Abstract: A sutureless device and methods for closing a tissue opening that minimizes the labor, cost, and skill typically required is disclosed. The apparatus comprises two anchors that attach to either side of an open tissue wound. The two anchors are connected together by a tie strip; the tie strip has a plurality of teeth and a rack. As the wound edges and anchors are brought together the ratchet system on the tie strip prevents the anchors and tissue wound from reopening. To control the distance between the two anchors, a rack and pinion system and a key or a lever system is utilized. The rack is located on the tie strip and the pinion is located on the key.

Abstract: A surgical instrument for forming an end-to-end anastomosis includes first and second handles each supporting a shaft at a distal end thereof. The proximal ends of each shaft are coupled about a pivot such that movement of the handles correspondingly moves the distal ends of each shaft. A release mechanism is included that is actuatable to pivot a pair of bifurcated legs of each shaft between a first position for receiving first and second vessels and a second position that facilitate release of the respective first and second vessels. First and second posts are supported on each distal end and are configured to support an end of the respective first and second vessels thereon. The posts are adapted to connect to an electrical generator for communicating energy through each end of each respective first and second vessel to form an anastomotic seal.

Abstract: A method is used to manufacture an anvil of a surgical circular stapler. The anvil includes a head and a shank extending proximally from the head. The method includes forming the head of a surgical circular stapler using a metal injection molding process. The method also includes forming an annular array of staple forming pockets in the head. The method also includes machining the shank of the surgical circular stapler. The method also includes coupling together the head and the shank of the surgical circular stapler that were separately manufactured.

Abstract: A medical instrument has a capsule; an arm member disposed to protrude from the capsule; an operation wire connected to the arm member; a sheath configured to accommodate the operation wire; and a link configured to connect the sheath with the capsule, wherein the link has an engaging portion including a first surface intersecting with the longitudinal axis; and an engaged portion movable to an opposite position opposite to the first surface and a position spaced away from the first surface in spite of a relative position of the capsule with respect to the sheath, and configured to restrict a separation of the capsule with respect to the sheath when the engaged portion is disposed at the opposition position to contact the first surface, and wherein the capsule is rotatable in response to a rotation force from the sheath when the engaged portion is disposed at the opposition position.

Abstract: Described herein are passive nasal respiratory devices, in particular, passive nasal respiratory devices configured to achieve positive end-expiratory pressure (PEEP) in a subject wearing the device. PEEP devices may have a threshold pressure for opening during expiration. These devices may include a flap valve that opens on inhalation nested with a spring valve that opens when exhalation pressure exceeds a predetermined threshold. The device may be configured to be comfortably worn by a sleeping subject.

Abstract: A method for transfemoral percutaneous establishment of retrograde blood flow. More particularly, a transfemoral percutaneous approach to an interventional procedure on the neurovasculature performed through a transfemoral access while retrograde blood flow is established from the internal vessel artery to a second vessel.

Abstract: A method may include accessing an artery in communication with an ophthalmic artery of a subject, and advancing a microcatheter along the accessed artery so as to align a distal end of the microcatheter with an ostium of the ophthalmic artery, wherein the microcatheter includes a lumen having a guidewire positioned therein. In addition, the method includes proximally withdrawing the guidewire relative to the microcatheter so as to enable a distal portion of the microcatheter to assume a curved relaxed configuration, and cannulating the ostium with the distal portion of the microcatheter when the distal portion is in the curved relaxed configuration.

Abstract: A system, device and method for left atrial appendage occlusion detection is disclosed. The system for occlusion detection comprises a sheath; a delivery system comprising: a delivery catheter extending between a proximal end and a distal end; and a handle coupled to the proximal end of the delivery catheter; a medical tool coupled to a distal end of the delivery catheter at a target location within a portion of an organ of a patient, the medical device comprising a hub including a bore defining an axis, an occluder portion coupled to the hub and an anchor portion extending between a first end and a second end; at least one pressure sensor configured to measure a pressure of the target cavity while blood is suctioned form inside the left atrial appendage; and at least one processor configured to process the pressure measurement acquired from the at least one pressure sensor.

Abstract: Devices and methods for treating vascular defects, such as, for example, balloon-type aneurysms, are described herein. In one embodiment, an apparatus includes an insertion portion and an expandable implant. The expandable implant is configured to be deployed in an aneurysm and is coupled to the insertion portion. The expandable implant has a first portion and a second portion coupled to the first portion. The expandable implant is movable between a first configuration in which the first portion and the second portion are substantially linearly aligned and a second configuration in which the second portion at least partially overlaps the first portion.

Abstract: A tourniquet system embedded within the garment, the tourniquet system including a band, an optional bar, and an anti-pinch plate. The bar comprises an elongate portion of material having a first end portion, an intermediate portion, and a second end portion, at least one aperture formed in the bar so as to accept the band and allow the band to pass therethrough, at least one locking protrusion that extends from at least one of the first end portion or the second end portion. The anti-pinch plate includes one or more band receiving apertures formed so as to accept the band and allow the band to pass therethrough, wherein the anti-pinch plate includes one or more locking notches formed substantially along an edge portion of the anti-pinch plate, wherein the locking notches provide a means for securing at least a portion of the bar to the anti-pinch plate.

Abstract: An orthopaedic prosthetic assembly includes a femoral component configured to be attached to a distal end of a patient's femur. A tibial tray is configured to be attached to a proximal end of a patient's tibia. A tibial insert is provided that includes a spine extending proximally from a body, and a pin hole extending through the spine. A bushing is sized and shaped to be positioned in the pin hole of the spine. A hinge pin is sized and shaped to be positioned in the bushing to couple the tibial insert to the femoral component. The bushing includes a retaining tab configured to engage an inner wall of the pin hole to secure the bushing to the spine.

Abstract: Devices and techniques for adjusting an alignment for a first metatarsal may include making a plurality of cuts along the length of the first metatarsal. In different applications of the technique, a plurality of transverse cuts may or may not be made intersecting the longitudinal cuts. In either case, the cuts can separate the first metatarsal into two individual portions and release a removable wedge of bone. The different portions of the metatarsal can be moved relative to each other to adjust an anatomical alignment of one portion relative to another portion, for example in multiple planes. After suitably adjusting the alignment of the different bone portions, the portions can be fixed together.

Abstract: A neurovascular catheter having an atraumatic navigational tip is disclosed. The catheter includes an elongate flexible tubular body, a distal zone of the tubular body comprising: a tubular inner liner; a helical coil surrounding the inner liner and having a distal end, a tubular jacket surrounding the helical coil, and extending distally beyond the helical coil distal end to terminate in a catheter distal face, and a tubular radiopaque marker embedded in the tubular jacket. The catheter distal face comprises a first section that resides on a first plane which crosses a longitudinal axis of the tubular body at a first angle within the range of from about 35 degrees to about 55 degrees, and a second section that resides on a second plane which crosses the longitudinal axis of the tubular body at a second angle within the range from about 55 degrees to about 90 degrees.

Abstract: A surgical instrument comprises a proximal end. A distal end has an articulation region, a movement of which is controlled from the proximal end. A shaft is between the proximal end and the distal end. A plurality of steering cables extend from the proximal end to the distal end. An end effector comprises a clevis, the clevis including at least one channel that receives a portion of a steering cable of the plurality of steering cables.

Abstract: Disclosed is a four-jawed combinational scissor-grasper surgical tool for use in laparoscopy. Cutting and grasping functionalities are respectively enabled via movement of a pair of such specially contoured jaw members sliding against or splaying apart from the other pair. Also disclosed are means for achieving selectable interlocking of jaw members and mechanical linkage for their actuation by human user.

Abstract: A treatment system (100) for debriding an area of a tissue site is disclosed. In some embodiments, the system may include a debridement tool (122) which may be fluidly connected to a negative-pressure source (116) and a fluid source (118). The system may also include a control unit for interfacing with an operator and for regulating the application of negative pressure and delivery of treatment fluid to the debridement tool. The debridement tool may include multiple fluid conduits for delivering and removing fluid to and from the tissue site, as well as a brush (128) for assisting with the removal of necrotic tissue.

Abstract: Methods and devices for blunt dissection include a differential dissecting instrument (DDI) comprising a rotary drive train having a distal end configured to be pointed substantially at a complex tissue and a proximal end pointed substantially at, and associated with, a mounting base. The DDI comprises a drive wheel possessing an axis of wheel rotation coaxial with a central, longitudinal axis of the rotary drive train, the drive wheel located distally to, and rotated by, the rotary drive train. The drive wheel comprises a drive point located at a non-zero radius from the axis of wheel rotation. The DDI also comprises a differential dissecting member rotatably mounted distally to the drive wheel and having an axis of member rotational oscillation.

Abstract: Disclosed is an ultrasonic osteotome bit, which comprises a bit bar (1), a bit tip (2), and a liquid injection portion (3), one end of the liquid injection portion (3) being connected to the bit bar (1) and the other end of the liquid injection portion (3) being connected to the bit tip (2), wherein the ultrasonic osteotome bit further comprises a hollow liquid injection channel (10), the hollow liquid injection channel (10) penetrates from a tail end of the bit bar (1) to the liquid injection portion (3) along an axial direction of the bit bar (1), the liquid injection portion (3) is provided with a transverse liquid guide channel (20) penetrating transversely, i.e. substantially perpendicular to an axis of the bit bar (1), the transverse liquid guide channel (20) is in communication with the hollow liquid injection channel (10), and the transverse liquid guide channel (20) forms openings in lateral faces of the liquid injection portion (3).

Abstract: A bracket and a needle guide for an ultrasonic probe. include: a bracket formed to enclose the ultrasonic probe; at least one projection formed on the inside of the bracket; a needle guide body formed integrally with the bracket on one side of the bracket; a slot formed in the needle guide body so that a needle can be inserted thereinto and rotated therein; a cutout groove vertically formed on the lateral surface of the needle guide body to communicate with the slot; and an outlet through which the needle passing through the slot is drawn out of the needle guide body.

Abstract: A multi-needle assembly for cosmetic procedure includes a main body having an inner space extending from one to the other ends, a reciprocating member provided in the main body to be moved along an inner circumferential surface of the main body in a forward and backward direction, a needle member placed into the reciprocating member 4 and coupled therein, and having a plurality of needles that enter or exit through one end of the main body, a guide suction into or from which the plurality of needles enter or exit, in which the guide suction comprises an opening to be brought into contact with a skin and forms a suction force for sucking in foreign matter from inside while the opening is in close contact with the skin, and a length adjusting means for moving the reciprocating member in a forward and backward direction along a spiral groove and a slide groove formed in the inner circumferential surface of the main body to adjust a projecting length of the needles.

Abstract: A cannula with a removable and replaceable fluid seal system for use during arthroscopic surgery.

Abstract: In some embodiments an apparatus for providing access for a medical procedure in a patient's body cavity includes a stem configured for insertion through an opening in a body cavity wall. The stem has a bore and a cap is disposed at a proximal end thereof and includes an entry port in communication with the bore which receives an instrument to be inserted into the body cavity. An inflatable annular seal is disposed on the stem proximate the cap and a conduit extends through the cap providing pressurized gas at a first outlet in fluid communication with the body cavity providing insufflation pressure. A second outlet of the conduit is in fluid communication the seal, which when disposed inside the body cavity proximate the wall and inflated by pressurized gas, bears on an inner surface of the wall urging the cap into contact with an outer surface of the wall while sealing the opening.

Abstract: A surgical access device includes a cannula and a sleeve stop. The sleeve stop is configured for selective engagement with an elongated portion of the cannula, and configured to limit distal advancement of the cannula with respect to tissue. The sleeve stop is a unitary structure and includes a body portion having a first section and a second section. The first section and the second section are interconnected by a living hinge. The first section is configured to selectively engage the second section.

Abstract: A delivery device 100 includes a catheter assembly 120 and an operating handle 130. The operating handle 130 may include a nose 131 affixed to the catheter assembly 120, an axial shaft 180, a base 132 translationally fixed to a proximal end of the axial shaft, a screw 160 having external threads and a non-circular lumen 161, the axial shaft extending through the non-circular lumen, a proximal end 171 of a pull wire 170 being affixed to the screw, a knob 150 having internal threads engaged with the external threads of the screw, and a collar 140 extending at least partially around the axial shaft. When the collar 140 is in a proximal position, rotation of the knob 150 may deflect the distal end 121 of the catheter assembly 120. When the collar is in a distal position, rotation of the knob 150 may rotate the catheter assembly 120.

Abstract: A device for intra medullary antibiotic perfusion has a structure that can access easily from the outside and flexibly enables the administration of an antibiotic that is most suitable for a target site according to the circumstances. The device for intra medullary antibiotics perfusion (iMAP) 100 is a device for perfusing an antibiotic into the bone fracture surgical site. It comprises a fixation pin (iMAP pin) 110 which comprises a shaft 111, a side face opening 114 formed on the side face of the shaft a base end opening 115 formed in the base end part of the shaft 111, a hollow portion 113 penetrating from the side face opening 113 to the base end opening 115 of the shaft and a screw part 112 formed besides the front end of the shaft 111 and to be screwed into a bone. The fixation pin (iMAP pin) 110 is fixing into a bone externally at a bone fracture site.

Abstract: The present invention relates to a device (1) for neutralizing ectoparasites.

Abstract: An abrading implement for abrading surfaces comprises a multi-part, hollow holder and a flexible abrasive stratum secured within the holder. The abrasive stratum is flexible or deformable, and protrudes from the holder. A form internal to the abrading implement bears against the abrasive stratum to cause the abrasive stratum to protrude from the holder. The abrasive stratum may be perforated and coated with an abrasive such as silicon carbide.

Abstract: A spinal distraction system including a bearing connector fastened to a fixated rod and a sliding rod, wherein the sliding rod includes a spring and a stop ring is disclosed. A method of distracting vertebrae is also disclosed.

Abstract: Device for fixing a bony structure to a support member, the device comprising a first connecting member which comprises: a main body provided with a first passage configured for receiving the support member, and with a first opening configured for passing a flexible member therethrough; and a rod fixed to and/or monobloc with the main body and protruding therefrom. The device further comprises a first flexible member passing through the first opening of the main body and extending beyond the main body for attachment to the bony structure.

Abstract: Provided are rod coupler devices, systems, kits and methods, which include at least one saddle having a concave configuration that either abuts a bone fastener and/or a locking cap and is shaped so as to contact the rod in two or more lines of contact, which reduces pressure on the rod, and therefore permits use of a rod having various materials, such as PEEK, without significant deformation of the rod. Also provided is the saddle itself and integrated locking caps that include a saddle, the locking cap and a set screw. Also provided are elongate rods having advantageous shapes, configurations, and/or compositions for rod coupler devices, systems and methods. Further provided are screw and cap devices and systems that themselves include a concave configuration so as to contact a rod in two or more lines of contact, which reduces pressure on the rod.

Abstract: Devices and methods for enhancing the effectiveness of spinal stabilization, and particularly that of cervical spinal stabilization, are provided herein. More specifically, methods and systems are disclosed for effectively positioning occipital plates and spinal fixation assemblies within target vertebrae, while also reducing any associated patient trauma (e.g., muscle stripping, tissue damage, etc.). The systems and methods can utilize trans-lamina delivery of the spinal fixation assemblies to allow for the positioning of the fixation elements along the midline of the patient's spine.

Abstract: Modular surgical instruments and related methods are disclosed herein, e.g., for performing rod reduction, derotation, and/or set screw insertion during spinal surgery. An exemplary system can include an instrument body configured to couple to a bone anchor assembly to provide a modular platform for carrying out various steps of a surgical procedure. For example, the instrument body can receive a reduction instrument therethrough for reducing a spinal rod into the bone anchor assembly. A derotation instrument can be attached to the reduction instrument for performing derotation maneuvers or applying other manipulation forces. A modular driver or handle adapter can be attached to the reduction instrument and/or to the derotation instrument to facilitate rod reduction. Any of the instrument body, the reduction instrument, and the derotation instrument can include a working channel therethrough.

Abstract: A tool set for implanting a rod in a human spine in conjunction with bone screws includes a pair of end guide tools that receive opposite ends of the rod in channels and under manipulation by a surgeon facilitate transport of the rod toward the bone screws attached to the guide tools. Each end guide tool includes a laterally extending, rigid, rod holding structure located near a bottom surface thereof. Intermediate guide tools having pass-through slots are utilized to guide the rod to the bone screws at intermediate locations. For bone screw implantation, the end guide tools and intermediate guide tools are assembled with a driver. The driver is coaxial with the respective guide tool and rotatingly mateable thereto. The driver includes a stem and a nut-type fastener, the stem receivable in the guide tool. The fastener allows for rotation of the bone screw without rotating the attached guide tool.

Abstract: A system, and method of using the system, for changing the angle of a bone of a subject is provided by the present disclosure.

Abstract: The present invention relates to a series of orthopedic plates for use in repair of a bone. The plate has a Y-shaped profile or an X-shaped profile which includes an elongate central trunk with a complex contour and either one or two terminal pairs of arms that have a first arm and a second arm that form differing angles and lengths relative to the trunk portion of the plate. The arms include locking screw holes where the screws converge toward each other to provide for multiplanar fixation but which do not impinge.

Abstract: A bone nail (1) for the heel includes: a front portion (2) determined for insertion into one or more bones (14, 15, 16) or bone fragments of the heel and having a tip (3), and an arc-shaped main portion (4) extending from the front portion (2) and having a rear end (5), wherein the main portion (4) includes a tapered shape such that a cross sectional diameter of the main portion (4) within at least one first section (20) increases towards the rear end (5). According to embodiments, a curvature of the arc-shaped main portion (4) includes a radius of curvature rc which amounts to at least 130 mm. According to other embodiments, the tapered shape is a conical shape.

Abstract: Disclosed is a bone screw fixation device including two screws and only two. The bone screw includes: a first screw provided at its proximal end with a head for compressing the bone by an end-abutment; and a second screw provided at its distal end with a bone threading having a first helix pitch and at its proximal end with a bone threading having a helix with a pitch smaller than the first helix pitch.

Abstract: A fixation device comprising a shaft extending from a leading end to a trailing end, an aperture being eccentric from a centre of the trailing end, and, a channel extending from the aperture and along at least a portion of an external surface of the body toward the leading end, the aperture and channel being aligned to form a passage.

Abstract: The present invention relates to a screw drive having integrated torque protection, wherein two screw drives are incorporated in a screw head, one drive being an internal polygonal drive and the second drive being an internal multilobular drive. In addition, the invention relates to a screw having a screw drive.

Abstract: An intravascular catheter is provided, including a flexible elongate body; an expandable element positioned on the elongate body; a substantially linear thermal segment located proximally of the expandable element, the thermal segment defining a first flexibility, where the thermal segment is positioned between two portions of the catheter body each including a flexibility less than that of the thermal segment; a first fluid flow path in fluid communication with the expandable element; and a second fluid flow path in fluid communication with the thermal segment.

Abstract: A prostate therapy system is provided that may include any of a number of features. One feature of the prostate therapy system is that it can access a prostate lobe transurethrally. Another feature of the prostate therapy system is that it can deliver condensable vapor into the prostate to ablate the prostate tissue. Methods associated with use of the prostate therapy system are also covered.

Abstract: A pump system for pumping a coolant fluid for cooled radiofrequency ablation treatment includes a housing having a front, a back, a right side, a left side, a top surface, and a bottom surface, and a plurality of peristaltic pump assemblies. The top surface of the housing includes a central channel between at least two of the peristaltic pump assemblies configured to drain fluid away from the front of the housing. A cooled radiofrequency ablation system additionally includes a pump system and a generator having mating surfaces such that the pump system can sit stably on top of the generator.

Abstract: An ablation system includes multiple electrodes configured to contact body tissue of a patient, including two or more ablation electrodes for contacting respective locations in a target organ and a return electrode. A signal-generating unit includes multiple signal generators, which are configured to apply respective composite signals to respective ones of the ablation electrodes. The composite signals include multiple, respective signal components, including respective ablation signals, having different, respective ablation-signal amplitudes and phases at a common ablation-signal frequency, and respective probe signals having respective probe-signal amplitudes and different respective probe-signal frequencies. A processor is coupled to measure the probe signals received by each of the multiple electrodes, and responsively to the measured probe signals, to control the ablation-signal amplitudes and phases.

Abstract: A radio frequency ablation system, includes a single frequency RF signal generator, control circuitry configured to set phases and amplitudes of a plurality of replicas of the RF signal, a plurality of non-linear amplifiers, configured to amplify the plurality of replicas of the RF signal, and to drive a respective plurality of ablation electrodes in a patient body with the amplified replicas. A processor is configured to receive a superposition of the plurality of replicas as a return signal from a body surface patch electrode, and to adaptively adjust phases and amplitudes of the amplified replicas in response to the return signal with the control circuitry to zero crosstalk currents. In a tissue contact check mode of operation the phases of the amplified replicas are identical, and in an ablation mode of operation the phases of the amplified replicas differ from one another.

Abstract: A dual-output generator is configured to output two or more waveforms at different frequencies. In particular, the dual-output generator is configured to provide low-frequency output, which may be suitable for ultrasonic surgical instruments, and a high-frequency output, which may be suitable for electrosurgical instruments, while reducing the amplitude of all remaining frequencies other than the two selected low and high frequencies to about zero.

Abstract: Methods for detecting tubing in a pump assembly of a pump system are provided. For example, a method comprises connecting a power supply to each of a plurality of pump motors of the pump system. Each pump motor of the plurality of pump motors has a power supply cable configured to connect to the power supply and drives a pump head of a plurality of pump heads of the pump system. The method also comprises sensing a motor current from each of the power supply cables, determining whether tubing is loaded in each pump head, and, if tubing is not loaded in a pump head, then disconnecting from the power supply the power supply cable of the pump motor associated with the pump head in which tubing is not loaded. Systems for detecting the presence of tubing within a pump head of a plurality of pump heads also are provided.

Abstract: Pump assemblies and systems are provided. For example, a pump assembly comprises a pump head, a bezel surrounding an outer perimeter of the pump head, a motor, and tubing. The bezel comprises a bezel upper side, a bezel lower side opposite the bezel upper side, a bezel inlet side extending from the bezel upper side to the bezel lower side, and a bezel outlet side opposite the bezel inlet side and extending from the bezel upper side to the bezel lower side. The bezel defines an inlet channel on the bezel inlet side and an outlet channel on the bezel outlet side, each of the inlet channel and the outlet channel guiding the tubing into the pump head. An exemplary pump system comprises a plurality of pump assemblies that each supply a fluid to a cooling circuit and a base for supporting the plurality of pump assemblies.

Abstract: An electrode for high frequency medical device includes: a base; and a coating layer which is laminated onto the base, includes at least either one of a fluororesin and a silicon compound, has a volume resistivity of 1.0×100 to 1.0×1013?·×cm, and has a thickness of 1 to 30 ?m. The electrode is configured to denature and dissect a living tissue by a Joule heating due to a high frequency current and an arc discharge.

Abstract: An electrode head is disclosed that utilizes electrically conductive or dissipative fabric to exchange electrical energy with tissue. This electrode head may be used for any appropriate application, such as a catheter electrode, a return electrode, or the like. Any appropriate function may be provided by this electrode head, such as tissue ablation, tissue mapping, or providing an electrical ground.

Abstract: The present invention discloses a low temperature polypectomy snare surgical device, system and method. The device includes: a liquid input unit, configured to input liquid to a target object in response to a liquid input signal to form a thin layer of a conductive medium between an emission electrode and a loop electrode; a bipolar electrode socket connector, connected with a high frequency generator through a high frequency cable to receive a first input voltage generated by the high frequency generator; the emission electrode, configured to receive the first input voltage generated by the high frequency generator via the bipolar electrode socket connector and apply a first voltage between the emission electrode and the loop electrode.