Abstract: A medical probe includes a shaft for insertion into a cavity of a patient body, and a distal-end assembly. The distal-end assembly is coupled to a distal end of the shaft and includes a hollow tube having (i) a first opening, located at a first section along a longitudinal axis of the hollow tube, and having a first size that limits bending of the first section by a first local radius of curvature (LROC), and (ii) a second opening, located at a second different section along the longitudinal axis of the hollow tube, and having a second different size that limits bending of the second section by a second different LROC.

Abstract: An electrosurgical forceps includes a first elongated shaft member including a first handle member and a first jaw member having a first tissue contacting surface, and a second elongated shaft member including a second handle member and a second jaw member having a second tissue contacting surface. At least one of the first and second handle members is movable relative to the other between an open position, a first approximated position where the first and second tissue contacting surfaces are diametrically opposed to one another, and a second approximated position where the first and second tissue contacting surfaces are laterally offset from one another. A handle connector assembly is selectively engageable with the second handle member and is configured to selectively communicate electrosurgical energy between the first and second tissue contacting surfaces when the first and second handle members are disposed in the first approximated position.

Abstract: A medical device includes opposing first and second end effectors coupled together to move from an open configuration to a closed configuration, a first link with a distal end pivotally connected to a proximal end of the first end effector, the first link including a first slot at a proximal end of the first link, a second link with a distal end pivotally connected to a proximal end of the second end effector, and a first actuator pin slidable within the first slot.

Abstract: A differential pressure motor comprising two working pistons and a rod that move in a hollow space. Walls defining the hollow space have five openings. A valve piston moves between and against the working pistons and can be driven by the working pistons. The valve piston with the five openings forms a valve with which an alternate impact of a first pressure and a second pressure on the working pistons is controllable when the pressures are applied to three of the five openings such that the working pistons periodically move which drives a periodic movement of the valve piston. Also disclosed are a surgical drive system with, a medical lavage system for the debridement of soft tissue and/or bone tissue having, and a medical device for brushing, rasping or sawing soft tissue and/or bone tissue with such a differential pressure motor, and a method for operating a differential pressure motor.

Abstract: A surgical instrument for use during a surgical procedure includes an instrument body, an ultrasonic transducer assembly extending along a longitudinal axis, a power cord, and a transducer slip joint. The ultrasonic transducer assembly is rotatably mounted within the instrument body about the longitudinal axis and defines a first outer profile. The power cord projects from the instrument body to provide electrical power to the ultrasonic transducer assembly for operating an acoustic waveguide. The transducer slip joint is positioned between the power cord and the ultrasonic transducer assembly and electrically and mechanically connects the power cord to the ultrasonic transducer assembly. The ultrasonic transducer assembly selectively rotates relative to the power cord for inhibiting the power cord from winding upon rotation of the ultrasonic transducer assembly. The transducer slip joint also defines a second outer profile that fits within the first outer profile of the ultrasonic transducer assembly.

Abstract: An endoluminal punch system including a sheath and dilator. The endoluminal punch may include energy delivery system capable of being transmitted from the proximal end to the distal end of the endoluminal punch to assist with tissue crossing and incisions. The dilator may include selectively deployable cutting mechanism to create incisions in tissue that are larger than their basic external diameter. The system may also be configured to reduce the risk of generating plastic emboli during insertion of the endoluminal punch.

Abstract: A transperineal biopsy guide including a guide member and a displacement member supported by the guide member. The guide member may be configured to operably couple with the transrectal probe and may include a distal end, a proximal end opposite the distal end, and a length extending along a longitudinal axis between the distal and proximal ends. The displacement member may be configured to support the access needle and displace the access needle along at least a portion of the length of the guide member between the distal and proximal ends. The access needle may extend into the subcutaneous tissue when the access needle is displaced to the distal end.

Abstract: A system and method of accessing a heart of a patient is provided. A cardiac access channel is established through an apical wall of the heart to provide direct access through the apical wall to the left ventricle. A vascular access channel is established through the skin to a peripheral blood vessel. A first end of an elongate member is advanced from the outside of the apical wall through the cardiac access channel and into the left ventricle. A second end disposed opposite the first end remains outside the patient. The elongate member is drawn into and through the vascular access channel to externalize the first end of the elongate member while leaving the second end outside the apical wall of the heart.

Abstract: An introducer sheath is provided for inserting at least one medical instrument directly toward a target patient tissue site. A plurality of lumens extend longitudinally between sheath proximal and distal ends of the introducer sheath. A septum extends between the sheath proximal and distal ends and selectively laterally separates each of the sheath lumens from one another. The septum is at least partially formed from a deformable and elastomeric material. The septum has a biased condition in which the plurality of sheath lumens are at least partially isolated from one another. The septum is selectively deflectable from the biased condition to at least partially place at least one of the plurality of sheath lumens in fluid communication with at least one other of the plurality of sheath lumens.

Abstract: A device and method is provided to gain access to interior body regions. The system includes a safety needle, a stylet assembly, a blade assembly, an obturator assembly, a cannula assembly, a handle assembly, an actuator assembly, and a lock assembly. The safety needle accesses an interior body region. The actuator assembly, lock assembly, and handle assembly interact to expose the blade assembly, after which the blade assembly expands the pathway created by the safety needle. The obturator then further expands the pathway and delivers the cannula assembly to the desired location. The safety needle, obturator assembly, blade assembly, handle assembly, actuator assembly, and lock assembly are removed, leaving the cannula assembly in place for future procedures.

Abstract: One embodiment is directed to a system for deploying a device to a distal location across a vessel, comprising an elongate introducer sheath tubing member comprising open-cell fibrous wall material defining a lumen therethrough, wherein in a collapsed configuration the sheath has a first cross-sectional outer diameter and a first lumen inner diameter, and in an expanded configuration, the sheath has a second cross-sectional outer diameter and a second lumen inner diameter; and a substantially non-porous expandable layer coupled to a proximal portion of sheath and configured to prevent fluids present in the lumen from crossing the fibrous wall material. Also disclosed is a delivery assembly comprising an obturator which releasably captures the distal portion of an introducer sheath which obturator can be removed after the sheath is deployed to a desired location.

Abstract: An introducer assembly includes an elongate sheath sized for insertion into a blood vessel of a patient and a hub. The hub can be coupled to a proximal portion of the sheath and can include a first hub portion and a second hub portion. The hub can include various features to facilitate breaking apart or separating the introducer assembly from a patient. For example, the first hub portion can have a first notch which can facilitate breaking, splitting, or fracturing the hub. The second hub portion can partially surround the first hub portion and can include two wings and an opening disposed above the first notch. The first hub portion can be formed from a first material and second hub portion can be formed from a second material. In some embodiments, the second material can be stiffer than the first material to facilitate fracturing the hub.

Abstract: Catheter-based delivery systems for delivery and retrieval of a leadless pacemaker include features to facilitate improved manipulation of the catheter and improved capture and docking functionality of leadless pacemakers. Such functionality includes mechanisms directed to deflecting and locking a deflectable catheter, maintaining tension on a retrieval feature, protection from anti-rotation, and improved docking cap and drive gear assemblies.

Abstract: A tissue guard includes a body defining an open proximal end, an open distal end, and a lumen extending through the body between the open proximal end and the open distal end. The tissue guard further includes a lip extending radially outwardly from the open proximal end of the body. The lip includes a plurality of spaced-apart cut-outs defined about the outer circumference of the lip to define a plurality of tabs of the lip. Each tab includes an outer edge segment. The body and the lip are monolithically formed as a single piece of material.

Abstract: A tissue resecting instrument includes an outer shaft defining a window at a distal end portion thereof, an inner cutting shaft extending through the outer shaft and configured to translate and rotate relative to the outer shaft to cut tissue extending through the window, and a drive assembly coupled to the inner cutting shaft. Actuation of the drive assembly in a first configuration drives translation of the inner cutting shaft at a first linear speed and rotation of the inner cutting shaft at a rotational speed. Actuation of the drive assembly in a second configuration drives translation of the inner cutting shaft at a second linear speed different from the first linear speed and rotation of the inner cutting shaft at the rotational speed.

Abstract: A motorized callus remover apparatus for easily removing calluses includes a hollow having a motor cavity. A motor is coupled within the motor cavity and oscillates. A plurality of controls is coupled to the handle to operate a motor coupled within the motor cavity. A neck is coupled to the motor and extends through the distal end of the handle. The motor oscillates the neck. A hollow head has a sleeve aperture extending through a back side to a collection cavity to selectively receive the neck. The head oscillates with the neck when with motor is engaged. A sandpaper sheet is selectively engageable with the bottom side of the head and has a plurality of second catch apertures corresponding with a plurality of first catch apertures of the bottom side to collect skin particles.

Abstract: Clamp (1) for an external fixator, preferably of the quick attachment type, comprising: a plurality of attachments (2; 3) for blocking bars and/or bone screws; a connector (5), provided with an at least partially threaded stem (50), which passes through and connects in series said plurality of attachments (2; 3); at least one first attachment (2) comprising two arms (20; 21), connected by a C-shaped flexible bridge (22); said stem (50) passing through said first attachment (2) in an intermediate position between said flexible bridge (22) and the opposite free ends of said arms (20; 21); wherein, at the free ends, said arms (20; 21) define a screw housing seat (23) for a bone screw, said screw housing seat being selectively configurable, varying the deformation of the flexible bridge (22), to clamp bone screws having different diameter.

Abstract: A plate assembly for attaching a bone flap to a skull is provided and may include a first plate member attached to the bone flap and a second plate member supported by the first plate member and movable between a retracted position and an extended position relative to the first plate member. The second plate member may be removed from a cut line between the bone flap and the skull in the retracted position and may extend over the cut line in the extended position.

Abstract: An intervertebral stabilization screw includes a main body with a distal bone-fixation thread. The distal thread is located at a distal end of the main body. A receiving area for a percutaneous drive tool is at a proximal end. The screw also has externally and separated from the distal thread a proximal bone fixation thread located at its proximal end.

Abstract: Non-load-bearing, drug-eluting components, such as a rod cover, that can be added to load bearing spinal implants.

Abstract: The present disclosure includes bone screws and assemblies thereof for surgical procedures of the spine including but not limited to posterior spinal fixation procedures.

Abstract: The present disclosure includes bone screws and assemblies thereof for surgical procedures of the spine including but not limited to posterior spinal fixation procedures.

Abstract: The present disclosure includes bone screws and assemblies thereof for surgical procedures of the spine including but not limited to posterior spinal fixation procedures.

Abstract: The present disclosure includes bone screws and assemblies thereof for surgical procedures of the spine including but not limited to posterior spinal fixation procedures.

Abstract: Described herein is a pedicle screw for use in the thoracolumbar spine where the height can be adjusted intra-operatively before or after installation member of the longitudinal member. The pedicle screws with adjustable height may be made with a monoaxial or polyaxial configuration. The height of the pedicle screw can be lengthened or shortened.

Abstract: The present disclosure includes bone screws and assemblies thereof for surgical procedures of the spine including but not limited to posterior spinal fixation procedures.

Abstract: Various embodiments of bone ties, bone tie inserters, and methods for treating the spine are provided. The bone tie can include a proximal end and a distal end. The bone tie can include a head section comprising a rounded head. The bone tie can include a neck section extending proximally from the head section. A bone tie inserter for placing a bone tie can also be provided. The bone tie inserter can include a bone tie advancer with a curved surface configured to guide a rounded head of a bone tie. The bone tie inserter can include a bone tie retriever configured to receive the rounded head of a bone tie. The bone tie is configured to pivot and/or rotate within the retriever portion of the bone tie inserter. The method can include forming a lumen in a first bone portion and a second bone portion. The bone tie can be configured to pivot and/or rotate as the bone tie retriever is withdrawn.

Abstract: A bone fixation system includes a bone fastener and a tower including a frangible or detachably linked distal section with a thread formed on an inner surface thereof, the tower having at least one flexible section and at least one rigid section to accommodate and/or mitigate tower interference and/or collision during surgical procedures. The distal section can desirably be separated and/or detached from the tower to function as a head locking unit of the bone fixation assembly, with the detached distal section capable of accommodating set screws, fixation rods and/or other spinal hardware.

Abstract: Apparatus and methods for bone fracture repair. The apparatus may include a structural support for positioning a first bone segment relative to a second bone segment. The apparatus may include an anchoring substrate. The anchoring substrate may be configured to compress the first bone segment to the second bone segment. The anchoring substrate may transmit tension from a distal bone segment anchor in the first bone segment to a proximal bone segment anchor in the second bone segment. The apparatus may be configured to be deployed percutaneously in an inner cavity of a bone. The apparatus may be installed in an open fracture. The apparatus may be expanded, self-expanding or configured for mechanically actuation. Some embodiments of the apparatus may include a central axis member that may be used in conjunction with expansion of one or both of the structural support and the anchoring substrate to configure the apparatus.

Abstract: A modular implant system, such as a spinal implant system, having an implant part, for example a (spinal) plate, and at least one fastener, wherein the implant part has a fastener receiving opening. The system also includes thermoplastic material, the thermoplastic material being equipped for being liquefied by mechanical vibration, especially ultrasonic vibration energy. The fastener receiving opening and the fastener can be shaped so that the fastener can be inserted relative to the implant part at a variable angle. The fastener, the plate and the thermoplastic material are equipped for the thermoplastic material, after re-solidification, to secure the fastener against at least one of an axial (back-out) movement of the fastener, a rotation of the fastener relative to the implant part, a variation of the angle of the fastener relative to the implant part.

Abstract: A bone closure strap device that includes a securing member that has a body with at least one strap receiving hole and at least one locking feature movably connected to the body. The at least one locking feature is located adjacent to the at least one strap receiving hole. The bone closure strap device also includes a strap that has a first end fixedly connected to the securing member. The strap is configured for looping around the bone portions, being inserted into the at least one strap receiving hole, and being secured in the at least one strap receiving hole by the at least one locking feature.

Abstract: A handheld closing device for closing a bone closure device. The handheld closing device includes a main body portion with an end and a receiving member located at the end of the main body portion. The receiving member is configured for receiving the securing member of the bone closure device. The handheld closing device further includes a tightening member rotatably connected to the main body portion. The tightening member includes a receiving hole configured for receiving the strap of the bone closure device. The tightening member is configured for tightening the strap. The handheld closing device further includes a lever pivotally connected to the main body portion. The lever is configured for operably engaging with the securing member to position the securing member in its locked position.

Abstract: A variable angle bone screw includes a first portion and a second portion that is separate from the first portion and configured to be attached to the first portion. The first portion defines at least a portion up to an entirety of the threaded head of the variable angle bone screw. The second portion defines at least a portion up to an entirety of the threaded shaft of the variable angle bone screw. The threaded head can have a first material hardness, and the threaded shaft can have a second material hardness that is less than the first material hardness.

Abstract: Various bone screws configured to be implanted into bone and methods of use are provided. In an exemplary embodiment, a bone screw is provided with an elongate shank having at least two threads thereon, and having a distal facing surface with at least two cutting edges. The cutting edges can be configured to cut bone as the bone screw is rotated into bone, thereby forming a path for the threads.

Abstract: The present invention provides a delivery tool and a method for bone grafting on a bone surface via a minimally invasive approach, wherein a structure having a layer of hardened paste and particles under the layer is formed by using the delivery tool. The layer helps to keep particles on the bone surface.

Abstract: The invention provides a screw pegging device.

Abstract: A method and system for automated and semi-automated predictable, consistent, safe, effective, and lumen-specific and patient-specific cryospray treatment of airway tissue in which treatment duration is automatically set by the system following entry of patient information and treatment location information into the system by the user, and treatment spray is automatically stopped by the system when the automatically selected treatment duration has been achieved as determined by the system.

Abstract: A device and method for creating an arteriovenous (AV) fistula includes a proximal base having a distal diagonal end surface and a distal tip connected to the proximal base and movable relative to the proximal base. The distal tip has a proximal diagonal end surface. A heating assembly, including an energized heating element, is disposed one of the distal diagonal end surface and the proximal diagonal end surface. A passive heating assembly is disposed on the mating diagonal end surface. The distal diagonal end surface and the proximal diagonal end surface are adapted to contact opposing sides of a tissue portion to create a fistula. The angle of the proximal diagonal end surface matches the angle of the distal diagonal end surface, so that the two surfaces match one another during deployment.

Abstract: A method for assessing a lesion formed between first and second regions of body cavity tissue, the method including using a first probe in contact with the tissue at a stimulus location in the first region, and applying to the tissue or sensing in the tissue a first activation signal having a first activation peak at a first time. Respective second activation signals having respective second activation peaks following the first activation signal are received from a second probe having multiple electrodes in contact with the tissue at respective sensing locations in the second region, and based on a temporal relation between the first and second activation peaks and a spatial relation between the stimulus location and the sensing locations, one of the multiple electrodes proximal to a gap in the lesion is identified. A map of the body cavity is displayed with the identified electrode marked on the map.

Abstract: An endoscopic treatment device has a sheath extending between a distal end portion and a proximal end portion; a first/second wire inserted through the sheath, wherein the first/second wire can protrude from the distal end portion of the sheath and cut tissue by being applied with current; an insulative member configured to connect distal ends of the first wire and the second wire; and a first/second insulative tube configured to cover the first/second wire protruding from the sheath, wherein the first/second insulative tube can move with respect to the first/second wire respectively, wherein the endoscopic treatment device switches between a first state where the second wire protruding from the sheath is covered by the second insulative tube and a second state where the first wire protruding from the sheath is covered by the first insulative tube.

Abstract: A bipolar forceps includes a mechanical forceps including first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof for effecting movement of the jaw members relative to one another about a pivot. A disposable is housing is configured to be releasably coupled to at least one of the shafts and an electrode assembly is configured to be releasably coupled to the disposable housing. The electrode assembly includes electrodes releasably coupled to the jaw members. At least one of the electrodes includes a knife channel configured to receive a knife blade therethrough to cut tissue grasped between the jaw members. A tissue stop has a knife slot that aligns with the knife channel to receive the knife blade. An actuation mechanism advances the knife blade through the knife channel to cut tissue.

Abstract: There is provided a medical high frequency treatment device (200). A distal portion of the high frequency treatment device (200) includes a high frequency treatment device knife (100) having a pair of scissors (10) so as to incise a biological tissue. The pair of scissors (10) is configured to be capable of shearing the biological tissue by pivoting in a direction closer to each other. Each of the pair of scissors (10) has a blade surface (13). Each surface of the pair of scissors (10) includes a formation region of a non-conductive layer (insulating film (12)) and an electrode region (19) where the non-conductive layer is not formed on the surface of the blade surface (13). With regard to at least one of the pair of scissors (10), a width dimension of the electrode region (19) in a plate thickness direction of the scissors (10) varies depending on a position of the scissors (10) in a longitudinal direction.

Abstract: Systems and methods for treating acne including an apparatus that applies or a method involving applying targeted energy to disrupt or destroy sebocyte progenitor cells within a target sebaceous gland. In one approach, specific sebocyte receptors are targeted to facilitate disrupting and/or destroying targeted sebocytes.

Abstract: The present disclosure is directed to a minimally invasive medical assembly including a delivery device in the form of a sheath configured to be delivered to a target site in a patient by being advanced through tortuous anatomy to deliver surgical and ablative devices to a target site (e.g. a lung tumor), to remove and ablate the target tissue. The invention allows for the delivery of various surgical and ablative devices to a target site without the need to surgically open and release the patient's chest cavity.

Abstract: A system for delivering energy to a patient's body is disclosed that includes a plurality of probes, a touch-sensitive display screen, and a controller communicatively coupled to each of the probes and the display screen. The controller is configured to perform operations including displaying a virtual control object in the user interface of the touch-sensitive display screen that is associated with an operating parameter of a treatment procedure performed with the probe. The controller is configured to adjust the operating parameter when a user touch action is directed to the virtual control object. The controller is configured to convert the virtual control object into a non-control label based, at least in part, on a current status of the treatment procedure. The controller is configured to prohibit adjustment of the operating parameter using the non-control label in response to a user touch action that is directed to the non-control label.

Abstract: A method of navigating a catheter to a target location in an anatomical structure of a patient includes inserting a portion of a catheter into the patient. The catheter includes an elongate shaft having a proximal and a distal end, and a loop subassembly coupled to the distal end. The loop subassembly includes a loop coupled to the distal end and positioned parallel to the elongate shaft, and electrodes disposed on the loop. The method includes positioning one of a portion of the loop subassembly and a portion of the distal end of the elongate shaft in contact with a surface of the anatomical structure a distance from the target location, and translating the loop subassembly toward the target location with the one of the portion of the loop subassembly and the portion of the distal end of the elongate shaft in contact with the surface of the anatomical structure.

Abstract: An electrosurgical instrument capable of performing both thermal ablation and electroporation in a minimally invasive manner. The instrument is dimensioned to fit within an instrument channel of an endoscope to enable non-percutaneous insertion. The instrument comprises a radiating tip mounted at a distal end of a coaxial transmission line to receive microwave EM energy from the coaxial transmission line and emit it as a field around the radiating tip. The instrument further comprises an auxiliary transmission line arranged to convey electromagnetic energy having an electroporation waveform to a microelectrode array mounted on the radiating tip. The electroporation waveform may be a radiofrequency or low frequency electromagnetic (EM) signal. The microelectrode array may comprise a plurality of nanoscale conductive electrode elements.

Abstract: An electrosurgical device (10) is provided that is operable to deliver microwave energy within a controlled angular expanse to cause targeted tissue ablation. The device (10) comprises a blocking or reflecting material such as cylindrical members (34) that are laterally spaced from the antenna (20) that is operable to emit the microwave energy. The reflecting material creates regions in and/or surrounding the device into which sensors (51), such as thermocouple wires, may be placed to monitor a condition associated with the device or the patient's body.

Abstract: A microlens array for converting incident light into a multi-spot beam to focus an object, the microlens array having a plurality of microlenses each having a curved surface forming a predetermined focal length, wherein at least some of the plurality of microlenses have different focal lengths or are different in the height position from which the corresponding curved surface starts.

Abstract: An endovenous treatment assembly includes a wire element for delivering treatment doses, which is flexible and capable of being inserted, over a portion of its length, longitudinally into a vein, and a positioning and guiding part that manipulates the wire element. The positioning and guiding part includes at least a first means for guiding in translation a first portion of the wire element, the wire element being able to slide in the direction of its length relative to the first guiding means. The positioning and guiding part further includes a first mechanical assembly for removable mounting relative to a drive system, so that the first portion of the wire element can be positioned and guided by the positioning and guiding part so as to be able to be engaged with of the drive system for driving the wire element in the direction of its length at least in a first direction.