38results about How to "Effective stitching" patented technology

The invention discloses a surgical instrument. The surgical instrument includes a handle assembly, a shaft assembly, an end effector and a nail cartridge assembly. The shaft assembly is connected to the handle assembly, the end effector is disposed at one end of the shaft assembly, and the nail cartridge assembly is mounted in the end effector. The nail cartridge assembly includes a nail cartridgebody and a nail cartridge protective cover, and the nail cartridge protective cover is detachably connected to the nail cartridge body. A barrier portion is disposed on the nail cartridge protectivecover and / or the nail cartridge body. After the nail cartridge protective cover is connected to the nail cartridge body, the barrier portion is used for forming space between the nail cartridge body and a baffle plate. According to the surgical instrument, suturing nails can be well sealed in the nail cartridge body before being fired, and the suturing nails are prevented from being separated fromthe nail cartridge body during storage and transportation due to extrusion or external force; and at the same time, the surgical instrument further solves the problem that the nail cartridge protective cover is detached from the nail cartridge assembly together with part of the suturing nails when the nail cartridge protective cover is removed.

The invention discloses a staple cartridge assembly comprising a staple cartridge body and a staple cartridge protecting cover. The staple cartridge body comprises staple cavities and suturing staples; at least parts of the suturing staples are placed in the staple cavities; the staple cartridge protecting cover comprises a partition plate; the staple cartridge protecting cover is detachably connected with the staple cartridge body, and the connecting mode is direction connection or indirect connection; and after the staple cartridge protecting cover is connected with the staple cartridge body, a space is formed between the staple cartridge body and the partition plate and used for preventing the partition plate from making contact with the staple cavities. According to the staple cartridge assembly, the suturing staples can be well plugged in the staple cartridge body before the suturing staples are not percussed, and the situation that the suturing staples are disengaged from the staple cartridge body due to being extruded or bearing external force in the storage and transporting processes is avoided; and meanwhile, the problem that when the staple cartridge protecting cover is taken down, the staple cartridge protecting cover and the parts of the suturing staples are disengaged from the staple cartridge assembly together is also solved.

The invention belongs to improvement of surgical instruments, and particularly relates to an intervertebral disc surgery fibrous ring stitching instrument used under an endoscope in the field of the spinal minimally invasive surgery. The intervertebral disc surgery fibrous ring stitching instrument mainly comprises an outer sheath (4), a needle (5) and a suture clamping bolt core (6) which are sequentially stacked in a sleeving manner from outside to inside; a suture supplying device is arranged in the front of the outer sheath (4); a barb (8) capable of accommodating sutures are arranged in the front of the needle (5); and the front end of the suture clamping bolt core (6) can slide in the front-back direction so as to clamp or release the sutures. Furthermore, the suture supplying device is a front supporting claw (7) for preventing the sutures from slipping and specifically comprises a threading hole (9) and suture fixing grooves (10); the left and the right of the threading hole (9) are symmetric to each other; and an included angle is formed between openings of the suture fixing grooves (10) and is 90 degrees preferably. By the intervertebral disc surgery fibrous ring stitching instrument, a suture to be knotted can be knotted on the outside of the endoscope, a suture knot is pushed to a suture position, and the problem that sutures are difficult to knot in a minimally invasive surgery is solved economically, simply and conveniently.

The invention belongs to an improvement in a surgical instrument, and discloses a fibrous ring stapler for percutaneous full-endoscopic minimally-invasive discectomy. The stapler comprises a needle bar (1) and a needle point (2), and is characterized in that the needle point (2) is bent into a hook shape, wherein a threading hole (3) is formed in the front end of the needle point (2). When the stapler with a suture is used, the stapler enters a working passage (6), and is determined by an endoscope to reach a damage of a fibrous ring (5), the needle point with the suture penetrates through one side of the damaged fibrous ring from inside to outside, the threading hole (3) and the two sutures behind are exposed from the fibrous ring, and one suture behind the threading hole is clamped by a clamping device (7), is led out of the threading hole along the working passage, is brought to an area which is convenient to operate outside the working passage at the same time, and penetrates through the other side of the fibrous ring; at the moment, the two free ends of the absorbing suture penetrate through the two opposite sidewalls of the fibrous ring respectively, and are knotted, and knots are fixed by a knotting propeller.

The invention relates to a continuous suture device used for suture operation under a laparoscope. The continuous suture device comprises a suture reel base, a suture reel, a needle cylinder, a sutureneedle and a driving mechanism. The suture reel base is arranged at one end of the needle cylinder. The suture needle is arranged in the needle cylinder, and a syringe needle of the suture needle extends out of one end of the needle cylinder; a suture reel containing cavity extending to two ends of the suture reel base is arranged in the suture reel, the suture reel is arranged in the suture reelcontaining cavity, a uniting cavity is formed in the end close to the suture needle, and the side wall of the suture reel base is provided with a suture outlet groove. The end, close to the needle cylinder, of the suture reel base is provided with a separating structure; the driving mechanism is in driving connection with the suture needle and can drive the suture needle to axially move into theuniting cavity of the suture reel in the axial direction of the needle cylinder, so that the syringe needle is clamped with the uniting cavity, or the suture needle is driven to move and return, the driving mechanism synchronously drives the suture needle to rotate at 90 degrees in the moving and returning process and brings the suture reel out, or the syringe needle and the uniting cavity are separated under the effect of a separating structure. The continuous suture device has the advantages of being capable of reducing the difficulty of a suture technology and shortening an operation period.

The invention discloses a skin wound closing device capable of promoting healing of skin wound. The skin wound closing device facilitates healing of skin wound in the shape of a complex curve or angle bending and the like and comprises supporting structures arranged on two sides of the skin wound, a locking device is arranged above the supporting structures and comprises a lock catch and a lock strip penetratingly sleeved in the lock catch, the supporting structure on each side of the skin wound comprises a plurality of blocks pieced together pairwise, an included angle between each two adjacent blocks is alpha, the included angles alpha are adjacent to the corresponding side of the skin wound, and are larger than 0 degree and smaller than 360 degrees, and an adhesive layer is arranged on the lower surface of each block. The supporting structures formed after the blocks are pieced together are correspondingly arranged along with the complex curve or angle bending trace of the skin wound, the skin wound in the shape of the complex curve and angle bending can be sutured effectively, the skin wound closing device guarantees that effective suturing force is uniformly applied to the skin wound, and healing of the skin wound is promoted.

The invention belongs to the technical field of medical instruments, in particular to a pair of needle forceps for minimally invasive surgery under digestive endoscopy, and aims to solve problems in the prior art that existing suture operation needle forceps cannot well clamp and suture needles and threads, time is wasted, and suture difficulty is improved. The pair of needle forceps for minimallyinvasive surgery under digestive endoscopy comprises a rubber column, one end of the rubber column is connected with a rubber pipe; a rotating column is rotationally mounted at the other end of the rubber column; a groove is formed in the outer side of the rotating column, a push rod motor is fixedly connected to the inner wall of the top of the groove, a telescopic plate is fixedly connected toan output shaft of the push rod motor, an oval head is in threaded connection with the rubber column, a round rod is rotationally installed at one end of the rubber column, the round rod is sleeved with a reel, and two sliding rods are slidably installed on one side of the telescopic plate. The pair of needle forceps for minimally invasive surgery under digestive endoscopy is simple in structure and convenient to operate, a suture needle can be effectively clamped, a wound can be effectively sutured, time is saved, and suture difficulty is reduced.

The invention provides a wound analgesia slow-release system. The wound analgesia slow-release system comprises a permeable packing block, a catheter, a three-way valve and a free catheter bayonet, wherein the permeable packing block is packed into a wound and can be degraded and absorbed by an organism; the catheter is provided with a packing block mounting end mounted in the permeable packing block and a puncture needle end provided with a puncture needle, and a plurality of side holes are formed in the packing block mounting end; three bayonet ports are formed in the three-way valve, the three bayonet ports are provided with a catheter bayonet, an injector bayonet and a drip tube bayonet respectively, and the outer diameter of the catheter bayonet is designed to be gradually increased from the catheter end to the three-way valve end; the free catheter bayonet comprises a middle connecting plate with a through hole, and a catheter connecting end and an injection interface end which are respectively arranged at two ends of the through hole and communicate with each other. According to the wound analgesia slow-release system provided by the invention, local anesthetic can continuously and evenly permeate into nerve endings inside the wound, wound pain after trauma and an operation is solved, and a painless rehabilitation environment is provided for a patient.

The invention relates to a handheld assembly of an electric surgical instrument and the electric surgical instrument. The handheld assembly of the electric surgical instrument comprises a power assembly, a driving assembly, a switching assembly, a first power output assembly, a second power output assembly, a control circuit and a casing part, wherein the switching assembly comprises a shaft, a first gear, a second motor, a transmission rod and a switching meshing part; and the switching meshing part enables the switching assembly to be in a first output mode or a second output mode. The handheld assembly of the electric surgical instrument realizes swing rotation, occlusion and percussion of a screw bin assembly through a first motor with high power. The complexity of the structure of theelectric surgical instrument is reduced and the cost is saved. Meanwhile, the output modes are switched through a second motor with low power, and an insurance structure for preventing mis-percussionis formed by setting an initial driving state.

The invention discloses a tower-type PCB and a stitching method thereof, which relate to the field of printed circuit boards. The tower-type PCB comprises a PCB body, the PCB body comprises an upper layer board and a lower layer board, and the PCB body also comprises square needles; the PCB body is provided with a plurality of welding stitching holes and fixing stitching holes, square needles can be inserted into the welding stitching holes and the fixing stitching holes for stitching, and the welding stitching holes and the fixing stitching holes are used for fixing an upper layer board and a lower layer board. The welding stitching hole and the fixing stitching hole are both in clearance fit with the square needle, the diagonal length of the cross section of the square needle is larger than the aperture of the welding stitching hole and the aperture of the fixing stitching hole, and the aperture of the fixing stitching hole is smaller than that of the welding stitching hole. By the adoption of the scheme, effective stitching of the PCBs can be guaranteed, the bad conditions of deformation, dislocation and the like of the upper PCB and the lower PCB are avoided, meanwhile, soldering tin can permeate to the other sides of the PCBs from the stitching holes, and it is guaranteed that welding on the other sides is free of the bad phenomena of solder skips, pseudo soldering, surfacing and the like.

The present invention provides an artificial straight blood vessel for over-turning anastomosis. The artificial straight blood vessel for over-turning anastomosis consists of an annular line anastomosis section, a vertical line connecting section and an annular line extension section, the vertical line connecting section is respectively connected with the annular line anastomosis section and the annular line extension section, the annular line anastomosis section is turned over outwards, two sections of blood vessels of the annular line anastomosis section and the vertical line connection section are tightly jointed after being turned over, and the whole shape of the artificial blood vessel is in a turned-over cuff shape. The artificial blood vessel is woven by adopting a polyurethane material, and an inside and an outside of the blood vessel both contain albumin coatings. The artificial blood vessel is simple to manufacture, non-magnetic, not narrow inside, good in longitudinal line expansion, complete in models, and suitable for people of various body types, and especially contains small diameter models. The artificial straight blood vessel can continuously suture a plurality ofstitches, realizes fast and efficient suturing, is not easy to cause anastomotic stenosis and convenient to complete a blood vessel replacement operation, has good hemostasis and compression effects,obviously reduces a bleeding incidence rate of anastomotic stoma, ensures anastomotic quality, and has simple and convenient operation and exact effects.

The invention discloses a puncture core assembly. The puncture core assembly comprises a puncture assembly, a sewing assembly and a regulating unit, wherein the puncture assembly comprises a punctureend and a puncture rod; the sewing assembly is positioned in the puncture rod; at least one part of the sewing assembly can move in the puncture rod; an accommodating space is formed between the puncture end and the puncture rod; the regulating unit controls the height of the accommodating space; the sewing assembly moves, so that one end of a sewing line passes through a tissue in the accommodating space. According to the puncture core assembly and the puncture unit provided with the same disclosed by the invention, a puncture hole does not need to be expanded, so that the puncture effect canbe realized to establish a channel, and sewing of the puncture hole can be realized in the narrow and small puncture hole; sewing height can be regulated according to individual difference of the target tissue; and puncture hiatus hernia caused by a minimally invasive surgery puncture hole is effectively avoided, and postoperative rehabilitation of a patient is facilitated.

The invention relates to an electric surgical instrument. The electric surgical instrument comprises a cutting suture part and a handheld part, wherein the handheld part comprises a switching assembly; the switching assembly is engaged with a driving assembly to obtain power input; the switching assembly comprises a shaft, a first gear and an output switching part; the output switching part comprises a second motor, a transmission rod and an engagement piece; the output switching part is coupled to a first gear; the switching assembly is engaged with the driving gear through the driving assembly; the switching engagement piece enables the switching assembly in a first output mode or a second output mode. The electric surgical instrument can realize closure, percussion and reset of a nail bin assembly through a high-power first motor. The structure complexity of the electric surgical instrument is reduced and the cost is saved. Meanwhile, switching of the output mode is realized througha low-power second motor, an initial driving state can be set, and an insurance structure for preventing mis-percussion is formed.

The invention relates to a single-motor electric surgical instrument hand-held assembly and an electric surgical instrument. The single-motor electric surgical instrument hand-held assembly comprises:a power supply module, a driving module, a switching module, a first power output module, a second power output module, a control circuit and a housing part. The switching module can be meshed with the driving module to obtain power input, the switching module comprises a shaft, a first gear and an output switching part, the first gear is arranged on the shaft, and is meshed with a driving gear of the driving module, the output switching part is coupled with the first gear, the switching module is meshed with the driving gear of the driving module, and the switching module can be in a first output mode or a second output mode by shifting the output switching part. According to the invention, the structural complexity of the electric surgical instrument is reduced and the cost is saved. Meanwhile, through setting an initial driving state, a safety structure for preventing false triggering is formed.

The invention discloses an electric anastomat with intelligent detection, including an anastomat body. At one end of that anastomat body, a connecting rod is arranged. At one end of that connecting rod is provided with an anastomosis clamp, a pressure sensor is arranged at the center of the anastomosis clamp, a cavity is arranged inside the connecting rod, a cover plate is arranged at the top ofthe cavity, a first storage bin is arranged inside the cavity, an ultrasonic sensor is arranged inside the first storage bin, and a second storage bin is arranged at the top of the first storage bin.As that infrared sensor is arranged, it is convenient to test the anastomosis force of anastomosis forceps by pressure sensor. The ultrasonic sensor and an infrared sensor can detect a wound suture condition, and that first and second storage bin can protect the ultrasonic sensor and the infrared sensor from external contamination, thereby integrally enable the invention to detect the wound suturecondition and playing a very good protective role to the sensor. The ultrasonic sensor and the infrared sensor can detect the wound suture condition.

The invention provides a button sewing machine which comprises a body (1), a sewing part (2) and an article placement platform (3). The sewing part (2) is arranged at the bottom of the body (1) in a sliding way through a telescopic rod (11); the article placement platform (3) is arranged on the lower end of the sewing part (2); an article supporting part (21) is arranged correspondingly on the end part of the sewing part (2); the article placement platform (3) which corresponds to the article supporting part (21) is provided with needle holes (32); a connecting rod is vertically and slidingly arranged the bottom of one end of the body which corresponds to the article supporting part (21); a rotating part which can rotate around the center axis per se is arranged on the bottom end of the connecting rod; and a needle (13) is fixedly arranged at the periphery of the bottom of the rotating part. In the invention, the needle which is arranged on the bottom end of the rotating part can be used to sew buttons, thus the yarn disorder caused by sewing the buttons alternatively by adopting a plurality of needles of the traditional sewing machine is avoided.

The invention discloses a surgical instrument. The surgical instrument includes a handle assembly, a shaft assembly, an end effector and a nail cartridge assembly. The shaft assembly is connected to the handle assembly, the end effector is disposed at one end of the shaft assembly, and the nail cartridge assembly is mounted in the end effector. The nail cartridge assembly includes a nail cartridgebody and a nail cartridge protective cover, and the nail cartridge protective cover is detachably connected to the nail cartridge body. A barrier portion is disposed on the nail cartridge protectivecover and / or the nail cartridge body. After the nail cartridge protective cover is connected to the nail cartridge body, the barrier portion is used for forming space between the nail cartridge body and a baffle plate. According to the surgical instrument, suturing nails can be well sealed in the nail cartridge body before being fired, and the suturing nails are prevented from being separated fromthe nail cartridge body during storage and transportation due to extrusion or external force; and at the same time, the surgical instrument further solves the problem that the nail cartridge protective cover is detached from the nail cartridge assembly together with part of the suturing nails when the nail cartridge protective cover is removed.

The invention relates to an operation incision muscle suture needle, in particular to a laparoscope puncture incision muscle suture needle, which solves the problems of low suture efficiency, inflexible operation, and on the like caused by unreasonable structure of the traditional laparoscope incision muscle suture instrument. The suture needle is composed of a needle body and a handle on the tail end of the needle body, wherein the needle body is provided with a chute outwards hanging wires from the opening, and a chute inwards sending wires from the opening; the needle body is of an arc shape, of which the central angle is 30DEG; and the handle is in an H shape; and two cross bars of the H-shaped handle are perpendicular to the plane of the axis of the arc-shaped needle body. The invention improves suture efficiency, is flexible to operate, can realize efficient and quick suture to the muscle layer of deep small incisions at waists and abdomens for a retroperitoneal laparoscopic operation for obese patients, and can achieve the aims of preventing complications and obviously shortening the suture time of operation incisions. The invention has the advantages of simple structure, easy processing and manufacture and lower cost, and can be repeatedly used after cleaning and disinfecting.

The invention relates to a fabrication equipment and a fabrication method used for a polishing wheel. The fabrication equipment comprises a sewing machine and a polishing wheel driving mechanism; the driving mechanism comprises a claw; one end of the claw is connected with a small central hole of the wheel core of the polishing wheel and the other end thereof is connected with one end of a transmission rod; the other end of the transmission rod is engaged with one end of a worm wheel through a worm; a wheel tooth at the other end of the worm wheel is engaged with a rack; the rack is arrangedon a bracket which is arranged beside the sewing machine. When being fabricated, a round basic sheet raw material is fabricated and a small central hole is opened at the same time; two layers and more basic sheets are overlapped together by taking the small central hole as the center; a thread involute with equal distances of an internal layer sewing line and an external layer sewing line is sewed on the basic sheet through the sewing machine so as to obtain the sewed polishing wheel; the small central hole is then taken as the center so as to punch a comparatively large assembly hole; finally, the periphery of the polishing wheel is cut and decorated by the punched assembly hole. The invention has the advantages of low fabrication cost and high working efficiency.

The invention relates to an electric surgical instrument. The electric surgical instrument comprises a severing and stapling part and a handgrip, wherein the severing and stapling part comprises an anvil assembly and an anvil storage assembly; the handgrip comprises a power supply assembly, a drive assembly, a switching assembly, a first power output assembly, a second power output assembly, a control circuit and a housing part; the drive assembly comprises a drive gear and a first motor; the switching assembly comprises a shaft, an output switching part and a plurality of gear assemblies; theoutput switching part comprises a second motor, a transmission rod and an engaging element; and the output switching assembly can enable the switching assembly to be located in a first output mode ora second output mode. The electric surgical instrument provided by the invention achieves swinging, closing and firing of a cartridge assembly through the first motor. The complexity of the structureof the electric surgical instrument is reduced and the cost is reduced. Meanwhile, setting of an initial drive state is achieved through the second motor, and a protector structure for preventing firing by mistake is formed.

The invention discloses a staple cartridge assembly comprising a staple cartridge body and a staple cartridge protecting cover. The staple cartridge body comprises staple cavities and suturing staples; at least parts of the suturing staples are placed in the staple cavities; the staple cartridge protecting cover comprises a partition plate; the staple cartridge protecting cover is detachably connected with the staple cartridge body, and the connecting mode is direction connection or indirect connection; and after the staple cartridge protecting cover is connected with the staple cartridge body, a space is formed between the staple cartridge body and the partition plate and used for preventing the partition plate from making contact with the staple cavities. According to the staple cartridge assembly, the suturing staples can be well plugged in the staple cartridge body before the suturing staples are not percussed, and the situation that the suturing staples are disengaged from the staple cartridge body due to being extruded or bearing external force in the storage and transporting processes is avoided; and meanwhile, the problem that when the staple cartridge protecting cover is taken down, the staple cartridge protecting cover and the parts of the suturing staples are disengaged from the staple cartridge assembly together is also solved.

The invention discloses a height adjusting device for adjusting and fixing height of an accommodating space between a first part and a second part. The height adjusting device comprises a first locking component and a second locking component, wherein the first locking component can move relative to the second part; the second locking component and the first part are fixedly connected or are integrally formed; the second part can move relative to the first part to form the accommodating space; the first locking component can move relative to the second locking component, and the second part isdriven to move relative to the first part, so that the height of the accommodating space is adjusted; and the first locking component and the second locking component can be mutually locked, so thatheight of the accommodating space is fixed. According to the height adjusting device disclosed by the invention, needed sewing height is adjusted and the height is fixed according to individual difference of a target tissue, so that the target tissue is effectively sewn.

The invention provides an endoscope puncture stitching instrument which comprises a puncture core, butt joint plates are installed on the two sides of the bottom end of the puncture core respectively, and a control assembly is installed in the puncture core; the inner connecting line is arranged at the bottom end of the puncture core, and the two ends of the inner connecting line are detachably installed on the butt joint plate; the number of the puncture needles is two, a first operating rod is arranged in one puncture needle, and an outer connecting line and a second operating rod are arranged in the other puncture needle; the puncture outfit body is provided with a puncture core hole, and a puncture sheath tube is arranged at the bottom of the puncture core hole. The inner connecting line serves as a middle connecting carrier and is fed into the body of a patient through the puncture core, the two puncture needles serve as guide channels for connection, and the inner connecting line inside the body of the patient is connected with the first operating rod and the outer connecting line outside the body of the patient. Therefore, the puncture wound of the body of the patient is sutured from inside to outside, key tissue layers such as fascia at the puncture wound are sutured together effectively, and healing of the wound is accelerated.

A medical suture needle device comprises a turnplate, a suture needle, a base plate and a cylinder, wherein the turnplate is arranged on the left side of the base plate, a rotary shaft is arranged on the circle center of the turnplate, and the cylinder is arranged on the right side of the base plate; the suture needle is arched, first toothed structures are evenly arranged on the outer side of the arched structure and face the direction opposite to a needle point, second toothed structures are arranged on the edge of the turnplate, and the first toothed structures are meshed with the second toothed structures; the suture needle is clamped by the cylinder and the turnplate, and the suture needle is driven to rotate through the rotation of the turnplate. By the adoption of the medical suture needle device, the problem that a needle can not be clamped by a needle holder easily can be solved, the defects of the needle holder are overcome, and an incision can be sutured easily and effectively.

The invention relates to a fabrication equipment and a fabrication method used for a polishing wheel. The fabrication equipment comprises a sewing machine and a polishing wheel driving mechanism; the driving mechanism comprises a claw; one end of the claw is connected with a small central hole of the wheel core of the polishing wheel and the other end thereof is connected with one end of a transmission rod; the other end of the transmission rod is engaged with one end of a worm wheel through a worm; a wheel tooth at the other end of the worm wheel is engaged with a rack; the rack is arranged on a bracket which is arranged beside the sewing machine. When being fabricated, a round basic sheet raw material is fabricated and a small central hole is opened at the same time; two layers and more basic sheets are overlapped together by taking the small central hole as the center; a thread involute with equal distances of an internal layer sewing line and an external layer sewing line is sewed on the basic sheet through the sewing machine so as to obtain the sewed polishing wheel; the small central hole is then taken as the center so as to punch a comparatively large assembly hole; finally, the periphery of the polishing wheel is cut and decorated by the punched assembly hole. The invention has the advantages of low fabrication cost and high working efficiency.

The invention discloses a skin wound closing device capable of promoting healing of skin wound. The skin wound closing device facilitates healing of skin wound in the shape of a complex curve or angle bending and the like and comprises supporting structures arranged on two sides of the skin wound, a locking device is arranged above the supporting structures and comprises a lock catch and a lock strip penetratingly sleeved in the lock catch, the supporting structure on each side of the skin wound comprises a plurality of blocks pieced together pairwise, an included angle between each two adjacent blocks is alpha, the included angles alpha are adjacent to the corresponding side of the skin wound, and are larger than 0 degree and smaller than 360 degrees, and an adhesive layer is arranged on the lower surface of each block. The supporting structures formed after the blocks are pieced together are correspondingly arranged along with the complex curve or angle bending trace of the skin wound, the skin wound in the shape of the complex curve and angle bending can be sutured effectively, the skin wound closing device guarantees that effective suturing force is uniformly applied to the skin wound, and healing of the skin wound is promoted.

The invention relates to a supporting frame, in particular to a solenoid detachable channel sewing supporting frame, and belongs to the technical field of medical instruments. The supporting frame comprises an outer sleeve film and an elastic supporting ring arranged in the outer sleeve film, the elastic supporting ring can adhere the inner wall of the outer sleeve film, and a supporting body which can be embedded in a channel and support the channel is formed after the outer sleeve film is supported by the elastic supporting ring; guiding heads used for guiding the supporting body when the supporting body is embedded in a to-be-sewn channel are formed in two ends of the supporting body, a sewing groove used for sewing the channel is formed in the part between the guiding heads arranged attwo ends of the supporting body, a supporting flowing cavity is formed in the supporting body, and the supporting flowing cavity is communicated with liquid flowing ports formed in two ends of the supporting body. The supporting frame has a compact structure and can provide effective supporting for the sewing of the channel to improve the convenience of channel sewing, and the supporting frame issafe and reliable.