Abstract: A surgical instrument including a handle portion, a body portion, a movable handle, a tool assembly, a drive beam and a closure apparatus is disclosed. At least one of the closure apparatus and a contact surface of the tool assembly include a plastic surface. The body portion extends distally from the handle portion. The movable handle is located on the handle portion and is in mechanical cooperation with a drive member. The tool assembly includes an anvil, a cartridge assembly and a contact surface. The drive beam includes a proximal engagement portion and is configured to engage a portion of the drive member. The closure apparatus is configured to engage the contact surface of the tool assembly. At least a partial actuation of the movable handle moves the closure apparatus distally into engagement with the contact surface to approximate the anvil and the cartridge assembly.

Abstract: A method and device for controlling the compression of tissue include clamping tissue between a first clamping member and a second clamping member by driving at least one of the clamping members with an electric motor toward a predetermined tissue gap between the clamping members and, during the clamping, monitoring a parameter of the electric motor indicative of a clamping force exerted to the tissue by the clamping members. The method and device include, during the clamping, controlling the electric motor, based on the monitored parameter, to limit the clamping force to a predetermined maximum limit.

Abstract: A surgical instrument for assessing a mechanical property of tissue under compression is disclosed herein comprising a handle; an elongated shaft distally disposed to the handle; an end effector distally disposed to the elongated shaft and comprising a first and a second jaw member pivotally engaged with each other to open and close when operated by the handle; a force gauge assembly comprising a compression head and a force transducer; an adjustable spacer assembly disposed on the first jaw member proximally to the force gauge assembly and comprising an adjustable spacer member and a spacer base; a control mechanism supported by the elongated shaft and disposed adjacent to the handle for producing an actuation force for controlling the adjustable spacer assembly; and at least one control link operably coupled with the control mechanism and the spacer base, and configured to transmit the actuation force.

Abstract: A medical device including an elongate member extending from a proximal end toward a distal end, the elongate member having a lumen with a longitudinal axis, a hub portion towards the proximal end of the elongate member and configured for a user to hold and manipulate a position of the elongate member, a base portion including a first groove and a second groove separated by an opening, and two wings disposed towards a distal end of the medical device, the two wings being opposite each other across the longitudinal axis and on opposite sides of the base portion, wherein, the two wings are configured to move in relation to the longitudinal axis and wherein each wing has an elongate slot having a closed first end at a location between the base portion and a peripheral end of the wing.

Abstract: A surgical buttress loading assembly includes a surgical buttress applicator, an anvil buttress, and a cartridge buttress. The surgical buttress applicator includes an anvil buttress loading unit defining a buttress cavity and a strap cavity therein, and a cartridge buttress loading unit defining a buttress cavity and a strap cavity therein. The anvil buttress includes a tubular body disposed within the buttress cavity of the anvil buttress loading unit and a strap extending from the tubular body and positioned within the strap cavity of the anvil buttress loading unit. The cartridge buttress includes a tubular body disposed within the buttress cavity of the cartridge buttress loading unit and a strap extending from the tubular body and positioned within the strap cavity of the cartridge buttress loading unit.

Abstract: Surgical instruments operable to apply a grasping force to a tissue include a cable driven actuation mechanism. A surgical instrument includes an end effector and a first actuation mechanism. The end effector includes an end effector base, an articulated jaw pivotally coupled to the end effector base, and an opposing jaw. The first actuation mechanism includes a first pulley and a first cable segment. The first pulley is mounted for rotation relative to the end effector base. The first cable segment is interfaced with a sector of the first pulley. The first cable segment is coupled to the articulated jaw. The first actuation mechanism is operable to retract the first cable segment to cause the articulated jaw to apply a grasping force to a tissue disposed between the articulated jaw and the opposing jaw.

Abstract: A tool assembly includes an anvil and a cartridge assembly pivotally coupled to one another. A locking member is rotatably supported on a distal portion of the cartridge assembly and positioned for receipt in a bore defined in a distal portion of the anvil. The locking member is operably coupled to a sled for advancing staples from the cartridge assembly. Advancement of the sled rotates the locking member relative to the bore to approximate the distal portions of the anvil and cartridge assembly.

Abstract: This tissue-joining member comprises non-crosslinked fibrous collagen. A laminate body comprises: a support; a joining member that is layered on one surface of the support; and a first adhesive layer that is layered on said one surface of the support in a region on which the joining member is not layered. The method for using the joining member or the laminate body comprises: a heating step in which the joining member or the laminate body is heated to less than 60° C. and greater than body temperature after having being layered on the tissue; and a cooling step in which the heated joining member or laminate body is cooled to body temperature or lower. A treatment system comprises a heating unit and the joining member or the laminate body.

Abstract: A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened.

Abstract: A surgical anvil assembly for use with a circular stapling instrument includes an anvil center rod defining a longitudinal axis and an anvil head pivotally coupled to the anvil center rod and movable between a first operative condition and a second tilted condition. The anvil assembly further includes a locking assembly configured to selectively lock the anvil head in each of the first and second conditions.

Abstract: An indwelling clip includes a clip main body having a pair of arm plate portions that can be opened in a substantially V shape with an elastic force and claw portions formed on respective tip portions of the arm plate portions. The indwelling clip also includes a fastening ring attached to the arm plate portions so as to be movable along a longitudinal direction of the pair of arm plate portions and be able to close the pair of arm plate portions by moving in a direction of the claw portions. An outer surface of the claw portion is provided with a fluorescent body containing a fluorescent pigment emitting red or near infrared light by being irradiated with excitation light.

Abstract: A method of using an occlusion clamp, the method comprising: (a) repositioning a tongs so that tissue interposes the tongs, the tongs comprising a first longitudinal segment operatively coupled proximally to a second longitudinal segment, the tongs including a first spring exerting a proximal bias tending to direct a proximal portion of each of the first and second longitudinal segments toward one another, where each of the first and second longitudinal segments includes a distal free end; (b) repositioning a second spring distally along each of the first and second longitudinal segments to exert a bias tending to direct a distal portion of each of the first and second longitudinal segments toward one another, where repositioning of the tongs so that tissue interposes the tongs precedes repositioning the second spring distally along each of the first and second longitudinal segments.

Abstract: Devices and methods for treatment of a patient's vasculature are described. Embodiments may include a resilient self-expanding permeable implant having a radially constrained elongated state configured for delivery within a catheter lumen and an expanded state with a longitudinally shortened configuration, and a plurality of elongate filaments which are woven together. Each of the plurality of elongate filaments may have a diameter between about 0.0005 and about 0.005 inches. The implant includes at least some filaments consisting of nitinol and at least some composite filaments that are drawn filled tube wires comprising an external nitinol tube and a highly radiopaque material concentrically disposed within the external tube. The implant has at least about 40% composite filaments relative to a total number of filaments, and wherein a total number of filaments is about 10 to about 300.

Abstract: A device for treating an aneurysm with a braided implant can include a delivery tube having a spiral groove on an outer surface of the delivery tube and a braided implant having a spiral segment. The spiral segment can engage the spiral groove as the braided implant is delivered to an aneurysm treatment site. At the treatment site, the braided implant can be implanted, and the delivery tube can be rotated to disengage the spiral segment from the spiral groove. Once released, the spiral segment can reshape to occlude the neck of the aneurysm.

Abstract: Disclosed herein is a method of producing high purity pentagalloyl glucose (PGG), analogues or derivatives thereof, at least 99.9% pure, by washing with dimethyl ether. PGG may be provided in a kit, including a hydrolyzer for dissolving the PGG and a saline solution. Also disclosed herein is a device for delivery of a therapeutic solution to a blood vessel. The device may be a catheter having an upstream balloon and a downstream balloon. The upstream balloon may be expanded to anchor the catheter and occlude antegrade blood flow. The downstream balloon may be expanded to occlude retrograde blood flow, creating a sealed volume within the blood vessel. The downstream balloon may have pores configured to deliver a therapeutic inflation solution into the sealed volume or a portion thereof. The downstream balloon may be expanded by the expansion of a balloon disposed inside the downstream balloon.

Abstract: A support strap including a band, a windlass strap and a windlass handle. The band has a buckle end and a lead end, and the windlass strap is secured to the band at a first positioned and a second position along the length of the wand. The windlass handle provides a windlass bar and the windlass handle is secured to the windless strap at the position of the windlass bar. Rotation of the windlass handle will rotate the windlass bar and wind the windlass strap.

Abstract: A wearable device comprises a tourniquet. The tourniquet comprises an inflatable chamber and is configured to occlude blood flow in an artery of a wearer. The wearable device comprises a compressed gas source. The wearable device comprises a valve. The valve comprises a valve input in fluid communication with the compressed gas source, and a valve output in fluid communication with the inflatable chamber. The wearable device comprises at least one fixed pressure regulator. Each fixed pressure regulator comprises a regulator output in direct fluid communication with the valve input, and a regulator input in direct fluid communication with the compressed gas source. Each fixed pressure regulator is configured to receive at least one compressed gas from the compressed gas source and regulate a pressure of the at least one compressed gas delivered to the valve. The wearable device comprises a switch. The switch is configured to operate the valve.

Abstract: A passive end effector of a surgical system includes a base connected to a rotational disk, and a saw attachment connected to the rotational disk. The base is attached to an end effector coupler of a robot arm positioned by a surgical robot, and includes a base arm extending away from the end effector coupler. The rotational disk is rotatably connected to the base arm and rotates about a first location on the rotational disk relative to the base arm. The saw attachment is rotatably connected to the rotational disk and rotates about a second location on the rotational disk. The first location on the rotational disk is spaced apart from the second location on the rotational disk. The saw attachment is configured to connect to a surgical saw including a saw blade configured to oscillate for cutting. The saw attachment rotates about the rotational disk and the rotational disk rotates about the base arm to constrain cutting of the saw blade to a range of movement along arcuate paths within a cutting plane.

Abstract: A surgical instrument is provided. The surgical instrument has a drill bit employable in drilling procedures wherein the drill bit is made of a plurality of radially positioned drill bits which also may be utilized as a grasping device. As a result, the drill bit may not only drill into bone, but may also be used to grasp an object, such as a portion of the body. The present surgical instrument reduces contamination which may otherwise result from switching surgical instruments from a drill to a grasping mechanism or from the need to drill multiple holes into the patient's body.

Abstract: An improved method and device are provided for forming and/or maintaining a percutaneous access pathway. The device generally comprises an access pathway. The provided assembly substantially reduces the possibility of injury while accessing and/or re-accessing a body space.

Abstract: A bone treatment guide, a bone treatment guide set, and a method for using a bone treatment guide are provided that enable a treatment tool, such as a trephine, to be accurately disposed relative to a bone of a patient, and that can keep a positioning member, such as a guide pin, from affecting treatment using the treatment tool. A parallel guide 5 has a positioning guide portion 13 that is to be connected to a guide pin 2, which is to be temporarily fixed to a patient's femur 101, and a treatment tool guide portion 14 configured to be able to guide a trephine 3 for treating the femur 101 toward a position at which the trephine 3 is to enter the inside of the femur 101 and in an entering direction, the treatment tool guide portion 14 being arranged in an area different from the positioning guide portion 13.

Abstract: Mechanical thrombectomy apparatuses (devices, systems, etc.) and methods for deploying and/or positioning them within a vessel and/or using them and/or removing a thrombus, e.g., clot, from within a vessel using them.

Abstract: The present disclosure relates to electrically controllable surgical tools. In general, surgical devices are provided having an electrically controllable, fingered operating end for use in angiography, endovascular and/or neurological surgery. The finger(s) at the operating end can be made from ionic polymer metal composite (IPMC) material to facilitate control of the finger(s).

Abstract: A surgical instrument with improved end-effector gripping force. The instrument comprises a shaft, which may be inserted into a body of a patient. The articulated end-effector is mounted on the distal extremity of the instrument shaft and comprises a plurality of links interconnected by a plurality of joints, whose movements are remotely actuated by the surgeon's hands. This remote actuation is accomplished through mechanical transmission, mainly along flexible elements, which are able to deliver motion from a set of actuation elements, placed at a proximal extremity of the shaft, to the instrument's articulated end-effector. The articulated end-effector further comprises one or more cam-and-follower mechanisms that are able to amplify the force transmitted by the flexible elements so that the actuation force at the instrument jaws is maximized and the tension on the transmission elements minimized, thus increasing the fatigue resistance and life of the instrument.

Abstract: A holder for mounting a hand tool to a surface has a suction cup positionable upon a surface. A yoke is connected to a central area of the suction cup, and is movable in a vertical direction relative to the surface, to distort the suction cup to secure the suction cup and yoke to the surface. A frame includes a cradle shaped to receive and support the hand tool, and a base. An extension connects the base and the cradle. A cam pin is movable within the frame, and has a cam profile that slides along the cam engagement surface of the yoke to displace the yoke along a vertical axis to increase or decrease the pressure between the suction cup and the surface.

Abstract: A surgical cutting tool includes an elongated shaft and a cutting head. The shaft defines a coupling portion terminating at a proximal end of the shaft, a stem portion, and a distal portion. The stem portion defines a central axis. The coupling portion optionally defines a deflection surface positioned oblique with respect to the central axis and connected with a first driven surface and a second driven surface. Upon insertion into a drive chuck, the deflection surface promotes self-alignment of the cutting tool and the drive chuck.

Abstract: A surgical incision apparatus and method for puncturing a cutaneous layer of a subject for providing guided access to a subcutaneous organ or subcutaneous cavity (or specified target region) of the subject. The apparatus may include a retention body configured for securing a cutting tool therein and a housing configured for receiving the retention body. The apparatus includes a guidewire holder member configured for receiving a guidewire therein and aligning with the guidewire to allow the cutting tool to travel along the guidewire. The retention body is configured to be movably attached relative to the housing to allow the retention body and cutting tool to advance toward the subject to a deployed position, and subsequently withdraw to a retracted position.

Abstract: A disposable, sterile guide constructed of medically-acceptable plastic used for compartmentalizing and therefore protecting the ligament or fascia during three different orthopedic surgical procedures: ECTR, ECuTR, and EPFR. This device reduces the risk of damage to any other part of the surrounding anatomy. The device is disposable and packaged so as to be sterile and therefore readily usable by the surgeon means that it can reduce the risk of infection and is a less expensive alternative to traditional non-disposable, metal instruments that must be sterilized prior to each procedure.

Abstract: A method of testing a jaw force of an ultrasonic surgical instrument includes securing a blade of an end effector of the ultrasonic surgical instrument, clamping a jaw member of the end effector against the blade such that a sensor is received within a notch of the jaw member of the end effector, and measuring the jaw force of the end effector using the sensor.

Abstract: A system, method, and apparatus for guiding a needle into a target location of a patient's body are provided. The system includes a planned needle guide trajectory and a guide for removable attachment to a smartphone. The guide includes at least one needle guiding aperture extending substantially perpendicularly to a screen of the smartphone. The needle guiding aperture defines an actual needle guide trajectory. An inclinometer application is running on the smartphone. The inclinometer application indicates to a user conformance of the actual needle guide trajectory to the planned needle guide trajectory.

Abstract: A medical device for the insertion of a tube, with which a tube is introduced from the oral or nasal cavity to the oesophagus of a patient. The device includes tubing and an inlet body, the inlet body is adapted to be arranged between the posterior pharynx and the upper third of the oesophagus of a patient, and the inlet body is joined to the tubing at a point along the vertical dimension thereof; the tubing and the inlet body also being in connection through a through hole which communicates them internally.

Abstract: A catheter assembly may include a cannula. The cannula may include a distal tip, an elongated tubular shaft, and an inner lumen formed by the elongated tubular shaft. A first portion of the elongated tubular shaft may have a first outer diameter. The first portion may be proximate the distal tip. A second portion of the elongated tubular shaft may have a second outer diameter. The second outer diameter may be greater than the first outer diameter. The catheter assembly may also include a catheter adapter, which may include a catheter and a catheter hub. The second portion of the elongated tubular shaft may be at least partially disposed in the catheter hub.

Abstract: An access assembly includes an instrument valve housing and a valve assembly disposed within the instrument valve housing. The instrument valve housing includes upper and lower housing sections. The valve assembly includes a centering mechanism, a seal assembly, and a guard assembly. The centering mechanism is configured to bias the valve assembly towards a generally centered position within the instrument valve housing. The centering mechanism includes a base seal member having an annular base and a flange portion. The flange portion includes an arcuate portion configured to adjustably engage first and second surfaces of the instrument valve housing in a sealing relation. The seal assembly is attachable to the centering mechanism. The seal assembly is configured to engage a surgical instrument inserted into the access assembly in a sealing relation. The guard assembly is attachable to the centering mechanism.

Abstract: The invention relates to an external fixator device and a method of its use in treating bone fractures and in orthopedic interventions, such as corrective osteotomies.

Abstract: Open implant closure structures include a helically wound guide and advancement flange form having pivot-splay accommodating and splay control surfaces with opposing load flanks in initial non-parallel relation.

Abstract: Implants with grip grooves are disclosed herein. In some embodiments, an implant includes a rod-receiving recess defining a rod axis where an inner surface of the rod-receiving recess defines two grip grooves extending parallel to each other and the rod axis. Each grip groove defines two edges where the grip groove intersects the inner surface, the four edges of the two grip grooves together defining a circular radius about the rod axis. The implant includes a retaining member configured to move with respect to the body to apply a force against a rod that is perpendicular to the rod axis, the force engaging the rod against the four edges of the grip grooves, where the engagement of the four edges of the grip grooves against the rod restrains rotational movement of the rod about the rod axis.

Abstract: A receiving part for receiving a rod for coupling the rod to a bone anchoring element, the receiving part including: a receiving part body having a channel for receiving a rod and defining an accommodation space for accommodating a head of a bone anchoring element, the accommodation space having an opening for inserting the head; and a pressure element at least partially in the accommodation space, the pressure element including a first portion having a recess to receive the rod, and a second portion having a flexible portion to clamp the head, wherein the pressure element is moveable along a longitudinal axis of the receiving part body from an inserting position to insert the head, to a pre-locking position to clamp the head in the receiving part by a pre-stress exerted by the pressure element, to a locking position to lock the head in the receiving part.

Abstract: A pivotal bone screw assembly includes a receiver having a base defining a lower portion of a central bore, and a pair of upright arms extending upward from the base to define an open channel configured to receive an elongate rod. The uprights arms include opposed internal surfaces with a guide and advancement structure configured for engagement with a closure top, and side outer surfaces opposite the internal surfaces with tool engagement grooves extending horizontally and circumferentially to the front and back faces of the receiver. The assembly further includes a shank having a head and an anchor portion configured for attachment to the bone, with the head being positionable into the central bore of the receiver with the shank extending downward through the lower opening. The lower opening is configured to provide for increased pivotal movement of the shank with respect to the receiver in at least one direction.

Abstract: Surgical instruments, methods, and systems are provided for securing spinal fixation elements to bone. For example, a spinal fixation system is provided that has a receiver with proximal and distal ends. The proximal end of the receiver is configured to receive various fixation members, such as spinal rods and set screws, therein. The distal end of the receiver has a hook member that is operably coupled thereto and has an opening that is configured to receive bone therein. The hook member is configured to be secured to bone without penetrating the bone.

Abstract: A spinal construct includes a fastener configured for attachment with sacral and/or pelvic tissue of a body. A connector includes a mating element engageable with the fastener and includes a receiver. A spinal implant is engageable with the receiver between a capture configuration and a removable configuration. A multi-axial fastener is connected with the spinal implant. Systems, implants, instruments and methods of use are disclosed.

Abstract: A rod reduction tool assembly includes an outer tube with outer tangs for engaging a bone anchor, an inner partially tubular pin support and a threaded cap mated to the outer tube and engaging the inner pin support.

Abstract: A compression force magnifier comprising: an engaging surface for attaching to a bone plate; a ramped component above the engaging surface, the ramped component having a bottom surface adjacent the engaging surface and an angled upper surface; and a hole extending through the ramped component and the engaging surface.

Abstract: A bone fixation assembly is disclosed. The bone fixation assembly may include a bone fixation plate including a fastener hole and a cavity adjacent to the fastener hole. The bone fixation assembly may also include a clip. The clip may include a body having a partial circular shape, the body positioned at least partially in the cavity. The clip may further include a plurality of tabs extending inward relative to the partial circular shape of the body, each tab having a convex shape extending inward relative to the partial circular shape of the body, wherein the body and the plurality of tabs are positioned below a top surface of the bone fixation plate.

Abstract: Bone plates for engaging bone members are described herein. The bone plates can include features that accommodate the underlying anatomy of different types of bone, such as the proximal portion of the ulna. The bone plate can receive one or more fasteners to secure the bone plate to the proximal ulna. A reverse angle fastener may be included to target the olecranon process of the proximal ulna.

Abstract: An apparatus for stabilization of a bone fracture site, including a wire that is configured to be positioned through corresponding holes of a first bone and an adjacent second bone; and a tension washer coupled to a first end of the wire, the tension washer rotatable about the first end of the wire, wherein the wire is configured to be positioned through the corresponding holes of the first and the second bone, the tension washer is configured to be positioned proximate a first surface of the second bone, wherein the tension washer includes a first surface having a length longer than a diameter of the corresponding holes of the first and the second bones, wherein the tension washer is configured to rotate such that the first surface of the tension washer abuts the first surface of the second bone.

Abstract: The present application relates to the technical field of medical instruments and provides an anti-loosening medical screw based on an organism osteogenesis function. The medical anti-loosening screw comprises a screw cap and a screw rod connected to the screw cap. The screw rod comprises a main rod and a thread spirally wound around the main rod. The cross section of the main rod is non-circular. The present medical anti-loosening screw based on an organism osteogenesis function can be applied to the medical fields such as orthopedics (spine, four limbs, pelvis, joints, etc.), maxillofacial surgery, odontology, and veterinarians and can be effectively prevented from loosening after operation after being implanted.

Abstract: A robotic system may include a robot base and a rod feeding subassembly coupled to the robot base that includes a feeding actuator configured to selectively move a surgical rod. The robotic system may include a brake subassembly coupled to the robot base that includes a brake actuator configured to receive the surgical rod from the rod feeding subassembly, and selectively fix a first portion of the surgical rod with respect to the brake subassembly. The robotic system may include a bending subassembly coupled to the robot base that includes a bending actuator configured to selectively rotate to engage a second portion of the surgical rod and bend the second portion of the surgical rod with respect to the first portion of the surgical rod so that the first portion and the second portion of the surgical rod define a first bend angle.

Abstract: A screw guide assembly includes a guide body extending along a central longitudinal axis. The guide body has a proximal end portion having an attachment face extending perpendicular to the longitudinal axis and a distal end portion having a screw support member extending away from the longitudinal axis. The screw support member is configured to allow for the insertion of a screw at an angle oblique relative to the longitudinal axis. A wire guide is removably inserted into the screw support member. A method of inserting a screw using the assembly is also disclosed.

Abstract: A medical treatment tool includes: a grasping portion having a first jaw and a second jaw; a plate-shaped blade that is provided in the first jaw and that has a thickness direction; a heater that supplies, to the first blade, thermal energy for treating a tissue grasped by the grasping portion; an energy insulating member that is arranged such that only an output surface of the blade, which comes into contact with the tissue, is exposed and that blocks leakage of the thermal energy to an outside of the first jaw; and first wiring that supplies electrical energy to the heater, wherein the blade, the heater, and the first wiring are arranged so as to be laminated in the thickness direction, and an area of a supply surface where the heater supplies the thermal energy to the blade is larger than an area of the output surface.

Abstract: Electrosurgical generators having improved functionality and user interface. In an example, the user may modify therapy output parameters without interrupting therapy delivery within a therapy regimen. In an example, the display shows both therapy amplitudes and encountered impedances for a plurality of therapy pulses in different portions of a display. In an example, the electrosurgical generator is operable in a triggered mode using a cardiac signal trigger and provides the operator with an estimate of remaining time that is calculated in light of a calculated cardiac rate.