38results about How to "Reduce postoperative complications" patented technology

The invention provides an acetabular prosthesis, which comprises an acetabular cup, an acetabular prosthesis body, an acetabular prosthesis body and an acetabular prosthesis body, wherein a mounting groove is formed in the inner side of the acetabular cup; the lining is adjustably arranged in the mounting groove in the direction perpendicular to the inside and outside direction of the acetabular cup, and an adjusting interval is formed between the outer side wall of the lining and the groove wall of the mounting groove; and the filling piece is filled in the adjusting interval and is matched with the adjusting interval in size so as to limit the movement of the lining relative to the acetabular cup. According to the technical scheme, the problems that in the prior art, an acetabular cup is not easy to install in place, and the rotation center of a hip joint is not easy to reset can be solved.

The invention discloses a 3D printed acetabulum accurate positioning operation guide plate, which comprises a head part, a body part and a tail part, the body part is used for connecting the head part and the tail part, and the tail part comprises a fixing piece fixed on a residual iliac ridge of a patient and an adjusting assembly for changing the position of the head part. According to the 3D-printed acetabulum precise positioning operation guide plate, the connecting rod and the fixing ring are rotationally connected through the vertical rotating shaft, the connecting rod and the mounting ball are rotationally connected through the transverse rotating shaft, then the tail position can be rotated at will, the position of the head can be changed, a preoperative template prosthesis can be completely matched with an actual osteotomy area of a patient, and the accuracy of the acetabulum precise positioning operation guide plate is improved. In addition, adjustment is carried out according to actual conditions in the surgical operation process, accurate positioning of the original acetabulum can be achieved, and it can be guaranteed that the forward-leaning abduction angle of the original acetabulum is recovered.

The application provides a universal connection structure of an electric resectoscope, a laser scope and a shaving scope, and belongs to the technical field of medical devices, and comprises the following: a Z-shaped endoscope, which has a device channel at the distal end; an inner sheath, which is connected with a first connector at the distal end, and the proximal end and the distal end of the first connector are respectively provided with a first connecting part and a second connecting part, and a containing hole penetrating through both ends is further formed in the first connector; an outer sheath, which is connected with a second connector at the distal end, and the outer end of the second connector is provided with a third connecting part, the third connecting part is detachably connected with the first connecting part, and a water inlet valve and a water outlet valve, which are in communication with the inside of the second connector, are connected to the peripheral side of the second connector; and an adapter pipe, which is respectively provided with a fourth connecting part and a fifth connecting part at both ends, and the fifth connecting part is used for detachable connection with the third connecting part. When the operation mode is changed in the operation, the outer sheath and the endoscope do not need to be taken out and replaced, the universal electric resection ring, the laser fiber, the shaving cutter head and the cold knife device of a conventional size can be installed, and the diameter of the outer sheath is reduced.

This invention relates to the field of medical device technology, specifically to a fixation brace for postoperative repair of lateral collateral ligament injury of the ankle joint. It includes a bionic support shell conforming to the dorsum of the foot, ankle, and heel. The bionic support shell comprises a dorsum segment, an ankle segment, and a heel segment conforming to the dorsum of the foot, ankle, and heel. The bionic support shell is equipped with a multi-dimensional fit and fixation mechanism and an adaptive rehabilitation adjustment mechanism. The multi-dimensional fit and fixation mechanism is electrically connected to a control module, which is also electrically connected to the adaptive rehabilitation adjustment mechanism. The multi-dimensional fit and fixation mechanism includes an arch support component, a circumferential tightening component, and a heel limiting component. The control module is used to adjust the fixation force of the multi-dimensional fit and fixation mechanism, simultaneously and in conjunction with adjusting the range of motion limits of the adaptive rehabilitation adjustment mechanism. This invention achieves precise multi-point fit and fixation of the ankle joint, with precisely adjustable fixation force.

The utility model relates to a pressurization and cold therapy integrated mandible sleeve, which comprises a mandible sleeve, an inner layer lining cloth, a cold therapy layer, a pressurization layer and an outer layer lining cloth, the pressurization layer comprises an inflation air bag and an inflation connector, the inflation air bag is communicated with the inflation connector through an inflation hose, and magic tape connecting layers are sewn at the top and the rear of the mandible sleeve. Compared with a traditional gauze binding mode, the novel medical bandage has the advantages that the comfort degree is improved, the neck of a patient cannot be tightened, the patient cannot be pressed, asthma cannot be caused, meanwhile, the compliance of the patient is improved, postoperative complications are reduced, the number of hospitalization days of the patient after the operation is reduced, and the medical bandage is suitable for being popularized and applied. The hook-and-loop fastener connecting layer arranged in the lower jaw sleeve facilitates taking and wearing of the lower jaw sleeve, so that a doctor can better observe a wound of a patient conveniently, the doctor does not need to take down gauze and then bind the wound again in the observation period, and the labor cost of the doctor is reduced.

The invention discloses a tumor ablation image fusion modeling method based on deep learning, and relates to the technical field of intelligent medicine, and the method comprises the steps: obtaining a plurality of preoperative tumor images of a tumor patient before an ablation treatment puncture operation is carried out on a tumor; performing image fusion on the first ultrasonic tumor image, the first CT tumor image and the first MRI tumor image to obtain a preoperative fusion tumor image; the method comprises the following steps of: acquiring a plurality of intraoperative tumor images of a tumor patient in the process of performing ablation therapy puncture operation on the tumor; obtaining an intraoperative fusion tumor image for the second ultrasonic tumor image, the second CT tumor image and the second MR I tumor image; and according to the extracted spatial mode data and deep learning training data, constructing a deep learning model, and carrying out training optimization on the constructed deep learning model to obtain a tumor ablation image fusion model. According to the invention, the treatment effect of the ablation treatment puncture operation can be accurately evaluated based on the tumor ablation image.

This invention discloses a hysteroscopic plasma snare device, comprising an operating handle, an operating ring electrode rod, a plasma coil, a basket, and a coagulation electrode. The operating ring is fitted onto the operating handle, the electrode rod is located at one end of the operating handle, and the plasma coil is located at one end of the electrode rod. The plasma coil is controllably contracted within the electrode rod. The basket for retrieving excised tissue is located on the plasma coil, and the coagulation electrode is located at the end of the plasma coil, allowing for controlled coagulation at the tissue excision site. Advantages include: supplying physiological saline to the plasma coil at one end of the electrode rod to generate plasma for excision of the affected tissue; ease of use and preservation of the excised tissue; using the basket to hold the excised tissue for complete removal, facilitating pathological analysis; and timely coagulation at the excision site using the coagulation electrode, reducing postoperative complications and avoiding equipment changes during surgery, making it convenient and quick to use.

The invention relates to the technical field of bellybands, and discloses a multifunctional bellyband used after renal paracentesis and based on child physical characteristics, the multifunctional bellyband comprises a band body, and the band body is filled with gel; the clamping and closing mechanism is clamped and fixed on the belt body along the width direction of the belt body and is used for cutting off the gel channel in the belt body. According to the kidney paracentesis postoperation multifunctional bellyband based on the child body shape characteristics, through the design of gel filling and a clamping and closing mechanism, waist support can be flexibly adjusted according to the difference of child body shapes, accurate compression can be provided, it is ensured that effective compression hemostasis can be achieved on kidney paracentesis parts after the operation, and postoperative complications are reduced.

The utility model relates to the technical field of medical instruments, in particular to a blood vessel anastomosis device which comprises a pair of triangular anastomosis devices, through holes are formed in the anastomosis devices, and anastomosis rings are arranged in the through holes. Coordination needles and coordination holes which are matched with each other are arranged on the opposite faces of the pair of anastomators in a staggered mode, and anastomosis forceps are arranged in a mode of being matched with the anastomators. An embedding device is arranged on the anastomosis forceps, a triangular embedding groove matched with the anastomat is formed in the embedding device, the embedding device is further arranged to be of a telescopic structure, and an adjusting mechanism capable of adjusting the distance between two forceps rods of the anastomosis forceps is arranged at the rotating connecting position of the anastomosis forceps in a matched mode. The end-to-end anastomosis and end-side anastomosis of the blood vessel can be simultaneously adapted, a 45-degree included angle between a donor blood vessel and a receptor blood vessel can be formed in the end-side anastomosis, the design of hemodynamics is met, the effect of blood vessel anastomosis is effectively improved, and the risk of various postoperative complications is reduced.

The utility model discloses a mounting and connecting structure for an additional stent and an aorta covered stent. The mounting and connecting structure comprises the aorta covered stent and a macromolecular polyester material additional stent which can be absorbed by a human body, the additional bracket is tubular and is provided with a grid filiform structure formed by laser engraving; the wire diameter of the grid is the same as the wall thickness; the aorta covered stent is also provided with covered latticed textures; the additional stent can be mounted at the end part of the aorta covered stent in a fastened butt-connection or cross-connection or stacked connection manner; the additional stent is additionally arranged at the end of the aorta covered stent, more stable supporting force is provided, expansion of a false cavity is helped to be reduced, and therefore the risk of Ia type and Ib type inner leakage is reduced; the positioning precision of the aorta covered stent can be improved, and postoperative complications can be reduced. The additional stent and aortic covered stent cross-connection installation connecting structure provides a solution for enhancing support and promoting vascular remodeling for a lesion area.

This application discloses a hydrogel composition, its preparation method, and its applications, relating to the fields of regenerative medicine and biomedical materials technology. The hydrogel composition comprises o-nitrobenzyl alcohol-modified tetra-arm polyethylene glycol and methacrylated hyaluronic acid. The hydrogel composition provided in this application addresses the problems in related technologies that rely on tissue flaps or prostheses for repair, such as large trauma, easy foreign body reaction, asymmetrical shape, unnatural feel, and the inability of tissue engineering materials to be rapidly molded intraoperatively, requiring secondary surgery.

The tent nail comprises a screw head, the left end of the screw head is fixedly connected with a healing cap, the left end of the healing cap is fixedly connected with a connecting column, the left end of the connecting column is fixedly connected with a screw rod, the left end of the screw rod is fixedly connected with a mounting head, and a threaded structure is arranged on the surface of the mounting head. The tent nail has the advantage of being convenient to use, and the problems that in the using process of an existing tent nail, the integration degree is low, in the tent nail installing process, the number of surgical operation steps is increased, the complexity of component assembling is also improved, and the surgical efficiency and convenience are reduced are solved.

The invention discloses a tibia high-position inner side open wedge-shaped osteotomy operation guider, and belongs to the technical field of medical instruments, the tibia high-position inner side open wedge-shaped osteotomy operation guider comprises a fibula tip positioning frame, a tibia positioning frame is arranged on the right side of the outer side wall of the fibula tip positioning frame, and an adjusting groove is formed in the front surface of the tibia positioning frame; the outer side wall of the fibula tip positioning frame is slidably connected with the interior of the adjusting groove. In the prior art, fluoroscopic examination and guide needle positioning adjustment need to be conducted frequently by means of imaging equipment, the operation time is prolonged, radiation exposure of patients and medical staff is increased, the extension distance of a telescopic sleeve is observed through two first scale marks, and therefore the total length of the cut tibia is calculated, and the total length of the cut tibia is calculated. The guide needle can be accurately positioned at a time, the number of times of repeated adjustment and fluoroscopy in an operation is greatly reduced, the operation time is remarkably shortened, and the anesthesia time of a patient and the risk in the operation can be reduced.

The application discloses a hemorrhoid operation system, which comprises a safe blocking component, an intracavitary radial feed drainage knife group, and an intracavitary negative pressure forced stasis discharge component. The safe blocking component is used for sealing with the intestinal wall to block the downward flow of intestinal excrement. The intracavitary radial feed drainage knife group is used for puncturing a lesion. The intracavitary negative pressure forced stasis discharge component is used for negative pressure action on the punctured lesion to discharge stasis. Thus, the downward flow of intestinal excrement can be blocked to avoid infection of a surgical wound. The cyst at the hemorrhoid lesion is punctured to dredge the stasis discharge channel, and the intracavitary negative pressure forced stasis discharge component is used to forcibly discharge the stasis in the cyst. Compared with traditional hemorrhoid medical instrument operation, the hemorrhoid operation system does not need to cut off the epidermis of the internal hemorrhoid lesion and the large intestinal muscle, has no contraindicated population, and will not cause serious complications such as rectal stenosis and death, and has strong safety and significant clinical application value.

The invention discloses an ophthalmic hydrogel adhesive and application thereof, and belongs to the technical field of tissue adhesives. The ophthalmic hydrogel adhesive capable of in-situ rapid crosslinking, low swelling and high transparency is mainly formed by compounding a hydrophilic polymer and a block polymer, the mass ratio of the hydrophilic polymer to the block polymer is (1: 5)-(5: 1), and the hydrophilic polymer is selected from one of polyethylene glycol and polyvinyl alcohol; the block polymer is poloxamer; the end groups of the hydrophilic polymer and the block polymer are modified with cross-linking groups and are covalently connected by the cross-linking groups. The hydrogel adhesive product for the ophthalmology department has excellent biocompatibility, low swelling property, strong adhesiveness and good air permeability, the post-operation tissue repair effect is remarkably improved, postoperative complications are reduced, more comfortable postoperative experience is brought to ophthalmologic operation patients, and the hydrogel adhesive product has remarkable economic benefits and social benefits.

The invention discloses a tumor postoperative lymph drainage instrument which comprises a supporting pad and a bottom plate arranged at the bottom of the supporting pad, a front support and a rear support which can be slidably positioned are further arranged on the bottom plate, a neck lymph drainage structure is arranged on one side of the front support, and an intercostal lymph drainage structure is arranged on the other side of the front support. An armpit lymph drainage structure is further arranged on the upper portion in the front support, an upper limb lymph drainage structure is further arranged on one side of the armpit lymph drainage structure, an abdomen lymph drainage structure is arranged on one side of the rear support, two sets of inguinal lymph drainage structures are arranged on the upper portion in the rear support, and the first inguinal lymph drainage structure is further provided with a lower limb lymph drainage structure. By means of the device, synchronous drainage can be conducted on the whole-body lymph, meanwhile, the drainage strength can be adjusted according to different lymph positions, continuous drainage can be conducted on the lymph in each area according to the corresponding drainage according to the lymph circulation path, and postoperative lymphedema is radically prevented.

The utility model provides a visual tissue retracting and guiding system. The visual tissue retracting and guiding system comprises an endoscope, a dredging device and a reducing sleeve. The dredging device comprises a control handle provided with a handle inner cavity and an expansion bag, the control handle is connected with a tube body, an inner sleeve is arranged in an outer sleeve of the tube body in a penetrating mode, and the inner sleeve is communicated with the handle inner cavity. The control handle is provided with a filling connector communicated with an inner cavity of the collapsible bag and a suction connector communicated with an inner cavity of the handle. The reducing sleeve comprises a first half-cylinder structure and a second half-cylinder structure which are in sliding connection, and the dredging device can be arranged between the first half-cylinder structure and the second half-cylinder structure in a penetrating mode; the endoscope is arranged in the inner sleeve in a penetrating mode. According to the visual tissue retraction guide system provided by the invention, through the endoscope penetrating through the inner sleeve and the expansion bag at the far end of the dredging device, the brain tissue is flexibly and visually retracted, the white matter fiber of the brain is protected, and the condition of a target spot is observed in real time in the process of sucking extravasated blood and accumulated (spinal fluid) fluid; the variable-diameter sleeve can meet target spot displacement in an operation or operation needs to adjust an operation channel.

The utility model relates to an anastomosis instrument which comprises a head, a waist and a tail. The head portion is in a hollow pipe shape, one end of the head portion can be connected with a first pipeline, the waist portion is hollow, arranged between the head portion and the tail portion and connected with the other end of the head portion and one end of the tail portion respectively, the waist portion is formed by inwards retracting the other end of the head portion, and the other end of the tail portion is connected with the inner wall of a second pipeline in a matched mode. The inner anti-disengaging piece makes contact with the outer wall of the first pipeline and applies anti-disengaging force to the first pipeline. According to the anastomosis instrument, the direct and stable instrument is provided, due to the arrangement of the waist part, the first pipeline and the second pipeline can be directly and stably anastomosed, liquid backflow and overflow are avoided, suture of a doctor is avoided, the difficulty of pipeline anastomosis is greatly reduced, meanwhile, the inner anti-disengaging piece can effectively prevent the first pipeline from shifting or disengaging, and the anastomosis effect is improved. And the anastomosis stability and safety are greatly improved.

This invention belongs to the field of biomedical materials, and particularly relates to a hydrogel for cartilage repair and its preparation method. The preparation method of the hydrogel includes the following steps: (1) adding cross-linked modified chitosan and 8-O-acetylganoside methyl ester to a collagen solution, adjusting the pH to obtain a collagen polysaccharide solution; (2) adding metal ion microspheres to the collagen polysaccharide solution of step (1), stirring and reacting, then adding microbial transglutaminase for heating and reacting, adjusting the pH to obtain a mixed solution; (3) adding 1,4-butanediol diglycidyl ether and growth factors to the mixed solution of step (2), adjusting the pH, water bath, and dialysis to obtain the hydrogel. This preparation method is simple, and the obtained hydrogel has excellent mechanical strength and adhesion properties.

The present invention relates to a 3D printing trajectory control method for bone joint surface reconstruction. First, an algorithm based on deep learning is used to identify and classify the damage in the three-dimensional model of bone joints obtained by medical imaging technology, and a repair path is generated according to the type and severity of the damage; wherein the algorithm based on deep learning includes a convolutional neural network (CNN) architecture, which identifies and classifies bone joint damage from the three-dimensional model and evaluates the type and severity of the damage; according to the type and severity of the damage, the 3D printing trajectory is designed using image processing and computational geometry technology, and the repair path is optimized using a dynamic programming method; then the 3D printing path is optimized using a bionic algorithm, the print head speed and movement trajectory are adjusted in real time, and the material deposition is controlled and optimized; finally, an intelligent algorithm is developed to select printing materials and parameters, and a database is established to recommend the best materials and printing parameters according to the repair requirements.

The embodiment of the utility model provides a tibia positioning and adjusting device, which comprises a joint rod assembly, a connecting rod assembly and a connecting rod assembly, the navigation module comprises a plurality of navigation modules used for assisting in measuring the force line of the knee joint, and the plurality of navigation modules are detachably arranged on different joint rods in the joint rod assembly; the measuring modules are arranged at the two ends of the joint rod assembly and used for assisting in measuring the force line of the knee joint; wherein the plurality of different joint rods are respectively controlled through different rotating switches, so that the navigation module and the measurement module are driven to rotate independently or together with the plurality of joint rods in different dimensions, and the measurement of the knee joint force line is completed. The tibia positioning and adjusting device is simple in structure and used for being combined with a portable navigation system to determine the force line of the knee joint.

The invention discloses a device and a method for fixing and restoring skull bone flaps, and belongs to the technical field of bone fixing and repairing. According to the device, the defective bone flap is fixed on the skull through the skull fixer; the skull fixator comprises a skull side fixing end, a first titanium nail, a lifting structure, an adjusting boss, a bone flap side fixing end and a fixing titanium nail. The skull side fixing end is fixedly connected with the bone flap side fixing end; the skull side fixing end is fixed with the skull through a fixing titanium nail; the adjusting boss is arranged on the bone flap side fixing end, the first titanium nail penetrates through the defective bone flap and the lifting structure and then is in threaded connection with the adjusting boss, and the defective bone flap and the bone flap side fixing end are fixed together. A new choice is provided for pure complete fixation and bone flap removal after the craniocerebral operation, the problem that the intracranial pressure is increased after pure skull fixation can be effectively solved, the risk caused by brain tissue swelling after the operation is reduced, and meanwhile the stability after bone flap reduction can be guaranteed.

The present invention discloses an occluder without external protrusion structures at both ends, which includes: a mesh body; a first closing line, the first closing line is passed through a plurality of grids composed of mesh wires at the first closing end to achieve the closing of the first closing end; a second closing line, the second closing line is passed through a plurality of grids composed of mesh wires at the second closing end to achieve the closing of the second closing end. Compared with the occluder with a threaded connector in the prior art, this solution of the present invention can reduce the difficulty of processing, reduce the defective rate, and save costs.

The utility model discloses a novel enterostomy simulation device. The novel enterostomy simulation device comprises a fixing part and a stoma model, the fixing part comprises two layers of fixing bodies with the same structure, the two layers of fixing bodies are stacked and are sewn into a whole, each fixing body comprises a base body and a bandage, the base body is circular, a connecting hole is formed in the middle of the base body on the upper side, and the bandage is arranged in the connecting hole. The stoma model is of a hollow columnar structure, the lower end of the stoma model penetrates through the connecting hole and extends to the position between the fixing bodies on the two sides, and the lower end of the stoma model is sewn to the base body on the upper side; the binding bands are symmetrically arranged on the two sides of the base body, the binding band on one side is provided with a hook-and-loop fastener hook portion, and the binding band on the other side is provided with a hook-and-loop fastener loop band movably connected with the hook-and-loop fastener hook portion. The simulation device is simple in overall structure and convenient to implement, the effect of adapting to and improving postoperative care in advance can be achieved, and postoperative complications are reduced.

This utility model belongs to the field of medical device technology and discloses an arteriovenous fistula (AVF) self-dilation and rehabilitation exercise device, including a first strip-shaped airbag and a fist-clenching assembly. The first strip-shaped airbag has a deflation valve fixedly mounted on it and is connected to an inflation pump. One end of the first strip-shaped airbag has a locking buckle, and the other end has a strip-shaped locking piece. The locking buckle includes a fixing seat and a positioning sub-component. The locking piece has a positioning mother-component fixed on it. The fixing seat has an inlet and an outlet communicating with the internal cavity. The strip-shaped locking piece passes through the inlet of the fixing seat into the internal cavity and exits through the outlet. The exiting strip-shaped locking piece is fixed to the positioning sub-component by the positioning mother-component. The fist-clenching assembly includes an arm fixing seat and a finger sleeve for attaching to the fingers. One side of the finger sleeve is connected to a reciprocating drive structure via a pull cord, and the other side is connected to the arm fixing seat via an elastic element. This utility model is easy to operate, allowing patients to operate independently, achieving preoperative vascular dilation and postoperative rehabilitation exercises, effectively reducing postoperative complications, and has low operating costs.

The utility model discloses a Y-shaped double cannula for negative pressure drainage, which belongs to the technical field of medical instruments and comprises an outer catheter, an inner catheter is fixedly sleeved inside the outer catheter, the inner catheter penetrates into the outer catheter from the side surface of the outer catheter and penetrates out of one end of the outer catheter, a plurality of discharge holes are arranged outside the outer catheter, and the discharge holes are communicated with the outer catheter. An anti-backflow assembly is arranged at one end of the inner guide pipe; the anti-backflow assembly comprises a connecting pipe, the connecting pipe is movably connected into the inner catheter in a sleeved mode, the end, away from the connecting pipe, of the connecting pipe is fixedly connected with an anti-backflow pipe, and a plurality of anti-backflow valves are fixedly connected into the anti-backflow pipe. The inner catheter is sleeved with the outer catheter, so that drainage can be more sufficient and effective, postoperative complications are reduced, drainage, dosing and flushing are integrated, and more functions are achieved; meanwhile, the anti-backflow valve can be closed when the liquid in the inner catheter flows back, so that the internal organs of the patient are prevented from being impacted, and the patient is prevented from being injured.

The present invention discloses a dry biofilm and a preparation method and application thereof, wherein the preparation of the dry biofilm comprises the following steps: placing the fresh biofilm in a biofilm protection solution and soaking it for 1 to 24 hours, drying it, and then sterilizing it by irradiation; wherein the biofilm protection solution is prepared from the following components: chondroitin sulfate, stabilizer, sodium hyaluronate, sulfur-containing compounds, and HC-HA / PTX3 complex. The dry biofilm prepared by the present invention can effectively preserve the active factors and collagen contained in the biofilm, and at the same time can avoid the biofilm material from being damaged and denatured during drying and irradiation inactivation of viruses or sterilization, maintain good flexibility and mechanical properties, and increase thickness, which is more conducive to clinical operation; the dry biofilm of the present invention is easy to store and transport, convenient for clinical surgical operations, and can be widely used in biopharmaceuticals and medical fields.

A device for continuous suturing of dura mater under endoscopy comprises a suturing seat and a suturing head, wherein a controller and a driving motor are installed in the suturing seat, and a first driving gear and a second driving gear are installed on the power output shaft of the driving motor; a rotating drum is provided at the front end of the suturing seat, and the rotating drum is connected to the first driving gear through the first driven gear on the hollow rotating shaft, and a mounting shaft is provided inside the rotating drum, and the mounting shaft is connected to the second driving gear through the second driven gear, and a hooking line hooking groove is provided on the rotating drum; the suturing head is inserted into the insertion port of the suturing seat, and a double output shaft motor is installed in the suturing head, and the power output shaft of the double output shaft motor is connected to the third driven gear through the third driving gear, and the end face of the third driving gear is connected to the upper end of the suturing needle through a connecting rod. The present invention overcomes the shortcomings of the prior art and can achieve the operational effect of safely and efficiently suturing the dura mater under endoscopy. It reduces the risk of postoperative complications and death and disability of patients.

The invention discloses a device for reversely overturning a loop steel plate, relates to the technical field of orthopedic treatment instruments, and provides the following scheme that the device comprises a handle, the front end head of the handle is fixedly connected with a puncture rod, and a U-shaped connecting block is inserted into the front end opening of the puncture rod; a hollow cavity is formed in the puncture rod, a strip-shaped opening communicated with the hollow cavity is formed in the upper surface of the puncture rod, and a lantern ring is arranged in the hollow cavity in a sliding mode. According to the technical scheme, a single-incision reverse loop turning mode is adopted for elastic fixing of the button steel plate with the loop, the advantages of elastic fixing, micro-motion maintaining and postoperative complication reducing are achieved, and meanwhile the method has the advantages that materials are convenient to take and do not depend on professional instruments. The distal tibiofibular syndesmosis is fixed from a single outer side incision by controlling the loop plate through the guide wire and the reinforcing line, so that the intraoperative trauma of a patient is reduced, and the distal tibiofibular syndesmosis fixing device can become an alternative choice for treating distal tibiofibular syndesmosis separation.

The invention belongs to the technical field of medical apparatus and instruments, and discloses a robot joint positioning and implanting method which comprises the following steps: S1, acquiring an implanting pose: acquiring a preset implanting position and a preset implanting angle according to a calibrated implanting pose; s2, registering an acetabulum: constructing an acetabulum model, and simulating and displaying a preset implantation position and a joint at a preset implantation angle in the acetabulum model; s3, positioning and reaming: placing a grinding and filing rod according to a preset implantation angle, and grinding and expanding a preset implantation position; s4, positioning and implanting the joint: placing a knocking rod according to a preset implanting angle, knocking and implanting the joint into a preset implanting position; the method for positioning and implanting the joint through the robot is high in automation degree and high in implantation precision, it can be guaranteed that the joint is implanted at the optimal position and angle, and postoperative complications are reduced.