes may be disposed about an elongate shaft. The elongate shaft may be slidably disposed within a lumen of a delivery sheath. One or more probes including one or more electrically active regions may also be slidably disposed within the delivery sheath. The one or more probes may be configured to extend radially about the elongate shaft. The plurality of electrodes and the electrically active regions may be individually connected to a control and power unit through individual channels. | 01-28-2016 |
20160022307 | ROTATABLE MEDICAL DEVICE - A rotational atherectomy device including a drive shaft rotatably extending through an outer tubular member to rotate a cutting member positioned at a distal end thereof. The rotational atherectomy device further includes an elongate penetrator extendable distal of the cutting member a predetermined maximum distance and configured to stabilize the cutting member as the cutting member engages an occlusion to control the trajectory and advancement of the cutting member through the occlusion. | 01-28-2016 |
20160022270 | EXPANDABLE VASO-OCCLUSIVE DEVICES HAVING SHAPE MEMORY AND METHODS OF USING THE SAME - In some aspects, the present disclosure is directed to vaso-occlusive devices comprise a device portion and one or more expandable components which comprise a shape memory material and which expand laterally outward from the device portion upon being subjected to an activating stimulus. Other aspects of the disclosure pertain to systems containing such devices and methods of forming vascular occlusions using such devices. | 01-28-2016 |
20160001067 | ELECTRICAL STIMULATION DEVICES AND RELATED METHODS - Embodiments of the present disclosure include medical apparatus, and related methods thereof. The apparatus may include a longitudinally extending lead, at least one electrode, an anchor component, and a control module. The lead may include a distal end and a proximal end. The at least one electrode may be coupled to the lead, wherein the at least one electrode may be disposed on the distal end of the lead. The anchor component may be disposed in the lead proximate of the at least one electrode. The anchor component may include solder. The control module may be operably coupled to the proximal end of the lead and may be configured to deliver energy to the at least one electrode. | 01-07-2016 |
20160000451 | MEDICAL RETRIEVAL DEVICES - A medical retrieval device of an embodiment of the present disclosure includes a proximal handle, a sheath, and a retrieval assembly. The sheath extends from the handle and includes a lumen and a distal end opposite the handle. The retrieval assembly is moveable relative to the sheath to achieve a collapsed position of the retrieval assembly within the lumen and an expanded position of the retrieval assembly when extended outside the lumen. The retrieval assembly includes a plurality of legs. At least one of the legs includes a wire having an inner core at least partially surrounded by an outer layer. | 01-07-2016 |
20160000304 | STEERING SYSTEM WITH LOCKING MECHANISM - A steerable device, such as a steerable catheter, may include a control handle and an insertion shaft extending outwardly therefrom. In use, the insertion shaft is navigated to an area of interest for examination and/or treatment thereof. The steerable device may include a steering system that controls the deflection angle of the distal end of the insertion shaft in two or more non-planar directions for navigating the insertion shaft to the area of interest. The steering system may also include a locking mechanism for arresting or partially arresting the movement of the distal end of the insertion shaft in a first direction independent of arresting or partially arresting the movement of the distal end in a second non-planar direction. | 01-07-2016 |
20150374958 | HIGH PRESSURE BALLOON - Composite fiber reinforced balloons for medical devices are prepared by applying a web of fibers to the exterior of a preformed underlayer balloon, encasing the web with a matrix material to form an assembly, and inserting the assembly into a preformed outer layer balloon to form the composite balloon. | 12-31-2015 |
20150374516 | COMPOSITIONS, DEVICES, KITS AND METHODS FOR ATTACHING STENT-CONTAINING MEDICAL DEVICES TO TISSUE - The present disclosure is directed to methods, compositions, devices and kits which pertain to the attachment of stent-containing medical devices to tissue. | 12-31-2015 |
20150366608 | MEDICAL DEVICE FOR SYMPATHETIC NERVE ABLATION WITH PRINTED COMPONENTS - A medical device for sympathetic nerve ablation may include an elongate shaft and an expandable member. A printed ablation electrode assembly may be disposed on an outer surface of the expandable member, the printed ablation electrode assembly including a positive electrical pathway and a ground electrical pathway printed directly on the outer surface of the expandable member. A temperature sensor may be printed directly on the outer surface of the expandable member. A method of manufacturing a medical device for sympathetic nerve ablation may include printing a conductive ink network directly on a surface of a polymeric balloon material in a flat configuration, printing at least one temperature sensor directly on the surface of the polymeric balloon material, forming the polymeric balloon material into an inflatable balloon, and attaching the inflatable balloon to an elongate catheter shaft. | 12-24-2015 |
20150359997 | DIRECT CONNECT FLUSH SYSTEM - A medical device may include a handle housing having a side wall defining an interior space and proximal and distal apertures extending through the side wall, an elongated outer sheath, an elongated inner member, a proximal flush port disposed within the interior space and in fluid communication with the elongated inner member, and a distal flush port disposed within the interior space and in fluid communication with the elongated outer sheath. A control knob may be rotated to move the distal flush port within the interior space. | 12-17-2015 |
20150359445 | PRESSURE-SENSING GUIDEWIRE AND SHEATH - A pressure sensing device is provided that can monitor and measure pressure at two points in a vessel or artery without moving the outer sheath or catheter of the device. The outer sheath or catheter includes two spaced apart openings that may be positioned in a vessel or artery on opposing sides of an occlusion. The device also includes an inner elongated tube with at least one opening. The inner elongated tube is slidable with respect to the outer sheath or catheter thereby permitting the opening of the elongated tube to be moved into selective registration with one of the openings of the outer sheath. A pressure measurement may be taken through one of the openings in the outer sheath by aligning the opening of the elongated tube with said opening and, then, a second pressure reading may be taken by sliding the elongated tube within the outer sheath so that the opening of the elongated tube is in registry with the other opening of the tubular sheath. As a result, pressure measurements at two points in a vessel or artery may be taken without moving the outer sheath or catheter. | 12-17-2015 |
20150359417 | ARTICULATING TORQUEABLE HOLLOW DEVICE - An articulating mechanism for use in a medical device, such as an endoscope or a catheter, includes a series of stacked links disposed adjacent to one another and movable with respect to each other. Each link includes a front face tapered to a pair of pivot points and a rear face defining a wedge shaped recess for receiving the pivot points of the adjacent link. Pull-wires provide tension and hold the staked links together while also allowing for controlled bending of the distal portion by movement of one or more of the pull-wires. | 12-17-2015 |
20150352330 | DELIVER ASSIST DEVICE FOR GUIDE CATHETER - A deliver assist device for use in combination with a guide catheter includes an elongate proximal shaft and a flexible distal section that extends distally from the elongate proximal shaft. The flexible distal section includes at least a first portion having a first flexibility and a second portion having a second flexibility. A lumen configured to accommodate a guidewire extending therethrough extends through the flexible distal section. A tapered distal tip extends distally from the flexible distal section. | 12-10-2015 |
20150352146 | MULTI-COMPONENT PARTICLES FOR INJECTION AND PROCESSES FOR FORMING THE SAME - In accordance with one aspect of the invention, novel compositions containing injectable particles are provided in which the injectable particles contain at least two polymeric components that differ in composition from one another (e.g., because at least one polymeric component contains a polymer that is not present in another polymeric component). | 12-10-2015 |
20150351767 | METHODS, COMPOSITIONS, DEVICES AND KITS FOR ANASTOMOSES - The present disclosure is directed to methods, compositions, devices and kits which pertain to the attachment of one body conduit portion to another body conduit portion by application of an energy source to body conduit portions in the presence of a bonding material. | 12-10-2015 |
20150351652 | ELECTRODE ASSEMBLY - An expandable electrode assembly for use in a cardiac mapping procedure includes multiple bipolar electrode pairs including a first electrode located on an outer surface and a second electrode located on an inner surface of the individual splines forming the expandable electrode assembly. Such an electrode arrangement may produce improved electrical activation signals which may be used to produce a more accurate map of the electrical activity of a patient's heart. | 12-10-2015 |
20150351644 | PRESSURE SENSING GUIDEWIRE SYSTEMS WITH REDUCED PRESSURE OFFSETS - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a medical device for measuring blood pressure. The medical device may include an elongated shaft having a proximal region and a distal region. An optical fiber may extend along the proximal region. An optical pressure sensor may be coupled to the optical fiber. The medical device may also include a tubular member having a proximal end disposed adjacent to the optical pressure sensor and a distal portion extending along the distal region of the shaft. | 12-10-2015 |
20150343169 | DEVICES AND METHODS FOR LUNG VOLUME REDUCTION - Methods and devices for treating a lung are disclosed. The method may include deploying a catheter into a blood vessel directing blood towards a portion of the lung, and discharging a media into the blood vessel through the catheter, the media may be configured to at least partially block the flow of blood within the portion of the lung. | 12-03-2015 |
20150343139 | IMPLANTABLE PUMPS AND RELATED METHODS OF USE - A medical device may include a pump configured to dispense an agent for treating a condition of a lung. The pump may be configured to be implanted subcutaneously into a patient. The medical device may also include a treatment device coupled to the pump and configured to deliver the agent to the lung. | 12-03-2015 |
20150343118 | CONTROLLED DRUG DELIVERY - A medical device for placement in a body of a mammal is provided. The medical device comprises (1) a polymeric matrix forming the device and defining a lumen through the device, the matrix comprising polymer macromolecules and defining spaces between the polymer macromolecules; (2) a drug contained within at least some of the spaces of the matrix; and (3) a material contained within at least some of the spaces of the matrix to affect diffusion of the drug out of the polymeric matrix when the medical device is placed in the boy of the mammal. | 12-03-2015 |
20150342760 | ANTI-MIGRATION STENT - Embodiments of the disclosure relate to devices, systems and methods of use and manufacture. One such device is a stent. The stent includes a stent body and a coating over at least a portion of the stent body. The coating includes a shape memory polymer having an outer surface. The outer surface defines a first configuration and a second configuration. In the first configuration the outer surface is smooth. In the second configuration, the outer surface includes a micro pattern. | 12-03-2015 |
20150342718 | EXPANDING DISTAL SHEATH WITH COMBINED EMBOLIC PROTECTION - A medical device may include an elongate shaft having a distal end portion and a balloon disposed at least partially within the distal end portion. The distal end portion may be configured to selectively expand from a collapsed delivery configuration to a distally-opening expanded filtering configuration. A method of deploying a medical device may include obtaining an elongate shaft having a distal end portion and a balloon disposed at least partially within the distal end portion, advancing the elongate shaft through a vessel to a treatment site, disposing at least a portion of the balloon within the treatment site with the distal end of the elongate shaft positioned adjacent the treatment site, at least partially inflating the balloon, thereby expanding the distal end portion, and deflating the balloon and subsequently performing a procedure with the distal end of the elongate shaft positioned within the vessel adjacent to the treatment site. | 12-03-2015 |
20150342673 | NERVE MODULATION DEVICES WITH COOLING CAPABILITIES - Medical devices and methods and making and using medical devices are disclosed. An example medical device may include an elongate shaft having a distal region. An expandable member may be coupled to the distal region. The expandable member may be capable of shifting between a first configuration and an expanded configuration. The expandable member may have a distal portion, a proximal portion, and a body portion disposed between the distal portion and the proximal portion. The body portion may have a projection formed therein that projects radially outward from the body portion. A flexible electrode assembly may be coupled to the projection. | 12-03-2015 |
20150342672 | DOUBLE MICRO-ELECTRODE CATHETER - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter for use in cardiac mapping and/or ablation. The catheter may include an elongate catheter shaft having a distal ablation electrode region capable of ablating tissue. A plurality of micro-electrode assemblies may be coupled to the distal ablation electrode region. At least one of the micro-electrode assemblies may include an inner electrode and an outer electrode disposed at least partially around the inner electrode. At least one of the inner electrode and the outer electrode may comprise a sensor. | 12-03-2015 |
20150342669 | DEVICES AND METHODS FOR CONTROLLED ENERGY DELIVERY TO AIRWAYS - In one embodiment, a device for delivering energy to tissue within a patient may include an elongate member having a proximal end and a distal end, an expandable energy delivery assembly extending from the distal end of the elongate member, wherein the expandable energy delivery assembly includes a plurality of legs, wherein at least one of the legs includes an electrode and defines a passageway adjacent to the electrode, and wherein the passageway is configured to receive a fluid. | 12-03-2015 |
20150342536 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. A method for removing an artifact of a biological reference signal present in a biological source signal may comprise sensing a biological reference signal with one or more electrodes and sensing a biological source signal, wherein the biological source signal comprises an artifact of the biological reference signal. The method may further comprise determining, based on the biological reference signal, the artifact of the biological reference signal and subtracting the artifact of the biological reference signal from the sensed biological source signal. | 12-03-2015 |
20150342491 | ELECTRODE ASSEMBLY HAVING AN ATRAUMATIC DISTAL TIP - A catheter including expandable electrode assembly having a distal cap that mechanically engages a locking feature provided on the distal ends of each of two or more flexible splines forming a portion of the expandable electrode assembly is described. The distal cap defines an atraumatic distal tip of the catheter. The catheter may be used in a cardiac mapping and/or ablation procedure. | 12-03-2015 |
20150342488 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. An example method may include a method of identifying an activation time in a cardiac electrical signal. The method may include sensing a cardiac electrical signal, generating an approximation signal based at least in part on one or more parameters of the cardiac electrical signal, identifying a fiducial point on the approximation signal and determining, based at least in part on a timing of the fiducial point in the approximation signal, an activation time in the cardiac electrical signal. | 12-03-2015 |
20150335423 | APPARATUS FOR REPLACING A NATIVE HEART VALVE AND METHOD OF MAKING THE SAME - An apparatus for replacement a native heart valve is herein provided. The apparatus includes a replacement heart valve, an expandable anchor, and a plurality of rivets. The expandable anchor comprises a woven braid structure that surrounds at least a portion of the replacement heart valve and has a plurality of braid intersections. At least some of the braid intersections have rivets extending therethrough. | 11-26-2015 |
20150335393 | TISSUE EXTRACTION DEVICES AND RELATED METHODS - A marking device may include a body. The body may be configured to transition between a closed configuration and an open configuration. The body may further include two arms. A distal end of each arm may be coupled to a distal end of the body. The marking device may further include a suture coupled to the body. Application of a force on a proximal end of each arm may be configured to cause the body to transition between the closed configuration and the open configuration. | 11-26-2015 |
20150335321 | DEPLOYMENT SYSTEM INCORPORATING APPLICATION OF ADHESIVE - The present disclosure is directed to a delivery catheter with a mechanism of discharging an adhesive during and/or immediately prior to deployment of the medical device by the delivery catheter. | 11-26-2015 |
20150328441 | High Pressure Low Cost Multilayer Balloon Catheter - A multilayer shaft with integral balloon and a total length of at least 70 cm. | 11-19-2015 |
20150327878 | RETRIEVAL DEVICES AND RELATED METHODS OF USE - A retrieval device may include a sheath including a distal end and a proximal end, and an end effector at the distal end. At least a portion of the end effector may be movable relative to the sheath between extended and retracted states. The end effector may include a support member extending from the distal end of the sheath, and a movable member extending from the distal end of the support member. The device may include a handle assembly at the proximal end of the sheath, having an actuation member for transitioning the end effector between the extended and retracted states. The device may include a biasing member coupled to at least one of the actuation member and the sheath that may control a force, exerted by one of the movable members and the support member on the other, generated by relative movement between the movable and support members. | 11-19-2015 |
20150320580 | SATIATION DEVICES AND METHODS - A device for inducing weight loss in a patient includes a tubular prosthesis self-expandable from a collapsed position in which the prosthesis has a first diameter to an expanded position in which the prosthesis has a second, larger, diameter. In a method for inducing weight loss, the prosthesis is placed in the collapsed position and inserted into a stomach of a patient. The prosthesis is allowed to self-expand from the collapsed position to the expanded position and into contact with the walls of the stomach, where it induces feelings of satiety and/or inhibits modulation of satiety-controlling factors such as Ghrelin. | 11-12-2015 |
20150320557 | REDUCED PROFILE VALVE WITH LOCKING ELEMENTS - An apparatus for endovascularly replacing a patient's heart valve comprises an anchor having an outer surface and an inner surface. The anchor is expandable from a collapsed delivery configuration to a fully deployed configuration. A first locking element and a second locking element are attached to the inner surface of the anchor. The first locking element is engageable with the second locking element. At least one of the first locking element and the second locking element has a curved outer surface. Methods for attaching the second locking element to the anchor are also provided. | 11-12-2015 |
20150306360 | Rotational Localized Drug Delivery Device - A drug delivery device that uses centrifugal force to deliver a drug to a body lumen wall. The drug delivery device comprises an impeller that includes an impeller shaft; an impeller head at the distal end of the impeller shaft; a drug lumen; an impeller housing; and a housing shaft attached to the impeller housing. In use, the drug is advanced along the drug lumen to the impeller head; at least the impeller head is rotated so that when drug exits the drug lumen, the centrifugal force of the rotating impeller causes the drug to move radially outward from the drug delivery device, towards and into the body lumen wall. | 10-29-2015 |
20150305768 | TISSUE EXTRACTION DEVICES AND RELATED METHODS - According to one aspect, a medical device may include a luminal element configured for insertion into a natural body lumen. The medical device may further include a tool configured to be received within the luminal element. The tool may include a plurality of operating members. Each of the operating members may include an elongate member and a cutting member. The cutting member may be located at a distal end of the elongate member. Further, the cutting member of a first operating member of the plurality of operating members may be rotatable with respect to the cutting member of a second operating member of the plurality of operating members. | 10-29-2015 |
20150305596 | STEERABLE MEDICAL DEVICE HAVING AN IMAGING SYSTEM - Embodiments of the disclosure may include a medical device comprising an elongate member and a handle assembly connected to the elongate member. The handle housing may house a steering mechanism movable relative to the handle assembly and configured to steer the elongate member along a first plane and a second plane different from the first plane, a camera system configured to capture images from a distal end of the elongate member, and an illumination system configured to provide illuminating light from the distal end of the elongate member. | 10-29-2015 |
20150301288 | SELF-CLEANING OPTICAL CONNECTOR - An example medical device system includes a reusable connector cable having a female adaptor and a first fiber optic cable disposed within the reusable connector cable. A single use device is capable of connecting to the reusable connector cable and includes a male adaptor capable of mating with the female adaptor. A second fiber optic cable extends through the single use device such that the second fiber optic cable optically connects to the first fiber optic cable when the male adaptor of the single use device is disposed within the female adaptor of the reusable connector cable. A cleaning assembly is disposed within the single use device and is capable of cleaning an end of the first fiber optic cable when the male adaptor of the single use device is mated with the female adaptor of the reusable connector cable. | 10-22-2015 |
20150301096 | ELECTRONIC DEVICES AND METHODS FOR ADDRESSING EXTERNAL ELECTROMAGNETIC FIELDS - An electronic device may include a shaft insertable into a target area, and an electronic component configured to generate a signal. The electronic component may be on or within the shaft. The electronic device may also include at least one antenna on or within the shaft. The electronic device may also include a receiver operatively coupled to the antenna. The receiver may monitor an electrical characteristic of the antenna to identify an effect of an electromagnetic field on the electrical characteristic of the antenna. The electronic device may also include a processor communicatively coupled to the receiver. At least one of the receiver and the processor may predict an effect of the electromagnetic field on the signal generated by the electronic component, based at least in part on the effect of the electromagnetic field on the electrical characteristic of the antenna. | 10-22-2015 |
20150297763 | DEVICES AND METHODS FOR THERAPEUTIC HEAT TREATMENT - A microparticle includes a plurality of magnetic nanoparticles having a Curie temperature between 40° and 100° C. The microparticle further includes a biocompatible polymer and/or biocompatible ceramic and a plurality of radiopaque nanoparticles. | 10-22-2015 |
20150297399 | APPARATUS AND METHOD FOR TREATING THE INSIDE OF AN EYE - In one embodiment, an apparatus includes a first body having a proximal end and a distal end and defining a lumen, and a second body defining a second lumen. The first body is disposed within the lumen of the second body. The lumen of the first body is configured to receive a medical device for performing a medical procedure within at least a portion of an eye. The second body includes a sharpened distal end configured to penetrate a surface of the eye. A plurality of illumination fibers is disposed between the first body and the second body. In some embodiments, the lumen of the first body and the lumen of the second body are coaxial. In some embodiments, the sharpened distal end includes an angled surface. | 10-22-2015 |
20150297382 | Apparatus For Reducing Deployment Forces In A Self-Expanding Stent Delivery System - A stent delivery catheter comprising at least one catheter shaft, the catheter shaft having an inner surface and an outer surface and a distal end and a proximal end, the catheter shaft defining a guidewire lumen, the guidewire lumen comprising a diameter defined by the inner surface of the catheter shaft, a stent disposed within the distal end of the catheter shaft and in contact with the inner surface of the catheter shaft, and a stylet disposed within the distal end of the catheter shaft, the stylet comprising a wave geometry. | 10-22-2015 |
20150297292 | DEVICES AND METHODS FOR THERAPEUTIC HEAT TREATMENT - Methods and devices (e.g., for nerve modulation) may include at least one thermistor and a balloon having a balloon wall. In one or more embodiments, the medical device is configured and arranged to transfer heat to the medical device surroundings. In one or more embodiments, the at least one thermistor is a portion of a thermistor array disposed on the balloon wall, the thermistor array including a plurality of thermistors and operatively engaged with a source of electric current. In one or more embodiments, the device includes at least one flexible circuit mounted on the outer surface of the expandable balloon, the at least one flexible circuit including at least one temperature-sensing device that includes at least one thermistor, wherein at least a portion of a conductive layer is electronically coupled to the thermistor, with the proviso that no electrode is associated with the conductive layer. | 10-22-2015 |
20150297281 | MEDICAL DEVICES FOR THERAPEUTIC HEAT TREATMENTS - An expandable balloon catheter having an elongate shaft having a distal end region and an expandable balloon coupled to the distal end region of the elongate shaft is disclosed. One or more cutting members are attached to the expandable balloon, wherein at least a portion of each of the one or more cutting members comprises a Curie material having a Curie temperature between 60° and 400° Celsius. | 10-22-2015 |
20150290423 | CATHETERS AND CATHETER SHAFTS - A medical device may include an elongated shaft. The elongated shaft may further include a reinforcement member having a first portion and a second portion. The first portion may include a polymer having a first degree of crystallinity. The second portion may include a second degree of crystallinity different than the polymer of the first portion. | 10-15-2015 |
20150282960 | MEDICAL DEVICES AND RELATED METHODS OF USE THEREOF - A stent has a braided wire body formed from at least a first wire and a second wire. The first wire has a first cross-sectional area and the second wire has a second cross-sectional area different from the first cross-sectional area. The proximal end of the braided wire body has a plurality of peaks, the peaks including first peaks and first loop ends. The first loop ends alternate circumferentially with the first peaks and the first loop ends extend proximally beyond the first peaks. | 10-08-2015 |
20150282955 | Covered Endoscopic Stents with Adhesion Elements - An endoprosthesis includes a stent having an inner surface defining a lumen and an outer surface; and a polymeric cover on the outer surface of the stent. The polymeric cover includes a base and adhesion elements. When the endoprosthesis is expanded to the expanded state in a lumen defined by a vessel wall, the adhesion elements create an interlock between the vessel wall and the endoprosthesis. | 10-08-2015 |
20150282922 | PARTIALLY COATED STENTS - A medical product comprises a biodegradable filament and a non-biodegradeable coating. The biodegradable filament forms a stent body having a first end portion, a middle portion, and a second end portion opposite the first end portion. The middle portion extends between the first and second end portions. The non-biodegradeable coating encapsulates the at least one biodegradable filament along the middle portion of the stent body. The non-biodegradeable coating forms a barrier such that the non-biodegradeable coating prevents degradation of the at least one biodegradable filament along the middle portion. The first and second end portions are uncoated. After implantation, the end portions of the stent may biodegrade. The middle portion will not biodegrade due to its encapsulation by the non-biodegradeable coating. | 10-08-2015 |
20150282859 | BALLOON CATHETER WITH FLEXIBLE ELECTRODE ASSEMBLIES - In some implementations, a method of ablating body tissue includes (a) locating an inflatable balloon portion of a cryotherapy balloon catheter at a treatment site internal to a patient's body, and inflating the inflatable balloon portion; (b) employing electrodes that are disposed on an expandable surface of the inflatable balloon portion to electrically characterize body tissue at the treatment site; (c) ablating the body tissue by supplying a cryotherapy agent to the inflatable balloon portion to cool the body tissue to a therapeutic temperature; (d) employing the electrodes to determine whether the ablating caused desired electrical changes in the body tissue; and (e) repeating (c) and (d) when it is determined that the ablating did not cause the desired electrical changes. | 10-08-2015 |
20150282701 | MEDICAL SYSTEM AND RELATED METHODS FOR DIAGNOSIS AND TREATMENT - According to aspects of the present disclosure, a medical device may include a tubular member. The medical device may also include a handle assembly connected to the tubular member. The handle assembly may include a handle housing, and an illumination assembly. The illumination assembly may include an illumination unit housed within an interior of the handle housing. The illumination assembly may also include an illumination fiber operatively coupled to the illumination unit. The illumination unit may extend through the interior of the handle housing into an interior of the tubular member. The illumination unit may also include a heat sink coupled to the illumination unit. The heat sink may be configured to receive heat from the illumination unit, and dissipate the heat away from the illumination unit. | 10-08-2015 |
20150273156 | DEVICES FOR SYSTEMIC DRUG DELIVERY AND RELATED METHODS OF USE - A method of treating a disease of the lung may include inserting an implant into the circulatory system. The implant may include an agent configured to be released into the circulatory system over time to deliver the agent to the lungs. The agent may be configured to treat a disease of the lung. | 10-01-2015 |
20150272763 | RESTRICTIVE AND/OR OBSTRUCTIVE IMPLANT FOR INDUCING WEIGHT LOSS - Described herein is a system for inducing weight loss in a patient, which comprises an extragastric space occupier positionable in contact with an exterior surface of a stomach wall to form an inward protrusion of wall into the stomach, and a retention device positionable in contact with the wall to retain the inward protrusion and to thereby capture the extragastric space occupier within the protrusion. | 10-01-2015 |
20150272760 | Apparatuses For Manipulating Medical Devices And Related Methods For Use - Apparatuses for manipulating a collapsible medical device include a sheath, a first shaft including a first grasping member and a second grasping member. The second grasping member is separated from the first grasping member by a distance. The collapsible medical device may be manipulated by actuating the first grasping member and the second grasping member and by increasing the distance between the first grasping member and the second grasping member. Methods of using the apparatuses are provided. | 10-01-2015 |
20150272718 | DEVICES FOR FORMING COLLATERAL CHANNELS AND RELATED METHODS OF USE - A method for treating a lung may include forming a channel between a first airway and a second airway through a tissue of the lung to allow air trapped within the first airway to flow through the channel and the second airway, and inserting a support member into the channel. | 10-01-2015 |
20150272591 | DEVICES AND METHODS FOR MODIFYING A VOLUME OF A CAVITY - Exemplary embodiments of a method for assisting breathing in a lung having damaged tissue are disclosed. The method may include inserting an implant containing a dilatant fluid into a pleural cavity of a patient to reduce an inhalation volume of the lung. Additional embodiments may include an implant configured to apply a force toward a portion of a lung. A controller may be coupled to the implant and configured to sense a biological event and control an amount of outwardly directed force applied by the implant to the lung in response to the biological event. Further, a method may include applying a force to an organ via an implant to expel material from the organ and adjusting the implant so as to transition between a first configuration and a second configuration. The implant may include at least one of an electro-active material and a pressure sensitive material. | 10-01-2015 |
20150272558 | DEVICES, METHODS AND KITS FOR TISSUE APPROXIMATION - The present disclosure pertain to methods of tissue approximation of a tissue opening in a tissue wall of a body lumen. The method comprises pushing a suitable device through the tissue wall near at least one edge of the opening and pulling opposing edges of the tissue opening nearer to one another or into contact with one another. Also described are devices and kits that are useful for approximation of a tissue opening in a tissue wall of a body lumen. | 10-01-2015 |
20150265814 | DEVICES AND METHODS FOR CONTROLLING DIETARY LIPID UPTAKE - Methods and devices for redirecting at least a portion of a fluid from the mesenteric lymphatic system for elimination from the body are disclosed. The fluid may be redirected for elimination through the urinary system, through the gastrointestinal system, or redirected outside the body. The device may include a valve to control a flow of the fluid. The methods and devices disclosed may prevent a portion of a patient's dietary lipids, including cholesterol, from being metabolized and absorbed, thereby reducing the total caloric load to assist in weight management and/or for prevention/treatment of atherosclerosis. | 09-24-2015 |
20150265445 | SELF-EXPANDING STENT DELIVERY SYSTEM - Systems for the delivery of endoluminal devices are disclosed. An illustrative system may include a delivery sheath having an inner sheath and an outer sheath. The delivery sheath may be configured to restrain a stent in a compressed delivery configuration. The outer sheath may cover the entire length of the stent and the inner sheath may cover a portion of the length of the stent. | 09-24-2015 |
20150265441 | STENT WITH NON-ROUND CROSS-SECTION IN AN UNEXPANDED STATE - A stent has a circumference and a plurality of members that define a lumen. The stent has three stable states, which include an unexpanded state, a partially deployed state, and a deployed state. The lumen has a first cross-sectional shape in the unexpanded state, a second cross-sectional shape in the partially deployed state and a third cross-sectional shape in the deployed state. The first cross-sectional shape of the lumen is different from the second and third cross-sectional shapes of the lumen, and the first cross-sectional shape of the lumen is a non-round shaped cross-sectional shape. | 09-24-2015 |
20150265437 | REDUCED GRANULATION AND INFLAMMATION STENT DESIGN - A stent of the present disclosure has a variable radial force along the longitudinal length of the stent. In particular, the radial force of the center is greater than the radial force of the ends of the stent. Without being bound by theory, the radial force is affected by the strut angle θ, the wall thickness t, the number of strut pairs, and combinations thereof. In one aspect of the present disclosure, the stent has a variable strut angle θ, a variable wall thickness t, and a variable number of strut pairs. By adjusting the strut angle θ, the wall thickness t, and the number of strut pairs of the serpentine bands, the stent will have a variable radial force without the need for additional processing steps. | 09-24-2015 |
20150265392 | DEVICES FOR SIZING A CAVITY TO FIT AN ORGAN AND RELATED METHODS OF USE - A method of sizing a cavity to fit an organ is disclosed. The method may include inserting the organ into the cavity. The method may also include inserting a support member into the cavity and inserting a substance into the cavity or the support member. The support member and the substance may at least partially fill a void space in the cavity after the organ is inserted therein. | 09-24-2015 |
20150265348 | ELECTROPHYSIOLOGY SYSTEM - A radio frequency (RF) ablation system and methods for using the radio frequency ablation system are disclosed. The RF ablation system may include an elongated member, an RF generator, and a processor. The elongated member may include a distal portion including one or more electrodes and the RF generator may be operatively coupled to one or more of the electrodes. The processor, which may be coupled to one or more of the electrodes, may obtain an output signal from the electrodes and may monitor changes in a frequency spectra of an electrical signal received with the output signal. The processor may determine a level of one or more characteristics that are proportional to an amplitude of the electrical signal, proportional to the frequency of the electrical signal, or proportional to both of the amplitude and the frequency of the electrical signal. | 09-24-2015 |
20150265341 | ELECTROPHYSIOLOGY SYSTEM - Radio frequency (RF) ablation systems and methods for using the radio frequency ablation systems are disclosed. The RF ablation system may include an elongated member, an RF generator, and a processor. The elongated member may include a distal portion including one or more electrodes and the RF generator may be operatively coupled to one or more of the electrodes. The processor, which may be coupled to one or more of the electrodes, may obtain an output signal from the electrodes and may monitor changes in an elevation of an ST segment of one or more electrogram (EGM) readings of the obtained output signal. The processor may determine a level of one or more characteristics that are proportional to an elevated ST segment of EGM. | 09-24-2015 |
20150265339 | NERVE ABLATION DEVICES AND RELATED METHODS OF USE AND MANUFACTURE - A medical device for sympathetic nerve ablation includes a catheter shaft and an expandable member disposed on the catheter shaft. The balloon is configured to be able to shift between an unexpanded configuration and an expanded configuration. The medical device includes an elongate electrode assembly constructed as a flexible circuit and a protective bumper member. The elongate electrode assembly may have an outer edge and may be disposed on an outer surface of the balloon. The protective bumper member may cover at least a portion of the outer edge of the elongate electrode assembly. | 09-24-2015 |
20150265334 | SYSTEMS AND METHODS FOR ASSESSING AND TREATING TISSUE - A medical device including an elongate member having a proximal end configured to be electrically coupled to an energy source, and a distal member disposed at a distal end of the elongate member. The distal member may include a plurality of contact elements configured to deliver stimulating energy to innervated tissue, detect a response from the innervated tissue to the stimulating energy, and deliver therapeutic energy to the innervated tissue based on the response from the innervated tissue. | 09-24-2015 |
20150265331 | DEVICES FOR REDUCING LUNG VOLUME AND RELATED METHODS OF USE - A method for isolating a portion of a lung may include inserting a treatment device into an airway of a patient, and applying energy from the treatment device to a treatment site in the airway to at least partially occlude the airway to inhibit air from entering the airway distal to the treatment site. | 09-24-2015 |
20150265283 | DEVICES AND METHODS FOR LUMEN OCCLUSION - Methods and devices for at least partially occluding an airway of a lung is disclosed. The method includes deploying a catheter into the airway such that a balloon at a distal end of the catheter is positioned proximate a tissue wall that defines the airway, and inflating the balloon to cause pressure to be applied on a portion of the tissue wall. The method may also include deflating the balloon to cause the portion of the tissue wall to be drawn radially inward to at least partially occlude the airway. | 09-24-2015 |
20150265221 | METHODS AND SYSTEMS FOR DIAGNOSTIC MONITORING - A method of monitoring a lung condition of a patient may include automatically receiving a diagnostic signal from one or more sensors delivered adjacent to or within a lung of the patient. The one or more sensors may be active to conduct diagnostic monitoring of the lung. The method also may include calculating a diagnostic value based on the diagnostic signal, and determining, based on the diagnostic value, a change in the lung condition. | 09-24-2015 |
20150265167 | PRESSURE SENSING GUIDEWIRES AND METHODS OF USE - A pressure sensing guidewire includes a distal end and a proximal end. The guidewire includes a tubular member having a distal portion and a proximal portion. The guidewire includes an optical pressure sensor disposed within the distal portion of the tubular member, and a polymer fiber optic cable extending proximally from the optical pressure sensor. The optical pressure sensor is located at a position that is about 3 centimeters or less from the distal end of the pressure sensing guidewire. | 09-24-2015 |
20150258253 | PLATELET-ACTIVATED BIOADHESIVE STENT COATING AS AN ANTIMIGRATION MECHANISM - A stent having an inner surface and an outer surface, the stent comprising a coating composition comprising a platelet-activated adhesive on at least a portion of the outer surface thereof. | 09-17-2015 |
20150257761 | METHODS, COMPOSITIONS AND KITS FOR PERFORMING ANASTOMOSIS PROCEDURES IN CONJUNCTION WITH A RADICAL PROSTATECTOMY PROCEDURE - In some aspects, a surgical procedure for the removal of a prostate gland is provided. The procedure comprises: (a) positioning an implant material within the urethra, (b) removing the prostate, thereby cresting a urethral stump and a bladder neck, wherein the implant material occupies the urethral stump, the bladder neck, or both, and (c) securing the bladder neck to the urethral stump in an anastomosis procedure to establish a path of urine flow from the bladder to an external urethral opening (e.g., the meatus). Subsequently, the implant material is removed from the urethra, for example, by natural urine voiding or by flowing a removal fluid through and/or around the implant material in the urethra. In other aspects, a medical kit is provided. | 09-17-2015 |
20150257671 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. A method of mapping electrical activity of a heart may comprise sensing a plurality of signals with a plurality of electrodes positioned within the heart. The method may further comprise separating the plurality of signals into a first group of signals and a second group of signals, and generating a data set that includes at least one known data point and one or more unknown data points. In some examples, the at least one known data point is generated based on the first group of signals. | 09-17-2015 |
20150254893 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE AND METHODS FOR DISPLAYING MAPPING DATA - Methods for displaying physiological mapping data are disclosed. An example method may include storing a set of three-dimensional positional data on a memory, storing a set of metric data on the memory, and storing a set of electrogram data on the memory. The method may also include outputting the set of three-dimensional positional data, the set of two-dimensional metric data, and the set of electrogram data from the memory to a display unit and displaying the set of three-dimensional positional data, the set of two-dimensional metric data, and the set of electrogram data on the display unit as a dynamic display. | 09-10-2015 |
20150254419 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE AND METHODS FOR DISPLAYING MAPPING DATA - Methods for displaying summarized physiological mapping data are disclosed. An example method may include storing a set of three-dimensional positional data on a memory, storing a set of metric data on the memory, and storing a set of electrogram data on the memory. The method may also include outputting the set of three-dimensional positional data, the set of two-dimensional metric data, and the set of electrogram data from the memory to a display unit and displaying the set of three-dimensional positional data, the set of two-dimensional metric data, and the set of electrogram data on the display unit as a summarized static display. | 09-10-2015 |
20150253505 | METHODS AND APPARATUS RELATED TO A SIDE-FIRE OPTICAL FIBER HAVING A ROBUST DISTAL END PORTION - An aspect of the present disclosure may include an apparatus having an optical waveguide. The optical waveguide may have a distal end surface non-normal to a longitudinal centerline of a distal end portion of the optical waveguide, wherein the distal end surface may define a portion of an interface configured to redirect electromagnetic radiation propagated from within the optical waveguide and incident on the portion of the interface to a direction offset from the longitudinal centerline. The apparatus may further include a capillary component which may have a first portion of an inner surface heat-fused to a portion of an outer surface of the optical waveguide. The apparatus may also include a reinforcement component which may have a proximal end surface disposed distal to the distal end surface of the optical waveguide such that the distal end surface of the optical waveguide and the proximal end surface of the reinforcement component may be separated by a non-zero distance, and wherein a portion of an outer surface of the reinforcement component may be heat-fused to a second portion of the inner surface of the capillary component. | 09-10-2015 |
20150250772 | Medical Device with Crystalline Drug Coating - A medical device having a polymer-free outer surface layer comprising a crystalline drug selected from the group consisting of everolimus, tacrolimus, sirolimus, zotarolimus, biolimus, and rapamycin. The device may be produced by a method comprising the steps of providing a medical device; applying a solution of the drug to said portion of the outer surface to form a coating of amorphous drug; and vapor annealing the drug with a solvent vapor to form crystalline drug; wherein a seed layer of a crystalline form of said drug having a maximum particle size of about 10 μm or less is applied to at least said portion of the outer surface of the device before or after applying the drug solution, but before vapor annealing the amorphous coating. | 09-10-2015 |
20150250579 | POLYMER STENT WITH TUNABLE AXIAL AND RADIAL FLEXIBILITY - Stents are provided which include geometric segments comprising radial elements and axial elements. Both the radial and axial elements are optionally characterized by a width and a thickness, and the widths and thicknesses of the radial and axial elements are capable of being fixed independently of one another, permitting the axial and radial flexibility of the stent to be controlled independently of one another. | 09-10-2015 |
20150250525 | NESTED BALLOON CRYOTHERAPY - A cryotherapy system includes a cryotherapy catheter having an inflatable balloon portion and a pressure regulator. The inflatable balloon portion includes an outer balloon and an inner balloon within the outer balloon. The inner balloon is configured to receive during a cryotherapy procedure a cryogenic agent for extracting heat from body tissue at a desired location. The inflatable balloon portion is at a distal end of the cryotherapy catheter. The pressure regulator is adapted to maintain a positive pressure between the inner balloon and the outer balloon during a cryotherapy procedure. | 09-10-2015 |
20150250499 | EXPANDABLE DELIVERY DEVICES AND METHODS OF USE - A system including an overtube configured to radially expand facilitates insertion of instruments in a patient. The system is directed to an overtube comprising an elongated body having a distal end and a proximal end, the overtube configured to radially expand from an insertion configuration to an expanded configuration, and including at least one articulation section having at least one degree of freedom and including a main channel expandable in the radial direction, and at least one additional channel. The at least one articulation section can radially expand. The system may include a radially expandable overtube having an optical channel configured to receive an optical device. The main channel and/or the at least one additional channel may be sized to receive one or more medical instruments. | 09-10-2015 |
20150250399 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft with a plurality of electrodes coupled thereto and a processor coupled to the catheter shaft. The processor may be capable of collecting a set of signals from the plurality of electrodes and generating a data set from at least one of the set of signals. The data set may include at least one known data point and one or more unknown data points. The processor may also be capable of interpolating at least one of the unknown data points by conditioning the data set, assigning an interpolated value to at least one of the unknown data points, and assigning a confidence level to the interpolated value. | 09-10-2015 |
20150238736 | SYSTEMS AND METHODS FOR DELIVERING DRUGS TO A TREATMENT SITE - A catheter system includes a catheter having a first balloon and a second balloon. The first balloon is longitudinally offset from the second balloon along the length of the catheter. The first and second balloons both have expanded and unexpanded states. The second balloon has a drug coating. The catheter system has a first configuration, a second configuration, and a third configuration. In the first configuration, the first balloon is in the unexpanded state and the second balloon is in the unexpanded state. In the second configuration, the first balloon is in the expanded state and the second balloon is in the unexpanded state. In the third configuration, the first balloon is in the expanded state and the second balloon is in the expanded state. | 08-27-2015 |
20150238249 | SELF-EXPANDING COOLING ELECTRODE FOR RENAL NERVE ABLATION - A metallic tube arrangement includes an electrode region configured to expand radially and contract radially in response to increasing and decreasing a temperature at the electrode region, respectively. The electrode region is configured for intravascular deployment and delivery of high frequency energy to target tissue of a target vessel of the body. The electrode region is configured to expand radially to a diameter sufficient to contact an inner wall of the target vessel in response to a decrease in electrode region temperature and to contract radially to a diameter smaller than a diameter of the target vessel in response to an increase in electrode region temperature. | 08-27-2015 |
20150238244 | CRYOTREATMENT DEVICES AND METHODS OF FORMING CONDUCTION BLOCKS - Cryotreatment devices and methods of ablating tissue within the body are disclosed. A cryotreatment device in accordance with an exemplary embodiment of the present invention includes an elongated member having one or more needle-like ablation tips configured to induce necrosis at a target site within the heart. A cooling fluid such as a cryogen may be injected through a lumen extending into the distal portion of the device. The ablation tips can be configured to pierce and ablate surrounding tissue, blocking electrical stimuli that can cause fibrillations or other arrhythmias of the heart. The device may also include means for controlling the transmural depth at which the ablation tips are inserted into the cardiac tissue. Methods of forming a contiguous line of conduction block in accordance with the present invention are also disclosed. | 08-27-2015 |
20150238243 | APPARATUS AND METHOD FOR CHILLING CRYO-ABLATION COOLANT AND RESULTING CRYO-ABLATION SYSTEM - Apparatus and methods for cooling liquid coolant, such as nitrous oxide, to be delivered to a cryo-ablation device such as a balloon catheter. A hose or conduit in fluid communication with the ablation device includes an outer member and inner tubes. A first inner tube disposed within a lumen of the outer member carries liquid coolant to the ablation device. Another inner tube also disposed within the lumen carries liquid coolant and terminates within the lumen such that gaseous coolant derived from liquid coolant flowing through the second inner tube flows within the lumen to cool or chill the first inner tube and liquid coolant carried by the first inner tube to the ablation device. | 08-27-2015 |
20150231075 | RAPIDLY DEGRADING EMBOLIC PARTICLES WITH THERAPEUTIC AGENT RELEASE - In accordance with one aspect, embolic particles are provided which comprise sub-particles that comprise a therapeutic agent of low solubility dispersed in a matrix that comprises a biodegradable polymer. Other aspects pertain to injectable compositions that comprise such particles and to methods of treatment that employ such injectable compositions. Still other aspects pertain to methods of making such particles. | 08-20-2015 |
20150230860 | COOLED ABLATION CATHETER DEVICES AND METHODS OF USE - Discloses herein are ablative catheters and methods of use. The catheters can include a cooling chamber for circulating cooling fluid within the catheter tip to reduce hot spots within the catheter tip and/or to reduce the formation of coagulum. A proximal cooling chamber can be positioned proximally to a thermal mass for cooling a proximal portion of the catheter. In addition, or alternatively, a distal cooling chamber can be positioned for cooling a distal portion of the catheter tip. The cooling fluid can flow the ablative catheter in an open, closed, or open and closed loop. | 08-20-2015 |
20150224249 | TISSUE ENUCLEATION DEVICES AND RELATED METHODS - A method for treating BPH may include marking a target tissue portion of a prostate of a patient with a contrasting agent. The method may further include emitting energy from an energy emitting device toward the target tissue portion. Further, the method may include enucleating the target tissue portion. | 08-13-2015 |
20150223922 | LUNG ELASTICITY RESTORING DEVICE AND RELATED METHODS OF USE AND MANUFACTURE - A lung device for restoring lung elasticity includes fixation members and a connecting member. The fixation member includes a first radially expandable fixation member and a second radially expandable fixation member. The first radially expandable fixation member defines a first profile in an expanded state and a lumen. The second radially expandable fixation member defines a second profile in an expanded state and a lumen. The connecting member extends between and connects the first and second fixation members. The lung elasticity restoring device is capable of reversibly extendable between an inspiration configuration and an expiration configuration, may be extendable to the inspiration configuration, and biased to the expiration configuration by the connecting member. | 08-13-2015 |
20150223704 | ENDOLUMINAL OSTIUM SENSOR ARRAY DEVICE - A sensor device for sensing endoluminal geometry may include an expandable element disposed on the distal region of a shaft. The expandable element may be configured to move a collapsed configuration and an expanded configuration. The expandable element may include one or more sensor elements configured to sense proximity of the sensor element to tissue. The sensor device may include an indicator configured to distinguish between contact of the sensor element with tissue, loss of contact and proximity of the sensor element to tissue. | 08-13-2015 |
20150217092 | BALLOON PROTECTION AND REWRAPPING DEVICES AND RELATED METHODS OF USE - A movable protection and/or rewrapping device for a balloon catheter may include a tubular member with a bore extending along a length thereof. The tubular member may have at least one rib disposed on an inner surface of the bore. The tubular member may be flared away from the bore at one end and inwardly tapered at the other end. The rewrapping device may include an actuator configured to open a longitudinal slit in the tubular member. | 08-06-2015 |
20150217085 | CRESCENT CHANNEL DYE FLOW ENABLED GUIDE CATHETERS - An intravascular catheter is disclosed that includes an elongated shaft defined by a wall including at least one port extending through the wall into a lumen. At least one channel may be defined between layers of polymer making up the catheter shaft. The channel extends along at least a portion of the shaft and is in fluid communication with the port. Outer and inner diameters of the catheter may be substantially constant along the length of the catheter. | 08-06-2015 |
20150217084 | MULTI-LUMEN CATHETERS AND RELATED METHODS OF MANUFACTURE - A method of making a multi-lumen catheter may include disposing an outer surface of a mandrel against an outer surface of a first catheter; disposing a first heat shrink material around the first catheter and the mandrel; heating the first catheter and the mandrel to form a U-shaped channel along the outer surface of the first catheter; removing the first heat shrink material and the mandrel from the first catheter; placing a second catheter into the U-shaped channel; disposing a second heat shrink material around the first catheter and the second catheter such that the second catheter is retained within the U-shaped channel; and heating the first catheter and the second catheter to cause reflow between the first catheter and the second catheter to form the multi-lumen catheter. | 08-06-2015 |
20150216646 | METHODS, COMPOSITIONS, DEVICES AND KITS FOR ATTACHING SURGICAL SLINGS TO TISSUE - The present disclosure is directed to methods, compositions, devices and kits which pertain to the attachment of surgical slings to tissue by application of an energy source to the slings and tissue in the presence of a bonding material. | 08-06-2015 |
20150216591 | ALTERNATIVE PLACEMENT OF THERMAL SENSORS ON BIPOLAR ELECTRODE - A medical device for tissue ablation may include a catheter shaft, an expandable member disposed on or coupled to the catheter shaft, and a plurality of elongate electrode assemblies each constructed as a flexible circuit. The expandable member may be configured to shift between an unexpanded configuration and an expanded configuration. The plurality of electrode assemblies may be disposed on an outer surface of the expandable member. Each of the plurality of electrode assemblies may include a temperature sensor aligned with two or more electrodes. | 08-06-2015 |
20150216396 | FORCE FEEDBACK CONTROL SYSTEM FOR VIDEO ENDOSCOPE - A video endoscope system includes a reusable control cabinet and an endoscope that is connectable thereto. The endoscope may be used with a single patient and then disposed. The endoscope includes an illumination mechanism, an image sensor, and an elongate shaft having one or more lumens located therein. An articulation joint at the distal end of the endoscope allows the distal end to be oriented by the actuators in the control cabinet or actuators in a control handle of the endoscope. Fluidics, electrical, navigation, image, display and data entry controls are integrated into the system along with other accessories. | 08-06-2015 |
20150209168 | DEFLATION NEEDLE WITH STABILIZATION FEATURES AND RELATED METHODS - According to an aspect of the present disclosure, a medical device may include a deflation catheter assembly. The deflation catheter assembly may include a tubular member having an outer surface, an inner surface, and a central lumen defined by the inner surface. The deflation catheter assembly may also include a plurality of passages extending through a side of the tubular member and from the inner surface to the outer surface. The deflation catheter assembly may also include an anchoring member coupled to the tubular member. A distal portion of the tubular member may extend distal the anchoring member. The plurality of passages may be at the distal portion of the tubular member. The anchoring member may be configured to move between an unexpanded state and an expanded state. At least a portion of the anchoring member may protrude radially outwardly from the outer surface of the tubular member when the anchoring member is in the expanded state. | 07-30-2015 |
20150209146 | Venous Valve, System, and Method - A venous valve with a frame and a cover on the frame for unidirectional flow of a liquid through the valve. | 07-30-2015 |
20150202155 | CROSS-LINKED POLYMER PARTICLES - Biodegradable cross-linked particles, as well as related compositions and methods, are disclosed. | 07-23-2015 |
20150196354 | MEDICAL DEVICES WITH FLEXIBLE CIRCUIT ASSEMBLIES - Medical devices for sympathetic nerve modulation are disclosed. An example medical device for sympathetic nerve modulation may include a catheter shaft having a distal region. An expandable member may be coupled to the distal region. A flexible circuit assembly may be attached to the expandable member. The flexible circuit assembly may include a first electrode strip, a second electrode strip, and a sensor strip disposed between the first electrode strip and the second electrode strip. The first electrode strip may include a first electrode. The second electrode strip may include a second electrode. The first electrode and the second electrode may define a pair of bipolar electrodes. | 07-16-2015 |
20150196311 | RETRIEVAL DEVICES AND RELATED METHODS OF USE - According to an example of the present disclosure, a retrieval device having a contracted state and an expanded state may include at least three support members each having a lumen, a fixed proximal end, and a movable distal end, and at least two members movable relative to the support members. Each movable member may include a first end and a second end and extending distally through a lumen of a support member and proximally through a lumen of a different support member. The device may include a stop located at the second end of at least one movable member to restrict movement of the second end after moving a distance distally during movement of the retrieval device toward the expanded state. | 07-16-2015 |
20150196216 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft with a plurality of electrodes coupled thereto and a processor coupled to the catheter shaft. The processor may be capable of collecting a set of signals from the plurality of electrodes, generating a set of data from at least one of the set of signals, wherein the data set includes at least one known data point and one or more unknown data points, determining a non-linear distance between the at least one known data point and the one or more unknown data points, and assigning a value to at least one of the unknown data points. | 07-16-2015 |
20150196215 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft with a plurality of electrodes coupled thereto and a processor coupled to the catheter shaft. The processor may be capable of collecting a set of signals from the plurality of electrodes and generating a data set from at least one of the set of signals. The data set may include at least one known data point and one or more unknown data points. The processor may also be capable of interpolating at least one of the unknown data points by conditioning the data set and assigning a value to at least one of the unknown data points. | 07-16-2015 |
20150196214 | MEDICAL DEVICES FOR MAPPING CARDIAC TISSUE - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft with a plurality of electrodes coupled thereto and a processor coupled to the catheter shaft. The processor may be capable of collecting a set of signals from the plurality of electrodes, characterizing the set of signals, generating a visual representation of the set of signals and refining the visual representation. | 07-16-2015 |
20150190617 | GUIDE EXTENSION CATHETER - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a guide extension catheter. The guide extension catheter may include a push member having a proximal portion with a proximal stiffness, a distal portion with a distal stiffness different from the proximal stiffness, and a transition portion disposed between the proximal portion and the distal portion. The transition portion may provide a smooth transition between the proximal stiffness and the distal stiffness. The push member may have a first outer diameter. A distal tubular member may be attached to the push member. The distal tubular member may have a second outer diameter larger than the first outer diameter. | 07-09-2015 |
20150190195 | TEAR RESISTANT FLEX CIRCUIT ASSEMBLY - A medical device for sympathetic nerve ablation may include a catheter shaft, an expandable member disposed on or coupled to the catheter shaft, and a plurality of elongate electrode assemblies each constructed as a flexible circuit having a plurality of layers. The expandable member may be configured to shift between an unexpanded configuration and an expanded configuration. The plurality of electrode assemblies may be disposed on an outer surface of the expandable member. Each of the plurality of electrode assemblies may include enhanced tear resistance properties such as through the inclusion of a reinforcement structure with one or more of the layers of the electrode assemblies. | 07-09-2015 |
20150190194 | SYMPATHETIC NERVE ABLATION DEVICES WITH AN EXPANSION-LIMITING MEMBER - Medical devices for sympathetic nerve modulation are disclosed. An example medical device for sympathetic nerve modulation may include a catheter shaft having a distal region. A compliant balloon may be coupled to the distal region. A flexible circuit assembly may be coupled to the compliant balloon. The flexible circuit assembly may include one or more electrodes. An expansion-limiting member may be coupled to the compliant balloon. | 07-09-2015 |
20150190190 | ELECTROSURGERY DEVICES AND METHODS FOR PROVIDING ELECTRIC ENERGY TREATMENT - A medical device including an energy generator, a proximal end, and a distal end. The proximal end may include a handle and one or more connectors coupled to the energy generator. The distal end may include a number of movable branch members connected to one or more movable filaments at the distal end to form at least one expandable snare. At least one of the one or more movable filaments may be coupled to the one or more connectors to transfer energy to the at least one of the one or more movable filaments. A portion of the at least one of the one or more movable filaments forming the at least one expandable snare may be insulated. | 07-09-2015 |
20150190163 | MEDICAL DEVICES FOR TISSUE EXTRACTION AND RELATED METHODS - Embodiments of the present disclosure include medical devices, and related methods of use, and manufacture thereof. A medical device is disclosed having an inner member and an outer member. The inner member may have a sharp edge, and the outer member may have a window configured to receive tissue. The medical device may include a plurality of suction passageways, the plurality of suction passageways may extend through at least one or both the inner member and the outer member and may be located adjacent the window. In addition, the inner member may be configured to move relative to the outer member. | 07-09-2015 |
20150190160 | MULTI-FUNCTIONAL MEDICAL DEVICE AND RELATED METHODS OF USE - A medical device including an elongate member having a proximal end, a distal end, and a lumen extending therebetween. The medical device may further include an end-effector disposed at the distal end of the elongate member. The end-effector may include a plurality of arms pivotally connected to one another, wherein each arm includes a tissue-contacting surface, a first portion of the tissue-contacting surface including a plurality of ridges configured to grasp tissue. Further, the tissue-contacting surface may include a channel oriented substantially parallel to a longitudinal axis of the medical device. | 07-09-2015 |
20150190157 | RETRIEVAL DEVICES AND RELATED METHODS OF USE - According to an embodiment of the present disclosure, a retrieval device may include a distally located end effector movable between a contracted state and an expanded state. The end effector may include a plurality of support members each including a passage. The end effector may also include a plurality of movable members. A first movable member may include a first portion extending into a first passage of the support member passages. The retrieval device may also include a proximally located handle assembly including a longitudinal actuator and a twisting actuator coupled to the plurality of movable members. The longitudinal actuator and twisting actuator may be configured to longitudinally move and twist the movable members without longitudinally moving and twisting the support members. | 07-09-2015 |
20150182732 | Drug Eluting Balloon With Preferred Drug Orientation To Improve Drug Transfer Efficiency - A catheter comprises a medical balloon having a drug coating. The drug coating comprises drug crystals on a surface of the balloon. The majority of the drug crystals on the surface of the balloon are oriented drug crystals which extend within 5° of a predetermined, non-zero common angle relative to the surface of the balloon from which the crystals extend. | 07-02-2015 |
20150174363 | INTEGRATED CATHETER SYSTEM - A guide catheter may include a tubular member having an inner layer defining a lumen extending therethrough, a reinforcing braid disposed about the inner layer, a plurality of steering wires interwoven through the reinforcing braid, and an outer layer disposed about the reinforcing braid. At least a portion of the reinforcing braid may be embedded within the outer layer. An introducer sleeve may be slidably disposed over the tubular member. A flush port element may be operably connected to the introducer sleeve. | 06-25-2015 |
20150173784 | MEDICAL DEVICE HANDLES AND RELATED METHODS OF USE - A device may include a sheath including a lumen, a distal end, and a proximal end. The device may further include an end-effector unit and an elongate member connected to the end-effector unit. The end-effector unit and the sheath may be movable relative to each other to achieve a first state of the end-effector unit and a second state of the end-effector unit. Moreover, the medical device may include a handle having a first handle portion connected to the proximal end of the sheath, a second handle portion connected to the proximal end of the elongate member, and a compliant member longitudinally aligned with the sheath between the first handle portion and the second handle portion. The first and second handle portions may be configured such that relative movement of the first and second handle portions causes the end-effector to move between the first and second states. | 06-25-2015 |
20150157768 | EMBOLIZATION - Embolization, as well as related particles, compositions, and methods, are disclosed. | 06-11-2015 |
20150157439 | COMPOSITIONS, DEVICES, KITS AND METHODS FOR ATTACHING SURGICAL MESHES TO TISSUE - The present disclosure is directed to methods, compositions, devices and kits which pertain to the attachment of surgical meshes to tissue by application of an energy source to the meshes and tissue in the presence of a bonding material. | 06-11-2015 |
20150157344 | MEDICAL RETRIEVAL DEVICES AND RELATED METHODS OF USE - A medical device may include an elongate member including a proximal end, a distal end, and a lumen extending therebetween, wherein a distal end of the lumen includes a wall disposed substantially perpendicular to a longitudinal axis of the elongate sheath, wherein the wall includes at least one opening therethrough. The medical device may also include an actuation assembly operably coupled to the proximal end, an actuating member coupled to a portion of the actuation assembly and extending into the lumen of the elongate member, and at least one loop having a first portion coupled to a distal end of the actuating member and a second portion extending through the at least one opening. | 06-11-2015 |
20150150626 | BIPOLAR OFF-WALL ELECTRODE DEVICE FOR RENAL NERVE ABLATION - A first spacing structure is provided at a distal end of a first catheter. The first spacing structure is configured to position at least one arterial electrode at a predefined distance away from a wall of the renal artery. A second spacing structure is provided at the distal end of the first catheter or at a distal end of a second catheter. The second spacing structure is configured to position at least one aortal electrode at a predefined distance away from a wall of the aorta. The arterial and aortal electrodes are operable as a bipolar electrode arrangement. The first and second spacing structures respectively maintain the arterial and aortal electrodes at a predefined distance away from the renal artery and aortal walls while electrical energy sufficient to ablate perivascular nerve tissue adjacent the renal artery and aortal walls is delivered by the bipolar electrode arrangement. | 06-04-2015 |
20150148814 | MEDICAL RETRIEVAL DEVICES AND RELATED METHODS OF USE - A medical device that may include a plurality of first branch members, and a plurality of second branch members is disclosed. The medical device may also include a first movable member, and a second movable member. The plurality of first and second branch members and the first and second movable members may form a basket movable between a collapsed configuration and an expanded configuration. | 05-28-2015 |
20150148813 | MEDICAL RETRIEVAL DEVICES AND RELATED METHODS OF USE - A medical device may include an elongate member, and a plurality of grasping members extending from the elongate member. Each of the grasping members may include a proximal end, and a distal end. Each of the grasping members may include at least one first section formed of a first material and a second material, and a second section located at the distal end of the grasping member. The second section may be formed without the first material and being less stiff than the at least one first section. | 05-28-2015 |
20150148797 | OSTIAL RENAL NERVE ABLATION - A catheter including an elongated shaft having a distal end and a proximal end, where the catheter includes a thermal element at the distal end thereof. The thermal element may be used in an ablation procedure or other procedure to heat a tissue adjacent a vessel. In some instances, the thermal element may be positioned in a first vessel and may operate to heat tissue adjacent a second vessel or adjacent an ostium between the first vessel and the second vessel. Further, the catheter may include an expandable portion on which the thermal element may be connected or positioned. The expandable portion(s) may comprise a basket or cage, a balloon, a memory shape and formable portion, and/or other mechanical expanders. | 05-28-2015 |
20150148796 | INSULATED ABLATION CATHETER DEVICES AND METHODS OF USE - Disclosed herein is a catheter device sized and shaped for vascular access that has an elongate body extending between a proximal end and a distal end. Further, the elongate body has at least one inner lumen configured to receive a fluid. The catheter also has an ablation electrode configured to provide ablative energy, wherein the electrode is located distally along the elongate body and includes a passageway fluidly connected to the lumen of the elongate body. Also, the catheter has a sensor configured to provide a signal representative of temperature, and an insulating chamber extending at least partially about the ablation electrode and configured to at least partially insulate the sensor. | 05-28-2015 |
20150148795 | RADIO FREQUENCY ABLATION COIL - A tumor ablation device may be combined with a diagnostic tool and/or a surgical instrument for offering cancer treatment therapy. | 05-28-2015 |
20150148794 | LOW PROFILE MEDICAL DEVICES FOR SYMPATHETIC NERVE ABLATION - Medical devices and methods for making and using medical devices are disclosed. An example medical device for sympathetic nerve ablation may include a catheter shaft. An expandable balloon may be coupled to the catheter shaft. The balloon may be capable of shifting between an unexpanded configuration and an expanded configuration. The balloon may include a first layer and a second layer. The first layer may include a convertible circuit. An electrode may be coupled to the balloon and may be in electrical contact with the convertible circuit. | 05-28-2015 |
20150148597 | SYSTEMS, DEVICES, AND METHODS FOR TISSUE EXTRACTION - Medical devices, systems, and related methods of use are disclosed. The systems may comprise a sheath for insertion into a body lumen and an extraction tool for passage through the sheath, wherein the extraction tool may include a handle, an end effector, and an optical device. Methods disclosed herein include introducing an extraction tool into a urethra for retrieving and removing tissue from the body, e.g., with an end effector, without morcellating the excised tissue. | 05-28-2015 |
20150147736 | SIMULATION MODULE - Simulation systems for demonstrating and/or testing medical devices and methods for demonstrating and/or testing medical devices using simulation systems are disclosed. An example simulation system may include a simulation module. The simulation module may include circuitry and one or more indicators. The circuitry may be capable of establishing impedance levels simulating impedances at tissue-electrode conduction paths. In some cases, the circuitry may be capable of sensing a temperature at the simulated tissue-electrode conduction paths. The one or more indicators may be able to provide indications corresponding to the established impedance levels. An example method of demonstrating or testing a medical device may include determining whether established impedance levels match electrode activation settings of an ablation generator (e.g., a medical device). | 05-28-2015 |
20150142102 | FILTER SYSTEM AND METHOD - A filter system, comprising an elongate filter body defining a lumen and having a proximal end and a distal end. A valve can be provided defining a lumen and having a reversibly sealable opening for unidirectional flow of a fluid through the lumen. The valve can be adjoined proximal the distal end of the elongate filter body, wherein the elongate filter body filters the unidirectional flow of the fluid passing through the lumen of the valve and the lumen of the elongate filter body. | 05-21-2015 |
20150141978 | ABLATION MEDICAL DEVICES AND METHODS FOR MAKING AND USING ABLATION MEDICAL DEVICES - Ablation devices and methods for determining a degree of contact between an electrode and a target tissue are disclosed. An example ablation device for treating body tissue may include a catheter having a proximal end region and a distal end region. An electrode may be disposed adjacent to the distal end region of the catheter. The device may also include a processing unit having a memory. The processing unit may be in electrical communication with the electrode. The processing unit may be capable of determining a degree of contact between the electrode and a target tissue. | 05-21-2015 |
20150141951 | TARGETED TISSUE HEATING METHODS AND ASSOCIATED SYSTEMS - In one aspect, the present disclosure is directed to a method for treating a bladder within a body of a subject, including inserting one or more heaters into the bladder wall of a subject, and selectively heating the one or more heaters by a remote device. | 05-21-2015 |
20150134074 | ENDOLUMINAL DEVICE - The present invention relates to an endoluminal device for implantation in a body lumen, such as a pancreatic duct. The device is provided with a distal end region having greater flexibility than that of a medial region of the device. | 05-14-2015 |
20150133914 | HIGH RESOLUTION ELECTROPHYSIOLOGY CATHETER - An electrophysiology medical probes, which may be incorporated into a system and used to perform an electrophysiology procedure, is provided. The medical probe comprises an elongated member (e.g., a flexible elongated member), and a metallic electrode mounted to the distal end of the elongated member. In one embodiment, the metallic electrode is cylindrically shaped and comprises a rigid body. The medical probe further comprises a plurality of microelectrodes (e.g., at least four microelectrodes) embedded within, and electrically insulated from, the metallic electrode, and at least one wire connected to the metallic electrode and the microelectrodes. | 05-14-2015 |
20150126840 | CARDIAC MAPPING USING LATENCY INTERPOLATION - Medical devices and methods for using medical devices are disclosed. An example mapping medical device may include a catheter shaft with a plurality of electrodes. The plurality of electrodes may include a first pair of electrodes, a second pair of electrodes, a third pair of electrodes and a fourth pair of electrodes. The mapping medical device may further include a processor, wherein the processor may be configured to determine a first latency between the first pair of electrodes, determine a second latency between the second pair of electrodes, determine a third latency between the third pair of electrodes, determine a fourth latency between the fourth pair of electrodes, and determine a target signal by interpolating the first latency, the second latency, the third latency and the fourth latency. | 05-07-2015 |
20150119924 | MECHANICALLY DATACHABLE VASO-OCCLUSIVE DEVICE - A device for delivering an occlusive element includes an elongate pusher member having a lumen extending between distal and proximal ends. An elongate releasing member is slideably disposed within the lumen of the elongate pusher member. A retaining member is disposed on the distal end of the elongate pusher member and includes a finger portion having an aperture sized to receive the distal end of the elongate releasing member. An occlusive element such as a coil is provided and includes a securing member positioned at a proximal end thereof. The securing member is releaseably secured to the finger portion of the retaining member. The securing member is secured to the finger portion when the elongate releasing member is disposed in the aperture of the finger portion and unsecured when the elongate releasing member is retracted proximally from the aperture of the finger portion. | 04-30-2015 |
20150119921 | INTRAGASTRIC BALLOON RETRIEVAL SYSTEMS AND RELATED METHODS - According to aspects of the present disclosure, a retrieval catheter assembly for retrieving an intragastric balloon may include a tubular member configured to pass through a wall of the intragastric balloon. The retrieval catheter assembly may also include a retrieval member coupled to the tubular member and movable between an undeployed configuration and a deployed configuration. In the undeployed configuration the retrieval member may be substantially aligned with the tubular member. In the deployed configuration at least a portion of the retrieval member may diverge from the tubular member and may be configured to engage the wall of the intragastric balloon. | 04-30-2015 |
20150119895 | MULTIFUNCTION RETRIEVAL DEVICES AND RELATED METHODS - A device may include a handle, and a sheath coupled to the handle. The sheath may include a lumen. The device may also include an instrument assembly coupled to the handle, and extending through the lumen of the sheath. The instrument assembly may include a basket configured to move relative to the sheath, and between contracted and expanded states. The instrument assembly may also include a forceps configured to reciprocate along a central longitudinal axis of the basket and through an interior of the basket, and move between contracted and expanded states. | 04-30-2015 |
20150119882 | EMBEDDED THERMOCOUPLE IN DENERVATION FLEX CIRCUIT - A medical device for sympathetic nerve ablation may include a catheter shaft, an expandable member disposed on or coupled to the catheter shaft, and a plurality of elongate electrode assemblies each constructed as a flexible circuit having a plurality of layers. The expandable member may be configured to shift between an unexpanded configuration and an expanded configuration. The plurality of electrode assemblies may be disposed on an outer surface of the expandable member. Each of the plurality of electrode assemblies may include a temperature sensor within the plurality of layers. | 04-30-2015 |
20150119754 | STEERABLE MEDICAL DEVICE - A steerable medical device is used to controllably introduce a guidewire or other medical instrument into a body of a patient and direct placement of the guidewire or other medical instrument in the body of the patient. The steerable medical device can include an elongated member, a steering mechanism, and an attachment member. The elongated member extends along a longitudinal axis and comprises a deflectable distal portion that is deflectable off of the longitudinal axis. The steering mechanism is adapted to control longitudinal and rotational movement of the elongated member and to control off-axis deflection of its deflectable portion. The attachment member is removably couplable to another medical device. The attachment member is moveably coupled to the steering mechanism and the elongated member. | 04-30-2015 |
20150119724 | CATHETER SYSTEMS AND METHODS FOR DETERMINING BLOOD FLOW RATES WITH OPTICAL SENSING - Catheter systems and methods for determining blood flow rates based on light reflection measurements. The catheter may include a lumen extending between a proximal end of the catheter and a distal end of the catheter. The catheter may include fluid infusion openings at the distal end region of the catheter that are configured to permit the indicator fluid to exit the catheter from the lumen. The catheter system may include an optical fiber having one or more sensors thereon for sensing light reflected by blood particles in a body vessel lumen. A blood flow rate may be determined based on the sensed light reflected by blood particles in the body vessel lumen. | 04-30-2015 |
20150119672 | MEDICAL DEVICE FOR HIGH RESOLUTION MAPPING USING LOCALIZED MATCHING - Medical devices and methods for using medical devices are disclosed. An example mapping medical device may include a catheter shaft with a plurality of electrodes. The catheter shaft may be coupled to a processor. The processor may be capable of collecting a first set of signals from a first location, collecting a second set of signals from a second location, characterizing the first set of signals over a first time period, characterizing the second set of signals over a second time period, comparing the first set of signals to the second set of signals and matching a first signal from the first set of signals with a second signal from the second set of signals. | 04-30-2015 |
20150112328 | BALLOON CATHETERS WITH FLEXIBLE CONDUCTING WIRES AND RELATED METHODS OF USE AND MANUFACTURE - A medical device and related methods of use or manufacture are disclosed. The medical device may include an intravascular catheter for nerve modulation. The medical device includes an elongate shaft having a proximal end region, a distal end region, and a lumen extending therebetween. An expandable member is coupled to the distal end region of the elongate shaft. One or more electrical conductors extend from the proximal end region of the elongate shaft to the expandable member. The one or more electrical conductors may have a distal end region secured directly to an outer surface the expandable member. One or more energy delivery regions are positioned on the expandable member and coupled to the one or more electrical conductors. | 04-23-2015 |
20150112215 | CATHETER SYSTEMS AND METHODS FOR DETERMINING BLOOD FLOW RATES WITH ACOUSTIC DILUTION - Catheter systems and methods for determining blood flow rates based on speed of sound measurements. The catheter may include a lumen extending between a proximal end of the catheter and a distal end of the catheter. The catheter may include fluid infusion openings at the distal end region of the catheter that are configured to permit the indicator fluid to exit the catheter from the lumen. The catheter system may include a guidewire having one or more sensors thereon for sensing speed of sound in a body vessel lumen and/or in a lumen of the catheter. The sensors may sense a sound sent through the catheter to the body vessel lumen. A blood flow rate may be calculated based on the measured speeds of sound. | 04-23-2015 |
20150105815 | HIGH PRESSURE TEAR RESISTANT BALLOON - An expandable medical balloon comprising an inner layer formed of a polymer material having a first flexural modulus, an intermediate layer formed of a material having a second flexural and an outer layer formed of a material having a third flexural modulus, wherein the flexural modulus of the inner layer and outer layer is 50,000 psi to about 80,000 psi, the flexural modulus of the intermediate layer is about 130,000 to about 230,000 psi and the calculated burst strength of the balloon determined on a 90 degree bend in the balloon is about 35,000 psi or higher. | 04-16-2015 |
20150105808 | DEVICES FOR APPROXIMATING TISSUE AND RELATED METHODS OF USE - Devices for approximating multiple tissue edges internal to a body are disclosed. | 04-16-2015 |
20150105774 | MEDICAL DEVICE BALLOON - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft. An expandable member may be coupled to the catheter shaft. The expandable member may be capable of shifting between a folded configuration and an expanded configuration. A plurality of flexible elements may be attached to the expandable member, with a plurality of electrode assemblies disposed on the flexible elements. The flexible elements may have a grooved substrate. | 04-16-2015 |
20150105773 | FLEXIBLE RENAL NERVE ABLATION DEVICES AND RELATED METHODS OF USE AND MANUFACTURE - Medical devices for renal nerve ablation are disclosed. An example medical device for renal nerve ablation may include a catheter shaft having a distal region. The device may include an expandable member coupled to the distal region, a flexible circuit assembly coupled to the expandable member, and a pressure sensor disposed along the expandable member and positioned adjacent to the flexible circuit assembly. The flexible circuit assembly may include one or more pairs of bipolar electrodes and a temperature sensor. | 04-16-2015 |
20150105772 | DEVICES AND METHODS FOR NERVE MODULATION - Systems for nerve and tissue modulation are disclosed. An illustrative system may include an intravascular nerve modulation system including a catheter shaft, an expandable basket and one or more energy delivery regions. The one or more energy delivery regions may be defined by regions of the basket free from an insulating material. | 04-16-2015 |