102 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.

The utility model relates to a surgical stapling instrument. The surgical suturing instrument comprises a driving gear, a driven gear, a return gear and a one-way control piece, wherein the driven gear is provided with a meshing position and a disengagement position which move in the axial direction of the driving gear. When the driven gear is in the meshing position, the one-way control piece is far away from the rack, and the driving gear is meshed with the rack through the driven gear to drive the rack to advance or retreat; when the driven gear is in the separation position, the one-way control piece is used for being connected with the rack, the driven gear is separated from the rack, and the retreating gear is meshed with the rack to drive the rack to retreat. When the motor breaks down, firstly, the driven gear is made to move from the meshing position to the disengaging position, then the return gear is manually rotated, under the action of the one-way control piece, the return gear can drive the rack to return, the jaw is opened to release tissue, and on the other hand, the tong head needs to drive the blade to retract.

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.

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.

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 provides a surgical laparoscope suturing instrument applied to the field of laparoscopes, the surgical laparoscope suturing instrument comprises a multifunctional handle and a suturing head, operation power is transmitted between the multifunctional handle and the suturing head through a transmission rod, the suturing head comprises an upper forceps body and a lower forceps body, and the upper forceps body and the lower forceps body are oppositely arranged and rotationally connected; the lower forceps body is detachably connected with a suture main body; one side, opposite to the upper forceps body, of the suturing main body is provided with two groups of suturing needle groups which are symmetrically arranged, each group of suturing needle group comprises a plurality of needle grooves which are arranged at equal intervals and are adjacently staggered, suturing titanium nails are arranged in the needle grooves, one side, opposite to the lower forceps body, of the upper forceps body is fixedly provided with a cutting board, and the cutting board is provided with nail bending grooves matched with the suturing titanium nails; through the improvement of the suture titanium nail and the cutting mechanism, a push broach structure of the multifunctional handle is reduced, the involution anti-falling performance and safety of the suture titanium nail are improved, the suture efficiency and operation safety in an abdominal cavity operation can be effectively improved, the market prospect is achieved, and application and popularization are facilitated.

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 invention discloses a novel suture instrument with a suture needle and a needle holder integrated, and relates to the technical field of medical instruments. Comprising a suture needle, a limiting groove is formed in the middle of the suture needle, and an opening of the limiting groove inclines towards the tip of the suture needle; and the needle holder is used for clamping the tail end of the suture needle. The suture line is clamped in the limiting groove in the middle of the suture needle, the suture line is sent to the two sides of a to-be-sutured part through reciprocating motion of the suture needle, the needle holder can always clamp the tail end of the suture needle during suturing, the suture needle does not need to be repeatedly clamped, threading is not needed again after one-needle suturing is completed, the suturing difficulty is reduced, and the suturing efficiency is improved. The sewing effect is enhanced, and the sewing efficiency is improved.

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.

A transvaginal lift device that includes a speculum having an upper vane and a lower vane. The upper and lower vanes are each elongate with a front end and a rear end. Further, the upper and lower vanes are attached at the rear end such that the two vanes move between a closed position and an open position. Specifically, the upper vane has an opening / window configured to allow prolapsed tissue to protrude through the opening / window into an interior portion of the speculum. A suturing instrument includes a needle cannula and a suture. The suturing instrument is attached to the speculum. Furthermore, the suturing instrument is configured to place the suture in the prolapsed tissue protruding through the opening / window.

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.

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 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 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.

A transvaginal lift device that includes a speculum having an upper vane and a lower vane. The upper and lower vanes are each elongate with a front end and a rear end. Further, the upper and lower vanes are attached at the rear end such that the two vanes move between a closed position and an open position. Specifically, the upper vane has an opening / window configured to allow prolapsed tissue to protrude through the opening / window into an interior portion of the speculum. A suturing instrument includes a needle cannula and a suture. The suturing instrument is attached to the speculum. Furthermore, the suturing instrument is configured to place the suture in the prolapsed tissue protruding through the opening / window.