142 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 invention belongs to the technical field of medical instruments, and particularly relates to a stitching instrument for an endoscope. Comprising a fixed handle, a fixed bolt, a needle mounting button, a rotating assembly, a flushing assembly, a sleeve, a protective cap, a bending device, a movable handle, a suture steel wire, a pressing plate steel wire, a forceps head short pipe and a suture needle holding assembly. A movable handle mounting hole is formed in the upper end of the movable handle, the movable handle mounting hole and a movable handle mounting column of the fixed handle are correspondingly mounted, the near end of the sleeve penetrates through a sleeve hole in the far end of the fixed handle and is matched with a groove in the far end of the rotary connecting rod, and the far end of the sleeve is connected with the bending joint assembly; the near end of the forceps head short tube is connected with the bending joint assembly, and the far end of the forceps head short tube is connected with the suture needle holding assembly; the near end of the suture steel wire is in fastening connection with the near end of the movable handle through a steel wire lock catch, and the far end of the suture steel wire is connected with a rack seat in the suture needle holding assembly and used for driving the suture needle holding assembly to perform continuous suture; and the flushing connector is embedded into the upper rotary shifting wheel and is connected with the flushing hole at the near end of the sleeve.

The needle-holding stitching instrument comprises a forceps head assembly at the front end of a shaft tube and a shell at the tail end of the shaft tube, the forceps head assembly comprises forceps claws which can be opened or closed mutually, and roller assemblies capable of clamping the stitching needle are arranged in the forceps claws. The idler wheel assembly is in transmission with the bevel gear assembly in the shell through the transmission assembly, so that the idler wheel assembly rotates forwards or reversely, meanwhile, the bevel gear assembly is driven by the ratchet wheel assembly in a one-way mode, and the ratchet wheel assembly is controlled by the rotating handle in the shell, so that when the rotating handle is pressed, the ratchet wheel assembly can be in one-way transmission to the bevel gear assembly; when the rotating handle is reset, the ratchet wheel assembly does not transmit, the stitching instrument can achieve continuous advancing or retreating of the stitching needle, and the operation burden of a doctor during surgical stitching can be relieved.

The utility model discloses a surgical suture device for sutures, comprising a middle handle, a screw hole is provided at the top of the middle handle, an external threaded barrel is movably connected to the screw hole, a suture needle is fixedly connected to the top of the external threaded barrel, a pressure rod is provided at the top of the suture needle, a rotary spring is provided at the bottom of the pressure rod, a cavity is provided inside the middle handle, a round ball is movably embedded inside the cavity, a transparent cover is embedded on the outer wall of the middle handle, a tail handle is fixedly connected to the bottom end of the middle handle, and a plurality of corrugated grooves are provided on the outer wall of the tail handle. The utility model is provided with a series of structures, so that the suture needle can be replaced by twisting when replaced, reducing the difficulty of separating the suture needle from the suture device, thereby saving the time required for replacing the suture needle by the suture device, thereby reducing the probability of the needle of the suture needle piercing the finger of the surgeon, improving the safety of the suture device when in use, and reducing the risk of infectious occupational exposure of the surgeon.

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.

An apparatus includes a body, a shaft assembly, a stapling head assembly, and an anvil. The stapling head assembly includes an annular deck member, a plurality of staples, and a driver. The deck member includes a deck surface that has a curved profile defined by a curve extending from the inner diameter of the deck member to the outer diameter of the deck member. The deck member further includes an outer array of staple openings and an inner array of staple openings. The driver is operable to drive the staples through the staple openings. The anvil is operable to compress tissue against the first deck surface.

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 present invention discloses a fascia suturing device with a locking assembly, including a puncture device, a suture device and a thread hook device, the suture device is installed on the puncture device, the thread hook device is detachably connected to the puncture device, the thread hook device includes a shell, a thread hook needle assembly is movably arranged in the shell, a locking assembly is connected in the shell, the locking assembly includes a locking block movably arranged in the shell, a front locking head of the locking block, an elastic member that pushes the locking block outward is connected to the locking block, the thread hook needle assembly has a push block, the thread hook needle assembly moves down so that the push block contacts the locking block and pushes the locking block to retract inward; the puncture device has a locking hole, the thread hook device is inserted into the puncture device and the locking head enters the locking hole to lock the shell on the puncture device. Through the above method, the fascia suturing device with a locking assembly of the present invention fixes the position of the thread hook device during the thread hooking operation, avoids the thread hook device moving up and down during the operation and causing suturing failure, and improves the suturing effect.

The present invention relates to the field of medical device technology, specifically a suturing device for pelvic floor surgery. Provided is a suturing device for pelvic floor surgery that is convenient for flexible and quick switching of holding modes. The device includes a handle, a cutter, a labor-saving component, a thread hooking component, etc., and cutters capable of shearing each other are respectively arranged near the wire ends of the lower clamp arm and the upper clamp arm, and a labor-saving component is connected between the gripping ends of the lower clamp arm and the upper clamp arm and the inside of the handle, and a thread hooking component capable of flexibly switching the holding mode is arranged between the lower clamp arm and the handle. Through the mutual cooperation of the elastic member, the gear, the rack one and the rack two, the lower clamp arm and the upper clamp arm can be synchronously unfolded or retracted and closed, which is conducive to the purpose of saving manpower when pressing the handle; while holding the handle, the adjusting block is pushed back and forth to move, and the thread hooking device can be driven to flip and extend through the pulling action of the pull rope, so that the suture can be conveniently hooked.

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 invention provides an integrated tractor, a traction stitching instrument and a traction puncture outfit. The technical problem that an existing puncture outfit is large in wound is solved. The traction device comprises a traction wire made of elastic metal or memory metal; the traction wire comprises a head traction rope and a tail hanging knot which are sequentially connected and integrally arranged; the tail hanging knot is used for forming a barrier on an acting object to realize traction during use; according to the integrated traction stitching instrument provided by the invention, the stitching instrument penetrates through a pulled target tissue / visceral organ, and the tail part of the traction instrument is hung at the penetration port end of a suture needle to form a barrier, so that traction is realized; a traction device without a suture needle is used, the size of the traction device is small, a wound is small, the pain of a patient is reduced, and clinical application can be achieved by means of a puncture needle with the diameter smaller than 2 mm; the invention further provides a traction stitching instrument and a traction puncture outfit based on the traction device.

The present invention relates to a suturing device and a method for using the same, and relates to the field of surgical technology, and is used to solve the technical problems of long suturing operation time and high labor intensity of doctors in the prior art. The suturing device of the present invention comprises a suturing device base, and the suturing device base positions a first target body to a predetermined position on a second target body through negative pressure adsorption, and a spiral needle entry track for limiting the walking track of a suturing needle is provided on the suturing device base. By providing the spiral needle entry track, the suturing needle can be pushed from the starting position of the spiral needle entry track to the ending position of the spiral needle entry track, and then the suturing thread can be pulled to complete the suturing of the first target body and the second target body at one time, so that the suturing speed is greatly improved, and the labor intensity of doctors is greatly reduced.

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.

Disclosed is a surgical stapler, the surgical stapler comprising: an end effector configured to receive a staple cartridge; a trocar, the trocar being movable relative to the end effector; an anvil removably coupleable to the trocar, where the anvil is movable relative to the end effector based on movement of the trocar, and where the anvil is configured to apply a force to tissue positioned between the anvil and the end effector; a sensor configured to sense a position of the anvil relative to the end effector; a housing including a display; and a control circuit operably coupled to the sensor and the display, where the control circuit is configured to: interrogate the sensor to determine the position of the anvil; and displaying a representation of the determined position on the display.

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 invention discloses a laparoscope stitching instrument percussion device which comprises a handle body, a push needle grip, a percussion arc, a tension spring, a percussion end steel wire rope, a reverse grooved wheel and an execution end steel wire rope. The push needle grip is hinged to the handle body through a percussion rotating pin, and a rectangular through hole is formed in the upper end of the push needle grip; the percussion arc is fixed on the push needle grip through a percussion rotating pin and a rectangular through hole, and the percussion arc is connected with a percussion end steel wire rope through a percussion grooved wheel; the steel wire is stretched out and drawn back through rotation of the percussion arc, so that the far-end suture needle of the suture instrument is driven, more space is saved compared with straight line stretching of the handle end, the pulling steel wire in a larger range is arranged in the same space of the handle end, and therefore full-stroke sliding of the far-end suture needle is completed; the direction of the steel wire is changed through the reverse grooved wheel, the steel wire extends to the far end of the stitching instrument for use, the tension spring is arranged and can reset after percussion is completed, and operation is better.

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.

The invention discloses a pair of wire cutters, which comprises a tip tube which is of a cylindrical structure and is internally provided with an accommodating space; the plain end part is arranged at one end of the tip pipe and is provided with an upward opening, so that a containing groove with an upward opening is formed in the plain end part; the first wire inlet is formed in the end surface of one end of the tip pipe and is communicated with the accommodating groove; the second wire inlet is formed in one side of the accommodating groove and is communicated with the accommodating groove; the jaw is arranged in the accommodating groove and is rotatably connected with the flat opening part; the connecting rod is coaxially arranged in the tip pipe, and one end of the connecting rod is rotatably connected with the jaw; one end of the first operation part is rotatably connected with the other end of the connecting rod; and one end of the second operation part is fixedly connected with the other end of the tip tube. The suture cutter can be used for cutting at any position of a suture line, and the defect that threading needs to be conducted from the tail end of the suture line when an existing instrument cuts the suture line is overcome.