40 results about "Wound suturing" patented technology

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 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 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 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 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 invention provides an auxiliary turning-over device for a puerpera, and relates to the field of nursing devices.The auxiliary turning-over device comprises a turning-over pad, a containing groove for containing the legs of the puerpera is formed in the turning-over pad, a foot pad is fixedly connected to one side of the lower edge of the turning-over pad, a fixed support is fixedly connected to the slope of the other side of the turning-over pad, and a supporting assembly is rotationally connected to the inner side of the fixed support; the supporting assembly comprises a connecting rod, a cross rod and mounting seats, the mounting seats are symmetrically arranged on the two axial sides of the cross rod, clamping parts used for supporting the abdomen of the puerpera are mounted on the inner sides of the mounting seats, the legs of the puerpera are bent and fixed, and therefore traction of the lower limbs to the abdomen when the puerpera turns over is reduced, and the abdomen is more comfortable. Meanwhile, the pressing plate and the air bag can be supported on the skin around the wound, the direct pulling force of muscle contraction on the wound suture during turning over is reduced, and the pain feeling of the puerpera during turning over is reduced.

The utility model discloses a wound suture fixing device in an extubation tube, and relates to the technical field of wound suture, the wound suture fixing device in the extubation tube comprises a bottom plate, the top of the bottom plate is fixedly connected with a round rod, through the mutual cooperation of an operation table, a movable rod, a lactic acid nail and other components in the fixing device, when the lactic acid nail moves downwards, the lactic acid nail can be fixed on the round rod. According to the device, automatic operation can be achieved through the displacement plate and a related mechanical structure, manual intervention of medical staff in the tube drawing and suturing process is reduced, efficiency is improved, it can be guaranteed that the wound is accurately closed during tube drawing through the design of the lactic acid nails, and the wound is closed in the tube drawing process. The problems of irregularity and incomplete closure possibly caused by manual suture are reduced, so that a better healing effect is promoted, the time of medical operation can be remarkably saved through the automatic and simplified process, and the patient turnover rate is increased.

The utility model discloses a wound suturing device, and belongs to the technical field of medical instruments. A wound suturing device is fixedly arranged at the front end of an endoscope and comprises an emitter and a magnetic device. The emitter is mounted in a transparent cap at the front end of the endoscope, is connected with the output end of an external ejection device and is used for emitting a suture needle; the magnetic device comprises a first magnetic generator and a second magnetic generator; the first magnetic force generator and the second magnetic force generator are arranged at the two ends of the emitter in parallel respectively, the first magnetic force generator and the second magnetic force generator located at the two ends extend forwards respectively, and the acting range of the magnetic force generator at least covers the whole wound. The magnetic device generates a periodically changing magnetic field and is used for driving the suture needle to shuttle back and forth inside and outside a wound so as to suture the wound; according to the device, a wound can be automatically sutured, the wound is not prone to being damaged in the suturing mode, the firmness and the sealing performance of wound closing are good, and the comprehensive efficiency of an endoscopic surgery can be improved.

The invention relates to the technical field of veterinary instruments, in particular to a livestock pathological sampling wound stitching instrument which comprises two symmetrically-arranged main plates, a plurality of first sleeves are welded to the bottoms of the two main plates at equal intervals, and a first sliding rod is slidably arranged at the end of each first sleeve. A first reset spring is connected between each first sliding rod and the inner wall of the corresponding first sleeve, a sliding base is welded to the side, away from the corresponding first sleeve, of each first sliding rod, and an abutting plate is rotationally connected to the side, away from the corresponding first sliding rod, of each sliding base; when the device is used for suturing a sampling wound, compared with an existing skin nail suturing device, skin on the two sides of the sampling wound does not need to be pushed and squeezed for aggregation, the embedding and fixing effect of a skin nail is good, the suturing process is coherent, the situation of interruption is not prone to occurring, and the suturing efficiency is improved. Therefore, the sewing efficiency is improved to a certain extent.

The invention relates to the technical field of medical apparatus and instruments, and provides a blood vessel wound suturing device which comprises a suturing instrument, a first fixing device and a second fixing device. A needle driving mechanism; a delivery pipe; a needle fixing mechanism; and when the needle head needs to pierce out of the blood vessel from the inside of the blood vessel, the action part brings the needle head out of the bayonet and returns to the first tube section through the first opening. According to the blood vessel wound suturing device, when the suturing instrument works, the femoral artery blood vessel can be sutured continuously, a large-diameter puncture point can be rapidly closed through a single instrument, and multiple sets of instruments do not need to be used. Moreover, the stitching instrument is upgraded from traditional point-like stitching to continuous linear stitching, so that the edge of a blood vessel incision can be uniformly stressed, and the occurrence rate of errhysis and stenosis is effectively reduced. In addition, the stitching instrument is easy and convenient to operate, the operation time can be remarkably shortened, the operation difficulty and the learning curve of a doctor are reduced, and the limitation of an existing closer in femoral artery large-diameter puncture application is overcome.

The portable first-aid stitching instrument comprises a stitching instrument body, a handle, a nail feeding mechanism and a nail pressing mechanism, the handle is rotationally connected to the stitching instrument body, and a nail outlet is formed in the front end face, in the length direction of the stitching instrument body, of the stitching instrument body. The nail pressing mechanism comprises a nail pressing plate arranged in the stitching instrument body in a sliding mode and a bending piece fixedly arranged on the side portion of the nail outlet, and the handle is in transmission connection with the nail pressing plate through a transmission assembly and used for driving the nail pressing plate and the bending piece to be matched to bend the two ends of a stitching nail at the nail outlet; the stitching instrument body is provided with a conveying cavity communicated with the nail outlet, the conveying cavity comprises a storage and transportation section obliquely arranged in the length direction of the stitching instrument body and a reversing section communicated with the storage and transportation section, and the nail feeding mechanism is used for conveying the stitching nails stored in the storage and transportation section to the nail outlet after reversing through the reversing section. The device has the effects that a clearer view can be provided during wound suturing, and the nail storage capacity is improved.

The utility model relates to the field of wound suture, in particular to an interval type barb suture line and an interval type barb suture assembly. The interval type barb suture line comprises a plurality of barb sections and a plurality of smooth sections which are arranged at intervals in the extending direction. Wherein the lengths of the barb section and the smooth section are configured as follows: at least the middle part of the barb section is buried under the skin after the wound is sutured, and at least the middle part of the smooth section is exposed outside the skin. According to the utility model, at least most of the part of the barb suture line exposed outside the skin is smooth, so that the damage to the skin at the sutured part is weakened.

The invention relates to a surgical instrument and a wound suturing device. It is an object of the present invention to create a durable, non-stretchable, non-invasive suture that provides a retention effect obtained as a result of surrounding tissue growing inward into the suture, delivery of drugs and utility in various surgical applications. The problem addressed by the proposed suture material is that of representing fibres for connection to a surgical needle and comprising a core and a sheath, the material of the core being different from the material of the sheath, the core being made of at least one biocompatible metal thread having an anti-slip arrangement and the sheath being made of porous polytetrafluoroethylene, the porous polytetrafluoroethylene represents a porous three-dimensional structure including open through-holes and dead-end holes, the dead-end holes being uniformly distributed on and connected to the inner surfaces of the open through-holes.

The utility model discloses a wire arranging mechanism in a threading machine, which comprises a linear module, a wire holder fixing box and a dispensing device, the wire holder fixing box is fixedly arranged at the output end of the linear module, a wire feeding assembly is arranged on one side of the wire holder fixing box, and the dispensing device is movably connected to one side of the wire feeding assembly; a thread arranging mechanism and a glue dispensing device are arranged on the thread holder fixing box, a transition thread cylinder is further rotationally arranged on the thread holder fixing box, and the transition thread cylinder is used for winding a suture thread and guiding the suture thread into the thread holder fixing box in a driven mode. The thread arranging mechanism and the glue dispensing device are arranged to straighten and dispense glue, and glue dispensing is conducted on the tail end of the suture thread before the suture thread is inserted into a suture needle; glue is dispensed at the tail end of the suture line, and the tail end of the suture line becomes hard after glue is dried up so that the suture line can be conveniently inserted into the suture needle hole; the vertically arranged and horizontally arranged line arranging devices are arranged, so that the suture lines can be further straightened; and the glued suture line can be obliquely cut in a threading machine, so that the suture line is prevented from being bent and deformed when being inserted into a suture line needle head.

The utility model relates to the technical field of medical instruments, and particularly discloses a needleless epidermis anastomat and a finished product assembly. A needleless epidermis anastomat is used for suturing a wound on the surface of skin and comprises a first fixing piece fixed to the surface of the skin on one side of the wound, a second fixing piece fixed to the surface of the skin on the other side of the wound and an abutting piece fixedly connected with the second fixing piece. The leaning piece is used for pulling the second fixing piece in the direction close to the first fixing piece and is detachably connected with the first fixing piece. According to the needleless epidermis anastomat, the first supporting piece, the second supporting piece and the third supporting piece are embedded in the first fixing piece, the second fixing piece and the abutting piece respectively, so that the rigidity of the needleless epidermis anastomat is improved, the suturing effect is good, the scale marks are arranged on the upper side of the rough-side hook-and-loop fastener, the wound suturing tightness can be conveniently controlled, and in addition, the needleless epidermis anastomat is convenient to use. The first supporting piece, the second supporting piece and the connecting supporting piece are each provided with a plurality of ventilation through holes, and healing of the wound can be accelerated.

The utility model relates to the technical field of medical instruments, in particular to a wound stitching instrument which comprises a shell, a first hole is formed in the lower end of the rear portion of the shell, a second hole is formed in the lower end of the front portion of the shell, and a first rotating shaft is arranged in the middle of the inner side of the shell. The percussion handle penetrates through the hole to be arranged on the inner side of the shell, and the percussion handle is rotationally connected with the first rotating shaft; the propelling unit is arranged at the front part in the shell; the tightening unit comprises two fastening parts and a tightening part, the fastening parts are arranged below the propelling unit, sliding grooves are formed in the inner sides of the fastening parts, the bottom walls of the sliding grooves are inclined, sliding rods are arranged in the sliding grooves, the other ends of the sliding rods are fixedly connected with the percussion handle, the tightening part is arranged on the outer side of the shell, and the tightening part is arranged on one side of the percussion handle; by means of the arrangement of the tightening unit, skin and flesh on the two sides of a wound can be tightened, and the suturing effect of the suturing nail is improved.

The invention belongs to the technical field of wound suturing, and particularly relates to a tension-reducing suturing device capable of relieving scars, in the tension-reducing suturing device, an operator uses suturing forceps to clamp a threading needle and guide a suture line to penetrate through subcutaneous tissue of a wound, so that the suture line is retained in the wound and then withdraws from the threading needle; then, a pull rope in the suture line is pulled, the pull rope moves to trigger the first expansion mechanism and the second expansion mechanism to act, and the first expansion mechanism and the second expansion mechanism are locked in an open state through the first limiting mechanism and the second limiting mechanism, so that the two expansion mechanisms are reliably clamped below the skin on the two sides of the wound like umbrella anchors; and continuous tension reduction is provided from the inside. According to the invention, direct and lasting tension reduction from a subcutaneous basal layer of a wound is realized, the tension of deep tissues is effectively resisted, and scar widening is fundamentally prevented.

The utility model discloses a retainer for suturing a skin wound, which belongs to the field of medical instruments for suturing the skin wound, and comprises two adhesive pieces, pre-tightening components are respectively mounted on two sides of the upper ends of the two adhesive pieces, and a plurality of limiting components which are distributed in a staggered manner are mounted on the center sides of the upper ends of the two adhesive pieces. A protective part is attached to the upper end of one adhesive part, the adhesive part comprises a plastic base beam and an adhesive plate, the adhesive plate is fixedly connected to the side end of the plastic base beam, and a first covering film is attached to the lower end of the adhesive plate, so that pre-gathering operation can be conducted on the cracked edge end of a wound before the wound is sutured, tension after the wound is cracked is reduced, and subsequent personnel can conduct suturing more conveniently; meanwhile, trauma of the wound is reduced, the wound position after suturing is kept subsequently, the thread opening phenomenon is avoided, and under the action of the protection piece, the wound after suturing can be waterproof, and the healing rate is increased.