85 results about "Suture cutter" patented technology

The invention relates to an adjustable electric intracavity cutting stitching instrument, and relates to the technical field of stitching instruments. The device comprises a handle, a rotating head, a suturing rod and a suturing head, the suturing rod is connected with the handle, the suturing rod is sleeved with an outer pipe, the handle is used for driving the outer pipe to move in the length direction of the suturing rod, and the rotating head is rotationally connected to the handle, fixed to the outer pipe and used for driving the outer pipe to drive the suturing rod to rotate. The sewing head is rotatably connected to the end, away from the handle, of the sewing rod through a rotating assembly, a driving assembly is arranged on the sewing rod, connected with the rotating assembly and used for driving the rotating assembly to rotate, a handle and a rotating motor are arranged on the rotating head, the rotating motor is connected with the driving assembly through an electromagnetic clutch, and the handle is rotatably connected to the rotating head. And the base is fixed with the driving assembly. According to the invention, manual or automatic adjustment can be carried out according to conditions so as to realize the effect of accurate control or rapid control.

The application provides a laparoscope reciprocating suture device middle wire guide intermittent release mechanism, the suture device comprises a curved needle mounting block, the curved needle mounting block is provided with a curved needle groove, a curved needle is movably arranged in the curved needle groove, the curved needle performs curve movement along the curved needle groove, the curved needle mounting block is provided with a first opening and a second opening, the first opening is located at the front end of the curved needle groove, the second opening is movably connected with a wire guide, the wire guide is connected with a suture wire, and the intermittent release mechanism is arranged at the position of the second opening.The wire guide is limited or released, the wedge-shaped teeth between the rotating buckle and the rotating buckle base, the reset spring and the two-face cutting flange are arranged, so that the curved needle automatically and intermittently draws out the wire guide from the second outlet and separates from the wire guide when reciprocating, the wire guide remains in the second outlet position, manual operation is not required for releasing the wire guide or limiting the wire guide each time, the order of suture wire routing is ensured, and the reliability and convenience of surgical suturing are improved.

The application discloses a suture assembly with an unlocking state and a locking state; in the unlocking state, the safety mechanism is separated from the third operating member to unlock the clamping mechanism, and in response to the third operating member being operated, the clamping member moves from a connecting position connected with the sleeve assembly to a separating position separated from the sleeve assembly to separate the suture assembly from the sleeve assembly; the safety mechanism is combined with the first operating member to lock the first operating member; in the locking state, the safety mechanism is combined with the third operating member to lock the clamping mechanism to keep the clamping member connected with the sleeve assembly; the safety mechanism is separated from the first operating member to unlock the first operating member, and in response to the first operating member being operated, the executing mechanism executes corresponding movement. The suture assembly can ensure that the clamping mechanism is not mistakenly operated when the driving executing mechanism moves, so that the suture assembly is not separated from the sleeve assembly, and the normal operation of the surgery is effectively ensured.

A suturing device includes a first member, a distal carriage connected with the first member, a proximal carriage connected with the first member, a receiver connectable to at least one of the distal carriage and the proximal carriage, and an elastic coupling that couples the distal carriage and the proximal carriage. The first member is elongate and includes a footplate. The footplate includes a slot configured to retain a suture connector. The distal carriage and the proximal carriage are slidable with respect to the first member. Movement of the proximal carriage with respect to the first member results in movement of the receiver with respect to the first member. The receiver includes a suture connector capture that captures the suture connector. The elastic coupling is configured to compress when the distal carriage contacts an obstruction allowing the receiver to move with respect to the distal carriage and the first member.

The utility model provides a driving device for a stitching instrument and the stitching instrument, the driving device for the stitching instrument comprises a first driving piece, a sliding frame connected with a suspension device of the stitching instrument and a stop block, and the first driving piece is provided with an output part capable of moving transversely; the sliding frame is transversely and movably arranged; the check block is movably connected with the sliding frame and has a transmission position extending into the moving path of the output part and an avoiding position exiting from the moving path of the output part, when the check block is located at the transmission position, the output part is in drive butt joint with the sliding frame, the output part drives the sliding frame to move by pushing the check block, and when the check block is located at the avoiding position, the output part is separated from the sliding frame in a drive mode. The sliding frame can move bidirectionally relative to the output part. The utility model solves the problem that the operation of the stitching instrument in the prior art is time-consuming and labor-consuming.

The invention discloses a lumbar intervertebral disc fibrous ring stitching instrument, and relates to the technical field of lumbar intervertebral disc fibrous ring stitching. Comprising a first sleeve, the bottom of the first sleeve is rotatably connected with a second sleeve, a guide wire slides in the first sleeve in a limited mode, a suture rod is installed at the end of the guide wire, a puncture table is installed at the end of the suture rod through a puncture adjusting assembly, and an electric push rod is installed on the surface of the inner wall of the bottom end of the first sleeve. According to the device, through the arrangement of the puncture table, the auxiliary table, the abutting plate and the puncture adjusting assembly, a suture line can be clamped in the puncture process of the puncture table, and in the puncture process, the resistance of the puncture table may cause the suture line to fall off from a threading hole in the puncture table. The suture line is fixed through the clamping device, it can be ensured that the position of the suture line is stable, displacement caused by external force is avoided, the stable position of the suture line is beneficial for forming a firm line knot, and the risk of suture failure caused by loosening of the line knot after an operation is reduced.

The utility model relates to a prepuce cutting stitching instrument, in particular to a prepuce cutting stitching instrument capable of accurately positioning, which comprises a shell, a guide tube, a sliding tube and the like, the top of the shell is connected with the guide tube, the sliding tube is slidably connected in the guide tube and extends into the shell, and the left side and the right side of the guide tube are respectively provided with an opening. And the sliding tube extends out of the guide tube through the opening. According to the prepuce circumcision knife, the prepuce can be subjected to circumcision through the cooperation of the upper annular blade and the lower annular blade, meanwhile, the push block can downwards push the anastomosis nails in the nail grooves, the anastomosis nails can be bent to suture the prepuce under the action of the suture grooves, the prepuce can be accurately positioned through the positioning nails, the overlong prepuce can be effectively cut, and the prepuce can be prevented from being damaged. The frenum is prevented from being too short or misplaced, so that a good cutting effect is achieved, and the cutting position can be accurately positioned by using simple steps through single-person operation.

The utility model relates to a surgical stitching instrument and an end actuator thereof, the end actuator comprises a first clamping component, a second clamping component and a push broach piece, the second clamping component is movably connected with the first clamping component and can be matched with the first clamping component to clamp tissue, the first clamping component is provided with a feed groove extending in the axial direction and a nail bin provided with anastomosis nails, and the second clamping component is provided with a push broach piece. The feed groove divides the opposite surfaces of the first clamping component and the second clamping component into a first part and a second part which are located on the two sides of the feed groove, the width of the first part is larger than that of the second part, and the nail bin is located on the first clamping component where the first part is located. According to the end executor, the nail bin is arranged on the single side of the feeding groove, the function of precisely suturing tissue needing to be reserved is achieved, meanwhile, the tissue to be cut off can be efficiently cut off, and resource waste cannot be caused; by reducing the width of the second part, the end effector is particularly suitable for treating the situation that the excision range of the tissue to be excided is narrow, and the flexibility and adaptability of surgical operation are remarkably improved.

A suture passer for passing a suture across a tissue. The suture passer can include an upper jaw member and a lower jaw member extending from an elongate member. The lower jaw member can have a curved portion that offsets a straight portion of the lower jaw member from the central axis of the elongate member. The lower jaw member can house a needle that can be deployed across a tissue to pass a suture across.

The application discloses a suture device, which comprises a core tube assembly, two positioning wings and two wire cartridge parts. The core tube assembly comprises a working end and an operating end. The two positioning wings are respectively hinged to the working end of the core tube assembly. The two wire cartridge parts are independent of each other. The two positioning wings are configured to rotate around the hinged positions on the working end, so that the distal ends of the two positioning wings are close to or away from each other. Each wire cartridge part comprises a fixed part, at least one of the two wire cartridge parts comprises a wire storage part, and the two wire cartridge parts are respectively detachably connected to the distal ends of the two positioning wings through the fixed parts and are configured to move with the movement of the two positioning wings. The wire storage part is configured to store sutures. The suture device can improve the suture efficiency and success rate.

The utility model relates to a stitching instrument and an outer tube assembly. The outer tube assembly comprises an outer tube and a thread hook. A first receding opening is formed in the side wall of the far end of the outer pipe. The thread hook is rotatably arranged in the far end of the outer tube, one end of the thread hook enters the first avoiding opening when the thread hook executes a thread hooking action, and the opening wall of the first avoiding opening is used for enabling the thread hook to stop rotating in the first rotating direction when the thread hook abuts against and is matched with the thread hook. On one hand, the thread hook can be prevented from rotating in the first rotating direction through abutting and limiting of the opening wall and the thread hook, namely, the rotation stopping function is achieved, and therefore the thread hooking reliability and stability are improved; and on the other hand, the thread hook cannot be interfered by the side wall of the far end of the outer tube in the switching rotation process of the thread loosening position and the thread hooking position, so that the size of the thread hook can be relatively increased, the reliability and stability of the thread hook can be improved, and the suture thread is prevented from loosening. In addition, the structural strength can be improved, deformation is not prone to occurring when the device is stressed, and the material cost can be reduced.

The present invention relates to a suture device (100) including a first jaw (112) and a second jaw (114) connected by a. pivot (116), and an arm (102) connected to the second jaw (114) and the pivot (102) . The device (100) further includes a moving mechanism (108) that can move between an open position (151) and a closed position (152). The moving mechanism (108) includes a button (124) that compresses the arm (102), a support block (126) that supports the button (124) and moves within a support ledge (128) to allow the moving mechanism (108) to open (151) and dose (152), and a locking ledge (130) that maintains the position of a. hook (132) on the button (124) to lock the suture device (100) in the closed position (152). This suture device (100) provides improved control and ease of use during surgical procedures.

The utility model discloses a stitching instrument supporting plate which comprises a box body and a cover plate, the box body is provided with a needle head fixing position and a wire harness containing cavity, the cover plate is connected with the box body through a clamping structure and at least seals the wire harness containing cavity, the needle head fixing position is used for fixing a suture needle, and the wire harness containing cavity is used for containing a suture line. By means of the structure, the suturing instrument can be packaged in the hard box body and the cover plate, the situation that the suturing instrument punctures a package through a suturing needle is avoided, the suturing line is prevented from being bent, transportation loss and operation risks are greatly reduced, and good practicability is achieved.

The present invention relates to a surgical stapler instrument drive system that indirectly maximizes the allowable / dispensed cutting line length and associated staple deployment of a staple cartridge with reduced excess cutting force at its ends.

An apparatus includes a first stapling assembly, a plurality of staples a plurality of staple drivers, and a second stapling assembly portion. The first stapling assembly portion has a deck surface defining a plurality of apertures. The staple drivers can drive the plurality of staples through the staple apertures of the deck surface. The second stapling assembly can couple with the first stapling assembly portion. The second stapling assembly portion has a section that overlies the deck surface. At least one of the first or second stapling assembly portions include a first support feature that inhibits deflection of the deck surface during stapling.

The fiber ring stitching instrument comprises a handheld part, a rod body coaxially connected with the handheld part and a U-shaped hook body connected to the far end of the rod body, the back side wall and the abdomen side wall of the handheld part, the back side wall and the abdomen side wall of the rod body and the back side wall and the abdomen side wall of the U-shaped hook body are provided with a continuously-penetrating U-shaped groove and a circular channel respectively, and the U-shaped groove forms a U-shaped opening in the end of the U-shaped hook body. A penetrating hole is formed in the end of the U-shaped hook body, a flexible ejector rod is arranged in the circular channel, when the flexible ejector rod is pressed, the far end of the flexible ejector rod can push out a line knot or an anchor rod embedded in the end of the U-shaped hook body, the line is wound in the U-shaped groove, one end of the line is knotted or connected with the anchor rod and embedded in the tip end of the U-shaped hook body, and the other end of the line is located at the top end of the handheld part. After being tensioned, the nut is fixed by a nut at the top end of the handheld part; the device is used for a suture mode of threading from the inside to the outside of the fiberoptic ring crevasse under a spine endoscope, is simple to operate, and can obviously reduce the probability of false healing of the fiberoptic ring.

A device includes a housing, a locking arm, and a spring, and is configured for use with a linear surgical stapler having a first stapler half and a second stapler half, the first stapler half having a frame and a clamping lever, and the second stapler half having a latching protrusion. The locking arm is rotatable between a locked position and a bypass position and is biased toward the locked position by the spring. In the locked position, the locking arm prevents the proximal end of the clamping lever, which is in a closed state, from engaging with the proximal end of the frame. In the bypass position, the locking arm allows the proximal end of the clamping lever, which is in a closed state, to engage with the proximal end of the frame. The locking arm changes from the locked position to the bypass position only when the latching protrusion is properly engaged by the clamping lever, which is in a closed state.

This invention relates to a suture cutter for cutting sutures, comprising a handle, a tube, a connecting member, a suture adjusting mechanism, and a cutter. The proximal end of the tube is connected to the handle; the connecting member is connected to the distal end of the tube, and the connecting member can be slidably threaded through the suture and can slide on the suture under a pushing force; the suture adjusting mechanism is movably mounted on the handle and can be detachably connected to the suture. When connected to the suture, the suture adjusting mechanism can move relative to the handle under an external force to tension the suture. After tensioning, and after the external force is removed, the suture adjusting mechanism is limited on the handle and remains stationary relative to the handle, thereby locking the relative position of the handle and the suture; the cutter is slidably mounted on the connecting member and can slide on the connecting member under a driving force, thereby cutting the suture threaded through the connecting member. The suture cutter of this invention helps to reduce the length of sutures retained in the patient's body.

The application discloses a stapler assembly, the safety mechanism of which comprises a first position and a second position; in the first position, the safety mechanism is combined with a first operating member to lock the first operating member, thereby preventing the first operating member from driving a stapling needle to move; the safety mechanism is separated from a third operating member to unlock a clamping mechanism, and in response to the third operating member being operated, a clamping member moves from a connecting position connected with a sleeve assembly to a separating position separated from the sleeve assembly to separate the stapler from the sleeve assembly; in the second position, the safety mechanism is combined with the third operating member to lock the clamping mechanism to keep the clamping member connected with the sleeve assembly; the safety mechanism is separated from the first operating member to unlock the first operating member, and in response to the movement of the first operating member, the stapling needle performs a needle ejection movement. The stapler assembly of the application can ensure that the clamping mechanism is not mistakenly operated when the stapling needle is driven to move, so that the stapler is not separated from the sleeve assembly, and the normal operation of the surgery is effectively ensured.

A suture cutter that can easily load and hold a tensioned or untensioned suture in place for cutting. The cutter has a handle with an integral stem, and a shaft coupled to and extending from the handle. A tip has a cutting channel with a cradle for catching a suture before cutting. A piston in the handle drives a blade pusher to cut the suture in response to movement of the stem. A guide assembly in the body is formed by a pair of members that fold together via a living hinge to provide a slot for the head of the piston. The pusher is planar and horizontally oriented within the shaft, while the blade is planar and vertically oriented at a right angle to the pusher. The blade has a tab that is captured by a notch in the pusher to interlock the blade and the pusher.

The invention provides a fibrous ring stitching instrument, and belongs to the technical field of medical instruments. The clamp-shaped suture front end comprises a pair of arc-shaped forceps claws which are rotationally connected through a hinge part, a sharp part is arranged at the front end of each arc-shaped forceps claw, the two sharp parts are provided with matched diagonal planes, and a lead hole communicated with the diagonal planes and the rear ends of the arc-shaped forceps claws is formed in each arc-shaped forceps claw. The pair of arc-shaped clamp claws has an unfolded state and a closed state, and in the closed state, the two sharp parts are aligned and abut against each other through the diagonal planes, and the lead holes are in butt joint, so that the pair of arc-shaped clamp claws jointly define a complete annular structure; in the unfolded state, the two sharp portions are separated from each other. The technical problems that the threading success rate is low and the operation efficiency is affected due to the defects of an existing fibrous ring suturing means can be solved.

The utility model relates to a stitching instrument and a thread hook. The thread hook comprises a mounting base and at least two thread hooking claws. The installation base is used for being rotatably arranged on a thread hook supporting piece of the stitching instrument, all the thread hooking claws are connected to the installation base, and at least two thread hooking claws are arranged at intervals to form an interval space for a puncture piece of the stitching instrument to penetrate through during stitching. According to the thread hook, due to the fact that the thread hook is provided with the at least two thread hooking claws and is rotatably connected to the thread hook supporting piece through the installation base, during thread hooking, the at least two thread hooking claws are used for hooking the suture thread, the suture thread can be effectively prevented from slipping off from the thread hook, and reliability is improved. In addition, compared with the arrangement form of a single thread hooking claw in the prior art, the number of the thread hooking claws is increased, the structural strength can be improved, and therefore deformation and damage are not likely to happen.

The invention relates to a knotting-free continuous fiber ring stitching instrument which comprises a Y-shaped winding bar combination and a boosting needle tube combination. The Y-shaped winding bar combination comprises a suture line and a plurality of bars; the rods are sequentially wound on the suture line, and the distances between the adjacent rods are the same; the boosting needle tube combination comprises a shell, and a ratchet mechanism and a pawl are arranged on the upper portion in the shell. The pawl is connected with the ratchet mechanism through the spring, the ratchet mechanism is controlled by controlling the pawl through the finger, when the ratchet mechanism is clamped by the pawl, the ratchet mechanism can only rotate in one direction, and when the ratchet mechanism is not clamped by the pawl, the ratchet mechanism can rotate in two directions; and a needle and a sleeve are fixed at the lower part in the shell. According to the knotting-free continuous fiber ring stitching instrument, knotting can be avoided, a Y-shaped line bar combination is directly preset in the stitching instrument device, continuous knotting can be achieved only by holding a boosting needle tube combination by one person, rolling a hand wheel after the boosting needle tube combination is anchored to a fiber ring and continuously anchoring a bar to a specified position, operation is convenient, and continuous stitching is achieved.

The invention discloses a suture line traction device and a stitching instrument, and the suture line traction device comprises a conveyor which is internally provided with a traction rod conveying channel; the traction rod is configured to be slidably arranged in the traction rod conveying channel in the axial direction of the traction rod and detachably connected with the conveyor, a traction rope conveying channel is formed in the traction rod, and the traction rope conveying channel penetrates through the two ends of the traction rod; the traction sleeve assembly is arranged on the traction rod in a sleeving mode and is in sliding connection with the traction rod in the axial direction of the traction rod, and the traction rod extends out of the far end of the traction sleeve assembly; the traction rope is connected with the traction sleeve assembly, and the traction rope is arranged in the traction rope conveying channel, extends out of the far end of the traction rope conveying channel and forms a rope ring structure. During suture operation, the suture line is captured by retracting the traction sleeve assembly and the traction rod, and the problem that the suture line is prone to tearing the valve ring is solved.

The utility model discloses a novel stitching instrument line pressing connector connecting structure which comprises a line pressing connector body, the line pressing connector body is composed of an equal-diameter part and a conical closing-up part installed at one end of the equal-diameter part, an observation through hole is formed in one side of the equal-diameter part, and an observation hole is formed in the other side of the equal-diameter part. A suture line is connected to the end, located at the conical closing-up part, in the line pressing connector body through a clamping connector. The suture pressing connector has the advantages that the observation through hole structure is arranged on the suture pressing connector body, so that the position, penetrating into the suture pressing connector body, of a suture line after hot melting can be observed, and the depth of the size of the connecting part of the suture line and the suture pressing connector body is accurately positioned; and compared with the prior art that barbs are machined in the line pressing connector body, machining of the observation through holes is more convenient, the uncertainty after the line pressing connector body and the suture line are connected is effectively reduced, the operation efficiency is improved, and the operation safety is improved.

Tensionable, knotless, self-locking surgical constructs and methods for surgical repairs are disclosed. A soft suture anchor and a flexible strand (flexible coupler) are provided integrally, as a one-piece machine taper construct. The repair system can include one or more shuttle / pull devices. The suture comes out of the cannulated sheath and braids to a smaller diameter round suture which is then passed back through the sheath. The braided suture may be furcated or branched to provide a plurality of passing sutures.

The utility model discloses a surface stitching instrument for plastic and aesthetic surgery, which relates to the technical field of medical instruments, and comprises a first stitching plate and a second stitching plate, the outer side of the first stitching plate and the outer side of the second stitching plate are respectively provided with a side plate and an adhesive patch; according to the surface stitching instrument for the plastic and aesthetic surgery, when a first stitching plate and a second stitching plate need to be tensioned, the output ends of two sets of driving motors are controlled to drive a driving gear to be engaged along the outer side of a driven gear, so that the driven gear drives a winding wheel to rotate, and then a pull rope is wound; when the skins on the two sides abut against each other, a pressure sensor and an extrusion plate are driven to descend through the output end of an electric push rod, a pull rope is extruded through the extrusion plate, the structure is simple, operation is convenient and fast, the distance between the first suture plate and the second suture plate does not need to be manually adjusted, and operation is convenient. Automatic synchronous adjustment is achieved, and practicability is improved.

A method is used to cut a suture. The method provides a drive wire coupled with a cutter. The cutter has a first blade defining a first plane, and a second blade defining a second plane that is non-parallel with the first plane. The first blade and the second blade define an opening. The method hooks a suture into the opening. The method cuts the suture by pulling the drive wire in a proximal direction.