84 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.

Surgical stapling instruments include mechanisms for identifying and / or deactivating stapler cartridge 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 for maintaining the locking member in the disabled position. The switch may be further configured to operate as a reload detection mechanism for determining the type of reload present in the surgical stapling instrument.

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.

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 instrument may further include a stapler cartridge including an annular pin configured to be engaged by a drive member at a an axial position to create a detectable resistance for reload detection by a control unit to identify the type of stapler cartridge present in the surgical stapling instrument.

The embodiments of this specification provide a drive structure for a surgical stapling instrument and a surgical stapling instrument. The drive structure is disposed in a handle housing of the surgical stapling instrument and includes: a trigger rotatably disposed on the handle housing; a rack slidably disposed on the handle housing; a mode switching mechanism including a latch movably connected to the rack, a drive pawl movably connected to the trigger, and an operating button, the operating button being pressably disposed on the trigger and movable between an initial position and a depressed position. When the operating button is pressed and moves from the initial position to the depressed position, the operating button drives the drive pawl to switch from a first state to a second state. In the first state, the drive pawl engages with the latch, and the latch is restricted within a preset travel range. In the second state, the latch is disengaged from the drive pawl.

The utility model provides a first suturing instrument and a suturing system.The first suturing instrument comprises a conveying catheter, a fixing piece, a push rod, a puncture needle and an anchoring piece, the fixing piece is connected to the far end of the conveying catheter, an opening and closing arm used for bearing tissue is installed on the fixing piece, and a needle outlet hole used for the puncture needle to penetrate out is formed in the fixing piece; a first hole for a puncture needle to penetrate through is formed in the opening and closing arm; the push rod is arranged in the conveying catheter, is connected with the opening and closing arm and is used for opening or closing the opening and closing arm; the puncture needle is arranged in the conveying catheter; the anchoring piece is arranged at the far end of the puncture needle or connected with the far end of the puncture needle, and a suture is fixedly connected into the anchoring piece. According to the suture instrument, by arranging the conveying catheter, the fixing piece, the push rod, the puncture needle and the anchoring piece connected with the suture, the suture can be easily anchored to the tissue, and the technical problem that the suture instrument cannot anchor the suture to the tissue easily is solved.

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.

A surgical stapling instrument comprising an elongate shaft assembly that includes a surgical end effector that is operably coupled thereto by an articulation joint. The surgical instrument may include a first distal articulation driver operably coupled to the surgical end effector and a second distal articulation driver that is coupled to the surgical end effector. At least one driver member may operably engage the first and second distal articulation drivers such that when the first distal articulation driver is moved in a distal direction, the least one driver moves the second distal articulation driver in a proximal direction and when the first distal articulation driver is moved in the proximal direction, the at least one driver member moves the second distal articulation driver in the distal direction.

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 utility model provides a novel tendon suturing instrument which comprises a clamping head, a sliding rod and a connecting rod, the clamping head is used for clamping a broken end of a tendon and is also used for needle suturing, the sliding rod is used for enabling the clamping head to be always in a parallel and aligned state in the clamping process, and stable contact of the clamping head and reliable alignment of needle holes in the two sides are ensured; the lock catch is arranged on the connecting rod to lock the clamping state, so that the suture operation of the broken end of the tendon is facilitated; the inner side surface of the clamping head is provided with symmetrically and uniformly distributed conical spines which are used for quickly clamping the surface of the smooth tendon; when the novel tendon suturing instrument is used for suturing tendons, the suturing effect does not depend on experience of operators, the requirement for early rehabilitation of patients can be met, operation is easy, and suturing efficiency is high.

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 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 defining a plurality of staple forming pockets and a stapling head assembly. The stapling head assembly includes a body, a coupling member capable of actuating the anvil relative to the body, a staple deck defining a plurality of staple openings, and a firing assembly capable of driving a plurality of staples against the staple forming pockets of the anvil. The firing assembly includes a proximal driving body and an array of discrete staple driving segments positioned distal to the proximal driving body. The proximal driving body is slidably housed within the body. The staple driving segments each have a free proximal end. The proximal driving body is capable of simultaneously actuating the array of staple driving segments to drive the plurality of staples against the staple forming pockets of the anvil.

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. Various embodiments include an actuation system for selectively generating a plurality of control motions. A surgical end effector is operably coupled to the actuation system. The actuation system interfaces with an actuation member configured to operably engage rotatable camming members to fire staples within the end effector into forming contact with an anvil portion of the end effector.

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 present invention discloses a non-invasive suturing device and a method of using the same, which belong to the field of medical devices. The non-invasive suturing device includes a first patch, a second patch, an adjustment component and a wound eversion component, which are respectively pasted on both sides of a wound to be sutured. The wound eversion component is used in conjunction with the adjustment component. When the adjustment drive drives the first patch and the second patch to approach each other, the flap upward drive of the wound eversion component can simultaneously drive the first flap and the second flap upward, so that the two sides of the wound to be sutured are symmetrically everted, so that the wound tissues on both sides of the wound can better contact and fit together. Since the wound / wound is everted for fitting, the scar formed by the present invention is smaller and smoother, or even has no obvious scar, compared with the suturing devices combined with flat pulling on the market. The present invention is suitable for non-invasive suturing of surgical incision skin or wound skin in plastic surgery.

The invention relates to the technical field of surgical suturing, and provides a magnetic-assisted minimally invasive suturing instrument for vascular surgery, which comprises a support table, the top end of the support table is fixedly connected with a fixed clamping plate, the top end of the fixed clamping plate is rotatably connected with a rotating clamping plate, and the right side of the rotating clamping plate is connected with the right side of the fixed clamping plate through a locking assembly. A second air bag and a first air bag are arranged on the top side of the fixing clamping plate, the bottom end of the supporting table is connected with a bottom plate through bolts, a storage box is fixedly connected to the top end of the bottom plate, a spraying assembly is arranged at the rear end of the storage box, and a plurality of air pumps are fixedly connected to the middle of the top end of the bottom plate. Efficient fixing and hemostasis are achieved through cooperation of a mechanical structure and the air bag. Firstly, the supporting legs are used for adsorbing iron devices to ensure overall stability, the rotary clamping plate and the fixed clamping plate are tightly closed through a clamping strip locking tooth limiting mechanism, and the arms or the shanks of a patient can be firmly fixed. Meanwhile, after the air pump inflates the first air bag, the expanded air bag can directly extrude blood vessels at the wound.

The invention relates to a surgical suturing instrument, a handle of the surgical suturing instrument comprises a handle shell, a support, a transmission rack and a percussion assembly, and the support is fixedly arranged in the handle shell; the transmission rack is slidably connected with the support along the longitudinal axis. First transmission teeth are arranged on one side face of the transmission rack in the longitudinal axis direction. The percussion assembly comprises a motor and a transmission gear; the transmission gear and the motor have a connection state and a disconnection state, and when the transmission gear is in the connection state, the transmission gear is in transmission connection with the motor; in the disengagement state, the transmission gear is disengaged from the motor; and the transmission gear is in meshing transmission with the first transmission teeth in both the connection state and the disconnection state. When the surgical suturing instrument breaks down, the transmission gear and the motor can be switched from a connection state to a disconnection state, at the moment, transmission of the transmission gear and the motor is disengaged, that is, when the transmission gear is not limited by the self-locking performance of the motor and drives the transmission rack to retreat, the jaw can be opened to release tissue.

1. Name of the Design Product: End Effector. 2. Use of the Design Product: An end effector for a surgical instrument, such as used as a surgical suturing instrument to perform suturing operations. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1 in the combined 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 relates to the field of fiber ring suturing, in particular to a fiber ring suturing instrument which comprises a fixing shell, a suturing assembly is arranged in the fixing shell, a holding assembly is arranged on the outer wall of one end of the fixing shell, an adjusting assembly is arranged in the holding assembly, the suturing assembly comprises two circular grooves, and sliding grooves are formed in the inner walls of the circular grooves; a circular groove is formed in the surface of the fixing block, a fixing block is clamped in the circular groove, one side of the fixing block is fixedly connected with a nail head, a clamping groove is formed in the surface of the nail head, an extrusion block is clamped in the clamping groove, and a circular hole is formed in the surface of the fixing block. The two fixing blocks drive the two nail heads to be close to each other, crevasses in the fiber rings are pressed to be attached to each other, the nail heads can flexibly move in the circular grooves by means of the elasticity of the rubber ropes and the structure of the circular grooves, and therefore precise suturing of the fiber rings is achieved, and the suturing efficiency and quality are improved.