26 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 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 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 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 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.

This invention discloses a portable wound suturing device, belonging to the technical field of medical supplies. It includes a shell, a presser, and a staple cartridge. The presser is elastically mounted on its inner side. A staple pusher plate is movably mounted on the lower part of the presser. The staple pusher plate and the shell are driven by a slanted panel. A staple cartridge for loading titanium staples is located on the inner side of the shell, below the presser. An anvil is fixedly mounted on the lower end of the shell, below the staple pusher plate. A clamping device is fixedly mounted on the outer surface of the lower end of the shell, on one side of the anvil. The device employs a press-type push structure to drive the titanium staples, reducing the size of the wound suturing device and simplifying its operation. It allows for rapid suturing of wounds and features an incision-assisted clamping structure, enabling suturing and fixation even in a closed state, preventing wound dehiscence after suturing and improving the overall effectiveness of the wound suturing device.

The application discloses a magnetic resonance visualized therapeutic tumor postoperative immune biological glue, a preparation method and application thereof, and belongs to the technical field of medical materials. The biological glue is formed by crosslinking of composite nanoparticles formed by bovine serum albumin and potassium permanganate and a crosslinking agent, genipin. The magnetic resonance visualized therapeutic tumor postoperative immune biological glue prepared by the application has near-infrared light-induced high-efficiency wound bonding performance and synchronous photothermal-immune anti-tumor effect, and has great potential and bright clinical conversion prospect in terms of solving the problems of complex postoperative wound suture processes, postoperative tumor recurrence and metastasis and the like.

The utility model relates to the technical field of chemotherapy equipment, and discloses a chemotherapy pipeline structure which comprises a chemotherapy pipeline bag, a 6F blood vessel catheter sheath, a dilator and a puncture needle. Three independent components including a 6F blood vessel catheter sheath, a dilator and a puncture needle are arranged in the chemotherapy catheter bag, a side arm is arranged at one end of the 6F blood vessel catheter sheath, a catheter sheath connecting tube is arranged at one end of the top of the side arm, and a three-way valve is arranged at the other end of the catheter sheath connecting tube. According to the pipeline structure for chemotherapy, through the design of the 6F blood vessel catheter sheath, the dilator and the puncture needle, the clinical problems that catheter indwelling is difficult, pain is obvious, and wounds need to be sutured after catheter drawing are solved, meanwhile, the 6F blood vessel catheter sheath is made of medical-grade plastic, and by combining the Seldinger catheter indwelling technology and the design of the internal puncture hollow needle, the catheter indwelling effect is good, and the catheter indwelling effect is good. The problems of difficulty in catheterization, remarkable pain, need of suture after tube drawing and the like in hyperthermic intraperitoneal perfusion chemotherapy are effectively solved.

The invention relates to a perineum wound suturing auxiliary device which comprises a first operating part, a second operating part and a third operating part, one end of the first operating part is connected with a first opening part, the first opening part protrudes from the connecting position of the first opening part and the first operating part to the side away from the first operating part, and the axis of the first opening part is perpendicular to the axis of the first operating part; the second operating piece is hinged to the first operating piece through a hinge point, one end of the second operating piece is connected with a second opening part, and the hinge point is located between the second operating piece and the second opening part; the second distraction part protrudes from the connecting position of the second distraction part and the second operating part to the side away from the second operating part, the axis of the second distraction part is perpendicular to the axis of the second operating part, the second distraction part is matched with the first distraction part to be used for distraction of the perineum, and a first lighting device is installed on the side, close to the first distraction part, of the second distraction part; the first operating piece and the second operating piece move towards the sides away from each other, so that the first distraction part and the second distraction part move towards the sides close to each other.

The utility model discloses a suturing training device for a through injury of a cheek part, which comprises a base horizontally arranged on a table top; the supporting frame is rotationally connected to one end of the base and used for covering the base; the silica gel pad is embedded in the supporting frame, and a through wound is formed in the silica gel pad; the fixing frame is rotationally connected to the other end of the base and used for covering the supporting frame; a buckle is arranged at the end of the fixing frame, and clamping holes allowing the buckle to be inserted therein are formed in the two ends of the supporting frame respectively. The turnover storage type suture training device has the advantages that by arranging the turnover storage type suture training device, automatic unfolding and storage of the device can be achieved, storage and carrying are convenient, when the supporting frame is unfolded, stable supporting of the supporting frame and the silica gel pad can be achieved through the fixing frame, and the device is convenient to use. Medical staff can conveniently conduct suture training on the silica gel pad, and the training effect is improved.

The utility model discloses an adjustable wound suture fixing device, including flexible pad, its characterized in that: the flexible pad is " back " word type, and is equipped with the wound suture mouth in the middle, the top of flexible pad is equipped with adjusting device, the adjusting device includes flexible strip, the flexible strip fixedly connected in the top of flexible pad wound suture mouth right side, the inside of flexible strip equidistance fixedly connected with three adjusting lock belt, the top of flexible pad wound suture mouth left side with three adjusting lock belt one -to -one corresponding setting has three adjusting locking device, one end of adjusting lock belt passes through adjusting locking device and carries out locking fixed, the locking device includes U -shaped block, the bottom of both ends of U -shaped block and the top of flexible pad fixed connection, the inside of U -shaped block is equipped with lock tooth, the top of lock tooth fixedly connected with two mutually parallel telescopic link, two telescopic link's top and the top of U -shaped block's inside fixed connection.