50 results about "Suturing instrument" patented technology

A surgical stapling instrument is configured to dissect tissue, apply a linear staple line along one side of the tissue dissection and apply a suture, such as a purse string suture, to the other side of the tissue dissection. The instrument comprises an elongate shaft, first and second jaws configured to open and close and a cutting element. The instrument includes a first row of staples in each of the first and second jaws having a suture extending therethrough and a second row of staples in the second jaw. A drive member is configured to translate distally through the end effector to dissect tissue with the cutting element, drive the second row of staples into the tissue on one side of the dissection and to apply the first row of staples and suture in combination to form a purse string suture on the other side of the tissue dissection.

The invention discloses a pre-bending type suturing surgical robot, and belongs to the technical field of surgical suturing, the robot comprises a suturing needle, the front end of the suturing needle is of an arc-shaped structure, the tail end of the suturing needle is connected with a first sliding table, a clamping module is installed at the end of the suturing needle in a matched mode, and the suturing needle is of a detachable structure composed of a needle rod and a needle tip; the needle rod is connected with the first sliding table, the clamping module comprises a first mechanical arm and a second mechanical arm which are the same in structure, the first mechanical arm and the second mechanical arm are clamped at the front end of the suture needle, and a third sliding table and a second sliding table are installed at the tail end of the first mechanical arm and the tail end of the second mechanical arm respectively for driving to achieve opening and closing. The design of the suture needle of an arc-shaped structure enables the robot to be flexibly operated in a narrow and complex operation environment, the manipulator clamping module is driven by the sliding table to achieve accurate opening and closing, accurate control over the suture action is guaranteed, and the problem that a traditional suture instrument is difficult to operate in a bending space is solved through the pre-bending design.

The utility model relates to the technical field of cervical cerclage, in particular to a cervical cerclage support for cervical insufficiency, which comprises a protective ring, a push rod, first connecting blocks, a fixing rod, a silica gel pad and a second connecting block, the push rod is slidably connected in the protective ring, the first connecting blocks are connected at the upper end of the push rod at equal intervals, and the fixing rod is connected with the silica gel pad. Fixing rods are rotationally connected to the first connecting blocks, silica gel pads are jointly connected between the fixing rods, and second connecting blocks are rotationally connected to the fixing rods. The fixing rod and the silica gel pad are installed, due to the fact that the amniotic sac is protected by the silica gel pad, the silica gel pad can effectively isolate direct contact between a suturing instrument and the amniotic sac, the softness and the elasticity of the silica gel pad can adapt to the shape of the amniotic sac, comprehensive protection is provided, and through protection of the silica gel pad, the suturing instrument can be prevented from being damaged. A doctor can perform suture operation more trustingly, the safety and success rate of an operation are effectively improved, and the operation risk is reduced.

A stapling instrument is provided. The stapling instrument comprises: a flexible shaft comprising an articulatable curved section; and a needle end effector located at the distal end of the curved section. The needle end effector includes a plectrum-based rotation mechanism to switch the orientation of the needle to engage and disengage the needle from the ferrule.

The present application relates to the technical field of medical apparatus and instruments, in particular to a laparoscopic rectal inversion suturing apparatus, which comprises a needle holding forceps body, a sleeve rod and a handle connected with each other are arranged on the needle holding forceps body, a fixed forceps head and a movable forceps head matched with each other are connected with the end of the sleeve rod, a U-shaped groove recessed towards the holding direction of the handle is arranged on the handle, a sliding block is slidably arranged on the clamping surface of the fixed forceps head, the sliding direction of the sliding block is parallel to the length direction of the fixed forceps head, an adjusting part for sliding the sliding block is arranged on the handle, and the sliding block can drive the suturing needle to rotate around the axis of the suturing needle in the state that the fixed forceps head and the movable forceps head clamp the suturing needle. The present application sets the sliding block on the fixed forceps head, so that the angle adjustment of the suturing needle is realized, the operation process is obviously simplified, the adjustment efficiency is improved, and the present application is especially suitable for the surgical scene with high requirement for the control precision of the apparatus, such as laparoscopic rectal inversion suturing.

A surgical stapling instrument includes an anvil assembly, a reload assembly, an adapter assembly, a processor, and a memory. When clamping to a target pressure, the instructions cause the surgical stapling instrument to advance the anvil assembly in relation to a staple cartridge supported on the reload assembly to a first position to define a first tissue gap within a predetermined acceptable range of tissue gaps, measure a first force of tissue compression of tissue clamped within the first tissue gap with the anvil assembly in the first position, and enter a firing mode of the surgical stapling instrument if the first force of tissue compression is within a predetermined acceptable range of tissue compression.

The invention discloses a high-applicability achilles tendon minimally invasive suturing instrument, and belongs to the technical field of achilles tendon minimally invasive instruments.The high-applicability achilles tendon minimally invasive suturing instrument comprises a U-shaped arm, universal devices are installed at the two ends of the U-shaped arm, outer side arms are movably arranged on the universal devices and fixedly connected with the universal devices through fixing screws, outer side rings are fixed to one ends of the outer side arms, and outer side rings are fixed to the other ends of the outer side arms. A sleeve is movably arranged on the outer side ring; a hinge device is arranged on the U-shaped arm, the hinge device is composed of an upper hollow sleeve and a lower hollow sleeve, the upper sleeve is connected with the U-shaped arm, two measuring rods are movably arranged in the lower sleeve, the two measuring rods are fixedly connected with the sleeves through fixing screw rods respectively, and oval forceps fixers are installed at the ends, away from each other, of the two measuring rods; the device is high in adaptability and accuracy, can be matched with any oval forceps in an operating room, is remarkable in minimally invasive property, greatly reduces tissue damage, reduces the postoperative infection rate, shortens the recovery period, and is adaptive to patient groups needing rapid recovery.

The application provides a myocardial perforation repair cover and belongs to the field of medical devices. The cover body is sealed outside the pericardium, and a liquid inlet pipe, a liquid outlet pipe and a plurality of operation valve ports are arranged in the cover body. The edge of the cover body is tightly sutured on the pericardium to form a closed operation space. A video rod and a suturing instrument are arranged in the operation space through the valve ports. The video rod can obtain a clear visual field in the operation space through the flushing of the liquid inlet pipe and the liquid outlet pipe at the sutured position, and the suturing instrument is used to suture the myocardial perforation. The application avoids the direct opening of the myocardial perforation, reduces the risk of rapid blood loss through the perforation, recovers the lost blood, greatly reduces the risk of the myocardial perforation repair operation and greatly improves the cure rate.

The automatic suturing instrument includes a shaft having a longitudinal axis. The shaft has a joint that is rotatable about a joint axis at an angle >0° relative to the longitudinal axis. The instrument includes a clamp at a distal end of the shaft. The clamp is configured to be positioned across a length of tissue to be sutured. A driver is configured to engage threads on the shaft such that rotation of the driver translates along the length of the shaft. A helical needle is connected to the driver such that rotation of the driver rotates the helical needle, thereby advancing or retracting the needle across the length of the clamp and past the joint in the shaft.

A surgical stapling instrument includes an anvil and a stapling assembly. The stapling assembly includes first and second staples. The anvil is configured to deform the first and second staples to thereby transition the first and second staples from a non-deformed state to a deformed state. The first staple includes a first crown. The second staple includes a second crown and a first leg disposed at a first angle relative to the second crown in the non-deformed state. The first leg of the second staple is configured to extend over the first crown to form an overlapping staple pattern between the first and second staples when the first and second staples are in the deformed state.

The end portion actuator comprises a jaw assembly and a cutting component, the jaw assembly comprises a first jaw component, the first jaw component is provided with a feed groove, the jaw assembly is provided with a free end capable of being opened and closed, and the feed groove is provided with a feed groove. The cutting component is provided with a free end and a feed groove, the feed groove extends towards the free end, the cutting component comprises a linear cutting edge capable of moving in the extending direction of the feed groove, the linear cutting edge is arranged in the feed groove towards the free end and is provided with a cutting part located above the feed groove, and an acute angle is formed between the linear cutting edge and the extending direction of the feed groove. The utility model solves the problems that the cutting effect is poor and the to-be-cut tissue is easy to slip when the cutting component cuts the tissue in a horizontal pushing manner.

The embodiment of the invention provides a driving structure for a surgical suturing instrument and the surgical suturing instrument. The driving structure is arranged in a handle shell of the surgical suturing instrument, and comprises a trigger rotationally arranged on the handle shell; the rack is arranged on the handle shell in a sliding manner; the mode switching mechanism comprises a latch movably connected with the rack, a driving claw movably connected with the trigger and an operation button, the operation button is arranged on the trigger in a pressing mode, the operation button moves between an initial position and a pressing position, and when the operation button is pressed and moves from the initial position to the pressing position, the driving claw drives the driving claw to move. The operation button drives the driving claw to switch from the first state to the second state; in the first state, the driving claw is matched with the latch, and the latch is limited within a preset stroke; and in the second state, the latch is separated from the driving claw.

The invention relates to the technical field of medical instruments, in particular to a rectum varus suturing instrument under a laparoscope. Comprising a needle holding forceps body, a sleeve rod and a handle which are connected with each other are arranged on the needle holding forceps body, a fixed forceps head and a movable forceps head which are matched with each other are connected to the end of the sleeve rod, a U-shaped groove which is sunken towards the holding direction of the handle is formed in the handle, and a sliding block is installed on the clamping face of the fixed forceps head in a sliding mode. The sliding direction of the sliding block is parallel to the length direction of the fixed forceps head, an adjusting part for pushing the sliding block to slide is arranged on the handle, and when the fixed forceps head and the movable forceps head clamp the suture needle, the sliding block can drive the suture needle to rotate around the axis of the suture needle; the sliding block capable of sliding is arranged on the fixed forceps head, so that the angle adjustment work of the suture needle is achieved, the operation process is remarkably simplified, the adjustment efficiency is improved, and the forceps are particularly suitable for operation scenes such as rectum inversion suture under a laparoscope and the like which have high requirements for instrument control precision.

The present disclosure provides an autonomous suturing instrument, comprising: a sleeve body; a suturing device, comprising: a main body part rotatably arranged at one end of the sleeve body; and a suturing needle; a locking mechanism movably arranged at one end of the main body part, having a locking state and a release state, the locking mechanism being configured to drive the suturing needle to move when in the locking state; a housing having a first accommodating space, the housing being arranged at the other end of the sleeve body; and a suturing rotating assembly arranged in the first accommodating space and connected with the locking mechanism, the suturing rotating assembly comprising: a first driving mechanism; a linear reciprocating motion mechanism connected with the first driving mechanism, the linear reciprocating motion mechanism reciprocating in response to rotation of the first driving mechanism; and a first rotating mechanism in transmission connection with the linear reciprocating motion mechanism and the locking mechanism respectively, when the linear reciprocating motion mechanism reciprocates, the linear reciprocating motion mechanism drives the first rotating mechanism to reciprocate rotationally, so as to drive the suturing needle to complete a suturing operation.

The invention provides a driving structure for a surgical suturing instrument and the surgical suturing instrument. The driving structure is arranged in a handle shell of a handle part of the surgical suturing instrument and comprises a trigger, a driving mechanism and a driving mechanism, wherein the trigger is rotatably arranged on the handle shell; the rack is arranged on the handle shell in a sliding manner; the driving claw is movably connected with the trigger; the mode switching mechanism comprises a latch movably connected with the rack, an operable switching sliding block and a limiting part fixedly connected with the switching sliding block; the switching sliding block drives the limiting part to move between a first position and a second position, so that the driving claw can be switched between a first driving mode and a second driving mode; when the limiting part is switched from the first position to the second position, the limiting part is switched from the state that the limiting part is limited within the preset stroke by the latch to the state of releasing limitation, and therefore the driving claw is switched from the first driving mode to the second driving mode.

An aspect of the present disclosure provides a suturing instrument comprising: a plurality of hollow tubes; at least two stitching arms coupled to first end of the plurality of hollow tubes, the at least two stitching arms capable of moving between an open position and a closed position, wherein in the open position the at least two stitching arms are away from each other, and in the closed position the at least two arms are closer to each other; a needle coupled to at least one of the at least two stitching arms, wherein a suture is looped through the needle to enable suturing when the both arms are moved to the closed position; and a handle comprising at least two members coupled to a second end of the plurality of hollow tubes such that first member of the at least two members is fixed and a second member is movably coupled to the first member, wherein when the at least two members are closer the at least two stitching arms are in closed position, and when the at least two handles are moved away the at least two arms move from the closed position to the open position.

Disclosed in the present application are a puncture locking device and a suture apparatus. The suture apparatus includes a catheter, a handheld operation portion, and the puncture locking device. The puncture locking device includes a suture head, and a suture assembly and a locking structure are arranged inside the suture head. The suture assembly includes a suture needle and a push-pull guiding member, and the push-pull guiding member moves in an axial direction of the catheter so as to drive the suture needle to move. The locking structure includes an elastic locking assembly and an unlocking member, the elastic locking assembly includes a locking portion and an elastic portion. The handheld operation portion can control the movement of the push-pull guiding member and the unlocking member. By means of the locking structure, the suture needle is locked, such that pre-triggering of the suture needle caused by misoperation is avoided.

The invention relates to a suture instrument for knee joint surgery, in particular to a suture instrument for knee joint surgery and an assembling method thereof.The suture instrument comprises a handle and a hollow suture hook, one end of the suture hook is movably connected with the front end of the handle, the other end of the suture hook can penetrate into a knee joint, and an elastic steel wire is arranged in an inner cavity of the suture hook. A suture line can penetrate into the inner cavity of the suture line hook from the handle; after the other end of the suture hook is punctured into a knee joint, the suture line is pushed from the rear end of the handle to extend out of the inner cavity of the suture hook, and then the elastic steel wire is pushed to abut against the extending part of the suture line until the suture hook exits, so that the suture line is effectively prevented from being brought out, the operation efficiency is improved, and the operation difficulty is reduced. In addition, one-time puncture thread passing success can be ensured, and the risk of tissue damage is greatly reduced.

A stapling instrument is provided. The stapling instrument comprises: an elongate member comprising an articulatable curved section and a shaft; and a needle end effector comprising a distal portion at the distal end of the curved section, and the flexible configuration of the needle extends along the entire length of the curved section.

A suturing instrument is provided. The suturing instrument comprises: a flexible shaft comprising an articulatable bending section; and a needle end effector located at a distal end of the bending section. The needle end effector comprises a toggle-based rotation mechanism to switch an orientation of a needle to engage and disengage the needle with a ferrule.

A suturing instrument is provided. The suturing instrument comprises: an elongate member comprising an articulatable bending section and a shaft; and a needle end effector comprising a distal portion located at a distal end of the bending section, and a flexible construction of the needle is extended along the entire length of the bending section.

Surgical constructs, assemblies, kits and methods of tissue fixation are disclosed. A suture passing instrument includes a curved tip integral with a distal end of a shaft, a hand assembly mounted on a proximal end of the shaft, and a flexible strand attached to one or two needles and loaded through a cannulation of the shaft. The curve-shaped tip is adapted to engage dural tissue during repairs of the dura mater. The suture passing instrument can grasp and manipulate dura mater and can allow multiple suture passes through the dura mater without removal of the instrument from the durotomy site. The suture passing instrument is provided with a safety mechanism that prohibits the needle(s) to be fired into nerves, providing a safe, reliable, inexpensive, and speedy repair of a durotomy.

The invention relates to the technical field of ophthalmology suturing instruments, in particular to a puncture suturing instrument which comprises an equipment body, a connecting assembly is arranged at the upper end of the inner side of the equipment body, a puncture assembly is fixedly connected to the upper end of the connecting assembly, a pushing assembly is arranged at the lower end of the inner side of the equipment body, and the equipment body comprises a lower shell. The upper end of the lower shell is provided with an upper shell, the lower end of the lower shell is rotatably connected with a fixing ring, the lower end of the fixing ring is fixedly connected with a mounting block, and the equipment ensures accurate transmission of force through stable connection of the connecting assembly and the puncture assembly, a connecting pipe, a connecting column and other components; the fixing block and the supporting block provide stable support for the puncture needle; meanwhile, the fixing ring, the mounting block and the like of the equipment body can achieve stable fixation of the equipment, operation shaking is reduced, puncture deviation can be effectively avoided, and the risk that important structures of eyes are damaged and complications such as infection and bleeding are caused is reduced.

Surgical stapling instruments include mechanisms for identifying and / or deactivating stapler cartridges for use with the instruments. The stapling instrument includes a drive member for actuating a staple cartridge and a locking member movable from a disabled position permitting distal translation of the drive member through a staple firing stroke, to a locking position inhibiting distal translation of the drive member through the staple firing stroke. The staple cartridge may include a switch movable in a lateral direction to either maintain the locking member in the disabled position or to allow the locking member to move into the locking position.

The utility model discloses a manual meniscus stitching instrument which comprises a flat handle, a quick assembly mechanism is arranged on the flat handle, a stitching mechanism is installed on the quick assembly mechanism, an anti-skid sleeve is arranged on the flat handle, the stitching mechanism comprises a main rod body and a replacement rod, the main rod body and the replacement rod are hollow, and the main rod body and the replacement rod are fixedly connected with the flat handle. A connecting thread groove is formed in the end part of the main rod body. According to the manual meniscus stitching instrument, the fusiform spine end and the main rod body with different radians and lengths are replaced to adapt to stitching of different parts of a meniscus, the repair range is enlarged, the maximum angle of the head is 26 degrees, the stitching instrument can reach the repair area of the rear angle and the body close to the front side more easily through the design, the repair range is enlarged, and the repair efficiency is improved. The cutting edge of the suturing instrument is shortened, the situation that the puncture rod needs to enter the articular cavity too much during external and internal suturing is avoided, the fracture risk is reduced, meanwhile, the price is low, and the suturing efficiency is high.

This embodiment of the specification provides a driving structure for surgical suture instruments and surgical suture instruments. The drive structure is arranged in a handle housing of the handle section of the surgical suture instrument, and the drive structure includes: a rack that can be linearly arranged in the handle housing; A trigger set on the handle housing can be turned; Drive assembly, the drive assembly includes a drive claw connected to the trigger movement; Mode switching mechanism, including the operating component and the latch connected to the rack movement; The operating component is connected to the drive assembly; The operation component controls whether the drive component fits with the latch, thereby controlling the drive claw to switch between the first drive mode and the second drive mode.

The application discloses a suturing instrument for an endoscopic surgery operating system and relates to the field of endoscopic surgery medical instruments, which comprises a needle-carrying experiment table, a suturing needle group, a needle-holding rod and a needle-pushing assembly; the suturing needle group is composed of a plurality of suturing needle units spliced together; the needle-holding rod is provided with a needle-holding half-ring clamp and a rotating assembly, the needle-holding rod is arranged on the needle-carrying experiment table, the suturing needle group is arranged between the needle-holding rod and the needle-carrying experiment table, the needle-holding half-ring clamp is arranged at one end of the needle-holding rod close to the suturing needle group, the needle-holding half-ring clamp is suitable in size for the suturing needle unit, the rotating assembly is provided with a needle-separating plate, the thickness of the needle-separating plate is suitable for the gap between adjacent suturing needle units; the needle-pushing assembly is arranged on the needle-carrying experiment table and connected with the suturing needle group, and the needle-pushing assembly is used for pushing the suturing needle group. The technical problem that the operation of medical staff in the prior art is relatively complex when performing endoscopic tissue suturing surgery, the whole surgery takes a long time and is not convenient to use can be solved.

This document relates to devices and methods for joining a suture device with a medical imaging device. For example, this document relates to devices and methods for joining a suture device with an endoscopic ultrasound (EUS) device so that a clinician can perform a medical procedure with the suture device under direct visualization from the EUS device.

The present invention includes a suture adapted to be anchored into tissue, the suture comprising a length of an elongate flexible suture material and a plurality of barbed anchor articles slidingly disposed along a length of the suture material. The invention also includes a suture placement device designed to insert the anchors of the suture articles into opposing tissue surfaces and associated methods for approximating and / or affixing opposed tissue surfaces in surgical procedures and the like.