182results about How to "Simplify the surgical process" patented technology

A method and apparatus for communicating with and monitoring the operation of a device implanted within a patient. A transceiver capable of being implanted within a patient provides a communication interface between an implanted medical device and a monitor external to the patient's body. The external monitor can communicate with a remote monitoring center over a communication network. The external monitor also provides control signals to the implanted device via the transceiver unit. The transceiver apparatus is capable of two-way communication between the implanted device and the external monitor. The transceiver apparatus is also capable of detecting actions performed by the implanted device and physiological signals directly from the patient's body. Thus, the transceiver apparatus provides circuitry for determining whether an implanted medical device is operating properly. The transceiver apparatus provides a way to remotely reprogram one or more implanted medical devices.

The invention provides a method for preparing a bone repair implant on the basis of the selective laser melting technology. The method includes the steps that original data is scanned on the basis of standard medical images of bones of a patient, and a digital three-dimensional model of a primary skeleton of the patient is extracted through image segmentation, editing and three-dimensional computation; according to individual conditions of the patient, osteotomy is directly conducted on the digital three-dimensional model of the primary skeleton to obtain a three-dimensional model of the bone repair implant; a porous structure capable of preventing stress shielding is designed in the three-dimensional model of the bone repair implant; an embedded structure capable of enhancing fixed connection with the primary skeleton is designed on the surface of the three-dimensional model of the bone repair implant; on the basis of the modified and designed three-dimensional model of the bone repair implant, the model is imported into quick forming auxiliary software for processing such as placement positioning, support adding, parameter setting and slicing and layering, a multi-layer slicing two-dimensional data model of the bone repair implant is obtained, metal 3D printing is conducted through the selective laser melting technology, and the bone repair implant is obtained.

The present invention relates to aortic arch three collateral support blood vessels comprising an aorta support vascular that comprises an aorta ascenden section, an aortic arch section and an aorta section; the aorta support vascular also comprises three collateral artery support vasculars which are fixed respectively on an aortic arch section arc surface of the aorta support vascular and are formed into an five-way type. The three collateral artery support vasculars are corresponding respectively to an arteria anonyma, a left common carotid artery and a left subclavian artery. The invention is capable of greatly simplifying an operation process and greatly shortens the time of a deep hypothermia and a circulation arrest, which is characterized by not only omitting an inosculation between an artificial vascular graft and three branches of the aortic arch but also reducing bleeding rate and operation risk. In an operation, the invention changes an operation method from a partial blood vessel replacement plus partial endovascular repair to a complete endovascular repair.

The invention discloses a device for conveying a bracket in an operation, which comprises a coating film, a suture and a pulling line, wherein the suture is sewed on the coating film through the pulling line, the suture and the pulling line are used to sew two sides of the coating film, so that the bracket in the operation is closed and coated in the coating film, connection which can be disconnected when the pulling line is pulled out is formed between the suture and the coating film. An aorta is cut open on the end part of a vascular lesion position; the bracket in the operation, which is mounted on the conveying device, is conveniently and fast implanted into the corresponding lesion position including lesion positions of branch vessels; and thereby the corresponding suture can be released only by pulling out the pulling line; and then the bracket with branches in the operation is released and located in a blood vessel with branches, such as the aortic arch; and a cut is sutured after the conveying device is withdrawn. By using the invention, number of anastomotie stomas in the operation is reduced, the operation process is simplified, the operation time is shortened, the complications of the operation are reduced, the survival rate of the patient is improved, the treatment effect is increased, and wounds to patients with aortic arch parts and other diseases are more effectively reduced.

The invention discloses a surgical navigation system, which comprises a space positioning and marking element on a surgical instrument, a tracer on a skeleton structure, a binocular camera and a computer, wherein the tracer is provided with a navigation tracing surface; the space positioning and marking element comprises navigation surfaces; and the binocular camera is connected with the computerand transmits collected information of the tracer and the space positioning and marking element to the computer. Computer programs are separately stored into the computer and a computer-readable storage medium. A surgical navigation method is performed and comprises the steps of generating a three-dimensional model of a skeleton and a three-dimensional model of the surgical instrument and obtaining tracer registration information and calibration information of the space positioning and marking element; receiving real-time information, collected by the binocular camera, of the tracer and the space positioning and marking element; and calculating space position information of the skeleton and the surgical instrument, and carrying out real-time fusion on the space position information and thethree-dimensional models to obtain a dynamic image of a real-time position relationship between the skeleton and the surgical instrument. According to the surgical navigation system, surgical navigation is achieved and intraoperative registration is not needed, so that the surgical process is simplified and the surgical accuracy is improved.

The invention discloses a 5G remote orthopedic operation robot combining a virtual technology with 3D printing. The 5G remote orthopedic operation robot comprises an operation end part and a control end part which are connected in a wired or wireless mode for near-field or remote communication; the operation end part is provided with an operation robot body, and the control end part comprises a preoperative modeling part and an intraoperative control part; the intraoperative control part comprises a mixed reality device and a simulation operation device; and the simulation operation device andan operation device of the operation end part are connected in real time, and the operation device and the simulation operation device perform an operation in a linkage mode. A robot system is divided into the operation end part and the control end part, the control end part is that a doctor performs a simulated operation on a 3D model, the operation end part is that the operation is completed bythe robot, the two parts are matched through a preoperative scanned image to guarantee that the simulated operation and the formal operation completed by the robot are performed synchronously, and the whole operation process is completed independently by the robot.

The invention discloses a deep brain stimulation system which comprises an external detection control and ultrasonic sending device and an intracerebral ultrasonic receiving and stimulation treatment device. The external detection control and ultrasonic sending device is positioned outside the body of a patient and mainly comprises a microprocessor, a storage unit, a detection unit, an electrode array, an ultrasonic signal amplifier, a transducer, a display unit, a keyboard unit, a power source unit and a clock unit, and an intracerebral ultrasonic receiving and stimulation treatment device is implanted deeply in brain tissue of the patient and mainly comprises a transducer, a voltage gain and rectifier circuit, a voltage stabilizer, a control circuit unit and a stimulation electrode. The deep brain stimulation system is used for treatment of nervous system diseases like Parkinson's disease, torsion spasm, spasmodic torticollis, chorea and epilepsy.

The invention relates to a blood vessel thrombus-taking device with spine-shaped structures and a thrombus therapeutic instrument thereof. The blood vessel thrombus-taking device comprises a thrombus-taking instrument, a development ring located at the near-end of the thrombus-taking instrument and a development coil located at the far-end of the thrombus-taking instrument. The thrombus-taking instrument comprises a mesh tubular or cage-shaped structure composed of a plurality of mutually connected unit grids, and each unit grid is formed by embracement of mutually connected ribs. The ribs of the unit grids are provided with the spine-shaped structures respectively, and each spine-shaped structure extends into an outer cavity. The thrombus therapeutic instrument comprises the blood vessel thrombus-taking device with the spine-shaped structures, a protective sheath tube, a conveying wire, a micro catheter, a guide catheter and a rotary hemostasis valve. The micro catheter is pushed to the thrombus position in the guide catheter along the guide catheter, the protective sheath tube is communicated with the micro catheter through the rotary hemostasis valve, and the thrombus-taking instrument is placed in the protective sheath tube and pushed into the micro catheter through the conveying wire. The blood vessel thrombus-taking device is good in flexibility, and the thrombus-taking instrument can make the damage to the blood vessel wall smallest by bending a blood vessel or reaching a thin blood vessel at the far-end.

The present invention provides a new type balloon dilation catheter which includes ballon and medication material coated on stent. Said medication material comes from one or two and more than two mixtures of heparin sodium, fiber degrading enzyme, serine proteinase, batroxobin, aspirin, genistein, hirudin and its recombined product, colchicine, sirolimus, biolimus, zotarolimus, tracrolimus, pimecrolimus, simvastatin, atorvastatin, pravastatin, ciclosporin, Anti-CD34, dexamethasone, bleomycin, plicamycin, daunomycin, mitomycin C, actinomycin D, taxol, celastrol, methopterin, 5-fluorouracil, cytarabine and 6-purinethol. The balloon is made of macromolecule nylon material, and the stimulation to blood vessel is far lower than the stent with metal structure.

The invention provides a left atrial appendage occlusion device which comprises a left plate surface and an outer plate surface. The inner plate surface and the outer plate surface are braided by shape memory silk threads. The centers of the inner plate surface and the outer plate surface are connected through a connecting part. The connecting part is a prefabricated rod. The inner plate surface and the outer plate surface are respectively fixed at two ends of the connecting part. A flow choking membrane is disposed in each of the inner plate surface and the outer plate surface. A connector is disposed on the outer plate surface. Preferably, the inner cavity of the connecting part is communicated with the through hole of the connector to form a conveying passage. The left atrial appendage occlusion device has the advantages the device is implanted from the outer side of left atrial appendage in an minimally invasive manner, a doctor can see the left atrial appendage directly, surgery process is simplified, surgery safety is increased, and the pains of a patient is greatly relieved; due to the fact that the device is provided with the conveying passage, medicines or development agents can be injected into a human body conveniently during a surgery.

The present invention provides a bending device for use with an instrument for surgical operation which allows a distal end of the instrument to bend freely, an instrument for surgical operation having multiple functions, and a structure to actuate the instrument.

The invention relates to an individualized biomimetic dental implant and a manufacture method thereof. The invention is characterized in that the dental implant comprises an implant body for imitating the original tooth root tissue structure of a patient's missing tooth and also comprises a biomimetic artificial alveolar bone structure outer-layer for imitating a patient's alveolar bone tissue structure. The biomimetic artificial alveolar bone structure outer-layer and the external surface of the implant body are combined as a whole. The biomimetic tooth root implant body's outer layer is a 3D printed biomimetic artificial alveolar bone structure outer-layer which is combined with the implant body to form a whole structure, and is similar to the tissue structures of missing tooth's original tooth root and alveolar bone. Thus, the invention provides an ideal implementation scheme of a biomimetic artificial tooth root structure. What is the most important is that the invention provides a structure which is beneficial to bone marrow stem cell and osteogenesis-related cell adhesion, proliferation and mineralization and gives play to final osteogenic function and has good bioactivity. Therefore, a microenvironment for promoting osteogenesis is created, osteocyte generation is induced, and early rapid and firm synosteosis is realized.

The invention relates to a stem cell repairing material as well as a preparation method and application thereof. The stem cell repairing material comprises a stem cell and a cell carrier, wherein the stem cell is an autologous adipose-derived mesenchymal stem cell (ADSC) with a concentration of 105-108 / ml, and the cell carrier is autoserum, normal saline (0.9%) or a glucose injection (5%). In the invention, adopted seed cells are prepared through separating and purifying autologous adipose tissues of patients, thereby avoiding the ethical disputes and the immunological rejection. The material drawing of the adipose tissues can be performed by using an instrument suction method, which is simple in operation and can bring less traumas and pains to the patients. The cell carrier used in the invention is the autoserum, normal saline (0.9%) or glucose injection (5%), therefore, the cell carrier mixed with mesenchymal stem cells and other ingredients can be injected into the patents by virtue of syringes. By using the stem cell repairing material provided by the invention, the operation process is simple, no scar is left, and the wounds and pains for the patients are avoided, therefore, the stem cell repairing material can be easily accepted by the patients.

The invention discloses a cutting instrument for cutting a thighbone far side surface before a thighbone component for full knee joint replacement is implanted. The cutting instrument comprises: a, a long and thin rod suitable for being inserted into a marrow inner cavity of a thighbone, b, a thighbone far end cutting block capable of guiding the cutting of the far side surface of the thighbone, and c, a thighbone far end clamp component capable of positioning the thighbone far end cutting block on a left leg or a right leg, wherein the thighbone far end clamp component comprises a thighbone far end clamp; the thighbone far end clamp comprises at least one channel used for glidingly receiving the rod at a preset valgus angle, and a far end surface suitable for being propped against the thighbone far side surface of the left leg or the right leg according to two turning directions; in the first turning direction, the rod is inserted in one of the at least one channel with a preset valgus angle used for one of the left leg and the right leg; in the second turning direction, the thighbone far end clamp turns about 180 degrees around the longitudinal axis of the clamp, and then the rod can be inserted into one of the at least one channel with a valgus angle used for the other of the left leg and the right leg.

The invention relates to a navigation operation system, a registration method thereof and electronic equipment. The navigation operation system comprises a robot system and a navigation system which are in communication connection, the robot system comprises a mechanical arm, and the navigation system comprises navigation tracking equipment. The robot system is provided with a mechanical arm basecoordinate system established on the mechanical arm, and the mechanical arm base coordinate system is configured to be fixed relative to the position of a supporting device. The navigation system is provided with a reference coordinate system which can be recognized by the navigation tracking equipment, and the reference coordinate system is configured to be fixed relative to the position of the supporting device; the navigation operation system is configured to obtain the position relation between the mechanical arm and the navigation tracking equipment according to the position relation between the mechanical arm base coordinate system and the supporting device, and the position relation between the reference coordinate system and the supporting device, so that mechanical arm registration is not needed, the position between the mechanical arm and the navigation tracking equipment can be directly registered, the operation process is simplified, the operation time is shortened, and thereliability and real-time performance of mechanical arm tail end position collection can be guaranteed.

The invention provides a positioning tool, a mechanical arm system, a surgical system and a registration method. The positioning tool comprises a tool body, a registration tip and a target. One end ofthe tool body is used for being fixed to the tail end of a mechanical arm, and the other end of the tool body is connected with the registration tip. The registration tip is used for abutting againsta preset position. The target is used for being marked on the tool body, the registration tip or the mechanical arm and used for being communicated with navigation equipment. Namely, the tool adoptedby the invention is an integrated registration tool, registration of the mechanical arm and a surgical object can be achieved without the need for replacement of a registration tool in the process, the surgical process is simplified, and the surgical time is shortened. In addition, the target does not need to be repeatedly assembled and disassembled, the navigation equipment can effectively monitor the spatial position of the positioning tool in real time in the whole surgical process, and therefore, the surgical visualization degree and safety are improved.

The invention provides a set of instruments for anterior thoracic and lumbar vertebra surgery, comprising a long-handle drag hook I, a long-handle periosteum detacher II, a long-handle osteotome III, a long-handle curet IV and a long-handle endplate curet V; the long-handle drag hook I comprises a drag hook point 1, a head section 2, a body section 3, a back end circular hole 4; the long-handle periosteum detacher II comprises an obtuse head section 5, a body section 6 and a handle 7; the long-handle osteotome comprises a flat osteotome head 8, a body section 9 and a back end 10; the long-handle curet IV comprises an obtuse curet head 11 with hook, a body 12 and a conical handle 13; the long-handle endplate curet V comprises a hollow curet head 14 with elliptic structure, a body section 15 and a handle 16. The invention has advantages of reasonable design, easy manufacture process, and low cost. By using the instruments of the invention, smaller surgical incision, improved surgery range of vision, optimized operative procedure, reduced surgery difficulty, reduced hemorrhage in surgery and shortened surgery time can be obtained.

The invention relates to the field of medical instruments, and discloses a left atrial appendage plugging device which comprises a support skeleton e and a choke membrane; the support skeleton is a hollow near-spherical body having elasticity; the choke membrane is cap-shaped and is arranged on the proximal periphery of the support skeleton; an anchor thorn is arranged on the distal circumference of the support thorn, and is used for grasping on the inner wall of a left atrial appendage. The invention further discloses a left atrial appendage plugging system which comprises a conveying device and the left atrial appendage plugging device mentioned in the technical scheme above; the conveying device comprises a conveying sheath and a push rod; the left atrial appendage plugging device is arranged in the conveying sheath; one end of the push rod is arranged in the conveying sheath, and is detachably connected with the fixed end of the left atrial appendage plugging device. According to the left atrial appendage plugging device and system, the damage to vascular access can be reduced so as to reduce the operation risk.

The invention discloses a blood vessel plugging device for coronary perforation and an application. The blood vessel plugging device comprises an injection pressurizing component, a coronary perforation plugging pushing component and a coronary perforation plugging component, wherein the coronary perforation plugging pushing component is composed of a flexible alloy guide wire, a balloon, a jacked pipe, a guide wire, a guide sleeve, a socket, a keeping sleeve and an injected liquid connecting sleeve; the coronary perforation plugging component is composed of a plugging module and a plugging cap which are in different shapes; the plugging module is hinged to one end of the plugging cap; the plugging cap is composed of a plugging cap overturning raised spherical surface and a plugging cap concave spherical surface; a guide wire hole is formed in the middle of the plugging module; the plugging cap is arranged on the outer side of the guide wire hole; the plugging cap can only be opened toward the outer side; the plugging cap in the plugging module can be automatically plugged under the effect of blood direction and pressure; the perforation of blood vessels in different shapes and sizes can be met; the perforation hole of a blood vessel can be completely plugged; the risk in blood exosmosis is reduced; the postoperative complications can be reduced; the application value is higher.

The invention discloses a biodegradable blood vessel anastomosis device, a special surgical instrument and a using method thereof which are used for the anastomosis between human blood vessels, between artificial blood vessels or between the human blood vessels and artificial blood vessels. The blood vessel anastomosis device is composed of a pair of coaxial first anastomosis ring / wheel and second anastomosis ring / wheel matched with each other; the anastomosis ring / wheel comprises a blood vessel support bracket, a clamping bracket, and anastomosis needles distributed circumferentially around a free end of the blood vessel support bracket. The anastomosis surface of the blood vessel anastomosis device is of a coaxial geometric structure, thus the blood vessel anastomosis device is high in anastomosis effect and wide in anastomosis area, improves the success rate of operations and reduces the collapse phenomenon of anastomosis positions. The blood vessel anastomosis is prepared by using biodegradable materials, through a reasonable structural design, the blood vessel anastomosis ring / wheel can be degraded by the human body after operations, and during the degradation process, a relatively complete structure is maintained, an appropriate effective support time is maintained after operations according to the conditions of different blood vessels to maintain the function of the blood vessel anastomosis ring / wheel, and the foreign body residual risk caused by the traditional mechanical anastomosis method is avoided. According to the special instrument, the clamping and anastomosis functions are integrated, the operation process is simplified, and the operation efficiency is improved.

The invention discloses a height-adjustable high-stability interbody fusion cage capable of supplementing and pressuring bone grafting. The height-adjustable high-stability interbody fusion cage comprises a middle frame, a through hole is formed in the rear end of the middle frame, grooves are arranged on the rear end of the middle frame corresponding to the left side and the right side of the through hole, a screw rod is arranged in the through hole in a penetrating mode, the screw rod is axially limited on the through hole through a positioning piece, a sliding block is connected to the endof the screw rod penetrating into the inner side of the middle frame, supporting plates are installed at the upper end and the lower end of the sliding block respectively, and the supporting plates climb or descend through nesting fit between ribs and the guide grooves and the inclined grooves, and threaded holes are arranged in the left side and the right side of the front end of the middle framerespectively, limit pins are arranged on the threaded holes, and a guide wire hole is arranged through the front end of the middle frame corresponding to the position in the axial direction of the screw. According to the height-adjustable structural design of the interbody fusion cage of the invention, through linkage control of the guide pin, the screw rod and the power sliding block, perfect matching of the height of the fusion cage and the height of a physiological intervertebral space is achieved; and the purpose of parallel lifting height of the intervertebral space after implantation isachieved.

The invention provides a bending adjusting handle and a bending adjustable catheter with the bending adjusting handle. The bending adjustable catheter comprises a catheter body, the bending adjustinghandle and at least two traction parts, wherein at least two bending adjustable sections arranged at an interval are arranged at the remote end of the catheter body; the bending adjusting handle comprises a driving mechanism and a control mechanism connected with the driving mechanism; the remote end of each traction part is connected with one of the bending adjustable sections; and the near end of each traction part is connected with a secondary sliding part of the driving mechanism of the bending adjusting handle. By manipulating the bending adjusting handle, the bending adjustable sectionscan be simultaneously driven to be bent to form different composite bending shapes, or one bending adjustable section is separately driven to be bent to finely adjust the bending shape of the corresponding bending adjustable section, so that operations such as a left coronary artery intervention operation and a right coronary artery intervention operation with different requirements on morphologies of the remote end of the bending adjustable catheter can be performed by using one same bending adjustable catheter, and individual differences of physiological anatomical structures of lumens of different paints can be met.

The invention discloses a disposable circumcision anastomat which comprises an external ring and an internal ring, wherein the external ring or internal ring is at least provided with double-knife-edge structures, a plurality of cutting blades for cutting necrotic foreskin into pieces are arranged between every two adjacent double-knife-edge structures, the cutting blade is not lower than the adjacent knife edges, and the double-knife-edge structures naturally form drug cavities and barriers for blocking the entry of outside bacteria, thereby simplifying the instrument, increasing the functions and enhancing the surgical standardized operability. By adopting the structure, the disposable circumcision anastomat is safer, more sanitary, and more convenient and efficient to use.

The invention provides a vertebral compression fracture implantation filling-repairing device, comprising a fabric sac that is of sub-gourd shape after being opened; the whole fabric sac is of mesh structure woven with polymer silk threads. Before implantation, there is no need for expanding a balloon, it is possible for direct implantation, bone cement may be injected into the device to repair physiological height of fracture collapsed vertebra to 90% and above, there is no need for a surgical process of bilateral puncture and bilateral balloon expansion, the surgical process is simplified, surgical time is shortened, and the pain and economic burden are decreased for a patient; the fabric sac of sub-gourd shape constrains bone cement in a vertebral cavity to form a double-ball shape, load-bearing area is enlarged, stress concentration is avoided, the problem that bone cement injection causes further vertebral damage is solved, and bone cement leakage is effectively controlled; in addition, the device is all made of polymer material having good biocompatibility, human body implantation safety and postoperative living quality of a patient are guaranteed.

The invention relates to a medical apparatus, in particular to a thrombus extraction device for mechanical elimination of thrombus blocked in intracranial vessels of patients when acute ischemic stroke attacks the patients so as to recover blood flow. The catching device is characterized in that a catching system is of a bagged structure with the remote end sealed. The bagged structure is composed of a framework structure and a membrane structure. The framework structure is made of metal or high polymer materials, the membrane structure is made of high polymer materials, and a cellular structure is formed on the membrane structure. The bagged structure is retracted into a conveying system under external acting force, and the conveying system conveys the catching system to the target blood vessel position.

A general thermotherapeutic device for treating tumor by heating in blood vessels is composed of the heat generating seed in the form of strip and transplanted in blood vessel for heating blood, a fixer for said heat generating seed, and an external electromagnetic device opposite to said heat seed for generating an alternative electromagnetic field.

The invention provides a one-stage type triggering mechanism of a cutting anastomat. The one-stage type triggering mechanism of the cutting anastomat comprises an elastic control subassembly, a pushing subassembly, a resetting subassembly and an attaching and releasing subassembly, wherein one end of the elastic control subassembly is fixed; the other end of the elastic control subassembly is connected to the pushing subassembly; the pushing subassembly is connected with an actuating subassembly which actuates cutting actions and the resetting subassembly and resets through the resetting subassembly; and the attaching and releasing subassembly is attached to the pushing subassembly or released from the pushing subassembly. After the pushing subassembly moves towards the elastic control subassembly to compress the elastic control subassembly, the pushing subassembly is attached to the attaching and releasing subassembly; and when the pushing subassembly is released from the attaching and releasing subassembly, the elastic control subassembly pops up the pushing subassembly. The cutting anastomat and the one-stage type triggering mechanism thereof are simple in structure and high in reliability; potential energy is stored through the elastic control subassembly and is released at one step to push the actuating subassembly to perform cutting actions; and cutting can be finished by triggering once, a surgery process is simplified, and surgical risks are reduced.

The invention discloses an auxiliary device used in PFNA (proximal femoral nail anti-rotation) internal fixation surgery and relates to the technical field of minimally invasive orthopaedic surgery instruments so as to solve the problems that an existing implantation instrument can not position the PFNA entry point easily, and a screw blade can not be accurately implanted into the neck of femur at a time.The auxiliary device used in PFNA internal fixation surgery comprises a positioning and guiding base plate and a guide pin positioning and guiding mechanism connected with the positioning and guiding base plate through a positioning rod assembly.The positioning and guiding base plate is arranged above the hip joint and corresponds to a PFNA to be implanted into the femur in position in the vertical direction, and the positioning and guiding base plate can be used for preliminarily determining the implantation position, depth and diameter of the PFNA.The guide pin positioning and guiding mechanism can be used for further accurately determining the implantation position and depth of the PFNA and a screw blade.The positioning rod assembly can be used for adjusting the implantation direction of the screw blade.The auxiliary device is mainly applied to closed reduction PFNA internal fixation treatment of femoral intertrochanteric fractures.

The invention relates to a sutureless amniotic membrane fixing device applied in ocular surface amniotic membrane covering surgery, in particular to an ocular surface amniotic membrane coverer. The fixing device is in the shape of a fish mouth and is provided with an opening on the outer side, the general profile of the fish mouth is streamline according to forms of an ocular surface and a conjunctival sac, the opening is positioned at an outer canthus, and the fixing device has good supporting performance, can guarantee an amniotic membrane after being clamped by the device to be closely adhered on the ocular surface, and is high in adhesiveness. When the sutureless amniotic membrane fixing device is in use, the amniotic membrane reverses from the bottom of the fixing device to wrap the device, and is fixed in a groove on the surface of the device by means of shackling, and the bottom of the fixing device is completely wrapped in the amniotic membrane, so that friction damage to the ocular surface is reduced, and foreign body sensation is small. After the amniotic membrane is fixed in the device, an operator holds and gently squeeze an upper arm and a lower arm of the fish mouth to enable upper and lower diameters of the fish mouth to be reduced, simultaneously uses another hand to prop open upper and lower eyelids of a patient, disposes the upper arm and the lower arm of the device into upper and lower fornices and releases the arms, so that the device is positioned on the ocular surface after being propped open, thereby being less prone to shedding. The opening of the fixing device is positioned on a temporal side, so that effusion below the amniotic membrane is avoided, and the fixing device is least prone to shedding. By the sutureless amniotic membrane fixing device, the process of the amniotic membrane covering surgery can be simplified, and damage to the ocular surface due to surgical suturing can be avoided; the sutureless amniotic membrane fixing device can be reused, and the surgical process is greatly simplified.