Class / Patent application number | Description | Number of patent applications / Date published |
606190000 | Blunt dissectors | 75 |
20080243164 | Tissue Moving Surgical Device - Devices and methods for moving tissue and/or moving the devices relative to the tissue during a surgical procedure are disclosed. The devices and methods disclosed herein can be used in conventional, open surgical procedures, they are particularly useful in minimally invasive surgical procedures, such as laparoscopic and endoscopic procedures. In one aspect, the movement or tissue and/or the device is effected by moving a fabric associated with the device and in contact with tissue. | 10-02-2008 |
20080249556 | DISSECTION APPARATUS AND DISSECTION METHOD - A dissection apparatus includes a main body portion which extends from a proximal end side to a distal end side, and a dissecting portion which is provided to a distal end of the main body portion and adapted to dissect a blood vessel from a living tissue, the dissecting portion including a flat portion which is to be pressed against the blood vessel. | 10-09-2008 |
20080255600 | Endoscopic Dissector - A dissection device comprising an elongate cannula having proximal and distal ends and a central axis and arranged to receive at least a remote viewing device therein, a handle arranged to be attached to the proximal end of the elongate cannula and a dissection tip arranged to be attached to the distal end of the elongate cannula, the dissection tip comprising a curved hollow shroud that when the dissection tip is orientated for use defines a substantially concave working cavity having an open underside, the hollow shroud comprising a pair of laterally extending lateral extensions, each wing extending from an opposing lateral portion of the periphery of the hollow shroud. | 10-16-2008 |
20080269793 | Surgical Stapling Device with Dissecting Tip - A dissecting tip is provided for use with a surgical stapler or instrument. In one embodiment, the dissecting tip is secured to the end effector of a surgical stapler, e.g., to the anvil assembly or cartridge assembly. The dissecting tip extends distally from the end effector and is configured to dissect or separate target tissue from certain tissue, e.g., adherent, connective, joined or other tissue. | 10-30-2008 |
20080312677 | SOFT TISSUE TUNNELING DEVICE - A tissue tunneling device is configured to be delivered within the body. The tunneling device includes a shaft with a blunt distal end to prevent coring or other damage to tissue during the delivery of the tunneling device. In some arrangements, the shaft includes one or more lumen, through which medication or another fluid may be administered. An anesthetic or other pain relieving medication may be delivered through the lumen to lessen the discomfort of delivering the tunneling device to the desired anatomical site. The handle of the tunneling device can be adapted to receive a syringe or another type of fluid source. The shaft may also include a retractable needle for facilitating the advancement of the tunneling device through skin or other tissue. The shaft may also be provided with an outer sheath, which may be left within the anatomy after the tunneling device has been removed. The tunneling device can be configured to prevent or reduce relative rotation or other movement between the shaft and the sheath. The shaft may be malleable for custom-shaping the tunneling device prior to and/or during delivery. | 12-18-2008 |
20090030444 | Surgical tool - A tunneling device for creating a pathway in subcutaneous tissue of a person's body. The tunneling device includes a member having two ends, where each of the ends defines an insertion surface that facilitates the insertion of the ends into the subcutaneous tissue of the person's body. The tunneling device includes an interchangeable handle connectable to each of the ends. The handle defines a grasping surface and an opening. The opening is configured to receive either of the ends. The grasping surface enables a user to securely hold the handle with one hand to forcibly move the member through the subcutaneous tissue of the person's body to create the pathway in the subcutaneous tissue, and pull a cable of an implant device through the created pathway. | 01-29-2009 |
20090048622 | Apparatus and methods for performing brain surgery - Less invasive surgical techniques for performing brain surgery are disclosed in which a dilating obturator and cannula assembly is inserted into brain tissue until the obturator tip and cannula are adjacent to the target tissue. The obturator is removed and surgery is performed through the cannula. In preferred embodiments the obturator and cannula are placed using image guidance techniques and systems to coordinate placement with pre-operative surgical planning. A stylet with associated image guidance may be inserted prior to insertion of the obturator and cannula assembly to guide insertion of the obturator and cannula assembly. Surgery preferably is performed using an endoscope partially inserted into the cannula with an image of the target tissue projected onto a monitor. Dilating obturator structures having a rounded or semi-spherical tip and/or an optical window for visualizing brain tissue during expansion are contemplated. | 02-19-2009 |
20090069835 | Balloon catheter for endoscopic mucosectomy - The balloon is fixed to a catheter close to its distal portion; the catheter has two ducts passing through within in; one duct can be used for a guide wire, while the other is used to pump air in or out; after passing through the catheter, the air emerges from a hole in the wall of the distal portion of the catheter, within the balloon; the distal portion of the catheter emerging from the balloon is rigid and slightly curved with respect to the axis of the catheter so that, when used, the distal portion—fitted with a sphere at the very tip—is curved upwards; the sides of the inflatable balloon are of varying thickness so that, when inflated, it takes on the form of a mattress; its inflation enables the detachment without trauma of two layers of tissue. | 03-12-2009 |
20090093835 | TWO-MODE BLADELESS TROCAR ASSEMBLY - An obturator assembly for penetrating tissue and being at least partially positionable within a cannula assembly includes an obturator housing, an obturator shaft connected to the obturator housing and defining a longitudinal axis, a bladeless penetrating member adjacent the distal end of the obturator shaft and an obturator shield mounted about the obturator shaft and having a distal shield nose. The obturator shield is adapted for longitudinal movement between an extended position where the bladeless penetration member is substantially enclosed within the shield nose and a retracted position where the bladeless penetrating member is at least partially exposed from the shield nose. A manually manipulative member is mounted to the obturator housing and is adapted for rotational movement about the longitudinal axis and relative to the obturator housing between an initial position corresponding to a first mode of operation where the obturator shield is secured in the extended position and the shield nose is used to penetrate tissue, and a release position corresponding to a second mode of operation operatively releasing the obturator shield to permit the obturator shield to move to the retracted position thereof to expose the bladeless penetrating member for further dissecting the tissue. | 04-09-2009 |
20090105744 | METHODS FOR FORMING TRACTS IN TISSUE - Described here are methods for forming one or more tracts in tissue. The tracts may be formed in any suitable or desirable tissue, and may seal relatively quickly without the need for a supplemental closure device. In some variations, the methods comprise advancing a tissue-locating member adjacent to a tissue wall, deforming at least a portion of the tissue wall with the tissue-locating member, and advancing a tissue-piercing member through the deformed tissue to form the tract, where the tract provides access for one or more tools. Also described here are methods of forming tracts through rotated or tented tissue. Any of the methods described here may also be used with tissue having at least one irregular surface. | 04-23-2009 |
20090177220 | Surgical Tool for Implantation of a Device with a Convex Element - A surgical tool lifts an overlying layer of skin away from underlying bone to prepare the bone to accommodate a convex element of an implantable device. The tool includes a lifting shell for insertion between the skin and the bone so as to lift the skin away from bone. A tool base supports the lifting shell and is supported by the bone. A drill template opening in the tool base provides access for preparing the bone to accommodate the convex element. | 07-09-2009 |
20090306699 | Blunt Dissector for Separating Blood Vessels from Surrounding Tissue - A blunt dissector for separating a blood vessel from surrounding tissues in a body comprises a longitudinal rod having a proximal end, a distal end, and an internal passage for conducting insufflation gas between the proximal and distal ends. An interior sleeve is mounted within the longitudinal rod for receiving an endoscope at the proximal end. A transparent tip is mounted to the distal end of the longitudinal rod. A handle is mounted to the proximal end of the longitudinal rod. The longitudinal rod has an outer surface along substantially all of the longitudinal rod between the proximal and distal ends consisting essentially of a fluoropolymer. | 12-10-2009 |
20090312783 | DISSECTING CANNULA AND METHODS OF USE THEREOF - Methods and devices described herein facilitate improved access of locations within the body by providing a variety of dissection modes on a single access device. | 12-17-2009 |
20100004670 | EXTRALUMINAL BALLOON DISSECTION - The present invention provides balloon dissection apparatus and methods of use in which an elongate balloon is utilized to dissect along a region that follows a naturally existing path alongside a vessel or structure, such as an artery, a vein, a lymphatic vessel, the trachea, the esophagus, or even a nerve bundle. | 01-07-2010 |
20100016879 | TUBULAR SHAFT INSTRUMENT - The present application relates to a tubular shaft instrument for separating tissue. The invention relates to a tubular shaft instrument that results in more reliable, cleaner separation of tissue. To achieve this, in contrast to conventional cutting devices, the blade is not displaced through the fixed tissue, but glides over the latter until a complete separation is ascertained. | 01-21-2010 |
20100049235 | METHODS AND DEVICES FOR BLOOD VESSEL HARVESTING - Methods and devices for harvesting veins from the body. The methods and devices allow vein harvesting using laparoscopic procedures. A working space is created over the vein using standard laparoscopic procedures and a side-hooked wire is inserted into the working space and twisted to insert the side-hook under the vein. The wire is then pulled or drawn along the vein to separate the vein from the surrounding tissue. In an alternative embodiment, vein separation is accomplished by threading a soft rubber tube under the vein, grasping the ends of the tube so as to surround the vein, and then pulling the tube along the vein. In other embodiments, the working space is created with everting balloons. | 02-25-2010 |
20100198248 | SURGICAL DISSECTOR - Various embodiments are directed to a curved-jaw dissector device for use in endoscopic surgical procedures. The device may comprise an end effector, a flexible shaft extending proximally from the end effector; a handle coupled to the proximal portion of the flexible shaft; and a translating member extending from the handle, through the flexible shaft, to the end effector, wherein the translating member is coupled to the handle at an actuator having a first and a second position such that placing the actuator in the first position causes the end effector to be in the closed position and placing the actuator in the second position causes the end effector to be in the open position. | 08-05-2010 |
20100262176 | BALLOON DISSECTION APPARATUS - Apparatus for creating an anatomic space in tissue in a body including an introducer device having a tubular member with a bore extending therethrough. A tunneling shaft assembly is slidably mounted in the bore of the introducer device. The tunneling shaft assembly includes a tunneling shaft having proximal and distal extremities. A blunt tip is secured to the distal extremity of the tunneling shaft. A balloon assembly is provided. The balloon assembly is removably secured to the tunneling shaft. The balloon assembly includes a deflated collapsed balloon. A sheath encloses the balloon and is carried by the tunneling shaft. The sheath has a weakened region extending longitudinally thereof permitting the sheath to be removed to release the balloon. | 10-14-2010 |
20100280539 | ENDOSCOPIC HEART SURGERY METHOD - It is an object to provide an endoscopic heart surgery method with which it is possible to observe an endoscopic image with a stable field of view in the pericardial space. Provided is an endoscopic heart surgery method including an inserting step of inserting an inserted portion of an endoscope into a body from the subxiphoid area and inserting the inserted portion into the pericardial space by penetrating the pericardium in the vicinity of the heart apex; a moving step of advancing the inserted portion toward the base of the heart so that the inserted portion passes through the roof of the pericardial space and is moved toward the heart apex to a treated area in the pericardial space; and an observing step of observing the treated area with the endoscope. | 11-04-2010 |
20110077676 | Prostate Treatment Stent - A method of dissecting urethra obstructing tissue. The method includes capturing urethra obstructing tissue between portions of an implant and applying pressure on the tissue caught between the portions of the implant, for longer than 1 hour, until the tissue dies or falls off. | 03-31-2011 |
20110178543 | SYSTEMS AND METHODS FOR REMOVAL OF INTRAVASCULAR LEADS - Systems and methods for extraction of implanted articles are disclosed. According to aspects illustrated herein, there is provided a system for extraction of an implanted article that includes an elongated member and a guide member disposed at a distal section of the elongated member. The guide member may define a pathway through which an implanted article can be securely received. The device can further include a dissection mechanism, coupled to the elongated member and designed to be positioned about the implanted article, for dissecting a fibrous adhesion about the implanted article. | 07-21-2011 |
20110190804 | FLUID INJECTION DEVICE - A fluid injection device that injects a fluid to a biological tissue from an injection opening to excise the biological tissue, includes: a fluid injection means that injects the fluid from the injection opening; and a suction means that sucks at least one of the injected fluid and the excised biological tissue by periodically varying a negative suction pressure. | 08-04-2011 |
20110202081 | SURGICAL INSTRUMENT EQUIPMENT APPROPRIATE FOR MINI-INVASIVE SURGERY - A surgical instrument equipment appropriate for mini-invasive surgery, inserted through natural orifices or incisions, made up by a device to have access to the patient's body, that is comprised by a rigid ring from which at least two extensions stem out in distal direction, which extensions act as separators and a multivalve flexible head which, when in use, is provided enveloping the external side of said rigid ring, and that comprises: at least one operative conducting duct for the access of at least one working instrument; a connector to insufflate and irrigate fluids; and a funnel to retain fluids that holds said multivalve flexible head that envelops the rigid ring, defining when assembled, a passage for said working instrument that is provided within at least a conducting duct and, in turn, is comprised by a clamp handle, a movement transmission element made by an external tubular sheath, a driving chuck and a clamp head is including an intrahead device. | 08-18-2011 |
20110257672 | INTRODUCER DEVICE - An introducer and method provides a surgical tool with a pathway through tissue to a surgical site, wherein the surgical tool includes at least one surgical instrument. The introducer comprises a flexible sheath having a distal portion including a distal end and is arranged for receiving the surgical tool. A tissue separation tip at the distal portion of the sheath advances the sheath into the tissue towards the surgical site. The tissue separation tip is arranged to form a tissue gap and provide the at least one surgical instrument access to the tissue gap for performing a medical procedure consonant with the formation of the tissue gap or the performance of work at the surgical site. | 10-20-2011 |
20110282376 | Brandow breast tunneler - An improved tunneling instrument for use in breast augmentation, having a distal end and a proximal end; includes a two piece system comprising of a penetrating bullet tip permanently attached to a hollow shaft and an attachable knurled handle. The shaft is constructed of stainless steel having sufficient rigidity. This tunneling instrument is designed, having multiple curves, which will allow the user to manipulate it in different directions while providing smooth contours during tunneling. The multiple curved design of this improved upon invention will allow the user to have full control during use; thereby preventing increased trauma to the surrounding tissues when tunneling. Due to the unique design of the current invention, the breast is given a more natural appearance after surgery. | 11-17-2011 |
20110313442 | EXTRALUMINAL BALLOON DISSECTION - The present invention provides balloon dissection apparatus and methods of use in which an elongate balloon is utilized to dissect along a region that follows a naturally existing path alongside a vessel or structure, such as an artery, a vein, a lymphatic vessel, the trachea, the esophagus, or even a nerve bundle. | 12-22-2011 |
20120059403 | VENOUS DISSECTOR DEVICE - Venous dissector device, notably a seamless device ( | 03-08-2012 |
20120071909 | BLADELESS OBTURATORS AND BLADELESS OBTURATOR MEMBERS - A surgical obturator that includes an elongated shaft defining a longitudinal axis and an obturator member disposed adjacent a distal end of the elongated shaft. The obturator member may include a proximal section being convex along a majority of its length. It may also include a central section disposed adjacent the proximal section, the central section including a first pair of surfaces disposed relative to each other on radially opposite sides of the central section, and a second set of surfaces disposed between the first pair of surfaces and further being disposed relative to each other on radially opposite sides of the central section, at least a portion of a length of each one of the first pair of surfaces being concave, and at least a portion of a length of each one of the second pair of surfaces being convex. The obturator member may also include a guiding nub disposed distally of the central section and including a rounded distal-most portion. The rounded distal-most portion of the guiding nub may be atraumatic to tissue. | 03-22-2012 |
20120083818 | SURGICAL TOOL - A tunneling device for creating a pathway in subcutaneous tissue of a person's body. The tunneling device includes a member having two ends, where each of the ends defines an insertion surface that facilitates the insertion of the ends into the subcutaneous tissue of the person's body. The tunneling device includes an interchangeable handle connectable to each of the ends. The handle defines a grasping surface and an opening. The opening is configured to receive either of the ends. The grasping surface enables a user to securely hold the handle with one hand to forcibly move the member through the subcutaneous tissue of the person's body to create the pathway in the subcutaneous tissue, and pull a cable of an implant device through the created pathway. | 04-05-2012 |
20120116438 | Intravascular Tissue Disruption - Disrupting tissue and devices and systems for disrupting tissue. The disclosure describes ways to deliver moieties to a target tissue, where the target tissue in general is not at the point of introduction, in such a way that minimal damage is produced in the tissue at the point of introduction. In some embodiments this is accomplished by jetting fluid at high velocity into the target tissue. The disclosure further describes novel agents deliverable in such systems for use in remodeling tissues. Some of these agents comprise a liquid while others do not. Additionally, although not specifically described in detail much of the disclosure may additionally be used in the delivery of therapeutic drugs. | 05-10-2012 |
20120136383 | FLUID CONTROLLER - A fluid conditioning system is adapted to condition the fluid used in medical and dental cutting, irrigating, evacuating, cleaning, and drilling operations. The fluid may be conditioned by adding flavors, antiseptics and/or tooth whitening agents such as peroxide, medications, and pigments. In addition to the direct benefits obtained from introduction of these agents, the laser cutting properties may be varied from the selective introduction of the various agents. | 05-31-2012 |
20120165852 | BLUNT TIP OBTURATOR - A surgical obturator comprising an elongate shaft extending along an axis between a proximal end and a distal end includes a bladeless tip disposed at the distal end of the shaft. The tip has a blunt point and a pair of shorter side surfaces separated by a relatively longer pair of opposing surfaces to form in radial cross-section a geometric shape that has a longer length and relatively narrower width. The side surfaces and opposing surfaces terminate in end surfaces located proximally from the blunt point. The end surfaces extend radially outwardly from opposite locations of the outer surface. A conical surface facilitates initial insertion of the obturator and the geometric shape facilitates separation of consecutive layers of muscle tissue having fibers oriented in different directions and provides proper alignment of the tip between the layers of muscle. | 06-28-2012 |
20120172907 | Tissue Removal Apparatus - An apparatus is disclosed for removing tissue from a patient's body. The apparatus comprises a first elongate member defining a lumen and having an open distal end. The open distal end defines an opening and comprises a tip, where the tip is structured to reduce damage to tissue within the patient's body. The apparatus further comprises a tissue removal member disposed within the lumen of the elongate member. The tissue removal member comprises a distal end that is recessed from the tip of the elongate member. At least a portion of the tissue removal member protrudes beyond the opening to allow access to tissue distal to the opening. Related hollow members with blunt tips are also disclosed. | 07-05-2012 |
20120239073 | CATHETER ASSEMBLY - A catheter assembly provided with a wire arranged therein to form a loop extending from near the effective end of the catheter for bypassing an occlusion in a vein/artery. This loop consists of two wire ends, one of which wire ends extends through the catheter to the control end thereof, while the other wire end is attached thereto, in close proximity to the effective end of the catheter. By varying the relative position of the loop wire end extending from the control end and the control end, the size of the loop and the pushability thereof at the effective end of the catheter can be determined. In this manner, the occlusion can be removed with precise control by the physician using two hands. In addition, the catheter is formed not only for the loop wire end extending through the catheter, but also for incorporating a guide wire and/or for contrast fluids. | 09-20-2012 |
20120245613 | Packing Strip Probe and a Method of Using Thereof - A packing strip probe is used to medically treat a sub-dermal cavity that is created by an abscess, an ulcer, or a deep wound. The probe comprises a rod, a blunt tip, and a probing tip. The rod is the main structure of the probe, and the blunt tip and the probing tip are located on opposite ends of the rod. The blunt tip is used to open up the sub-dermal cavity and to gently debride the sub-dermal cavity. The probing tip is used to aggressively debride the sub-dermal cavity and guide a packing strip into the sub-dermal cavity. The probing tip comprises tines, slots, and a rounded end. The tines can be used to either aggressively debride the sub-dermal cavity or wrap and insert the packing strip into the sub-dermal cavity. | 09-27-2012 |
20120289987 | SYSTEMS AND METHODS FOR ENDOLUMINAL VALVE CREATION - The present application pertains generally to medical systems and methods for creation of an autologous tissue valves within a mammalian body. In some embodiments, a system for creating an endoluminal valve from a blood vessel wall is provided. The system includes a tubular assembly having a longitudinal axis, a proximal end, a distal portion with a distal end, and a first lumen extending from the proximal end to a distal port located proximate the distal portion. The distal portion can have a supporting surface that extends in a longitudinal direction and is offset from a surface of the tubular assembly proximal the distal port. The system can further include a tissue dissection probe disposed within the first lumen. | 11-15-2012 |
20120310268 | DISSECTING CANNULA AND METHODS OF USE THEREOF - Methods and devices described herein facilitate improved access of locations within the body by providing a variety of dissection modes on a single access device. | 12-06-2012 |
20120316596 | BLUNT TIP OBTURATOR - A surgical access device comprises an elongate shaft with a bladeless tip at the distal end. The bladeless tip has an outer surface with a proximal portion, a distal portion, and an intermediate portion. In a cross section in the proximal portion, the outer surface defines a circle. In a cross section in the intermediate portion, the outer surface defines a shape having a length greater than a width. The outer surface has first and second opposing surface portions of the shape that are generally aligned with the length. In a cross section in the distal portion, the outer surface defines a circle. In progressive proximal cross sections in the distal portion, the circle expands. In progressive proximal cross sections in the intermediate portion, a ratio of the width of the shape to the length of the shape increases and the first and second opposing surface portions are more arcuate. | 12-13-2012 |
20120330340 | CONTROLLED TISSUE DISSECTION SYSTEMS AND METHODS - Tissue dissecting device, including an inflatable bladder configured to be inserted into a body via an introducer tube in a compact deflated state, and to be inflated to a substantially planar form in a manner which dissects tissue. Method for dissecting tissue, including inserting an inflatable bladder, in a deflated state, via an introducer tube, into a space in a body, and inflating the bladder to substantially planer form, thereby dissecting tissue. Method for dissecting tissue, including inserting an introducer tube via an incision into a body, inserting an inflatable bladder, in a defined state, via the introducer tube, into a space in the body, pulling the introducer tube back at least a length of the deflated bladder, inflating the bladder, via a filling tube, to substantially planar form, thereby dissecting tissue, disconnecting the filling tube from the bladder, retracting the filling tube and the introducer tube from the body. | 12-27-2012 |
20130060273 | EXTRALUMINAL BALLOON DISSECTION - The present invention provides balloon dissection apparatus and methods of use in which an elongate balloon is utilized to dissect along a region that follows a naturally existing path alongside a vessel or structure, such as an artery, a vein, a lymphatic vessel, the trachea, the esophagus, or even a nerve bundle. | 03-07-2013 |
20130090676 | Instruments and Methods for Surgical Sizing and Marking - A surgical sizer for creating a tissue pocket for an implantable medical device may include a replica of the device and a (preferably ergonomic) handle portion, optionally with marking features that facilitate marking the tissue for precise implant placement and alignment. | 04-11-2013 |
20130096601 | LIQUID INJECTION DEVICE AND MEDICAL APPARATUS - A liquid injection device includes an injection unit which injects a liquid, a liquid supply instrument which supplies the liquid to the injection unit, and a control unit which controls operation of the injection unit and the liquid supply instrument, wherein the injection unit includes a distal end portion where a nozzle for injecting the liquid is formed, and a body portion in which the distal end portion is removably loaded, at the distal end portion, a distal end-side memory is provided in which first startup data is written, and the control unit is a control unit which reads and writes the first startup data from and to the distal end-side memory in the distal end portion loaded in the body portion and manages use time of the distal end portion based on the first startup data that is read out. | 04-18-2013 |
20130110151 | Balloon Dissector With Cannula | 05-02-2013 |
20130123829 | MRI DETECTABLE OBTURATOR - An obturator for marking an intracorporeal site includes an elongated shaft having an inner lumen, a proximal end, and a substantially closed distal end, the substantially closed distal end being formed of a penetrable membrane. A stylet has an MRI detectable distal shaft portion configured for removable insertion into the inner lumen of the elongated shaft to a location proximal to the penetrable membrane. The MRI detectable distal shaft portion is configured to not interfere with magnetic resonance imaging of tissue proximate thereto. | 05-16-2013 |
20130144320 | DISCECTOMY KITS WITH AN OBTURATOR, GUARD CANNULA - Discectomy kits with obturator, guard cannulas are provided. The kits have a safe and efficient cutting heads for removing a target tissue from a subject during a surgical procedure are provided, the cutting heads composing a part of systems that address several problems, including clogging of state-of-the-art systems during removal of such tissue, for example. The target tissue can include any tissue that is accessible through a small surgical opening, for example, a joint tissue such as a meniscus or an intervertebral tissue, such as a nucleus pulposus. The devices can be referred to as orthopedic tissue removal devices having cutting heads associated with vacuum systems, making the systems useful in several procedures, including X-LIF (lateral approach to an intervertebral fusions) procedures, T-LIF (transforaminal approach to intervertebral fusions) procedures, P-LIF (posterior approach to intervertebral fusions), and a percutaneous, transforaminal approach (Kambin triangle access). | 06-06-2013 |
20130144321 | LIQUID EJECTION DEVICE AND MEDICAL INSTRUMENT INCLUDING LIQUID EJECTION DEVICE - Fluid is pressurized and supplied to a fluid chamber with a fluid pressurizing and supplying unit. The pressurized fluid within the fluid chamber is ejected through an injection nozzle by reduction of the volume of the fluid chamber caused by applying a driving voltage to a volume varying unit. In applying the driving voltage to the volume varying unit, the effect imposed on fluid injection by pressure fluctuations of the fluid pressurized and supplied to the fluid chamber is compensated by changing the voltage waveform of the driving voltage. When the pressure of the supply flow amount is decreased to a pressure lower than a predetermined pressure, the time intervals of the driving waveform are corrected. The maneuverability of a fluid injection device does not deteriorate even when the pressure of the fluid pressurized and supplied to the fluid chamber fluctuates. | 06-06-2013 |
20130158588 | Abdominoplasty Umbilicus Finder Device and Method - A surgical device and method for locating the umbilicus during abdominoplasty surgery may include a device having a body and one or more projections. The body may be generally oval-shaped and fit around the umbilical pedicle. The device may be tacked into place with tacking sutures, by use of anchoring hooks on the body of the device, or otherwise held in place to assist in locating the proper location for a new umbilicus orifice during surgery. The one or more projections may be easily felt under the subcutaneous fat after all the layers of fat and skin have been closed. The method allows simple and accurate determination of the umbilicus following abdominoplasty to ensure proper positioning of the new orifice for the umbilicus. | 06-20-2013 |
20130184734 | CATHETER HAVING TAPERED GUIDE SURFACE - A catheter assembly includes a catheter body having a catheter lumen. A manifold assembly is coupled with a proximal catheter portion. A manifold lumen extends through the manifold assembly, and the manifold lumen includes an assembly cavity extending around the proximal catheter portion. A fluid jet loop is coupled with a high pressure tube at a distal catheter portion. The catheter assembly further includes a tapered loop guide surface. | 07-18-2013 |
20130204287 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - A surgical access assembly is described that includes an outer sheath and a selectively removable obturator. The outer sheath is defined by an open distal end and an open proximal end and includes a hollow body portion therebetween. The obturator is defined by a distal end and a proximal end, wherein the distal end further comprises a tapered distal tip member. The obturator is configured to be received within the outer sheath such that the tapered distal tip member protrudes from the open distal end of the outer sheath when the obturator is in an introducing configuration. The outer sheath further includes a gripping member, wherein the gripping member includes at least one retaining notch formed on an outer surface thereof. | 08-08-2013 |
20130226215 | SWITCHING STICK DILATION METHOD AND APPARATUS - A method of dilating an incision to provide access to a surgical site. Such method may include the steps of making an incision in the skin of a patient near a predetermined surgical site, inserting into the incision a dilator, inserting at least one shoe horn in juxtaposition or in direct apposition with the dilator, removing the dilator from the incision, inserting a blunt dissector adjacent the at least one shoe horn, removing the at least one shoe horn, inserting a retractor or a tube over the blunt dissector and into the incision such that the retractor or tube is at or adjacent the predetermined surgical site, removing the blunt dissector from the incision, and performing a surgical procedure at the predetermined surgical site through the retractor or tube. | 08-29-2013 |
20130261652 | Methods and Tools for Clearing the Epidural Space in Preparation for Medical Lead Implantation - An epidural space is cleared of fat and scar tissue in preparation for implantation of a medical lead by utilizing a clearing tool. The clearing tool has an outer body and an inner body present within a lumen of the outer body. The outer body may be malleable and have a pre-set deflection or may be flexible and achieve deflection when being inserted into the epidural space. Once in the epidural space, the inner body is extended distally from the lumen of the outer body such that a distal tip on the inner body extends further into the epidural space to provide clearing to the target site without requiring further ingress of the outer body. The inner body is retracted and the clearing tool is removed. The medical lead is then inserted through the window and cleared epidural space until reaching the target site. | 10-03-2013 |
20130261653 | Method and Tools for Clearing the Epidural Space in Preparation for Medical Lead Implantation - An epidural space is cleared of fat and scar tissue in preparation for implantation of a medical lead by utilizing a clearing tool. The clearing tool has a flexible body that allows the clearing tool to deflect when entering the epidural space through a window in the vertebral bone and ligaments. The clearing tool is guided into the epidural space and to a target site by a guidewire present in the epidural space. Upon removal of the guidewire and clearing tool, the medical lead is inserted through the window and cleared epidural space until reaching the target site. The clearing tool may include a distal tip with a shape and size that aids in the clearing of the epidural space. The distal tip may be integral to the clearing tool or may be removable so as to allow for different sizes of the distal tip to be installed as needed. | 10-03-2013 |
20130267982 | Multiple Section Trocar - A medical device insertion system, and a method of using the system, to mate trocars inside a patient during a medical procedure, the system including a first trocar having a first end to insert into a patient, and a second end at which a first user control is provided, and a second trocar having a first end to insert into a patient, and a second end at which a second user control is provided, wherein the respective first ends of the first and second trocars are formed so as to mate to one another inside the patient to form a continuous path between the respective second ends. | 10-10-2013 |
20130274785 | Blunt Dissector - A surgical instrument for creating a cavity in the human or animal body in view of inserting a medical device or for other purposes. The surgical instrument comprises a handle ( | 10-17-2013 |
20130274786 | TISSUE DISSECTOR APPARATUS AND METHOD - Surgical apparatus and method includes a cannula that houses an endoscope and supports a dilating element near a distal end of the cannula. The dilating element has a dimension which is greater than the diameter of the cannula for enlarging a surgical cavity in tissue as the cannula is advanced through tissue at a surgical site to provide working space adjacent a target vessel within which surgical instruments may be conveniently manipulated. The dilating element of oval sided shape permits surrounding tissue to be pushed away or otherwise displaced away from the target vessel atraumatically. A locking mechanism is disposed on the cannula, which accepts a succession of mating dilating elements of progressively larger dimensions for successive insertion and enlargement of a surgical cavity as required. In one embodiment, the dilating element is made of rigid plastic, and in another embodiment, the dilating element is made of resilient material that may be confined within a retractable sheath which, in the extended position, encases and compresses the dilating element to a smaller dimension and which, in a retracted position, allows the dilating element to resiliently expand and enlarge the surgical cavity. | 10-17-2013 |
20130289603 | Surgical dilator, retractor and mounting pad - A retractor having an elongate body that provides access to a surgical location within a patient. The elongate body includes a plurality of segments that are connected to one another through a plurality of ratcheting mechanisms. The ratcheting mechanisms permit relative movement of the segments with respect to one another when expander dilators are inserted within the retractor. The segments are surrounded and retained by a resilient elastomeric sleeve or bands. The distal end surfaces of the segments include thin edges that are configured to mobilize, dissect, split and retract the terminal tissues in the surgical area. The retractor is used in conjunction with a resilient elastomeric pad that is affixed to the patient and firmly engages the outer surface of the elongate body to thereby anchor the retractor to the patient. A separate anchoring device can be used to connect the retractor to the pad. | 10-31-2013 |
20130310869 | METHODS AND DEVICES FOR SOFT TISSUE DISSECTION - A differential dissecting instrument for differentially dissecting complex tissue is disclosed. The differential dissecting instrument comprises a handle and an elongate member having a first end and a second end, wherein the first end is connected to the handle. The differential dissecting instrument comprises a differential dissecting member configured to be rotatably attached to the second end and further comprises at least one tissue engaging surface. The differential dissecting instrument comprises a mechanism configured to mechanically rotate the differential dissecting member around an axis of rotation, thereby causing the at least one tissue engaging surface to move in at least one direction against the complex tissue. The at least one tissue engaging surface is configured to selectively engage the complex tissue such that the at least one tissue engaging surface disrupts at least one soft tissue in the complex tissue, but does not disrupt firm tissue in the complex tissue. | 11-21-2013 |
20140081306 | TISSUE SLITTING METHODS AND SYSTEMS - Methods and systems for separating an object, such as a lead, from formed tissue are provided. Specifically, a tissue slitting device is configured to engage patient formed tissue at a slitting engagement point. While the object is subjected to a first traction force, the tissue slitting device is caused to move further into the engaged tissue and slit the tissue past the point of engagement. The slitting device causes the tissue to separate along an axial direction of the length of the formed tissue and releases at least some of the force containing the object. The methods and systems are well suited for use in cardiac pacing or defibrillator lead explant procedures. | 03-20-2014 |
20140081307 | Medical Instrument with Suction - Surgical instruments for dissection and retraction, providing suction to remove fluids, smoke and debris at the site of a surgical procedure. A surgical dissector/retractor having a handle and head with a suction channel passing within the dissector/retractor. The dissector/retractor includes a smooth leading edge and a suction port on a top surface of the head. | 03-20-2014 |
20140094838 | DEVICE SYSTEM AND METHOD FOR BLUNT TISSUE DISSECTION - A surgical device, and a system and method using same are provided. The surgical device includes an elongated device body attached to a dissection head having a tissue biasing mechanism configured for blunt tissue dissection and an element for preventing trapping of tissue within the tissue biasing mechanism. According to still further features in the described preferred embodiments the element for preventing trapping of tissue between the at least one pair of movable jaws is a finger-like extension positioned between the at least one pair of movable jaws. | 04-03-2014 |
20140114338 | INTRODUCER DEVICE - An introducer and method provides a surgical tool with a pathway through tissue to a surgical site, wherein the surgical tool includes at least one surgical instrument. The introducer comprises a flexible sheath having a distal portion including a distal end and is arranged for receiving the surgical tool. A tissue separation tip at the distal portion of the sheath advances the sheath into the tissue towards the surgical site. The tissue separation tip is arranged to form a tissue gap and provide the at least one surgical instrument access to the tissue gap for performing a medical procedure consonant with the formation of the tissue gap or the performance of work at the surgical site. | 04-24-2014 |
20140114339 | BLADELESS OBTURATOR - A surgical obturator adapted to penetrate a body wall includes an elongate shaft having an axis which extends between a proximal end and a distal end. A bladeless tip, disposed at the distal end of the shaft has an outer surface which extends to a blunt point. The outer surface has a pair of side sections separated by an intermediate section. The side sections extend from the blunt point radially outwardly with progressive positions proximally along the axis. These side sections include a distal portion in proximity to the blunt point, and a proximal portion in proximity to the shaft. The distal portion of the side section is twisted radially with respect to the proximal portion of the side section. The outer surface in radial cross section has the general configuration of a geometric shape which rotates in a first direction about the axis with progressive proximal radial cross sections along the axis. | 04-24-2014 |
20140121695 | BLUNT TIP OBTURATOR - A surgical obturator comprising an elongate shaft extending along an axis between a proximal end and a distal end includes a bladeless tip disposed at the distal end of the shaft. The tip has a blunt point and a pair of shorter side surfaces separated by a relatively longer pair of opposing surfaces to form in radial cross-section a geometric shape that has a longer length and relatively narrower width. The side surfaces and opposing surfaces terminate in end surfaces located proximally from the blunt point. The end surfaces extend radially outwardly from opposite locations of the outer surface. A conical surface facilitates initial insertion of the obturator and the geometric shape facilitates separation of consecutive layers of muscle tissue having fibers oriented in different directions and provides proper alignment of the tip between the layers of muscle. | 05-01-2014 |
20140128900 | METHODS AND DEVICES FOR CROSSING CHRONIC TOTAL OCCLUSIONS - The present disclosure is directed to a method of facilitating treatment via a vascular wall defining a vascular lumen containing an occlusion therein. The method may include providing an intravascular device having a distal portion and a longitudinal axis and inserting the intravascular device into the vascular lumen. The method may further include positioning the distal portion in the vascular wall, rotating the intravascular device about the longitudinal axis, and advancing the intravascular device within the vascular wall. | 05-08-2014 |
20140277056 | MEDICAL DEVICE AND METHOD FOR ACCESSING SPACE ALONG AN INTERIOR SURFACE OF AN ANATOMIC LAYER - Medical device including a lift tool having a distal end configured to removably engage an anatomic layer. The lift tool includes a shaft lumen that extends longitudinally through the lift tool and through the distal end. The shaft lumen is configured to receive an elongated insert device that is movable through the shaft lumen and through the distal end. The medical device also includes a locking mechanism that is coupled to the lift tool. The locking mechanism includes a locking member that is selectively movable with respect to the insert device between a released position and an engaged position. The locking member engages the insert device when in the engaged position to hold the insert device at a fixed position with respect to the lift tool and permits the insert device to move through the shaft lumen when in the released position. | 09-18-2014 |
20140358174 | Intraneural Implant - An intraneural implant comprises a lead comprising a number of electrode wires, a number of electrodes communicatively coupled to the electrode wires, the electrodes forming an electrode array, and an overmold surrounding the electrode wires and at least a portion of the electrodes, and a blunt dissector tip coupled to the lead to penetrate nerve tissues as the electrode array is implanted. An intraneural implant system comprises a flexible lead. The flexible lead comprises a lead body, an electrode array communicatively coupled to the lead body, a blunt dissector tip to penetrate a nerve bundle as the electrode array is implanted into the nerve bundle, and an implantation tool coupled to the electrode array to implant the electrode array into the nerve bundle. | 12-04-2014 |
20140364890 | METHODS AND DEVICES FOR SOFT TISSUE DISSECTION - Embodiments disclosed include methods and devices for blunt dissection, which differentially disrupt a patient's soft tissues while not disrupting that patient's firm tissues. In one embodiment, a differential dissecting instrument for differentially dissecting complex tissue disclosed. The differential dissecting instrument comprises a handle, a central longitudinal axis, and an elongate member having a proximal end and a distal end. The differential dissecting instrument also comprises a differential dissecting member configured to be rotatably attached to the distal end, the differential dissecting member comprising at least one tissue engaging surface, a first torque-point, the first torque-point disposed to a first side of the axis of rotation of the differential dissecting member, and a mechanism, configured to mechanically rotate the differential dissecting member around the axis of rotation thereby causing the at least one tissue engaging surface to move in at least one direction against the complex tissue. The mechanism comprises at least one force-transmitting member possessing a distal end and a proximal end, the distal end being attached to the first torque-point member. The proximal end of the at least one force-transmitting member is attached to a motive source configured to oscillate the differential dissecting member. Further, the at least one tissue engaging surface is configured to selectively engage the complex tissue such that when the differential dissecting member is pressed by the surgeon into the patient's complex tissue, the at least one tissue engaging surface moves across the complex tissue and the at least one tissue engaging surface disrupts at least one soft tissue in the complex tissue, but does not disrupt firm tissue in the complex tissue. | 12-11-2014 |
20150039010 | DISSECTION TIP AND INTRODUCER FOR SURGICAL INSTRUMENT - The present disclosure describes a surgical fastener applying apparatus that includes an elongate body portion having proximal and distal ends, an end effector including a first movably coupled to a second jaw that is positioned at the distal end of the elongate body portion, and an introducer member. The introducer member has proximal and distal portions, and is configured and dimensioned for releasable connection with the end effector. The introducer member is at least partially formed from a flexible material, and is configured and dimensioned to separate target tissue from collateral tissue prior to positioning of the target tissue between the first and second jaws of the end effector. | 02-05-2015 |
20150080933 | ENDOSCOPE WITH SHARED WORKING CHANNEL - A method and system are disclosed for opening a workspace inside a lumen of a living creature are disclosed. Anchors may be affixed to opposite ends of the workspace. An extender may be distance anchors apart while they are affixed to the walls of the workspace. Distancing the anchors may unfold and/or stretch the lumen in the region of the workspace. | 03-19-2015 |
20150100078 | Device of Automatic Mechanical Wound Opener for Head and Neck Surgery - A wound opener is provided. An operative field can be created through head/neck soft tissues for introducing the endoscopes and robotic surgical tools. An incision size can be properly adjusted. Thus, endoscopes, robotic arms or other devices can be smoothly introduced into the operative field to evaluate and treat lesions of head and neck soft tissues. Hence, the present invention facilitates surgical procedure, reduces wound size and effectively conceals wound to make it become invisible. | 04-09-2015 |
20150142041 | APPARATUS AND METHODS FOR PERFORMING MINIMALLY-INVASIVE SURGICAL PROCEDURES - Devices, tools and methods for performing minimally invasive surgical procedures. Methods of performing minimally invasive ablation procedures. Methods of performing rapid exchange of tools in a device while the device remains in a reduced-access surgical space. | 05-21-2015 |
20150297256 | VIBRATING SURGICAL INSTRUMENTS FOR BLUNT DISSECTION AND METHODS FOR USE THEREOF - A dissector including a body, a first arm, a second arm, and a string and methods for use thereof. The first arm extending from the body towards a distal end thereof and the second arm extending from the body towards a distal end thereof. One end of the string is coupled to the first arm adjacent the distal end thereof and the other end of the string is coupled to the second arm adjacent the distal end thereof. The first and second arms have an expanded configuration such that the string is taut and have a collapsed configuration such that the string is slack. The string is configured to dissect tissue when the first and second arms are in the expanded configuration. The string may oscillate to dissect tissue. The distal ends of the first and second arms may atraumatically dissect tissue. | 10-22-2015 |
20150297257 | VIBRATING SURGICAL INSTRUMENTS FOR BLUNT DISSECTION - A dissector including a body, a first arm, a second arm, and a string. The first arm extending from the body towards a distal end thereof and the second arm extending from the body towards a distal end thereof. One end of the string is coupled to the first arm adjacent the distal end thereof and the other end of the string is coupled to the second arm adjacent the distal end thereof. The first and second arms have an expanded configuration such that the string is taut and have a collapsed configuration such that the string is slack. The string is configured to dissect tissue when the first and second arms are in the expanded configuration. The string may oscillate to dissect tissue. The distal ends of the first and second arms may atraumatically dissect tissue. | 10-22-2015 |
20160067082 | MICRO-BALLOON VITREOUS SEPARATOR - The micro-balloon vitreous separator generally includes a handle, an elongated shaft coupled to an end of the handle, a tube, and a control device. The tube has an inflatable member and a tip at a distal portion of the tube. The proximal portion of the tube is configured for attachment to an inflation medium. The control device includes a gripping member that is disposed within the handle and engages at least a portion of the tube, and a toggle member that extends through a slot in the handle. The toggle member of the control device may be manipulated by a user to extend and retract the distal portion of the tube. The tip of the tube can be positioned between the vitreous humor and the retina and the inflatable member can be inflated to separate the vitreous humor from the retina. | 03-10-2016 |
20160157874 | DEVICE FOR ASSISTING INFANT LATCH DURING AND AFTER BREASTFEEDING - A latch pick assembly providing a pick portion dimensioned and adapted to establish, adjust and break the latch of a breastfeeding infant is provided. The pick portion provides opposing front and rear surfaces that taper toward each other as they terminate at a distal forward edge. The forward edge provides a plurality of protrusions which share the longitudinal and transverse concavity of the front surface and corresponding longitudinal and transverse convexity of the rear surface. The forward edge enables the gentle urging of an infant's lips into positions for a proper latch, and the adjusting and breaking of the latch during breastfeeding. | 06-09-2016 |