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604 - Surgery

604019000 - MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.)

604027000 - Material introduced into and removed from body through passage in body inserted means

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DocumentTitleDate
20130030356SODIUM MANAGEMENT FOR DIALYSIS SYSTEMS - Systems and methods for providing dialysis therapies are provided. In a general embodiment, the present disclosure provides an apparatus for dialysis treatment comprising first and second fluid flow pathways in a parallel arrangement. The first fluid flow pathway contains a first cation exchange resin, wherein greater than 90% of exchange sites of the first cation exchange resin are populated with hydrogen ions. The second fluid flow pathway contains a second cation exchange resin, wherein greater than 90% of exchange sites of the second cation exchange resin are populated with sodium ions. The apparatus can be used to maintain a constant and safe level of sodium in a constantly regenerated dialysis fluid over an extended period of time.01-31-2013
20090143722APPARATUS AND METHOD FOR CONTROLLING FECAL DIVERTING DEVICE - A fecal diverting device includes an internal balloon formed at the inside of a tubular body part disposed at the front end of a connection tube, at least one external balloon formed at the outside of the tubular body part, and an enema liquid injection hole formed through the forefront of the tubular body part, so as to allow fillers to be respectively injected into the internal balloon and the at least one external balloon and an enema liquid to be injected into an intestinal tract of a patient via an enema liquid injection hole through a control tube; and a device controller connected to the control tube for regulating the amounts of the fillers filling the internal balloon and the at least one external balloon through the control tube based on a predetermined fecal diverting program, and controlling the injection of the enema liquid, supplied from an enema liquid supplying unit, into the intestinal tract via the enema liquid injection hole through the control tube.06-04-2009
20100056990METHODS AND COMPOSITIONS FOR DETECTION OF MICROBIAL CONTAMINANTS IN PERITONEAL DIALYSIS SOLUTIONS - Methods and compositions for detection of microbial contaminants in peritoneal dialysis solutions are provided. The methods and compositions employ modified bioburden testing and the detection of peptidoglycan. A novel cause of aseptic peritonitis is provided—aseptic peritonitis associated with gram positive microbial contamination of a dialysis solution. Peptidoglycan is a major component of a gram positive bacterial cell wall and thus can serve as a marker for gram positive bacteria. In this regard, testing for peptidoglycans can be utilized to effectively prevent peritonitis in patients that use the peritoneal dialysis solutions, such as peritoneal dialysis solutions that contain a glucose polymer including an icodextrin and the like.03-04-2010
20100056989INSTRUMENTATION FOR INJECTION OF THERAPEUTIC FLUID INTO JOINTS - Described are novel medical delivery devices that can be used to effectively distribute a medical agent to multiple sites within a tissue volume without requiring the device to be repositioned, including for example to distribute the medical agent within the nucleus pulposus tissue of a spinal disc. Also described are medical delivery devices configured to simultaneously remove fluid from the tissue volume into which a medical agent is being delivered, thus avoiding or otherwise decreasing any pressure build-up and facilitating an effective, uniform delivery of the therapeutic agent.03-04-2010
20110196288ENERGY DELIVERY DEVICES AND METHODS - This relates to methods and devices for achieving contact between the wall of a cavity or passageway and a medical device when used in tortuous anatomy.08-11-2011
20120245512NON-LINEAR FREE STATE CATHETER - Devices and methods are disclosed to conduct fluid away from or deliver fluid to an area of a treatment site of a patient's body. For example, a catheter is provided having a terminal end with a non-linear shape such that fluid is delivered to or drained from an area of a treatment site.09-27-2012
20130085442SYSTEMS AND METHODS FOR CLEANING BODY CAVITIES - This application presents methods and devices for continuously cleaning a colon by at least partially filling a segment of the colon with liquid and agitating the fluid to dislodge matter adhering to the colon walls. Methods for automatic maintenance of liquid levels in the colon during continuous cleaning are taught.04-04-2013
20130079704DIALYSIS METHOD INCLUDING WIRELESS PATIENT DATA - A dialysis method comprising coding a wireless receiver of a dialysis machine with at least one of an address or a personal identification number (“PIN”); and receiving at least one of blood pressure data from a blood pressure monitor wirelessly or patient weight data from a weight scale wirelessly, wherein the at least one coded address or PIN ensures that the at least one of the blood pressure data or the patient weight data is received by the receiver as opposed to a receiver of another dialysis machine.03-28-2013
20100100033DOUBLE BARREL SYRINGE AND HANDLES FOR USE WITH DOUBLE BARREL SYRINGES - An apparatus that includes two syringes, or a “double barrel syringe,” includes one syringe that injects or infuses while the other syringe aspirates. In the double barrel syringe, injection and aspiration may be effected by a single action. The double barrel syringe may include a handle with two members. A first member of such a handle includes one arm that pivotally couples to a plunger of a first syringe and another arm that pivotally couples to a barrel of a second syringe. A second member of the handle includes one arm that pivotally couples to a barrel of the first syringe and another arm that pivotally couples to a plunger of the second syringe. Methods for injecting or infusing simultaneously with aspirating are also disclosed.04-22-2010
20090156984DUAL LUMEN GASTROINTESTINAL FEEDING AND ASPIRATING DEVICE - A dual lumen gastrointestinal feeding and aspirating device includes an aspiration channel which carries a feeding channel. The aspiration channel has a distal opening with a larger size than that of the feeding channel so it can operate more effectively as a stent and accommodate larger sized instruments. The distal end of the aspiration channel is repeatably moveable between open and closed conditions in response to the extension and retraction, respectively, of the instrument therethrough.06-18-2009
20100106081APPARATUS AND METHOD FOR TREATING SPIDER VEINS - There is provided herein a system, device and methods for performing minimally invasive spider vein treatments. In some embodiments an apparatus for eliminating spider veins comprises a dual syringe mechanism that includes a pusher for pushing sclerosant materials into a target vein, and an extractor for extracting debris from a target vein; a needle for application into a target vein; and a Y-connector connecting each exit of the dual syringe mechanism to the needle. In some implementations the apparatus's dual syringe mechanism includes a locking mechanism to enable controlled advancing of the syringe pusher.04-29-2010
20130046232Method for a Central Venous Line Catheter Having a Temperature Control System - A kit of parts comprises a system and instructions for use for controlling patient temperature which uses a central venous line catheter having a heat exchange element. The central venous line catheter is provided with one or more lumens for providing access to the central blood supply of the patient, and with additional lumens for communicating heat exchange fluid to the heat exchange element. Heat exchange fluid temperature is controlled through a feed back loop in which patient temperature is sensed and used to control a temperature control unit comprising a heating device and/or a cooling device in heat exchange relationship with the heat exchange fluid. A tubing set transports the heat exchange fluid between the central venous line and the temperature control unit, with a pump serving to circulate the fluid in a closed fluid circuit in the system.02-21-2013
20110004152Biocompatible devices, systems, and methods for reducing levels of proinflammatory of antiinflammatory stimulators or mediators in the blood - Devices, systems, and methods reduce levels of proinflammatory or anti-inflammatory stimulators or mediators in blood by selective adsorption. The devices, systems, and methods are useful in situations where abnormal levels of or unregulated or excessive interaction among proinflammatory or anti-inflammatory stimulators or mediators occur, or during events that do induce or have the potential for inducing abnormal production of proinflammatory or anti-inflammatory stimulators or mediators. The devices, systems, and methods serve to prevent, control, reduce, or alleviate the severity of the inflammatory response and disease states that are associated with abnormal levels of or unregulated or excessive interaction among proinflammatory or anti-inflammatory stimulators or mediators.01-06-2011
20090306584MEDICAL DEVICE - The invention relates to a medical device which is used, preferably for peritoneal dialysis, and is provided with a film hose.12-10-2009
20130072864Dual Gravity and Pressure Colon Irrigation Device and Method - The present invention provides a compact colon irrigation device and a method for performing human colon irrigation. The colon irrigation device of the present invention comprises at least a housing, a gravity tank to supply water by gravity, a means for filling the gravity tank with warm water, an extension tube extending vertically from the top of the gravity tank to create a required water head for providing substantially a constant gravity flow of water at a predetermined pressure, a speculum for insertion into rectum of colon for irrigation and extracting matter, a water supply line extending from the gravity tank connected with the said speculum, and a drain line connected with the said speculum. The gravity tank provides water at a pressure suitable for carrying out the colon irrigation safely.03-21-2013
20080312582METHOD FOR INSERTING A FLEXIBLE MEDICAL DEVICE CONDUIT - A method for inserting a flexible medical device conduit includes adhering a flexible conduit insertion medical device, with a flexible medical device conduit and an integrated insertion mechanism, to a target site. Moreover, the flexible medical device conduit has an elongated framework formed from a flexible material (e.g., Nitinol) with a body portion, sharp head, distal end and proximal end. The flexible medical device conduit also has a flexible tube at least partially jacketing the elongated framework between the distal end and the proximal end. In addition, the sharp head is disposed at the distal end and is configured for subcutaneous skin insertion and the elongated framework and flexible tube define at least one conduit between the elongated framework and the flexible tube, the conduit having an opening at the distal end. The insertion mechanism is operatively connected to, and integrated with, the flexible medical device conduit and the insertion mechanism is configured to insert a portion of the flexible medical device conduit, including at least the sharp head and the opening, into a user's skin target site. The method also includes inserting the flexible medical device conduit into the target site by action of the insertion mechanism.12-18-2008
20130066259Colon Irrigation Device and Method - The present invention provides a highly effective device and method for performing human colon irrigation. It comprises a bypass line having a non-return valve connected to a warm water supply line where in the non-return valve operates in proportion to back pressure as it develops in the colon thereby allowing gentler filling of colon and limiting pressure in the colon to a maximum safe level. Benefits include patient comfort and a safeguard against damaging the intestine. The present invention also provides a novel housing for a colon irrigation device which provides easy access to the internal part of the device without the need for disconnecting water or electrical supply lines.03-14-2013
20130066260ENTERAL FEEDING AND REFLUX COLLECTION SYSTEM AND METHOD USING VENTED SYRINGE - An enteral fluid delivery and reflux collection system and method are disclosed. A fluid nutrient source container and administration tube are joined to an enteral feeding tube, and a gastric reflux tube connects a vented reflux collection syringe to selectively permit or prevent reflux collection, and/or to aspirate or flush the associated fluid lines.03-14-2013
20110208117Catheter - A catheter is disclosed. The catheter has a body having a proximal end and a distal end. The body encloses a plurality of independent lumens which extend longitudinally from the proximal end to the distal end. One of the independent lumens is sealed at the distal end which allows for the insertion of an agent. A tag used to locate the distal end of a mono or multiple lumen catheter is also disclosed. A tip used in conjunction with a mono or multiple lumen catheter is also disclosed. Methods of use are also disclosed.08-25-2011
20130165848APPARATUS THAT CAN BE ELECTRICALLY OPERATED VIA A MAINS VOLTAGE CONNECTION - The present invention relates to a device operable electrically via a mains voltage connection, in particular without a ground wire connection, having a live element and having an application part, wherein the application part is insulated by a basic insulation with respect to the live element. In this respect, an insulation monitor is provided which monitors the quality of the basic insulation of the application part with respect to the live element. The present invention furthermore comprises a medical device having a heating module for heating a medical fluid, wherein the heating module comprises a heating element having a heating coil arranged on a first ceramic layer, wherein the heating element is arranged on a second ceramic layer, wherein the second ceramic layer advantageously forms a heating plate of the heating module.06-27-2013
20130165847MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES - A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include a control system that can adjust the volume of fluid infused into the peritoneal cavity to prevent the intraperitoneal fluid volume from exceeding a pre-determined amount. The control system can adjust by adding one or more therapy cycles, allowing for fill volumes during each cycle to be reduced. The control system may continue to allow the fluid to drain from the peritoneal cavity as completely as possible before starting the next therapy cycle. The control system may also adjust the dwell time of fluid within the peritoneal cavity during therapy cycles in order to complete a therapy within a scheduled time period. The cycler may also be configured to have a heater control system that monitors both the temperature of a heating tray and the temperature of a bag of dialysis fluid in order to bring the temperature of the dialysis fluid rapidly to a specified temperature, with minimal temperature overshoot.06-27-2013
20110184338CATHETER DEVICES AND DRAINAGE SYSTEMS FOR DELIVERING THERAPEUTIC AGENTS - A catheter for drainage of a wound and delivery of a therapeutic agent at or near the wound of a patient is provided. The catheter comprises: a proximal end configured to receive the therapeutic agent and permit passage of bodily fluid, the proximal end configured to be coupled to a drainage tube and/or a therapeutic agent delivery device; a distal end for insertion at or near the wound; and a body disposed between the proximal end and distal end of the catheter and configured to receive the therapeutic agent from the proximal end of the catheter, the body having a first set of holes configured to allow passage of the therapeutic agent from the proximal end to a site at or near the wound and the body having a second set of holes configured to allow drainage of bodily fluid from the wound into the catheter.07-28-2011
20110282275OCCLUSION PERFUSION CATHETER - Catheters for occluding, visualizing, irrigating, evacuating, and delivering agents to a treatment area are disclosed. The catheters comprise a catheter body comprising five lumens, first and second occlusion balloons coupled to the catheter body, an optional space-occupying balloon coupled to the catheter body and disposed between the first and second occlusion balloons, and an optional visualization means that enables visualization between the first and second occlusion balloons. Methods for using these catheters are also disclosed. A method comprises inflating the first and second occlusion balloons, inflating the space-occupying balloon, allowing fluid to exit via an evacuation lumen, optionally irrigating or aspirating to facilitate fluid exit via said lumen, and delivering an agent to a treatment area via the agent lumen.11-17-2011
20110282274Recovery Catheter Assembly - An example of recovery catheter assembly comprises an actuator element and a mechanically radially expandable and contractible recovery device operably connected to the actuator element. The recovery device has proximal and distal blocking portions and a central portion therebetween. The recovery device is at least partially placeable in a first, radially collapsed configuration and in a second, radially expanded configuration by manipulation of the actuator element. When in the second, radially expanded configuration, the proximal and distal blocking portions have radial dimensions greater than the radial dimension of the central portion thereby at least partially defining a collection chamber at the central portion.11-17-2011
20100268155Method For Stabilizing An Intervertebral Disc Device - The invention relates to a biocompatible settable polymer useful in retaining an implant, more evenly distributing any force loading on the implant, and/or promoting tissue growth around and onto the implant.10-21-2010
20110295194DRUG DELIVERY APPARATUS - An implantable drug delivery apparatus for delivering a drug into a bodily fluid in a body cavity of a patient over a period of time includes a variable-volume vessel defining a working chamber for receiving a drug and recirculating a therapeutic fluid. The fluid can contain a bodily fluid, such as, for example, perilymph, and a drug. The device allows for the controlled delivery of the therapeutic fluid to a predetermined location in the bodily cavity of the patient, such as, for example, a cochlea of a human ear.12-01-2011
20090275881OPTIMIZING THERAPY OUTCOMES FOR PERITONEAL DIALYSIS - Peritoneal dialysis therapy outcomes have been calculated for a variety of dwell times of peritoneal dialysis fluids in the peritoneal cavities of dialysis patients using kinetic modeling. The length of dwell time should not be the same for every patient, but should vary according to the patient condition and needs. Some patients have a potential for expressing greater ultrafiltrate into the dialysis fluid, and these patients can benefit from a longer dwell time, whereas other patients with less potential will not benefit from a longer dwell time. An optimal or peak time is observed for each peritoneal dialysis therapy outcome, such as ultrafiltrate volume rate, urea clearance (Kt/V), and creatinine clearance, while minimizing hydrocarbon absorption. These values and input parameters can be used to tailor the peritoneal dialysis dwell time for each patient, estimating the peak dwell time that will yield the best therapy outcome for each patient.11-05-2009
20090076439Inflation System for Balloon Catheter - The present invention is directed towards an inflation system for a balloon catheter that automatically determines and outputs a balloon diameter. The present invention is also directed towards an inflation system that automatically controls the surgical procedure using the balloon diameter.03-19-2009
20100114012Portable Peritoneal Dialysis System - A portable peritoneal dialysis system for a patient includes an inlet port for providing inflow to the patient's peritoneal cavity, an outlet port for providing outflow from the patient's peritoneal cavity, and a volume of dialysate for flow into and out of the patient's peritoneal cavity, thereby removing from the dialysate uremic waste metabolites that have diffused into the dialysate. The portable peritoneal dialysis system also includes a closed liquid flow loop, including a pump, for flowing the dialysate into and out of the patient's peritoneal cavity, and an organic- and phosphate-removing stage, including at least one replaceable cartridge in the closed liquid flow loop, the cartridge containing material for removing organic compounds and phosphate from dialysate removed from the patient's peritoneal cavity. The portable peritoneal dialysis system further includes a urea- and ammonia-removing stage, including at least one replaceable cartridge in the closed liquid flow loop, the cartridge containing material for removing urea and ammonia from dialysate removed from the patient's peritoneal cavity, the material being packed around semi-permeable hollow fibers with interior fiber walls that reject cations, thereby retaining cations in the dialysate.05-06-2010
20100210999METHODS AND DEVICES FOR REMOVING OMENTAL TISSUE - The invention relates to a method of treating obesity, insulin resistance and co-morbidities of these conditions by removing tissue from the abdomen. More specifically, it relates to a method of removing abdominal fat and omentum to which the fat is attached, in order to improve health. The invention includes a device for safely removing this tissue material08-19-2010
20120035532ASPIRATING AND INJECTING DEVICE - A medical device for aspirating and injecting fluid into a body cavity for use with first and second syringes is provided. The medical device includes an outer needle having an outer lumen formed therethrough. A distal end of the outer needle is configured to puncture tissue for insertion of the needle into the body cavity. An inner cannula is disposed within the outer lumen and has an inner lumen formed therethrough. A distal end of the inner cannula is disposed within the outer lumen. A hub has a first hub opening for fluidly connecting the first syringe to the outer lumen and a second hub opening for fluidly connecting the second syringe to the inner lumen. The inner cannula extends from at least one of the first and second hub openings to the distal end of the inner cannula. A method for treating a cyst is also provided.02-09-2012
20090259174Methods and devices for treating vulnerable atherosclerotic plaque - Methods and catheter devices/systems for removing some or all of the lipid core material from vulnerable plaque and/or for introducing one or more therapeutic substance into vulnerable plaque. The vulnerable plaque may be entered by a penetrator that is advanced into the vulnerable plaque from a catheter device that incorporates an on-board imaging, sensing or vulnerable plaque locating apparatus.10-15-2009
20090275882STENT FOR IRRIGATION AND DELIVERY OF MEDICATION - A stent comprises a flexible tube having a proximal end, a distal end, and a passageway extending from said proximal end toward said distal end. A first generally straight tube segment extends from the proximal end while a first generally curved segment-extends from an end region of the first generally straight tube segment disposed away from the proximal end of the stent. A second generally straight tube segment extends from an end region of the first curved segment away from the first generally straight tube segment and is arranged at an acute angle relative to the first generally straight tube segment. A second generally curved tube segment extends from one end of the second generally straight tube segment and includes a channel on an exterior surface of the second generally curved tube segment. The first generally curved tube segment and the second generally straight tube segment further include at least one cavity irrigation hole extending from the tube passageway, for providing irrigation fluids into the cavity into which the stent is inserted. At least one segments includes a channel on an exterior surface. The channel is sized to serve as a reservoir to contain a predetermined amount of at least one form of medication for delivery, over a period of time, of the medication to a cavity region proximate which the stent has been inserted.11-05-2009
20090281481INTRAVENOUS CATHETER BLOOD CONTROL DEVICE - An apparatus to control blood flow through an intravenous catheter in accordance with the present invention may include a substantially resilient helical outer shell and an inner valve portion formed therein. The inner valve portion may be configured to open upon compressing the substantially resilient helical outer shell. In some embodiments, the inner valve portion may include mating portions that substantially align to provide fluid leakage therebetween. Compressing the substantially resilient helical outer shell by, for example, inserting a Luer device into a catheter adapter containing the substantially resilient outer shell, may cause the mating portions to misalign, thereby creating a fluid path.11-12-2009
20090281483Irrigation and aspiration devices and methods - Irrigation and/or aspiration devices and methods may be configured to aspirate and irrigate alone, sequentially, or concurrently. The devices and methods may provide a base with a removable head, and adapted for partial or complete separation of the irrigation and aspiration functions. The devices and methods can be configured to aspirate and/or irrigate the nasal and sinus cavities. The devices and methods may be manually and/or automatically controlled. The devices and methods may include removable, and/or replaceable, and/or refillable, and easily cleanable reservoirs for aspirant and irrigant. The device head and/or aspirant reservoir may comprise a diagnostic device, i.e., test device and/or container after use of the devices and methods.11-12-2009
20090281482Irrigation and aspiration devices and methods - Irrigation and/or aspiration devices and methods may be configured to aspirate and irrigate alone, sequentially, or concurrently. The devices and methods may provide a base with a removable head, and adapted for partial or complete separation of the irrigation and aspiration functions. The devices and methods can be configured to aspirate and/or irrigate the nasal and sinus cavities. The devices and methods may be manually and/or automatically controlled. The devices and methods may include removable, and/or replaceable, and/or refillable, and easily cleanable reservoirs for aspirant and irrigant. The device head and/or aspirant reservoir may comprise a diagnostic device, i.e., test device and/or container after use of the devices and methods.11-12-2009
20090299270LINE OF PERFUSION FOR LIQUID OF MEDICAL TREATMENT - The perfusion line includes a tap having two fluid inlet ways and one fluid outlet way, each fluid inlet way being fitted with luer type connector means, one of the fluid inlet ways including stopping means that can be deformed or moved between a first position in which the stopping means prevent a flow of fluid through the fluid inlet way including the stopping means, and a second position in which the stopping means allow a flow of fluid through the fluid inlet way including the stopping means, and an extender of which one of the ends, called the proximal end, is mounted on the fluid outlet way of the tap and of which the other end, called the distal end, is fitted with means for connection to a catheter.12-03-2009
20080275381Portable Instillation Apparatus and Method - The present invention relates to an improved apparatus and method for instilling fluid into a patient having an intestinal stoma thereby administering an antegrade colonic enema. The portable instillation apparatus comprising in combination: a fluid reservoir, a pump assembly, a control module, a fluid delivery line and an intestinal stoma catheter wherein the control module is operable to automatically stop fluid delivery to the intestinal stoma after a predetermined volume of fluid has been instilled at a predetermined flow rate and pressure range suitable for a particular patient. The portable instillation apparatus incorporates a unique gear pump manifold facilitating the portability, durability and reliability of the apparatus overcoming the disadvantages of traditional peristaltic pump mechanisms. The portable instillation apparatus is so engineered as to maximize the ease of transport and use of the device while also enabling a method for a patient to self-administer an antegrade colonic enema within a short time period and without intervention.11-06-2008
20080249461SEQUENTIALLY INFLATABLE BALLOONS FOR DELIVERY OF TREATMENT AGENTS - An apparatus including a cannula having a dimension suitable for insertion into a blood vessel and an expandable body coupled thereto, the expandable body comprising a first expandable member and a second expandable member to isolate a length of the vessel upon expansion within the blood vessel. The expandable body having an intermediate expandable member along a working length between the first expandable member and the second expandable. A method including introducing a cannula and an expandable body coupled thereto into a blood vessel at a point coextensive with a treatment site and expanding a first expandable member and a second expandable member of the expandable body to isolate a length of the vessel adjacent the treatment site. The method further including delivering a treatment agent to a vessel region between the first expandable member and the second expandable member while inflating and deflating an intermediate expandable member.10-09-2008
20120143123DIALYSIS CATHETER - A catheter assembly used for extracorporeal treatment, such as dialysis, of blood or other body fluid, includes an outer and inner catheter in a coaxial relationship. A fluid path is provided by a passageway defined between the catheters and a distal end of the outer catheter, and another fluid path is provided through a lumen and a distal end of the inner catheter. A sealing member is coupled to one of the catheters. The member in a first position is configured to permit the distal ends of the catheters to transport fluid, while in a second position the member is configured to inhibit at least one of the distal ends from transporting fluid. The sealing member may include a flared portion for enhance sealing. The sealing member may also have a portion extending outward from the catheters to position the distal ends away from vessel contact.06-07-2012
20090264811METHOD FOR ASPIRATING A SPACE WITHIN A BODY - Methods for aspirating a space within the body of a patient, such as the subdural space, including providing an evacuating port device having an evacuating lumen in fluid communication with the space in the body. A port aspiration device is mounted on the evacuating port device, creating fluid communication between an aspiration channel of the port aspiration device and the evacuating lumen. An instrument is positioned in the aspiration channel so that the instrument is capable of entering the evacuating lumen of the evacuating port device. The instrument can dispense medication and/or remove materials from the lumen or the space in the body. The evacuating port device can be mounted to a patient's skull.10-22-2009
20120143122MULTI-PORT INTERFACE DEVICE FOR USE WITH MEDICAL FLUIDS - An interface device for removing fluid from a surgical site by shaping the interface device in situ to place a set of openings, which are in fluid communication with a connection port adapted for connection to a vacuum source, in contact with at least a portion of the surgical site. This interface device having a connection port with a connection opening for connection to a vacuum source; a multiplicity of openings located on an exterior of the interface device and in fluid communication through the interface device to the connection port so that fluid may be drawn into the openings and removed by vacuum; and the interface device is adapted to allow a set of one or more hands to at least partially conform the interface device to at least a portion of the surgical site to place at least some of the multiplicity of openings in proximity to fluid.06-07-2012
20080287862Drive systems and methods of use - Drive systems and methods of use are disclosed herein for performing medical procedures on a patient. The drive systems include various handle types and triggers for controlling catheters and end effectors. The various handle types include a flexible handle and ambidextrous handles that can alter the handedness of the handle for particularized use. The handles drive articulation sections of the catheter and end effectors with various degrees of freedom, and include locks for holding the catheter and/or end effector in place. The catheter systems include structures for allowing degrees of freedom, such as notches, mechanical interlocks, and articulation joints. In addition, the catheters articulate via cables or fluids.11-20-2008
20100137783GASTRIC TUBE AND A METHOD FOR INTRODUCING A GASTRIC TUBE - The invention relates to a gastric tube for supplying or removing substances to or from the gastric tract of a patient, and to a method for introducing a gastric tube. In order to reduce the strain on the patient and the risk of injury, especially for patients with disturbed consciousness, the inventive gastric tube comprises a first tubular element (06-03-2010
20100137782DEVICE FOR CARRYING A PERITONEAL DIALYSIS TREATMENT - The invention concerns a device and a method for a peritoneal dialysis treatment in several cycles. A cycler (06-03-2010
20090036825METHOD AND APPARATUS FOR HOME DIALYSIS - The invention relates to home hemodialysis or peritoneal dialysis to be carried out by the patient or other non-professional users. The invention provides a system based on re-circulation of dialysate from small dialysate containers, which allows for very small dialysate consumption and easy portability. The system thereby also allows for long-duration dialysis without use of large volumes of dialysate. The invention may be implemented as a hemodialysis system, a process for administering dialysate, or as a method for performing dialysis.02-05-2009
20090182262VALVE ACTUATOR FOR CONTROLLING A MEDICAL FLUID - A machine for controlling a medical fluid includes a base and an actuator comprising an electroactive polymer and disposed on the base. The actuator is configured for movement between an extended position and a contracted position. A valve head is disposed on the actuator and adapted to engage a flexible membrane of a cassette against a valve seat of the cassette when the actuator is extended to perform a valving function to control the flow of a fluid within the cassette07-16-2009
20090024077METHOD OF INSUFFLATING THE INTERIOR OF A GASTRIC CAVITY OF A PATIENT. - A method of insufflating the interior of a gastric cavity of a patient by accessing the gastric cavity of a patient, sealing the pyloric sphincter so as to prevent passage of fluids therethrough, and introducing a fluid within said gastric cavity proximal to the pyloric sphincter.01-22-2009
20110230821Manual assembly for cardio-circulatory resuscitation - In one embodiment a large volume syringe pump assembly with a mechanism for facilitated manual driving (09-22-2011
20090093754Device for Treatment of Venous Congestion - A device for treatment of venous congestion provides for subcutaneous introduction of anticoagulant through an incision positioned within a collection shell for withdrawal of an effused material. A widened delivery tip provides dispersal of the anticoagulant and may be agitated to disrupt clot formation.04-09-2009
20120078166Systems and methods for nasal irrigation - Systems and methods for nasal irrigation are provided in which a nasal irrigation device includes a source of saline, an effluent receptacle, a nasal interface, a vacuum source, a fluid passageway to communicate the source of saline with the effluent receptacle through the nasal interface and a nasal cavity of the user, and a switch and valve assembly for selectively controlling the vacuum source and flow of the saline solution through the fluid passageway. The saline source is disposed relative to the device to provide gravitational inducement of saline to the nasal interface in engagement to the device user's nostrils. A combination of the gravitational inducement and the relative vacuum from the effluent receptacle generates a fluid flow for irrigating, cleansing and massaging the nasal cavity and ostia of a user. The entire device is assembled as a hand-held device for convenient lifting and disposal against the user's nostrils.03-29-2012
20130190681PREPARATION OF MEDICAL SOLUTIONS FROM POWDERY MATERIAL - A package has a transport/storage state for storing powdery material which is to be mixed with a solvent to form a medical solution. The package includes a compartment which is at least partially defined by two opposing wall portions, and a connector. In the transport/storage state, the compartment contains the powdery material in the form of at least two distinct sets of powdery material of different compositions, where the opposing wall portions are brought into engagement with the powdery material so as to immobilize the sets of powdery material. When used for preparation of the medical solution, a fluid is selectively admitted into the package via the connector so as to expand the compartment and enable mixing of the sets of powdery material with the solvent in the compartment.07-25-2013
20100185140DEVICES, SYSTEMS, AND METHODS FOR PROMOTION OF INFARCT HEALING AND REINFORCEMENT OF BORDER ZONE - Devices, systems, and methods for accessing tissue, including the internal and external tissues of the heart, are disclosed. At feast some of the embodiments disclosed herein provide access to the tissues surrounding the heart to facilitate myocardial infarct healing and border zone reinforcement. In at least one embodiment, a suction/infusion catheter is used to provide localized suction to an area of myocardial infarct. In another embodiment, a suction infusion catheter is used to deliver a glue-like substance and magnetic cells to a myocardial infarct border zone.07-22-2010
20100217178PREDICTION OF PERITONEAL DIALYSIS THERAPY OUTCOMES USING DIALYSATES MIXED AT DIFFERENT GLUCOSE CONCENTRATIONS - A method for peritoneal dialysis treatment includes (i) predicting results of a plurality of patient therapy outcomes for a plurality of different mixed dextrose level dialysis solutions; (ii) selecting one of the mixed dextrose level solutions for a patient based on the results; and (iii) performing at least one therapy using different unmixed dextrose level solutions that combine to simulate a like cumulative concentration that would be achieved using the selected mixed dextrose level solution.08-26-2010
20110130714Multifunctional Device And Methods For Tissue Surgery - A multifunctional device featuring a cartridge having first and second ports; first and second chambers which have outlets disposed at proximal ends connected to tubes that bifurcate to form intake lines and deposit lines, wherein one-way valves are disposed in the intake and deposit lines, wherein pistons are disposed in the chambers which oscillate between moving toward the proximal or distal end, when the piston moves toward the distal end a material can be drawn into the chamber and when the piston moves toward the proximal end the material can be pumped out of the chamber; and wherein the intake lines are formed from bifurcation of a main intake line fluidly connected to the first port; wherein the deposit lines feed into a main deposit line fluidly connected to the second port; wherein the device can pump material from the first port to the second port.06-02-2011
20100217179BULK DELIVERY PERITONEAL DIALYSIS SYSTEM AND METHOD - A peritoneal dialysis method includes (i) connecting smaller and larger supply containers to a junction, the smaller and larger supply bags both full of dialysate; (ii) allowing the junction to be connected to a patient's transfer set; allowing the patient to drain through the junction; (iii) allowing the patient to fill from the smaller supply container; and (iv) allowing the patient to refill the smaller supply container from the larger supply container.08-26-2010
20130218070DIALYSIS IMPLANT AND METHODS OF USE - A device and methods for treating renal failure are disclosed. One embodiment of the device is an implantable peritoneal dialysis device. When in use, the device can have a semi-permeable reservoir implanted in the peritoneal cavity. The reservoir can receive blood waste and drain through one or more conduits, via a pump, to the biological bladder. Solids and/or a solution benefiting dialysis can be pumped to the reservoir and/or implanted in the peritoneal cavity.08-22-2013
20100069829THERAPY DELIVERY SYSTEMS AND METHODS - Fluid removal systems and methods for removing fluid from a tissue site are presented. The system includes a semi-permeable inbound conduit, which is fluidly coupled to a treatment-fluid delivery unit, for placement proximate to a tissue site, and a semi-permeable outbound conduit, which is fluidly coupled to the inbound conduit and to a treatment-fluid collector, for placement proximate to the tissue site on the patient. The treatment-fluid collector receives the treatment fluid and a recruited fluid from the tissue site. A recruited-fluid determination unit may be coupled to the treatment-fluid collector to determine a volume of fluid recruited from the patient. The treatment fluid is any fluid (including a gas) that pulls fluid from the interstitial and intracellular space. A reduced-pressure treatment subsystem may also be included, among other things, for removing ascites and other fluids from a body cavity.03-18-2010
20100198137Coaxial Catheter Systems for Transference of Medium - A method, technique and system is disclosed for the delivery of therapeutic agents and/or into the bulk brain tissues and other parts, tissues and organs of the body, including vasculature. A novel form of coaxial catheter provides a means for implanting an outer tube into the brain, then inserting an inner tube into the outer tube and aligning them such that port holes on both of the tubes will overlap and permit a flux of the therapeutic agent to flow into the brain in such a way as to minimize the effects of trapped air, virtually eliminate backflow of the agent, and avoid the potential for additional damage to the brain since only one surgical placement of the outer tube is needed. Similarly, the method, technique system may be utilized to remove fluids or other medium from the brain, tissues, and organs to minimize the effects of escaped air or negative pressure.08-05-2010
20090318855DEVICES AND METHODS FOR IMPROVING INTRAVASCULAR UPTAKE OF AGENTS - This invention is generally related to therapeutic treatment of a coronary vessel wall, and more particularly, to systems and methods for improving uptake of therapeutic agents within the endothelium for enhanced delivery of therapeutic agents to a treatment site. A medical device is provided that is capable of reducing the pressure applied to a vessel wall and delivering a therapeutic agent into the vessel wall. Also, methods are described for using the device to facilitate delivery and uptake of a therapeutic agent into the vessel wall.12-24-2009
20080281256Centrifuge Functioning as Liposuction and Lipoinjection and Method Using the Same - Disclosed herein is a centrifuge having liposuction and lipoinjection functions. The centrifuge comprises an air pump for vacuum and compression, valves, and a controller, thereby sequentially performing liposuction, centrifugation, and lipoinjection processes for autologous fat grafting using a single instrument. More specifically, the centrifuge comprises a pump device consisting of the air pump mounted in a case of the centrifuge for vacuum and compression and the valves connected to the air pump and adapted to be automatically opened or closed to selectively perform vacuum or compression, the controller to control operation of the pump device, and a connector formed at a side of the case to connect the pump device with an external unit for performing vacuum and compression.11-13-2008
20100312173Devices and Methods for Delivering Medical Agents - Described are novel methods for delivering a medical agent to a plurality of locations within a patient tissue volume such as the interior space of a spinal disc, and also for removing material therefrom during medical agent delivery to enhance the delivery. Also described are medical delivery devices such as needle assemblies configured to facilitate the regional delivery of medical agents to patient tissue.12-09-2010
20100324473Arthroscopic fluid control device and method for controlling fluid flow in arthroscopic procedures - A fluid control device is attached to tubes carrying irrigation solution to form the system. The control device splits the flow through a fiber optic scope and a fluid control unit. The fluid control unit controls rate of flow and direction. The operator utilizing a fluid rate and flow direction control device easily controls the flow of fluid into the joint, out of the joint, or no flow. The increased flow prevents collapse of a joint space and maintains clear visualization. The fluid flow solely relies on a gravity feed by having a fluid reservoir positioned at a high point in the system. It contains no fluid pump, vacuum or electronic controller while safely and reliably performing the functions of more complex devices.12-23-2010
20100324474DEVICE FOR LIQUID MEDICAL SUBSTANCE VENOUS ADMINISTRATION - A method for administering a liquid medical substance in a vein. The method comprises inserting a plurality of tubular ducts into a target venous lumen, conducting a liquid medical substance via at least one of the plurality of tubular ducts (12-23-2010
20110213297Systems and Methods for Removing Undesirable Material Within a Circulatory System During a Surgical Procedure - A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is caputred by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.09-01-2011
20110034864PHACOEMULSIFICATION HANDPIECE PRESSURE BOOSTER - In various embodiments, a handpiece may include an irrigation line coupled to an adjacent line reservoir with a piston configured to move within the adjacent line reservoir to increase an irrigation pressure in the irrigation line near a surgical site. In some embodiments, a sensor may be used to detect an occlusion break in the aspiration line and information from the sensor may result in signaling an actuator to move the piston in response to the occlusion break detection to compensate for a vacuum pressure drop associated with the occlusion break. The handpiece may further include a purge bypass line between the irrigation line and the adjacent line reservoir to allow flow from the irrigation line to travel through the adjacent line reservoir to purge the adjacent line reservoir.02-10-2011
20110040241BLOOD ACCESS ASSEMBLY FOR ARTIFICIAL LUNG AND RIGHT VENTRICULAR ASSIST DEVICE - A system for providing access to at least one heart chamber for delivering and/or removing a fluid includes a selectively occludable conduit defining a lumen for providing access to an interior of at least one heart chamber from an exterior of a chest wall of the patient, and a dual lumen cannula adapted for passing through an interior lumen of the conduit. The selectively occludable conduit includes at least one balloon closure for substantially sealing an end of the conduit in fluid communication with the chamber of the heart. The dual lumen cannula includes a first, drainage lumen having at least one aperture for removing a fluid from the interior of the heart chamber, and a second, delivery lumen for delivering a fluid into the interior of the heart chamber. The delivery lumen may include an extendable infusion sleeve for delivering a fluid into an interior of the heart.02-17-2011
20090082719Injection device for the intervertebral disc - The intervertebral disc is avascular. With aging, calcified layers occlude the cartilaginous endplates, blocking the diffusion of nutrients and oxygen into the avascular disc. Under anaerobic condition, excessive production of lactic acid irritates nerves and further hinders transport of sodium sulfate essential for biosynthesis of the water retaining and load sustaining sulfated glycosaminoglycans. As the result of acid irritation and load shifting to facet joints, pain ensues. Through the pedicle, calcified endplate is punctured by a well-supported and elastically curved needle, injecting antacid to neutralize the lactic acid and enhance transport of sodium sulfate into the shielded discs between ilia. Disc filler or nutrients can also be injected through the curved needle into the degenerated disc.03-26-2009
20100063436Individually Positionable Pump System - A pump system for use in an anal irrigation system is provided. The pump system may include a click-on mechanism or it may include a peristaltic pump. The pump system is individually positionable such that a user may decide on the optimum position of the pump system. The click-on mechanism may be provided integrated within the pump or it may be provided separate from but connected to the pump. The pump system may include a programmable pump such that it upon starting carries out a predetermined sequence. A method of providing a system for anal irrigation including an individually positionable pump is also provided. Furthermore, methods of using a pump including a click-on mechanism and a peristaltic pump are provided.03-11-2010
20100056988Drains For Use In Medical Applications and Methods of Using the Same - A drain for use in medical applications may include an elongated conduit configured to be implanted in a body cavity, wherein the conduit has a proximal end and a distal end. The conduit may include at least one channel configured to drain fluid from the body cavity and at least one lumen extending from the proximal end to the distal end of the conduit. The lumen may be at least partially surrounded by the at least one channel and may be separated from the at least one channel by a wall. At least one hole in the wall may be configured to provide fluid communication between the lumen and the at least one channel.03-04-2010
20110082417DEVICE FOR PROVIDING SPONGY BONE WITH BONE SUBSTITUTE AND/OR BONE REINFORCING MATERIAL, BONE SUBSTITUTE AND/OR BONE REINFORCING MATERIAL AND METHOD - The present invention relates to a device for providing spongy bone with bone substitute and/or bone reinforcing material, wherein at least one perforating device (04-07-2011
20120065580SYSTEMS AND METHODS FOR POWER AND FLOW RATE CONTROL - Systems and methods for fluid control during aspiration. In an embodiment, an aspiration system includes an aspiration line having distal and proximal ends and an aspiration port defined in the distal end; a fluid transport device operatively coupled to the proximal end of the aspiration line; and a flow restrictor operatively coupled to the aspiration line in between the fluid transport device and the aspiration port. To measure occlusion within the line, first and second pressure sensors are utilized, the first sensor being operatively coupled to the aspiration line between the port and the restrictor and the second sensor being operatively coupled to the aspiration line between the restrictor and the fluid transport device. The pressure differential between the two sensors can provide an indication of the onset, presence, and/or elimination of an occlusion.03-15-2012
20120277664METHOD AND DEVICE FOR THE IRRIGATION AND DRAINAGE OF WOUNDS, TUBES, AND BODY ORIFICES - A multi-barrel syringe is disclosed for the dual function of delivering and drawing fluid from a target site. The syringe has at least two barrels that may be positioned coaxially relative to one another. One barrel may be pre-filled with sterile delivery fluid designed to irrigate catheter tubing. Another barrel may be provided for removing delivered fluid or other body fluid from a site. The syringe may orientate the barrels such that fluid passing in one barrel does not contact the other barrel. The syringe includes collapsible and extendable plungers for each barrel where each plunger is length adjustable. While in use, the syringe includes a locking mechanism to prevent movement of other plungers while one plunger is in use. Methods of using the described syringe are also provided.11-01-2012
20110034865Colonic Lavage Catheter - A colonic lavage catheter includes a head attached at an end of a suction tube and having both rearward and lateral fluid discharge openings. A pair of tubes extend along the suction tube with their ends attached to the head to place the rearward and lateral fluid discharge openings in fluid communication with a source of pressurized fluid. The suction tube includes a plurality of suction orifices through the outer wall along its length proximate the catheter head. A cleaning process may be performed by inserting the catheter head into the colon and then discharging fluid through the rearward openings to advance the catheter. At points along the colon, pressurized fluid may be discharged through the lateral discharge openings to lavage the adjacent walls of the colon, with suction being applied to draw the dislodged material into the suction tube through the suction orifices.02-10-2011
20100004589Apparatus for Peritoneal Dialysis - This invention relates to a device for peritoneal dialysis with a means for the regular discharge and reuptake of dialysate, which comprises a conduit with a catheter, wherein a measurement bag is present, in which dialysate can be introduced, wherein first means are provided, with which the static pressure in the conduit between catheter and measurement bag can be determined, and second means are provided, by means of which the dialysate volume flow can be introduced into the measurement bag for a certain period. In accordance with the invention, third means are present, by means of which the volume of the dialysate introduced into the measurement bag can be determined, and furthermore fourth means are present, by which the catheter resistance substantially can be calculated from the values determined by the first to third means.01-07-2010
20080243053METHOD FOR INSERTING A CANNULA INTO AN INFUSION SITE - A method for inserting a cannula of an infusion set into an infusion site includes releasably retaining a cannula cartridge of an infusion set on a distal end of a cannula insertion device plunger. The method also includes releasably retaining an infuser base on a distal end of a housing of the cannula insertion device. Subsequently, the method involves moving the plunger from a retracted position, wherein the cannula cartridge is remote from the infuser base, to an advanced position wherein the cannula cartridge is engaged with the infuser base and a cannula of the cannula cartridge has been subcutaneously inserted into an infusion site by a cannula insertion needle attached to the plunger.10-02-2008
20080243052Guide and Method for Inserting an Elongated Member Into a Patient - The present application is directed to guides for inserting an elongated member into a patient. The guide generally includes an elongated shape with a distal end that is positioned within the patient, and a proximal end that may be positioned outside of the patient. The guide may include a channel formed between sidewalls. The channel is sized to receive the elongated member and guide the member into a predetermined location within the patient. In one embodiment, the guide is used with an insertion device that may include a pivoting carriage for initially inserting the guide and then the elongated member into the patient. The guide may also be used in a freehand technique that is positioned specifically within the patient by the surgeon.10-02-2008
20090012447TEMPERATURE COMPENSATION FOR PNEUMATIC PUMPING SYSTEM - Temperature compensation is applied to correct for temperature mismatch between a reference chamber and a disposable chamber in a pneumatic pumping system for dialysis fluid for peritoneal dialysis. The mismatch creates an error in the calculation of pumping volume of dialysate fluid. Applying a correction for the temperature mismatch helps to more precisely control the volume of dialysate that is metered to the patient. Also disclosed are ways to keep temperatures constant and to use temperature sensors to accurately measure the temperatures of the chambers. In other aspects, the temperature of the dialysate fluid itself may be measured and used to apply a correction to the volume of fluid that is pumped to the patient.01-08-2009
20080281257Intragastric bag apparatus and method of delivery for treating obesity - A delivery system and method of use thereof for introducing an intragastric bag and filler strip into a gastric lumen are described. The delivery system includes a multi-lumen overtube, one or retractable hooks, an endoscopic looping device, and a pusher rod. The intragastric bag is attached and loaded into the overtube. The overtube is then deployed within the gastric lumen. A pusher rod pushes the distal end of the intragastric bag out of the overtube and into the gastric lumen. With the intragastric bag open, the filler strip is advanced into the intragastric bag using the pusher rod. The endoscopic loop is then tightened around the proximal end of the intragastric bag so that the filler strip remains entrapped within the intragastric bag.11-13-2008
20110054389Method and apparatus for cleaning a nasal passage - A portable device for cleaning a nasal passage is disclosed that includes: a first receptacle having a first opening and a first stop, a second receptacle, a power driven motor operable to deliver an adjustably continuous flushing pressure to the first receptacle and to provide an adjustably continuous vacuuming pressure to second receptacle. The portable device also includes a first pressure adjusting means operable to control the amount of the flushing pressure, and a second pressure adjusting means, operable to control the amount of the vacuuming pressure.03-03-2011
20110034863FLEXIBLE MEDICAL DEVICE FOR CLOT REMOVAL FROM SMALL VESSELS - A medical device and method of applying said medical device to deliver drugs and to remove thrombus or soft tissue clots from vascular or other lumens in a patient is presented. The medical device generally comprises an elongated tubular delivery member having a proximal portion and a distal portion that differ in rigidity and a leak-free connector that is in contact with the proximal portion of the delivery member and is compatible for use with fibrinolytic agents and application of a vacuum. The delivery member includes a metal core made out of multiple shaped-wire strands and a polymer overlay disposed about the core. The wire strands, which have both an A-side and a B-side, are helically wound to form a polygonal shaped lumen whose inner diameter is defined by the A-side of the strands.02-10-2011
20100280438BIDIRECTIONAL CEREBRAL SPINAL FLUID INFUSION CATHETER WITH COOLING MECHANISM AND METHOD OF USE - A device and method for delivering a treatment solution includes a bi-directional catheter comprising at least a first lumen and a second lumen, wherein the first lumen comprises a proximal end having an inflow portal and a distal end having an outflow portal, and the second lumen comprises a side wall having at least one inflow portal allowing for fluid communication from an outer surface of the side wall to an inner surface of the side wall and the second lumen further comprises a proximal end having an outflow portal. The device and method further include a pump having an input channel, a reservoir for receiving and containing the treatment solution, a cooling apparatus for cooling the treatment solution, and an output channel. The outflow portal of the second lumen of the catheter is in fluid communication with the input channel of the pump and the output channel of the pump is in fluid communication with the inflow portal of the first lumen.11-04-2010
20110137236FLUID DELIVERY SYSTEMS AND METHODS HAVING FLOATING BAFFLE AIDED AIR REMOVAL - A medical fluid delivery system includes a fluid disposable configured to hold and transport a medical fluid and an air separation chamber in fluid communication with the fluid disposable. The air separation chamber includes at least one fluid baffle floating within the air separation chamber and configured to separate air from medical fluid traveling through the chamber.06-09-2011
20100030133INTERACTIVE NGT SYSTEM - Disclosed is an NGT system, the system comprises a nasogastric tube having a diameter and length configured to pass through an esophagus such that the lumen of the NGT maintains fluid communication with a portion of the digestive tract, and a digestive tract sensor operatively associated with the NGT, the digestive tract sensor configured to sense from inside the body and transmit signals in response to one or both of conditions relating to nourishment states of the digestive tract, and positioning of the NGT.02-04-2010
20120150102METHOD FOR OPTIMIZING TIDAL THERAPIES EMPLOYING ULTRAFILTRATE TRENDING - A system and method for automatically adjusting a Continuous Cycling Peritoneal Dialysis (“CCPD”) therapy to minimize the potential for excess intra-peritoneal volume. The adjustments are made at the end of the drain, just prior to the next fill. The adjustments short the next fill, if necessary, to limit the intra-peritoneal volume, add a cycle, if necessary, to use all of the available dialysis solution and will average the remaining dwell time to maximize the therapeutic benefit of the therapy in the allotted time. In another embodiment, a tidal therapy using trended patient UF data is provided.06-14-2012
20110118659MULTI-PORT SYRINGE ASSEMBLY - A multi-port syringe assembly that allows fluid to be drawn into or injected out of the assembly. For example, the assembly may include one syringe that is used to aspirate fluid from a patient and another syringe to inject a medical fluid into the patient. As one medical application, the first syringe can withdraw fluid from a patient and the second syringe can be used to inject a steroid into the patient. The assembly may include a third syringe so that a second medical fluid can be injected into the patient. With a three syringe assembly an anesthetic can be injected into the patient before aspiration of fluid. Alternatively, the assembly may have a two-way valve located in the first proximal channel.05-19-2011
20120004601Interventional procedure drive and control system - A pumping system for use in medical applications where liquids must be infused and aspirated from a mammalian patient, and whose economics are such that it is cost effective to simply dispose of it after a single use. The system features positive displacement pump(s) such as reciprocating pump(s) containing a damping mechanism to dampen out the peaks and valleys in the fluid pressure that is pumped, which is important for preventing cavitation. The system furthermore features a shut-off valve on the extraction side so that certain injected fluids such as contrast medium, are not immediately pumped out of the patient. In a preferred embodiment, the system also features means for independently controlling the fluid pressure/volume on the infusion and extraction sides, self-priming capability, a continuous fluid path, and visual air bubble detection, with viewports located at important points in the fluid path, such as at pumps and valves.01-05-2012
20100004588NANOCLAY SORBENTS FOR DIALYSIS - Dialysis is enhanced by using nanoclay sorbents to better absorb body wastes in a flow-through system. Nanoclay sorbents, using montmorillonite, bentonite, and other clays, absorb significantly more ammonium, phosphate, and creatinine, and the like, than conventional sorbents. The clays may be used in wearable systems, such as a wearable peritoneal dialysis system, in which the dialysis fluid is circulated through a filter with nanoclay sorbents. Waste products are absorbed by the nanoclays and the dialysis fluid is recycled to the patient's peritoneum. Using the ion-exchange capability of the nanoclays, waste ions in the dialysis fluid are replaced with desirable ions, such as calcium, magnesium, and bicarbonate. The nanoclay sorbents are also useful for refreshing dialysis fluid used in hemodialysis and thus reducing the quantity of dialysis fluid needed for hemodialysis.01-07-2010
20120310149BURSITIS TREATMENT DEVICE AND METHOD - A bursitis treatment device (12-06-2012
20120310148METHOD FOR ADJUSTING A CONTINUOUS DIALYSATE VOLUME FLOW IN A DIALYSIS MACHINE AND DIALYSIS MACHINE - The present invention relates to a method for adjusting a continuous dialysate volume flow in a dialysis machine with at least two discontinuous pumps and a controller for generating a desired volume flow of the dialysate. In accordance with the invention, for generating a rather continuous, highly constant dialysate volume flow the energy for driving the pumps is set to be constant with a value determined corresponding to the pump-time volume of the respective pump and the delivered volume. The invention also relates to a dialysis machine for carrying out the aforementioned method.12-06-2012
20110166507DIALYSIS SYSTEMS AND METHODS HAVING DISPOSABLE CASSETTE AND INTERFACE THEREFORE - A medical fluid flow control system comprises an interface including a pump actuator port and a pump seal port, a membrane gasket including a pump actuation area and a pump aperture, and a pumping cassette including a flexible sheet and defining a pump chamber, a pump portion of the flexible sheet covering the pump chamber. The pump seal port is operable with the pump aperture to seal the pump portion of the flexible sheet to the pump actuation area of the membrane gasket and the pump actuator port is configured to move the pump portion of the flexible sheet and the pump actuation area of the membrane gasket at the pump chamber of the cassette.07-07-2011
20120059312PRESSURE ACTUATED FLOW CONTROL VALVE - A pressure actuated flow control valve for an infusion catheter permits gravity flow of a liquid through the catheter and into a patient while resisting back flow of blood from the patient and into the catheter. The valve has a hemispherical body with an outstanding circumferential flange and a normally closed, diametric slit. The slit is longer on the convex outer surface than on the concave inner surface. Dome thickness diminishes in the area adjacent the slit, reducing total apical deflection upon collapse of the slit toward the concave surface. An inner orthogonal rib biases the slit closed. Upon application of a predetermined pressure, the slit opens toward the concave surface to permit forward fluid flow. At lower pressures, the slit closes to check fluid flow. Greater reverse pressure is required to collapse the slit toward the concave surface to permit reverse fluid flow.03-08-2012
20090062725GASTRO-ESOPHAGEAL REFLUX CONTROL SYSTEM AND PUMP - An enteral feeding unit that reduces the occurrence of gastro-esophogeal-pharynegal reflux during feeding includes an automatable feeding pump with a feedback sensor for sensing a relative pressure in a patient's stomach and esophagus, and a regulator system for controlling and monitoring feeding rate to the patient as a function of the relative gastro-esophageal pressure. The system includes a stomach probe that provides a fluid-tight closure of the esophagus. The stomach probe includes a tampon-bladder for watertight closure of the esophagus, in which the tampon-bladder is formed of flexible and/or elastic material. At least an inner cavity of the bladder is provided for the reception of a fluid medium. A prescribed pressure for the medium in the tampon-bladder (03-05-2009
20110092892Body passage cleansing device - The present invention provides a body passage cleansing device suitable for being passed through an internal channel of an endoscope, comprising a distal plug having a proximal end and a distal end, wherein said plug comprises channels, apertures and/or nozzles which are capable of allowing the passage of a fluid therethrough from said proximal end to said distal end, wherein said plug is connected to the distal end of a wire or other actuating means; wherein at least an outer portion of said distal plug is capable of being elastically deformed such that the external diameter and/or outline thereof may be reduced in response to inwardly-directed compression forces exerted thereon; and wherein said channels, apertures and/or nozzles are in a closed conformation when said distal plug is subject to said compression forces, and in an open conformation when said plug is not subject to said compression forces.04-21-2011
20110092891SURGICAL CASSETTE APPARATUS - A surgical cassette arrangement is provided. The arrangement includes a flow selector valve configured to operate with a handpiece to selectively irrigate and aspirate fluid with respect to an ocular region. The flow selector valve includes at least three ports, with one port fluidly connectable to the handpiece. The arrangement further includes a reservoir fluidly connected to a second port of the flow selector valve via a first flow segment and configured to receive fluid from the flow selector valve, and a collector fluidly connected to a third port of the flow selector valve via a second flow segment and configured to receive fluid from the flow selector valve and from the reservoir. The flow selector valve selectively controls irrigation and aspiration flow to the handpiece and ocular region.04-21-2011
20120071814BARRIER CATHETER - Devices and methods are provided to conduct fluid away from or deliver fluid to an area of a treatment site of a patient's body. In one example, a catheter includes a fluid exchange portion and a member attached to the fluid exchange portion for biasing fluid flow at the treatment site.03-22-2012
20120157912Systems and Methods For Small Bore Aspiration - An assembly for a phacoemulsification surgical system includes an aspiration system arranged to aspirate fluid from a surgical site. The aspiration system includes an aspiration path within the phacoemulsification hand piece and includes a flexible small bore aspiration tubing in fluid communication with the aspiration path. The small bore aspiration tubing has a nominal inner diameter smaller than about 0.050 inch to reduce levels of occlusion surge within the surgical system. A high-output, peristaltic pump communicates with the small bore aspiration tubing and is operable to create a flow through the small bore aspiration tubing.06-21-2012
20120157913CATHETER APPARATUS AND METHOD FOR ATHEROLYSIS - An atherolysis catheter comprises a catheter body and one or more isolation balloons. A distal section of the body comprises infusion and aspiration ports in fluid communication with infusion and aspiration lumens for delivering and collecting fluids. A pump delivers infusate through the infusion lumen, and a valve in the infusion port controls release of the infusate into a target location in the vasculature.06-21-2012
20110087161DEVICE FOR PROVIDING SPONGY BONE WITH BONE SUBSTITUTE AND/OR BONE REINFORCING MATERIAL, BONE SUBSTITUTE AND/OR BONE REINFORCING MATERIAL AND METHOD - The present invention relates to a device for providing spongy bone with bone substitute and/or bone reinforcing material, wherein at least one perforating device (04-14-2011
20100094201ASSISTED ASPIRATION CATHETER SYSTEM - A thrombectomy system comprising an aspiration catheter having an aspiration lumen and a high pressure irrigation lumen, the aspiration catheter having a proximal end and a distal, and a control box fluidly connected to the aspiration catheter and configured to synchronously provide irrigation and vacuum through the aspiration catheter.04-15-2010
20090131857Method and apparatus for introducing a medicinal dose directly into a mammalian patient's cerebrospinal fluid - A method and apparatus for introducing a medicinal dose directly into a mammalian patient's cerebrospinal fluid. One embodiment of the present invention comprises implanting a first and second device in a mammalian patient to administer the medicinal dose. The first device comprises a ventricular catheter, a reservoir with a built-in one-way valve, and a drug port with pump, wherein the three components are in fluid communication. The second device comprises a drug port-catheter system in fluid contact with lumbar sub-arachnoid space.05-21-2009
20120232469MEDICAL FLUID DELIVERY SETS AND RELATED SYSTEMS AND METHODS - This disclosure relates to medical fluid delivery sets and related systems and methods. In some aspects of the invention, a medical fluid delivery set includes a syringe connected to a series of interconnected fluid lines. The syringe includes a medical fluid containment cylinder and a plunger assembly that can be axially moved relative to the medical fluid containment cylinder. The plunger assembly includes an inner plunger shaft including a seal that is slidably disposed within the medical fluid containment cylinder and an outer plunger shaft that at least partially surrounds the inner plunger shaft to form a space between an outer surface of the inner plunger shaft and an inner surface of the outer plunger shaft that is sized to receive a wall of the medical fluid containment cylinder therein.09-13-2012
20120220926METHOD AND DEVICE TO TREAT KIDNEY DISEASE - The invention relates to a method and device for dialysis and or bulk fluid removal by generating a fibrosis chamber within a body cavity and performing dialysis or bulk fluid removal. An implantable medical device is described having a fibrosis chamber and a pump. A dialysis chamber and an optional electrodialysis unit can further be provided. An additional controller uses sensory feedback to regulate the fluid levels by altering the extracellular fluid retention within the fibrosis chamber. This device can be used for the treatment of patients with chronic kidney disease who may also be suffering from cardiorenal syndrome and hypertension.08-30-2012
20110184339INTELLIGENT AUTOMATIC PERITONEAL DIALYSIS - An intelligent automatic peritoneal dialysis device injects a dialysate accommodated in a dialysate container into a live animal via an input duct, elicits a waste liquid from the animal via an output duct, and concentrates the waste liquid in a waste liquid container. A flow direction control valve controls the flow direction of the dialysate and the waste liquid during the overall peritoneal dialysis treatment process.07-28-2011
20120083729Peritoneal dialysis machine - A method for operating a dialysis cassette including a flexible membrane that covers a pump chamber includes applying a vacuum about a piston head and sucking the flexible membrane of the dialysis cassette onto the piston head; mechanically retracting the piston head along with the vacuum applied membrane away from the dialysis cassette to draw fluid into the pump chamber; mechanically extending the piston head and the flexible membrane into the pump chamber to expel fluid from the pump chamber through a flow path; and directly sensing a pressure of the fluid flowing through the flow path at a location of the dialysis cassette adjacent to the pump chamber.04-05-2012
20120215159DRAIN AND FILL LOGIC FOR AUTOMATED PERITONEAL DIALYSIS - A system and method for automatically adjusting a Continuous Cycling Peritoneal Dialysis (“CCPD”) therapy to minimize the potential for excess intra-peritoneal volume. The adjustments are made at the end of the drain, just prior to the next fill. The adjustments short the next fill, if necessary, to limit the intra-peritoneal volume, add a cycle, if necessary, to use all of the available dialysis solution and will average the remaining dwell time to maximize the therapeutic benefit of the therapy in the allotted time. In another embodiment, a tidal therapy using trended patient UF data is provided.08-23-2012
20120259276PUMPING SYSTEMS FOR CASSETTE-BASED DIALYSIS - A dialysis machine includes: a hardware unit including at least one pump actuator, at least one valve actuator and a cassette interface, the cassette interface including: (i) a plate that abuts the cassette; (ii) at least one pump aperture defined by the plate; (iii) at least one pump head moveable out of and retractable into the at least one pump aperture to operate a pumping portion of the cassette; (iv) at least one valve aperture defined by the plate; (v) at least one valve apparatus moveable out of and retractable into the at least one valve aperture to operate a valve portion of the cassette; (vi) at least one sensor aperture defined by the plate; and (vii) at least one sensor located in the least one sensor aperture, the at least one sensor operable with a sensor portion of the cassette.10-11-2012
20120259275SYSTEMS AND METHODS FOR DELIVERY OF PERITONEAL DIALYSIS (PD) SOLUTIONS - The invention provides container systems, kits and methods for peritoneal dialysis (PD) solutions. Such a system, for example, includes a first compartment that contains a PD osmotic agent and a second compartment that contains a PD buffer agent. The compartments maintain their respective contents separately from one another for purposes of transport, storage and/or sterilization. However, the compartments are fluidly couplable, so that their respective contents can be combined with one another, e.g., following sterilization of the agents and prior to their introduction into the patient's abdomen. The invention provides, in other aspects, such systems, kits and methods that provide protective structure which inhibits breaking of a seal prior between the second compartment and an outlet of the system, prior to breaking of a seal between the first and second compartments.10-11-2012
20120259274THERAPY DELIVERY SYSTEMS AND METHODS - Fluid removal systems and methods for removing fluid from a tissue site are presented. The system includes a semi-permeable inbound conduit, which is fluidly coupled to a treatment-fluid delivery unit, for placement proximate to the tissue site, and a semi-permeable outbound conduit, which is fluidly coupled to the inbound conduit and to a treatment-fluid collector, for placement proximate to the tissue site of a patient. The treatment-fluid collector receives a treatment fluid and a recruited fluid from the tissue site. A recruited-fluid determination unit may be coupled to the treatment-fluid collector to determine a volume of fluid recruited from the patient. The treatment fluid is any fluid (including a gas) that pulls fluid from the interstitial and intracellular space. A reduced-pressure treatment subsystem may also be included, among other things, for removing ascites and other fluids from a body cavity.10-11-2012
20120253267COMBINED OTIC AND MEDICATION DISPENSER AND METHOD FOR TREATING OTIC INFECTIONS - A method of treating a mammal presenting with an otic infection attributable to a pathogenic bacteria is accomplished by passing a hollow shaft having a first and second end through the tympanum of the mammal. The first end is sufficient to pierce the tympanic membrane, but flexible enough such that it buckles under the force necessary to damage any surrounding tissues in the tympanic cavity. The first end of the hollow shaft, after it pierces the tympanic membrane, extends into the tympanic cavity to aspirate a volume of effluence contained therein. The aspirated effluence is expelled out the second end of the hollow shaft. A volume of medicament (less than the volume of effluence withdrawn) is then injected through the same hollow shaft and into the tympanic cavity to treat the infection.10-04-2012
20120259273Bi-Directional Perfusion Cannula - A bi-directional perfusion cannula is provided that includes an elongate tube for insertion into an artery. The elongate tube has a first aperture at a distal end of the tube which is forward during insertion and configured so that blood can flow into the artery in the direction of insertion, an elbow formed in the elongate tube, and a second aperture formed in or slightly rearward of the elbow and configured for supplying blood into the artery in a second direction which is generally opposite to the insertion direction.10-11-2012
20120232470Multi-Path Catheter - A multi-path catheter includes an elongate tubular member and a withdrawal pathway along which unfiltered fluid is withdrawn in a distal to proximal direction. The withdrawal pathway originates at a distal point and is at least partially defined by the elongate tubular member. The elongate tubular member also defines, at least partially, at least one infusion pathway along which filtered fluid is returned in a proximal to distal direction. The at least one infusion pathway extends distally beyond the withdrawal pathway. First and second legs of the elongate tubular member are positioned on opposing sides of the withdrawal pathway at the distal point, and the at least one infusion pathway is at least partially defined by one of the first and second legs. The first and second legs have outer walls that are unattached to one another at distal ends thereof.09-13-2012
20080300532ENHANCED CROSS STREAM MECHANICAL THROMBECTOMY CATHETER - An enhanced cross stream mechanical thrombectomy catheter with backloading manifold having a distal end with outflow and inflow orifices at one side for producing concentrated cross stream jet flow for selective and concentrated thrombus ablation during thrombectomy procedures. The invention provides for suitable distancing of high powered ablation or suction forces from the near walls of the vasculature. Cross stream flow emanating from the one side of the distal end of the catheter resultantly urges the distal end of the catheter and thus the opposing non-orificed side of the distal end of the catheter toward and against the vascular wall to inhibit contact of the inflow orifice with the vascular wall. Features of the invention include a geometrically configured insert to facilitate the backloading or exchange of guidewires.12-04-2008
20110046547Device for the Extravascular Recirculation of Liquid in Body Cavities - Biocompatible liquid is pumped into a body cavity (e.g., subarachnoid space, peritoneum, mediastinum, pleural space) by means of one pump and removed from it by means a second pump, preferably via a double-barreled catheter is used for insertion and removal of the liquid. An optional secondary catheter removes liquid from a distal area of the body cavity. Temperature and pressure are sensed within the cavity and can be controlled by adjusting liquid flow rates. While outside the body, the liquid can be ultraviolet-sterilized, foam fractionated to remove contaminants, oxygenated and pH balanced, cooled or warmed, and augmented with exogenous liquid that may contain drugs.02-24-2011
20120323168CATHETER WITH ASSOCIATED EXTENSION LUMEN - An intra-luminal device for the extraction of occlusive or partially occlusive material is disclosed. Said device comprises a novel catheter extension which minimizes cavitation of extracted fluids and also allows the better navigation of tortuous lumens or vasculature.12-20-2012
20120289892SYSTEMS AND METHODS FOR CLEANING BODY CAVITIES - Systems and methods for cleaning body cavities are presented. Some embodiments reduce size of fecal matter pieces within an evacuation conduit. Some comprise devices and methods for purging an evacuation conduit. Some comprise reduced cross-sectional profiles of a cleaning device. Some protect intestinal tissue by preventing exposure to excessively high and low pressures.11-15-2012
20120289891System and Methods for Motorized Injection and Aspiration - A motorized injection and aspiration system and methods for its use, where the motorized injection and aspiration system comprises (a) a syringe coupled to a needle, wherein the syringe includes a plunger, (b) a cannula, (c) a tube having first and second ends, wherein the first end is coupled to the needle and the second end is coupled to the cannula, (d) a syringe driver to drive the plunger, (e) at least one foot pedal, (f) a step motor, and (g) a control unit in communication with the step motor, the syringe driver and the at least one foot pedal.11-15-2012
20100168651DEVICES, SYSTEMS, AND METHODS FOR MYOCARDIAL INFARCT BORDER ZONE REINFORCEMENT - Devices, systems, and methods for myocardial infarct border zone reinforcement. In at least one embodiment of a suction/infusion catheter for facilitating myocardial infarct border zone reinforcement, the catheter comprises one or more apertures defined along a portion of the catheter at or near a distal end of the catheter, a first configuration when the suction/infusion catheter is at least partially extended from a delivery catheter, and a second configuration when the at least one suction/infusion catheter is positioned within the delivery catheter, the second configuration different from the first configuration, wherein the suction/infusion catheter, when introduced into a pericardial space surrounding a heart at or near a myocardial infarct border zone, is operable to inject a glue-like substance through a lumen of the suction/infusion catheter and out from the one or more apertures to deliver the glue-like substance into the pericardial space at or near the myocardial infarct border zone.07-01-2010
20130012870PRESSURE ACTUATED FLOW CONTROL VALVE - A pressure actuated flow control valve for an infusion catheter permits gravity flow of a liquid through the catheter and into a patient while resisting back flow of blood from the patient and into the catheter. The valve has a hemispherical body with an outstanding circumferential flange and a normally closed, diametric slit. The slit is longer on the convex outer surface than on the concave inner surface. Dome thickness diminishes in the area adjacent the slit, reducing total apical deflection upon collapse of the slit toward the concave surface. An inner orthogonal rib biases the slit closed. Upon application of a predetermined pressure, the slit opens toward the concave surface to permit forward fluid flow. At lower pressures, the slit closes to check fluid flow. Greater reverse pressure is required to collapse the slit toward the concave surface to permit reverse fluid flow.01-10-2013
20130012869NASAL IRRIGATION SYSTEMS - Nasal irrigation systems for irrigating and/or rinsing a subject's nasal cavity are disclosed herein. Irrigation fluid may be drawn through the nasal cavity while utilizing a staged treatment procedure which allows for an initial infusion or flushing of irrigation fluid, circulation of the fluid, and subsequent flushing of the effluent from the nasal cavity. The system allows for reversible flow of the fluid during irrigation as well as use of vibration to disrupt debris within the nasal cavity to facilitate the mixing and removal of the debris. Additionally, peristaltic flow of the irrigation fluid may be used to facilitate contact between the fluid and debris during fluid circulation. Moreover, the irrigation fluid may also incorporate air or a gas into the fluid flow to create discrete volumes or boluses of pressured fluid to further facilitate thorough irrigation of the nasal cavity.01-10-2013
20130018301Dialysis Systems and Methods - This invention relates to dialysis systems and methods. In some implementations, a method includes applying vacuum pressure to a device of a dialysis system, and then determining, based on a detected fluid level or measured pressure, whether the device is functioning properly.01-17-2013
20110160649AUTOMATED PERITONEAL DIALYSIS CYCLER AND METHODS OF USE - Automated peritoneal dialysis (APD) cycler systems and methods are disclosed. The APD cycler can include a heater tray with load cells configured to measure the weight of fluid contained within a heater bad and/or a drain bag. The load cells can be toggleable between enabled and disabled configurations. The APD cycler can include a pressure-based volume measurement system, which can be used to confirm measurements made by the load cells. In some embodiments, the APD cycler can have algorithms for tracking an estimated patient volume to prevent overfilling the patient.06-30-2011
20130023818DEVICE AND METHOD FOR DELIVERING MEDICINE INTO THE TYMPANIC CAVITY,WITH SLIDING ASSIST - A device for substance delivery to and/or extraction from the tympanic cavity, comprising: a stationary body having a distal surface, a proximal surface; a movable body having a distal surface and a proximal surface, disposed within the stationary body and free to move relative to the stationary body; at least one piercing element having a distal end and a proximal end, disposed in the movable body; and a means for moving the movable body relative to the stationary body.01-24-2013
20080255500METHOD FOR DRUG DELIVERY TO ANIMALS - A method for delivering a fluid to an animal with a drug delivery device without causing contamination to the drug delivery device. The drug delivery device used by the method may comprise a fluid subsystem with a switching device, disposable syringes, fluid reservoirs, disposable tubing, and a catheter. In one embodiment, the method allows a user to deliver multiple drugs to an animal without contaminating the valves that control the flow of fluid.10-16-2008
20080255499Compositions for Peritoneal Dialysis - Disclosed herein are a composition for peritoneal dialysis comprising an α-keto amino acid, and a method for peritoneal dialysis using the same. The composition allows peritoneal dialysis to be effected without the problems accompanying conventional compositions, including tissue toxicity and uremia.10-16-2008
20130172806METHOD AND DEVICE FOR PREPARING MEDICAL TREATMENT DEVICES - The present invention is in the field of control of medical treatment devices, in particular devices for dialysis. The invention is based on the object of making the control of medical treatment devices more flexible and more convenient and expanding the possibility of programming and outputting individual action instructions. To do so, individual frontends are kept on hand for the treatment and for the medical treatment device, these frontends generating on external devices a phase list which is transferred to and then controls the medical treatment device.07-04-2013
20130178790INFUSION CATHETER - The disclosure provides an apparatus and methods for removing thrombosis in vessels. The apparatus includes a sheath catheter combined with an aspiration catheter. The sheath catheter includes a first sheath opening in a proximal end of the sheath catheter, a second sheath opening in a distal end of the sheath catheter, a first balloon disposed on an outer surface of the distal end of the sheath catheter, and a passageway extending between the first and second sheath openings. The aspiration catheter is configured to pass through the first and second sheath openings and the passageway of the sheath catheter. The aspiration catheter includes a second balloon, a plurality of infusion ports, and an aspiration port disposed on an outer surface of a distal portion of the aspiration catheter. A relative position between the sheath catheter and the aspiration catheter controls the number of unblocked infusion ports.07-11-2013
20080221507Systems and Methods for Nasal Irrigation - Systems and methods for nasal irrigation are provided in which a nasal irrigation device includes a source of saline solution, an effluent receptacle, a nasal interface, a vacuum source, a fluid passageway to communicate the source of saline solution with the effluent receptacle through the nasal interface and a nasal cavity of the user, and a switch and valve assembly for selectively controlling the vacuum source and flow of the saline solution through the fluid passageway. The saline solution source bottle is disposed relative to the device to provide gravitational inducement of saline solution to the nasal interface in engagement to the device user's nostrils. A combination of the gravitational inducement and the relative vacuum from an effluent receptacle generates a fluid flow for irrigating, cleansing and massaging the nasal cavity and ostia of a user. The entire device is assembled as a hand-held device for convenient lifting and disposal against the user's nostrils.09-11-2008
20120253266Extradural Infusion Suction System and Method to Drain Fluid Collection in the Extradural Space of Spinal Cord - A minimally invasive method of and apparatus for aspirating purulent material from an epidural abscess, or the like, in a patient includes a dual concentric catheter system having an inner infusion catheter and an outer suction catheter, the infusion catheter able to be advanced relative to and beyond the suction catheter. The catheter system is introduced into the extradural space through percutaneous entry and advanced to an epidural abscess of interest. Infusion is used to dislodge purulent material ahead of the infusion catheter toward side openings in the suction catheter where it is aspirated.10-04-2012
20130172805SURGICAL FLUID MANAGEMENT SYSTEMS AND METHODS - A fluid management system for use with a fluid reservoir includes an inflow pump and an outflow pump. The inflow pump is connectable to a probe for delivering a distention fluid to a body cavity. The outflow pump removes the distention fluid through the same probe, thus establishing a re-circulating volume of distention fluid within the body cavity. The removed fluid is filtered and returned to a fluid reservoir for eventual recycling to the body cavity. A controller adjusts the flow rates of the inflow pump and the outflow pump to maintain a pre-selected fluid pressure or volume within the body cavity.07-04-2013
20130138035RETINAL SURGERY - Systems, processes, and computer program products may be used to perform retinal surgery. In particular implementations, a system, a process, and a computer program product may include the ability to inject a retina manipulation fluid into an eye through an injection/extraction system and apply negative pressure to the injection/extraction system to facilitate extraction of fluid from the eye. The system, the process, and the computer program product may also include the ability to adjust the applied negative pressure.05-30-2013
20130096492STIMULATION OF CARTILAGE FORMATION USING REDUCED PRESSURE TREATMENT - System and methods for stimulating cartilage formation at a first tissue site through a second tissue site is presented. The system includes a fluid source for supplying a therapeutic solution, a reduced pressure source for supplying reduced pressure, a fluid delivery manifold for deploying adjacent the first tissue site, and a vacuum manifold for deploying within the second tissue site The fluid delivery manifold extends between a proximal end fluidly coupled to the fluid supply and a distal end having at least one aperture for delivering the therapeutic solution to the defect adjacent the articulating surface of the first tissue site. The vacuum manifold extends between a proximal end fluidly coupled to the reduced pressure source and a distal end having at least one aperture for delivering the reduced pressure to the first tissue site adjacent the opposing surface of the first tissue site04-18-2013
20130131582SYSTEMS AND METHODS FOR PERFORMING PERITONEAL DIALYSIS - A regenerative peritoneal dialysis system includes a dialysis fluid loop; a filter located in the dialysis fluid loop, a first portion of the dialysis fluid sent to the filter rejected by the filter and returned upstream of the filter, a second portion of the dialysis fluid sent to the filter forming permeate, the permeate being rich in urea; and a urea removing apparatus located in the dialysis fluid loop downstream from the filter to receive the permeate and absorb urea from the permeate.05-23-2013
20130131584Anti-Extravasation Catheter - The disclosed devices and methods provide for the minimization of fluid extravasation during use of infusion catheters such as peripherally inserted central catheters and central venous catheters. The anti-extravasation catheter allows a surgeon to drain fluids from soft tissue surrounding an infusion site while also providing fluid inflow to a patient.05-23-2013
20130131583TRANSFER SETS FOR THERAPY OPTIMIZATION - Transfer sets are disclosed in the present patent. The transfer set provides a connection between a source of peritoneal dialysis fluid and a patient for whom peritoneal dialysis has been prescribed. The transfer sets disclosed herein are smaller and provide a more compact and convenient device by which a dialysis patient controls the flow of dialysis fluid to and from the peritoneum of the patient. The devices are more compact and convenient because they include more convenient mechanisms for starting and stopping flow of the dialysis fluid. It is also easy to determine whether the mechanism is in a closed or open configuration by simply looking at the mechanism.05-23-2013
20130131581METHOD OF OPERATING A DIPSOSABLE PUMPING UNIT - A method of operating a disposable pumping unit includes enabling the disposable pumping unit to be loaded into a peritoneal dialysis hardware unit between a door and a housing of the hardware unit; structuring the disposable pumping unit to have a fluid pump receptacle, the fluid pump receptacle constructed and arranged to extend from both surfaces of the unit so as to fit within a first opening provided in the door and a second opening provided in the housing of the hardware unit; and enabling the disposable pumping unit to be guided into the hardware unit such that the fluid pump receptacle becomes aligned with the opposing first and second openings when the door is closed against the housing.05-23-2013
20130144205DEVICE FOR LIQUID MEDICAL SUBSTANCE VENOUS ADMINISTRATION - A method for administering a liquid medical substance in a vein. The method comprises inserting a plurality of tubular ducts into a target venous lumen, conducting a liquid medical substance via at least one of the plurality of tubular ducts (06-06-2013
20130158469DIALYSIS MACHINE WITH ELECTRICAL INSULATION FOR VARIABLE VOLTAGE INPUT - A dialysis machine includes: a source of dialysis solution; a pump configured to pump the dialysis solution; a heater configured to heat the dialysis solution; an electrical input receiving power from a remote power source; and a housing supporting the pump, the heater and the electrical input, the housing including an electrical insulation rated for 240 VAC such that the remote power source can be either 110 or 240 VAC.06-20-2013
20130150780METHOD AND APPARATUS FOR MONITORING AND CONTROLLING PERITONEAL DIALYSIS THERAPY - A method of performing peritoneal dialysis is provided. The method involves sensing a pressure in a fluid upstream or downstream of a pump chamber and adjusting a planned peritoneal dialysis treatment based on the sensed pressure to avoid an alarm condition. An intra-peritoneal pressure may be sensed and may be related to a head height of a peritoneal dialysis patient relative to a pump actuation. The fill volume to the peritoneal dialysis patient may also be limited due to the sensed pressure.06-13-2013
20130158470Fluid Exchange Catheter System - A method of infusing and aspirating fluid from the body is provided. The method includes providing a catheter system which includes an inner lumen, the proximal end of which is connected to an infusion mechanism configured to control infusion of a fluid, and an outer lumen, the proximal end of which is connected to an aspiration mechanism configured to control aspiration of fluid from the body. The method also includes activating the infusion mechanism to infuse fluid into the body for a first infusion time period and at a first infusion pressure, disabling the infusion mechanism to stop infusion, and activating the aspiration mechanism to aspirate fluid for a first aspiration time period and at a first aspiration pressure.06-20-2013
20120283627METHOD FOR COMBINED GASTROINTESTIONAL FEEDING AND ASPIRATION - A method is provided in which continuous suction alternately removes fluid through an aspiration lumen from the stomach and adjacent small intestine and returns the fluid with gravity a short distance downstream. The only aspirate permanently discarded is that volume of inflow to the feeding site that momentarily exceeded peristaltic outflow. Feeding is also continuous, which allows for a smaller and more comfortable feeding tube. This frequent aspiration and feeding serves to provide the maximum safe nutrition, while preventing overfeeding and its associated risks of intestinal distention.11-08-2012
20130184638MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES - A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include a control system that can adjust the volume of fluid infused into the peritoneal cavity to prevent the intraperitoneal fluid volume from exceeding a pre-determined amount. The control system can adjust by adding one or more therapy cycles, allowing for fill volumes during each cycle to be reduced. The control system may continue to allow the fluid to drain from the peritoneal cavity as completely as possible before starting the next therapy cycle. The control system may also adjust the dwell time of fluid within the peritoneal cavity during therapy cycles in order to complete a therapy within a scheduled time period. The cycler may also be configured to have a heater control system that monitors both the temperature of a heating tray and the temperature of a bag of dialysis fluid in order to bring the temperature of the dialysis fluid rapidly to a specified temperature, with minimal temperature overshoot.07-18-2013
20130123683DEVICE FOR SAMPLING AND REINJECTING A FLUID, AND RELATED INJECTOR AND SAMPLING KIT - A device includes a hollow body delimiting a cavity for receiving the fluid, which cavity opens in a proximal opening and at least one distal opening for sampling and/or reinjection and a piston movably mounted in the receiving cavity to obturate the proximal opening. The device includes an assembly for selective distribution of a proximal part of the fluid located in the receiving cavity, including a fluid circulation channel that passes through the piston, which channel opens into the receiving cavity. The circulation channel and/or a distribution channel is able to cooperate or to communicate with an additional flow regulation device which can be manually actionable.05-16-2013
20130190680INTEGRATED CEMENT DELIVERY SYSTEM FOR BONE AUGMENTATION PROCEDURES AND METHODS - A bone cement delivery system for vertebroplasty with a cannula having a rigid metal tubular inner wall surrounding a central conduit with a distal outlet port, a rigid metal tubular outer wall extending around the inner wall to define a peripheral conduit with a distal inlet port in the form of fenestrations defined in the tubular outer wall, unobstructed and directly exposed to an environment of the delivery system, a proximal inlet port in communication with the central conduit and a proximal outlet port in communication with the peripheral conduit. A vacuum pump communicating with the proximal outlet port of the peripheral conduit applies a pressure in the range of 10 to 100 KPa to create a pressure gradient between the central conduit and the peripheral conduit to produce a difference in flow rate between the conduits guiding the displacement of bone fluid and the flow of cement.07-25-2013
20130197428Peritoneal Dialysis Method - A method of dialyzing renal failure patients via the peritoneum (P.O.) using a series of innovations in the dialysate composition aiming at preventing the intra vascular or intra peritoneal formation and deposition of calcium/phosphate compounds which having no excretory pathway are deposited in soft tissue and are the cause of cardiovascular related morbidity and mortality. Additionally this method allows for the use of the physiologic buffer (bicarbonate) which will improve the acid base balance and prolong the functional life of the peritoneum as the dialysis membrane.08-01-2013
20130204181DUAL-MODAL IMAGING-GUIDED DRUG VEHICLE WITH ULTRASOUND-TRIGGERED RELEASE FUNCTION - Present invention relates to a dual-modal imaging (magnetic resonance and ultrasound)-guided drug vehicle and system, which possess encapsulation of hydrophobic drug and ultrasound-triggered release function. In the delivery system of the invention, the drug vehicle carrying certain drug (or drugs) is detectable by magnetic resonance imaging, and the release of drug is triggered by ultrasonication when the drug vehicle arrives at target site and accumulates to a desirable concentration. The MRI-guided drug delivery system provides improved accuracy of drug releasing, including position and timing.08-08-2013

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