58 results about "Wound suturing" patented technology

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 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 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 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 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 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 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 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 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.

The utility model discloses a wound suture auxiliary ruler in the technical field of medical auxiliary instruments. The wound suture auxiliary ruler comprises a first ruler body and a second ruler body. The first ruler body and the second ruler body are both in a long-strip thin plate shape. The first ruler body and the second ruler body are provided with scale marks. The end parts of the first ruler body and the second ruler body are rotationally hinged to each other, so that the first ruler body and the second ruler body are overlapped or vertical to each other. According to the auxiliary ruler for wound suturing, the first ruler body and the second ruler body rotate relatively to be perpendicular to each other, so that references in different directions are provided through the scale marks on the first ruler body and the second ruler body, and the needle inserting distance and the needle withdrawing distance are convenient to grasp. And when the ruler is not used, the second ruler body can be overturned to be overlapped with the first ruler body, so that the ruler is convenient to store and place.

The utility model provides a high-stability spine correction internal fixing structure which comprises a strip-shaped cross rod, a pair of fixing column heads are arranged outside the strip-shaped cross rod in a matched mode, middle open holes are formed in the inner ends of the fixing column heads, the strip-shaped cross rod penetrates through the middle open holes, medicine storage layers are arranged at the front ends of the fixing column heads, and each medicine storage layer comprises a water-soluble mesh bag. The fixed column head is fixedly connected with a water-soluble mesh bag, the inner end of the water-soluble mesh bag is filled with a plurality of medicine powder, the medicine storage layer comprises an externally-pasted isolation surface, the outer end of the externally-pasted isolation surface is fixedly connected with a pasting layer, and the externally-pasted isolation surface is located on the outer side of the water-soluble mesh bag. Before a doctor finishes installation of all the screw stand columns and needs wound suture, the adhesive layer outside the external adhesive isolation face is torn down, medicine powder is gradually scattered around the affected parts of the screw stand columns, the recovery process after treatment is more excellent, the wound healing efficiency can be guaranteed, and the functionality of the medicine storage layer in the using process can be improved.

The invention relates to the technical field of medical experimental animal models, in particular to a construction method of an animal model for researching jaw cyst, which comprises the steps of experimental animal selection, surgical site preparation, bone windowing operation, cyst induction material implantation, wound suture, postoperative care and observation, and simulation of in-vivo development of jaw cyst by an implant. The invention provides a jaw cyst animal model which is high in modeling success rate, good in stability, highly similar to pathological characteristics of a bone cavity of a human jaw cyst and simple and convenient to operate, and a construction method of the jaw cyst animal model. A reliable experimental model is provided for pathogenesis research, pathological process discussion, drug research and development, treatment method evaluation and the like of the jaw cyst.

A wound surface suturing device for a telescopic endoscope comprises a hollow main pipe body with openings in the two ends, an operation area and a transfer area are arranged at the two ends in the main pipe body in the axial direction of the main pipe body respectively, an endoscope containing cavity for the endoscope to be inserted is formed in the operation area, and a first pipe body and a second pipe body which are distributed side by side are arranged in the main pipe body. During use, the first tube body and the second tube body advance, and the puncture part drives the connecting rod and the suture to penetrate through the suture surface together under the cooperation of the first ball and the second ball; after penetrating, the first pipe body and the second pipe body retreat, the connecting rod retreats from the empty area beside the suturing surface under the cooperation of the first ball body and the second ball body, one end of the suture line retreats from the empty area and is tightened, and puncture suturing is completed after multiple times of repetition. And finally, puncture and suture treatment can be conveniently and quickly performed on a perforated hole or a postoperative wound surface by using the suture line under an endoscope.

The present invention provides a medical wound stapler comprising a pair of adhesive sheets capable of being attached to the skin on both sides with respect to a wound site as a reference, and a pair of stapling units, the stapling units comprising fixing parts formed at intervals on the adhesive sheets, a traction member formed at intervals on the adhesive sheets, and a handle part formed at intervals on the traction member. One end of each traction component is attached to each fixing part and is formed by extending in the direction of the bonding sheets opposite to each other, the handle part is attached to the other end of each traction component, and each fixing part comprises a traction component attaching part and a guide component separated from the traction component attaching part; the guide member includes, in a central portion of the main body, a groove portion that is open in front, rear, and one side thereof. According to the invention, the wound part can be effectively sutured by using the structural characteristic that different suturing units are connected with each other and the fixing force of the traction member corresponding to the suturing units.

The invention belongs to the technical field of medical instruments, particularly relates to a modular assembly, a drainage tube fixing modular suturing instrument and a use method, and aims to solve the problems that an existing suturing instrument is difficult to adapt to different wounds, a suturing needle is easy to deviate, a drainage tube is inconvenient to install, illumination is lacked and the like. The mounting seat is in sliding fit with the main body through the sliding chute and the sliding rail, and the handle and the limiting block clamp and fix the mounting seat and can be replaced as required; the T-shaped plate drives the pressing block through the push plate and the connecting rod to press the suture needle, the supporting plate II is limited, and the pressing rod is released from limiting; the driving structure is convenient to operate, and the conveying structure automatically pushes the suture needle; the suture needle is U-shaped and is provided with a hollow ring at the top to facilitate installation of the drainage tube; illuminating lamps are arranged at the bottoms of the limiting blocks for illumination.

The invention discloses a highly-anastomotic intelligent anastomat. The highly-anastomotic intelligent anastomat comprises an anastomat body, a nail anvil assembly, a nail bin assembly and a pressure sensing assembly. The disinfection assembly is arranged in the nail anvil assembly, disinfection articles can be attached synchronously after the anastomosis position of the wound is nailed, and the operation process is reduced; a synchronous pushing structure of a suture needle and a disinfectant assembly is arranged in the nail bin assembly, so that the surface of a wound can be quickly disinfected when the wound is sutured, and the wound suturing efficiency is improved; according to the device, a linkage structure integrating suturing, disinfection and disinfection paste attaching is adopted, additional operation steps do not need to be added, in the nail bin assembly, when a wedge-shaped sliding block moves along with the sliding block, a suturing needle can be synchronously pushed to complete wound suturing, a protruding pricking needle can synchronously push a disinfection liquid bag to achieve disinfection, and suturing and disinfection are synchronously conducted; when the blade moves to the tail end of the blade groove, the trigger rod is triggered, the locking assembly is pushed to be unlocked through the trapezoidal push block, and the compression spring pushes the disinfection patch to be automatically attached to the wound.

This invention discloses a dual-function electroactive suture for anti-infection and promoting wound healing, its preparation method, and its applications. This invention develops a dual-function electroactive suture that integrates wound closure and piezoelectric functions, possessing both optimized mechanical properties and stable electroactivity under low-intensity pulsed ultrasound. In some embodiments, when treated with low-intensity pulsed ultrasound, the dual-function electroactive suture can generate reactive oxygen species, disrupting bacterial membrane integrity and reducing bacterial activity. In vivo experiments show that this suture can improve inflammatory responses, promote angiogenesis, and enhance tissue repair. Furthermore, the multi-strand structure designed based on the dual-function electroactive suture exhibits superior mechanical properties and wound-healing functions, showing broad application prospects in clinical wound treatment.

The utility model discloses a medical suture line shaping device, which belongs to the technical field of wound suturing, and comprises an outer ring part and an inner ring part, the inner part of the outer ring part is hollow, the outer edge of the inner ring part is fixed with the inner edge of the outer ring part, and the top of the inner ring part is provided with a medicine changing opening convenient for applying medicine. The inner ring part is made of two layers of soft materials, a sealed gap is formed between the two layers of soft materials, filler is arranged in the gap of the inner ring part, the filler is rapidly hardened under special conditions, an air bag is fixedly adhered to the bottom area of the inner ring part, a gap is reserved in the middle of the air bag, and the air bag and the inner ring part are designed to be the same in shape. A valve port is formed in the periphery of the inner ring part and connected with a conveying pipe. Compared with the background technical file, the medical suture line shaping device has the advantages that the applicability is mostly improved, and the use part is not limited.