90 results about "Wound suturing" patented technology

The invention provides a robot-assisted wound suturing method and system based on artificial intelligence, and relates to the technical field of artificial intelligence, and the robot-assisted wound suturing method comprises the steps: obtaining multi-modal perception data of a wound area, constructing multi-modal three-dimensional representation of a wound, and determining a plurality of suturing points based on the multi-modal three-dimensional representation of the wound; for each suture point, calculating a candidate suture point, and for the adjacent suture points, generating a needle tip track of a needle tip in the wound, and sampling on the needle tip track to obtain a suture scheme adapted to the wound form and the tissue attribute; based on the obtained stitching scheme, an optimal control sequence of the stitching robot is obtained, meanwhile, a robust compensation control law is constructed through coordinate transformation and a feedback control law, and the optimal control sequence and the robust compensation control law are integrated into a stitching robot real-time control system; the output of a real-time control system of the suturing robot is converted into an actuator control instruction, and the suturing robot is controlled to assist in wound suturing.

The invention discloses a disposable suture type circumcision anastomat which solves the problems that in the prior art, during circumcision, prepuce is large in wandering degree, fixing operation is difficult, and the steps of suturing a prepuce wound are tedious. The device comprises a needle and thread support arranged on a penis coronary sulcus in a sleeving mode, a plurality of suturing mechanisms arranged in the needle and thread support in a sliding mode, absorbable sutures arranged in the suturing mechanisms and used for suturing a prepuce wound, a driving device arranged on the needle and thread support and used for driving the suturing mechanisms to move in a reciprocating mode, and a thread connecting support arranged on the needle and thread support. And the suture fixing bracket is sleeved on the penis and is used for fixing the absorbable suture sutured on the wound. According to the needle and thread support, the prepuce can be conveniently fixed during circumcision, the suturing mechanism is driven by the driving device to suture the wound of the prepuce, the wound of the prepuce can be conveniently sutured and fixed, and meanwhile the operation step of suturing the wound of the prepuce can be simplified.

The present invention relates to a large wound suturing device with multiple nails tightened continuously, which belongs to the technical field of medical devices and solves the problem of difficulty in suturing large wounds. The suturing device of the present invention comprises: a guide wire, an outer sleeve, a suture, a suture nail and an indication component; the end of the outer sleeve is provided with an internal thread and screwed to the suture nail; a plurality of suture nails can rotate synchronously; the guide wire is inserted into the interior of the outer sleeve, and a driving boss is provided at the end to engage with the top suture nail, and the guide wire can drive the suture nail to rotate when rotating; the end of the suture nail is provided with a screwing part, and when the suture nail rotates, the screwing part can be screwed into the tissue to be sutured; the suture is connected between the plurality of suture nails; the indication component is provided at the end of the outer sleeve, and when the guide wire rotates, the number of rotations can be displayed through the indication component. The present invention realizes the rotational nailing and release of the suture nail, and connects the suture nail to tighten the wound surface through the suture, which is simple and convenient to operate, and can display the screwing process of the suture nail.

The present invention belongs to the technical field of endoscopic surgical instruments, and specifically relates to a disposable endoscopic wound suturing device, comprising a closure instrument housing and a tissue retractor. A gastroscope is embedded and fixedly installed inside the closure instrument housing, and an edge of the closure instrument housing is integrally provided with an instrument channel 1 and an instrument channel 2. The shaft portion of the tissue retractor movably passes through the instrument channel 2, and the tissue retractor is used in conjunction with the closure instrument housing and is used to pull the inner wall of the tissue close to the lens of the gastroscope. The tissue retractor is mainly composed of an inner needle rod, an inner tube rod, and an outer tube rod. The inner wall of one end of the handle is provided with a spiral guide groove. The present invention can be pulled by clamping the inner wall of the tissue, which can reduce the situation where the inner wall of the tissue is accidentally detached during pulling. The structure is simple to operate and has a small damage range. It can also ensure that the spiral chuck penetrates the inner wall of the tissue in a rotating manner, making it easier for the spiral chuck to pierce the tissue and enter.

The utility model belongs to the technical field of wound suturing devices, and particularly relates to a wound suturing device for a tumor interventional therapy operation. The number of the bonding pads is two, and the front sides of the bonding pads are fixedly bonded to the rear sides of the corresponding closing plates; the number of the positioning mechanisms is two, the positioning mechanisms are connected with the two closing plates respectively, and the same sides of the two closing plates are matched with the corresponding positioning mechanisms; the supporting assembly comprises two stabilizing rods and four first springs, the top ends of the stabilizing rods penetrate through the two closing plates respectively and are connected with the two closing plates in a sliding mode, and the two first springs located on the same side are arranged on the corresponding stabilizing rods in a sleeving mode. The wound is not easy to crack after being closed, the wound is conveniently sutured, the operation is convenient and fast, time and labor are saved, and the device is convenient for personnel to use.

The invention discloses an orthopedic patient wound nursing method based on visual image processing, and relates to the technical field of wound nursing, and the method comprises the following steps: constructing a patient information database for orthopedic patients based on basic information of the patients, and recording the basic information of the patients and wound information, acquiring daily images of the orthopedic patient after wound suture through image acquisition equipment, and recording the daily images in a patient information database; for a wound image in a patient information database, feature pixels of the wound image are extracted and projected into a blank image, and initial wound line pixels and initial thread end line pixels are calibrated for an initial image; numbering the thread ends and recording initial thread end line pixels and the number of the pixels and initial wound line pixels and the number of the pixels; the wound healing state is monitored through visual image processing, the stitch removing opportunity is dynamically judged, the individual difference of patients is adapted, and the wound nursing efficiency of the orthopedic patients is improved.

The utility model relates to the technical field of medical instruments, in particular to an oral cavity suture needle convenient to operate, which comprises a needle body part, a clamping part and a threading part which are connected in sequence, the section of the clamping part is of a square-round structure, a threading hole is formed in the threading part, a guide-in notch is formed in the threading part, and the guide-in notch is communicated with the clamping part. A thread inlet slit communicated with the side end of the threading hole is formed in the inner end of the guide-in notch, anti-falling protrusions are symmetrically arranged on the inner walls of the two sides of the end, away from the needle body part, of the threading hole, and the ends of the two anti-falling protrusions are attached to each other; the oral cavity suture needle disclosed by the utility model is novel in structure, small and exquisite, and convenient to thread and lock, has the advantage of being convenient to operate when being used for suturing an oral cavity wound, and can be quickly and stably clamped by tweezers when being operated in a narrow gap in an oral cavity by utilizing a square and round structure and a magnetic attraction design; the oral cavity suture operation is more convenient, and the use effect is very excellent.

The present invention discloses an abdominal puncture suturing device, including a puncture device, the puncture device includes a connecting seat and a puncture sleeve, a sealing cover or a suture device is detachably mounted on the connecting seat, a puncture cone is detachably mounted on the sealing cover, a symmetrically arranged guide bracket is provided on the connecting seat, the guide bracket has a guide hole that cooperates with the puncture tube and suture of the hook thread device, the puncture sleeve has a puncture groove group, the puncture tube and suture pass obliquely from the puncture sleeve along the guide hole and the puncture groove group. Through the above method, the abdominal puncture suturing device of the present invention can solve the problem of frequent replacement of instruments during surgery, ensure uniform wound suturing, keep the fascia tissue aligned, reduce the risk of wound infection, simple structure, easy to use, safe and reliable.

The invention belongs to the technical field of skin stitching, and particularly relates to a force-adjustable high-fitting-degree skin stitching instrument which comprises two bases. The force adjusting assembly comprises connecting plates symmetrically arranged above the two bases, a mounting plate mounted on the upper surface of one of the bases, and a supporting plate, a fixing plate, a driving rod, a driving disc, a movable rod, a tooth claw and an oblique tooth plate which are used for force adjustment, and flexible adjustment of the sewing force is achieved; the suture force can be accurately controlled according to different wound conditions, reverse rotation of the force adjusting component caused by accidental external force in the suture process can be prevented, stability of the suture force and fine adjustment of the suture force are guaranteed, and diversified requirements of different wound depths and skin tissue characteristics for the suture force are met; the force cannot be reduced due to misoperation or external force, and the tightness and reliability of wound suture are ensured.

The application relates to a wound suture device for a neurosurgery drainage tube. The wound suture device for the neurosurgery drainage tube comprises a shell, two sliding units oppositely arranged on the shell and two pushing units oppositely arranged on the shell, each of the sliding units is provided with a clamping unit, and each of the pushing units is provided with a suture unit; the sliding unit comprises an arc-shaped groove arranged on the shell and an extension plate slidably arranged in the arc-shaped groove, the clamping unit is connected with the extension plate, and the extension plate can slide along the arc-shaped groove; the pushing unit comprises a sliding groove arranged on the shell and a suture plate slidably arranged in the sliding groove, the suture unit is connected with the suture plate, and the suture plate can slide along the sliding groove. The scheme provided by the application can timely suture the drainage hole and prevent infection.

The utility model relates to the technical field of medical instruments, in particular to a wound suture-free closer which comprises a pair of medical proof fabric, a connecting plate is inserted into each medical proof fabric, a mounting plate is connected to each connecting plate, an opening used for improving the softness of each connecting plate is formed in each connecting plate, and the connecting plates are connected to the mounting plates. The two mounting plates are jointly provided with a pulling assembly, and the pulling assembly is used for driving the two medical proof fabrics to get close to each other. According to the sewing-free closer, the softness of the connecting plate can be improved, so that the attaching effect of the medical adhesive tape and the skin surface is improved, and the using effect of the sewing-free closer is improved.

The utility model discloses a circumcision fixing ring which solves the technical problems that in the operation process of a circumcision operation, a large amount of wound subcutaneous tissue is exposed, the exposure time is long, postoperative wound involution is poor, and healing is delayed due to a large amount of foreign matter inflammatory reaction of a wound. The prepuce fixing device comprises an inner ring sleeved on the coronary sulcus of the penis, an outer ring sleeved on the prepuce at the head of the penis and used for fixing a prepuce wound suture, and an elastic line matched with the inner ring and used for fixing the prepuce at an operation part, the outer ring is in a spring ring shape or an annular shape, and when the outer ring is annular, a circle of seam assisting structure is arranged on the outer surface of the outer ring. According to the utility model, the surgical suture efficiency can be effectively improved, the subcutaneous tissue exposure is reduced, the adverse reaction is reduced, the wound subcutaneous tissue exposure is less, the exposure time is short, the infection probability can be effectively reduced, the wound healing time is favorably shortened due to the good wound folding, the wound contracture and stenosis are avoided after the operation, the absorbable thread knots are less, and the suture removal can be completely avoided.

The present invention relates to a channel catheter-assisted large wound suturing system for a single-channel endoscope, which belongs to the field of medical devices and solves the problem of difficulty in achieving large wound suturing with a single-channel endoscope. The auxiliary suturing system of the present invention comprises: a suturing device and an auxiliary channel tube; the auxiliary channel tube is attached to the outside of the endoscope catheter to form a double-channel with the endoscope channel; the suturing device comprises: a guide wire, an outer sleeve, a suture and a suture nail; the end of the outer sleeve is provided with an internal thread; the suture nail can be screwed with the internal thread; a plurality of suture nails are provided, and the plurality of suture nails are nested with each other and rotate synchronously; a driving boss is provided at the end of the guide wire, and the suture nail can be driven to rotate when the guide wire rotates; a screw-on portion is provided at the end of the suture nail, and when the suture nail rotates, the screw-on portion can be screwed into the tissue to be sutured; the suture thread connects a plurality of suture nails in series. The present invention realizes the formation of a double channel by connecting the auxiliary catheters in parallel on the outside of the endoscope catheter, and realizes the use effect of the double-channel with a low price.

The invention relates to the technical field of wound repair analysis, in particular to a plastic wound repair analysis system and method based on image matching, and the method comprises the steps: obtaining a first wound image before wound repair and a second wound image after repair; performing image registration on the first wound image and the second wound image by using an image matching algorithm; according to an image registration result, evaluating the consistency of periinvasive tissues before and after repair and the consistency of wound tissues after repair; evaluating suture strain distribution at a wound suture line according to the second wound image; and analyzing the wound repair effect according to the periinvasive tissue consistency and wound tissue consistency evaluation result and in combination with the suture strain distribution evaluation result. According to the method, the accuracy and the reliability of wound repair effect evaluation are improved by quantitatively analyzing the periinvasive tissue consistency, the wound tissue consistency and the suture strain distribution condition.

The utility model discloses a fascia suturing device which comprises an operating handle, a movable rod and a steering head, a guide channel penetrating to two ends is arranged in the operating handle, the movable rod is movably sleeved in the guide channel, one end of the operating handle is rotatably connected with one end of the operating handle, and the other end of the operating handle is rotatably connected with the steering head. A connecting channel communicated with the guide channel is formed in the steering head, outlets are formed in the two sides of the other end of the steering head respectively, the outlets are communicated with the connecting channel and the external space of the steering head, and two flexible rings are arranged at the end, extending into the guide channel, of the movable rod; the flexible ring is arranged in the connecting channel in a penetrating mode and can stretch out of the two outlets respectively, and a handle is arranged at the other end of the movable rod. The fascia suturing device has the advantages of enlarging the wound suturing range, being good in operation operability, high in efficiency and the like.

The invention relates to the technical field of barb threads, and particularly discloses an absorbable antibacterial barb thread and a preparation method thereof. An absorbable antibacterial barb line comprises a barb line body, and the barb line body is provided with a same-direction or reverse-direction barb structure. The gel layer is wrapped on the surface of the barb line; and the antibacterial layer is wrapped outside the gel layer. The preparation method comprises the following steps: S1, coating the gel layer: dipping the barb line in a gel solution, carrying out gelation treatment, and pulling out the barb line along the barb direction to obtain the barb line coated with the gel layer; s2, wrapping with an antibacterial layer. The antibacterial barb thread can be used for wound suture, weight reduction and thread embedding and the like, and has the advantages of being excellent in antibacterial performance, low in sensitivity and the like.

The invention provides a natural orifice continuous suturing system, and belongs to the technical field of medical instruments. The system comprises a control mechanism, a sewing mechanism and a transmission mechanism. The control mechanism comprises a shell, a handle assembly and a knob assembly, the handle assembly and the knob assembly are both rotationally connected with the shell at a first position and a second position, the suture mechanism comprises a main shell, a suture needle and a crochet needle, one end of the suture needle is rotationally connected with the main shell at a third position, the other end of the suture needle is a threading part, and the threading part is used for threading a suture wire; one end of the crochet hook and the main shell are rotationally connected to a fourth position, the other end of the crochet hook is a thread hooking part, and the thread hooking part is configured to hook the buckles or be unhooked from the buckles at the position where the suture needle penetrates, so that the next buckle can penetrate through the previous buckle, and the thread hooking part is configured to be unhooked from the next buckle. The threading part and the thread hooking part can get close to each other or get away from each other through the transmission mechanism. The wound suturing device can improve the wound suturing quality.

The invention provides a wound suturing device, and relates to the technical field of medical equipment, the wound suturing device comprises a positioning support, a translation mechanism, a lifting mechanism, a needle fixing mechanism and a suturing assembly, the translation mechanism is arranged on the positioning support and is in sliding connection with the positioning support; the lifting mechanism is arranged on the translation mechanism and is in sliding connection with the translation mechanism; the needle fixing mechanism is fixedly connected with the lifting mechanism and comprises a fixed cylinder, a movable cylinder, a rotating assembly and a positioning assembly, the fixed cylinder is fixedly connected with the lifting mechanism, the movable cylinder is rotationally connected with the end, away from the lifting mechanism, of the fixed cylinder, the rotating assembly is rotationally connected with the movable cylinder, and the positioning assembly is movably connected with the movable cylinder; the sewing assembly is detachably connected with the positioning assembly; according to the wound suture device, physical exhaustion and aching pain and fatigue of medical staff in the suture process can be effectively reduced, the medical staff can concentrate on suture operation, the operation efficiency and quality are improved, meanwhile, the suture line with growth factors is utilized, and the wound healing speed is increased.

The present invention relates to a body cavity regulating device, comprising: an adjustable curved catheter, the catheter comprising an axial tube wall and an axial tube cavity surrounded by the tube wall; an expandable mechanism fixedly sleeved on the catheter; and a cable, the cable is movably arranged in the tube cavity, and the tube wall arranged on one side of the expandable mechanism passes through the tube cavity, so that the catheter is bent relative to the expandable mechanism and then passes back into the tube cavity from the tube wall. During operation, it is only necessary to change the expansion state of the expandable mechanism and lock the adjustable curved catheter through the cable, which is simple to operate and highly safe. The use of an expandable mechanism with a larger contact area will not cause excessive stimulation to the local body cavity. The limitation of the body cavity can be released by controlling the cable, and the release process is convenient. Compared with the traditional silk thread winding method, it can still perform unlocking, blood flow regulation and reflow operations after wound suturing, without the need to unlock and remove in a visual environment, and there is no risk of entanglement and knotting.

The invention discloses a puncture outfit for an abdominal surgery. The puncture outfit comprises a tube head; the lower portion of the pipe head is fixedly connected with the pipe body, and the pipe head and the interior of the pipe body form a cavity and are communicated; the top cover is rotationally connected to the upper part of the pipe head; the lower portion of the top cover is fixedly connected with the puncture needle, the puncture needle penetrates through the tube head and the interior of the tube body and is attached to the inner wall of the tube body, a clamping block is arranged on the outer wall of the tube body, and the tube body is fixedly connected with the wound suture auxiliary device and an abdominal cavity puncture fixing device through the clamping block. And the other side of the outer wall of the tube body is rotationally connected with an abdominal puncture fixing device through threads. The abdominal cavity puncture fixing device is additionally arranged, a puncture outfit can be effectively fixed, surgical instruments can accurately enter and exit from the abdominal cavity, the situation that internal organs are accidentally injured due to inertia generated when the abdominal cavity is punctured is avoided, the operation difficulty is lowered, the surgical accuracy is improved, and the safety risk can be further lowered.

The invention provides an antibacterial fiber wound suture containing cannabidiol and a preparation method. According to the wound suture line, degradable antibacterial fibers serve as a base material, the antibacterial fibers are subjected to graft modification through cationic reagents such as quaternary ammonium salt, and positive charge sites are introduced to the surfaces of the fibers. Cannabidiol is mixed with polyethylene glycol, glycerin and the like, so that the polarity of cannabidiol is improved. Then, the cannabidiol is preliminarily attached to the antibacterial fibers through electrostatic adsorption, and then the antibacterial fibers are baked at the temperature of 40-60 DEG C for 10-15 min. According to the method, cannabidiol can be stably attached to the antibacterial fibers, so that the wound suture line with a stable drug effect is formed. The wound suture line is suitable for surgical suture, in the wound healing process of the suture line, the antibacterial fiber prevents infection, cannabidiol can relieve inflammation and pain, promote wound healing and reduce pain when the suture line is removed, and the wound suture line can be used for general surgery, obstetrics and gynecology and other surgeries.

The present invention provides an artificial intelligence-based robot-assisted wound suturing method and system, which relates to the field of artificial intelligence technology. The method comprises the following steps: obtaining multimodal perception data of a wound area, constructing a multimodal three-dimensional representation of the wound, and determining a plurality of suturing points based on the multimodal three-dimensional representation of the wound; calculating candidate suturing points for each suturing point, and generating a needle tip trajectory of the needle tip inside the wound for adjacent suturing points, sampling the needle tip trajectory, and obtaining a suturing scheme adapted to the wound morphology and tissue properties; obtaining an optimal control sequence of a suturing robot based on the obtained suturing scheme, constructing a robust compensation control law through coordinate transformation and feedback control law, integrating the optimal control sequence and the robust compensation control law into a real-time control system of the suturing robot, and converting the output of the real-time control system of the suturing robot into an actuator control instruction to control the suturing robot to assist in wound suturing.

The utility model discloses a dissecting table, and belongs to the technical field of dissecting tables. Comprising a bed bottom frame, universal wheels are rotatably installed at the four corners of the bed bottom frame, a protective cover is fixedly arranged on the upper surface of the bed bottom frame, a cross plate is fixedly arranged on the bed bottom frame, a lifting mechanism is installed on the bed bottom frame and comprises a first motor, and the output end of the first motor is in transmission connection with a worm; when the dissecting table is used, the height of the bed body is adjusted to be consistent with the height of a movable patient bed, and then the bottom plate on the bed body slides along the two horizontal guide rails, so that the bottom plate can be moved to the movable patient bed, and position transformation treatment of a surgical patient between the movable patient bed and the dissecting table is facilitated; medical workers do not need to hold the patient, the labor amount of the medical workers is greatly reduced, the body posture change of the surgical patient can be reduced to the maximum extent, and the wound suture surface is effectively protected.

The application provides a wound suture device, which comprises a suture fixing assembly and a suture tightness adjusting assembly, the suture tightness adjusting assembly comprises a first bottom plate, a locking mechanism and an adjusting rod, the adjusting rod is connected with the suture fixing assembly through a suture, the adjusting rod is adapted to rotate axially along a first direction to make the suture in a tension state and rotate axially along a second direction to make the suture in a slack state. The adjusting rod is locked and unlocked through the locking mechanism, when the wound needs to be closed, the adjusting rod only needs to be rotated axially along the first direction to make the suture in the tension state; when the wound needs to be ventilated, drained, changed or observed, the adjusting rod only needs to be unlocked through the locking mechanism and rotated axially along the second direction to make the suture in the slack state. The wound suture device provided by the embodiment of the application can realize quick closing of a deep and large wound and simultaneously facilitate ventilation, drainage, change or observation of the wound.

The invention provides a surgical suture fixing device which comprises a storage bin, a wrist strap is mounted at the bottom of the storage bin, a wire spool is rotatably mounted in the storage bin, a suture is wound on the wire spool, a wire outlet is formed in one side of the storage bin, rotating columns are rotatably mounted on the upper side and the lower side of the wire outlet in the storage bin respectively, and pressing wheels are arranged on the two rotating columns respectively. The suture line is extruded between the two pressing and feeding wheels and penetrates out of the line outlet, and the two rotating columns are provided with gears which are meshed with each other respectively; the control mechanism is used for driving one of the rotating columns to rotate, so that the suture line is pushed out of the line outlet by the pressing wheel. According to needs, medical staff can drive one of the rotating columns to rotate through the control mechanism, then the two gears drive the two pressure feeding wheels to synchronously and reversely rotate, and the suture line is pushed out of the line outlet, so that the suture line outside the storage bin can meet the suture requirement and cannot be excessively coiled to hinder wound suture operation; and convenience is provided for operation of medical staff.

The utility model relates to the technical field of medical instruments, in particular to an anti-slip PTCD drainage tube fixed in a bile duct, which comprises a connector, one end of the connector is connected with a drainage tube, the surface of the connector is connected with two symmetrically arranged fixing mechanisms, each fixing mechanism comprises a connecting block, the surface of the connector is fixedly connected with the connecting block, and the connecting block is fixedly connected with the drainage tube. And one end of the connecting block is fixedly connected with a fixed plate, a limiting groove is formed in the surface of the connecting block, and a movable plate is arranged on the surface of the connecting block. The winding firmness of the suture, the drainage tube and the connector can be improved in a two-phase winding mode, so that the drainage tube is not prone to loosening relative to the suture, the suture loop is extruded and fixed through the rubber ring, and the suture head is extruded and fixed through the movable plate and the fixed plate. A section of wound suture head part can be stabilized on the connector, the knotting process is omitted, meanwhile, operation is convenient, and the stabilizing effect on the suture head part is better.

The invention provides an endoscope suture control device. The endoscope suture control device comprises a main needle driving module and a handle control module. The main needle driving module comprises a main needle matched with the auxiliary needle, a connecting arm fixedly connected with the tail end of the main needle, a main needle driving seat connected with the connecting arm, and a driving steel wire connected with the connecting arm; the handle control module comprises a control seat, a fixed handle and a movable handle, a control box and a control arm are arranged in the control seat, the tail end of the driving steel wire is connected with the control box, the control box is movably connected with the control seat, and the movable handle is connected with the control box through the control arm. According to the endoscope minimally invasive surgery system, an operator can operate in vitro through the handle control module, it is guaranteed that the wound suturing process is efficient, convenient and smooth, and the reliability of the endoscope minimally invasive surgery is improved.

The invention discloses a biphase in-situ injection-mixing type hydrogel adhesive coating material with a biological membrane breaking and killing function and a preparation method of the biphase in-situ injection-mixing type hydrogel adhesive coating material. The method specifically comprises the following steps: 1) preparing a DA-CCs solution loaded with antibiotics and an oxidized hyaluronic acid solution loaded with EPS hydrolase; (2) an endoscopic active material conveying catheter is adopted for conveying the adhesive coating, the catheter is provided with a probe, a light source, a liquid storage device and a material mixing channel assembly, and super-hydrophilic coatings are arranged on the outer side of the catheter, the inner side of the liquid storage device and the inner side of a material mixing channel; and (4) respectively loading the two solutions into two liquid storage devices of a catheter, inserting the catheter into an infected part through a minimally invasive surgery, pressing the two solutions in the liquid storage devices into a material channel, mixing, injecting to the surface of an instrument, and carrying out in-situ gelation through a Schiff base reaction to obtain a hydrogel adhesive coating so as to realize wound suture. The coating can destroy a biological membrane on the surface of an instrument and kill bacteria, and a new strategy is provided for biological membrane treatment.

The present application relates to the technical field of medical apparatus, in particular to a stapler loading device. The stapler loading device comprises a cartridge seat capable of placing staples, and a pusher capable of pushing the staples in the cartridge seat into the cartridge of the stapler. The pusher comprises a plurality of pusher pieces corresponding to the cartridge slots in the cartridge seat. The pusher is capable of moving along the axial direction to drive the pusher pieces to push the staples contained in the cartridge slots out of the cartridge of the stapler. During the operation, only a plurality of cartridge seats are needed, and different heights of staples are pre-installed in each cartridge seat. According to the different tissue wounds, different cartridge seats with different heights of staples are selected, and the staples are pushed out by the pusher along the axial direction to complete the loading of the stapler. The stapler loading device reduces the operation cost and improves the effect of tissue wound suture.

The wound endoscope suturing device comprises a catheter and an inner core arranged in the catheter in a penetrating mode, the front end of the inner core is fixedly connected with the tail end of a traction rope, and an anti-skid part is arranged on the traction rope; the closing clamp has an open state and a closed state; in the opening state, the traction rope passes through the inner side of the opening of the closing clamp; in a closed state, the closing clip is configured to clamp and fix the traction rope and the wound surface. When the closing clamps are closed, the traction rope and wound tissue can be clamped and fixed, when the closing clamps are opened, the closing clamps can serve as fulcrums for the traction rope to tighten the edge of the wound, the closing clamps are sequentially arranged on the two side edges of the wound in a reciprocating mode, the distance between the closing clamps is reduced through traction of the traction rope, and finally clamping and fixing are conducted through the closing clamps. The suture operation on a large wound surface can be realized, and the closing effect of the large wound surface is improved. The invention further discloses a wound surface suturing method.