83 results about "Prosthesis Implantation" patented technology

An ankle joint replacement prosthesis comprises a tibia prosthesis assembly and a talus prosthesis, the tibia prosthesis assembly comprises a tibia prosthesis body and a cushion block, the tibia prosthesis body and the cushion block are in an arc shape with the middle bent upwards on the sagittal plane, the cushion block is arranged at the bottom of the tibia prosthesis body in a sleeving mode, and the surface of the upper portion of the tibia prosthesis body is a tibia joint face. The surface of the lower portion of the cushion block is a first articular surface, the surface of the upper portion of the talus prosthesis is a second articular surface, the second articular surface is in an arc shape with the middle bent upwards on a sagittal plane, the surface of the lower portion of the talus prosthesis is a talus joint surface, and the first articular surface is matched with the second articular surface. When the prosthesis is implanted, only the articular cartilage and the subchondral bone need to be treated at the far end of the tibia, so that the bone at the far end of the tibia is reserved to the maximum extent, the anatomical integrity of the bone is guaranteed, the stability of the prosthesis is enhanced, the service life is prolonged, and the clinical operation effect is improved.

To provide a sleeve for a prosthetic implant having an anatomical profile.SOLUTION: The invention relates to: a sleeve (10) for a prosthetic implant (100) implantable in bone such as a femur; and related modular prosthetic assembly (200) including at least a rod (110), an intermediate neck component (112) and a sleeve (10).SELECTED DRAWING: Figure 1

The invention relates to the technical field of joint prostheses, in particular to an interchangeable joint prosthesis which comprises a thighbone prosthesis, a tibia platform and a tibia liner. The femoral prosthesis comprises a half-shell prosthesis, a first stand column, a second stand column and a bone trabecula structure. The first stand column and the second stand column are fixedly arranged on the inner wall of the half-shell prosthesis. A dismounting table is arranged on the surface of the tibia platform, a clamping groove matched with the tibia liner is formed in the surface of the tibia platform, a press-fit edge matched with the clamping groove is fixedly arranged on the surface of the tibia liner, and the tibia liner is used for supporting a thighbone prosthesis to move; a fixing wing and a fixing stand column are arranged on the surface of the other side of the tibial plateau. By arranging the thighbone prosthesis, the tibia platform and the tibia liner, the size of the joint prosthesis can be freely changed in the actual operation process, operation prosthesis selection can be conveniently adjusted in the operation, finally, the joint prosthesis is used for biological fixation, and the long-term stability of the prosthesis after implantation is guaranteed.

The application discloses a channel type mitral valve prosthesis implantation system, which comprises a plurality of deformable biological ring guide wires, the end of each of the biological ring guide wires is provided with a bendable hook, the hooks are used for forming a guideable channel, and the channel is annular in shape; a biological ring which is in the shape of a strip when freely stretched, two free ends of the biological ring are configured to be locked when a main body part of the biological ring is pushed along the channel to form a biological ring locking buckle; and a mitral valve prosthesis support which is fixed in the biological ring. The system is simple to operate, saves operation time, and enables safe and efficient completion of the operation.

Heart valve prosthesis implantation apparatus (10), comprising: - a prosthesis catheter (11) with a heart valve prosthesis (12) to be implanted, - an ICE catheter (9) - for insertion into a surrounding area of ​​a heart valve (HC) to be treated, - for detecting a relative position (RPHC) and / or a relative orientation direction (ROHC) of the heart valve (HC) to the ICE catheter (9) by means of an ultrasound image (USHC) of the heart valve (HC) through the ICE catheter (9), and - preferably for performing ultrasound images (USPC) of the prosthesis catheter (11), wherein the ICE catheter (9) is configured to determine an absolute reference position (ARPHC) and / or an absolute reference orientation direction (AROHC) of the heart valve, 2D ultrasound images in multiple planes, and / or 3D ultrasound images of the heart valve (HK) to create- a navigation system (51) for determining an absolute position (APICE) and an absolute orientation direction (AOICE) of the ICE catheter (9), - a control device (52) for controlling the insertion of the heart valve prosthesis (12) into the annulus of the heart valve (HC) based on the ultrasound images (USHK, USPK, USHKP) of the ICE catheter (9) and position and orientation direction information (APICE, AOICE, APPK, AOPK, APHKP, AOHKP) from the navigation system (51), - a display (53) for simultaneously displaying information (APHKP, AOHKP) regarding the position and / or orientation of the heart valve prosthesis (12) and the 2D ultrasound images and / or 3D ultrasound images for monitoring the insertion of the heart valve prosthesis (12) into the annulus of the heart valve, wherein the control device (52) is set up toto verify the correct insertion of the heart valve prosthesis (12) based on a comparison of the current position (APHKP) and / or the current orientation direction (ORHKP) of the heart valve prosthesis (12) with the determined absolute reference position (ARPHK) and the reference orientation direction (AROHK) of the heart valve (HC).

The embodiment of the invention is suitable for the technical field of medical treatment, and provides a joint postoperative simulation image generation method, electronic equipment and a computer program product, and the method comprises the steps: obtaining preoperative data for a to-be-operated joint; determining a correction reference point of the preoperative original CT image; based on a preset skeleton coordinate system and the correction reference point, correcting the preoperative original CT image to obtain a corrected original CT image; based on a preset skeleton coordinate system and the correction reference point, correcting the preoperative skeleton CT image to obtain a corrected skeleton CT image; based on a preset skeleton coordinate system, the correction reference point and the virtual skeleton prosthesis, generating a correction prosthesis CT image; generating a joint postoperative simulation image according to the corrected original CT image, the corrected skeleton CT image and the corrected prosthesis CT image; the joint post-operation simulation image is an X-ray image, the X-ray effect of prosthesis implantation and image correction can be simulated, and a basis is provided for surgical planning and selection of a proper prosthesis and placement position.

The utility model belongs to the technical field of medical instruments, and particularly relates to a biological type tackle groove replacement prosthesis which comprises a prosthesis body, the upper surface of the prosthesis body is a groove-shaped tackle face with the low middle and the two high sides, and the body bottom face of the prosthesis body is a plane and is provided with an installation column used for being inserted into a skeleton to be replaced. A non-return boss protruding outwards in the radial direction of the installation column is arranged on a column body of the installation column, an osseointegration hole for bone tissue to grow in is further formed in the bottom face of the body, the osseointegration hole is a blind hole, and an orifice of the osseointegration hole obliquely points to the lower portion of the prosthesis body outwards. The prosthesis is simple in structure and reasonable in bottom design, and the stability and the reliability of connection between the prosthesis and the thighbone are greatly improved while the implant operation convenience of the prosthesis is improved.

Disclosed herein is a device assembly for endovascular prosthetic implantation in a human patient, the device assembly comprising a contracted delivery configuration and an expanded deployment configuration, and comprising: a stent frame comprising a plurality of expandable stent units arranged in more than one layer and stacked in a longitudinal direction; a valve attached to the stent frame; and an expandable sealing skirt coupled to the stent frame, the expandable sealing skirt including a protruding region and a non-protruding region, the protruding region configured to radially expand through the stent frame when the device assembly is in an expanded, deployed configuration.

The invention relates to an ankle joint tibia prosthesis, an ankle joint prosthesis and a navigation system.The ankle joint tibia side prosthesis comprises a prosthesis body and a sliding part, the sliding part is arranged on the rear side of the prosthesis body, the position of the sliding part relative to the prosthesis body in the front-back direction of the prosthesis body is adjustable, and the sliding part is arranged on the back side of the prosthesis body. And the prosthesis main body and the sliding piece are in contact with a tibia osteotomy surface. The ankle joint tibia prosthesis can adapt to tibia anatomical structure differences of different patients, the covering effect of the ankle joint tibia prosthesis and the tibia osteotomy surface is good, the stability of the ankle joint tibia prosthesis after implantation is improved, and adverse reactions of postoperative patients are reduced.

The invention provides an assembled radial head prosthesis, and belongs to the technical field of medical instruments. The invention provides an assembled radial head prosthesis which comprises a radial head, a radial handle and a plurality of sets of filling parts, a joint nest is formed in the upper end of the radial head, and a mounting groove is formed in the lower end of the radial head; a mounting head is arranged at the upper end of the radial handle and is arranged in the mounting groove; the multiple sets of filling parts are sequentially arranged in a stacked mode and all arranged on the outer side of the radial handle in a sleeving mode, the inner side walls of the filling parts are matched with the outer side wall of the radial handle in shape, and the filling part at the lowermost end is located above the osteotomy bone surface of the radius of the patient. According to the assembled radial head prosthesis, the number of the filling pieces is selected according to the actual situation, the filling pieces are arranged between the radial head and the osteotomy bone surface of a patient, the osteotomy bone surface is supported, the position of the radial head is limited, the stability of the prosthesis after implantation is improved, and the risks that the prosthesis is loosened and fractures occur around the prosthesis are reduced.

The utility model is applicable to the technical field of medical instruments, in particular to a breast prosthesis implantation artificial passage, which comprises an extrusion bag body, a silica gel prosthesis is arranged in the extrusion bag body, and an opening at the top of the extrusion bag body is communicated with a holding bag body; an anti-skid part is arranged on the outer surface of the holding bag body, so that the gripping force of a surgeon can be enhanced, the possibility that an instrument slides in a hand is reduced, and the safety of a surgery is improved; a plurality of limiting rings are arranged on the outer wall of the holding bag body in the circumferential direction, when a doctor holds the holding bag body, fingers can be inserted into the limiting rings, the slipping condition is further avoided, and the reliability is better.

The present invention relates to the technical field of orthopedic artificial joints, and in particular, to a metal total knee artificial joint and a method for preparing a metal total knee artificial joint. The metal total knee artificial joint comprises a femoral condyle prosthesis and a tibial plateau prosthesis. Both the femoral condyle prosthesis and the tibial plateau prosthesis are made of 3D printing of zirconium-niobium alloy. The two can be slidably matched, and the sliding contact surface of the femoral condyle prosthesis and the tibial plateau prosthesis is provided with a metal-ceramic interface; the integration interface of the femoral condyle prosthesis and the tibial plateau prosthesis with the external bone body is a 3D-printed trabecular integration interface. The metal total knee artificial joint eliminates the tibial plateau pad prosthesis, and through the metal-ceramic interface, it can reduce the amount of osteotomy of the tibial plateau and optimize the wear of the friction interface, thereby avoiding the risk of osteolysis caused by debris generated by wear, which in turn causes the prosthesis to loosen. It can also improve the bone integration efficiency of the interface between the prosthesis and the bone tissue, which is beneficial to the stability of the prosthesis in the later stage of implantation.

The present invention proposes a visual acetabular prosthesis implantation device. By setting a camera, the surgeon can understand the implantation of the acetabular cup in real time through the lens during the operation, and obtain a clear and intuitive understanding of the implantation position of the acetabular cup, thereby reducing the difficulty of the operation and accurately grasping the implantation position of the acetabular cup, thereby reducing the probability of the acetabular cup implantation deviation. By setting an optical fiber, the optical fiber provides supplementary light for the camera in real time to ensure a clear field of view. By setting a physiological saline flushing pipe and a negative pressure suction pipe, the blood and tissue debris around the camera can be cleaned in time, and the negative pressure suction pipe can timely suck out the discharged physiological saline and some debris from between the acetabular cup and the camera; since the two are located on opposite sides of the camera, a "water curtain" can be formed in front of the camera, which is convenient for real-time cleaning of impurities that interfere with the camera, thereby ensuring the clarity of the video image.

The subtalar joint prosthesis comprises a talus assembly, a gasket and a calcaneus assembly, and the talus assembly and the calcaneus assembly are connected through the gasket to form a joint structure; by means of the split structure of the talus assembly, the gasket and the calcaneus assembly, all the assemblies are detachably clamped, step-by-step implantation and assembly in the operation process are facilitated, and therefore the adaptability of the prosthesis under different anatomical conditions is improved. The gasket is arranged between the talus assembly and the calcaneus assembly, a relative motion interface is formed between the talus assembly and the calcaneus assembly, the gasket is made of the low-friction material, direct friction between metal assemblies can be effectively reduced, abrasion is reduced, and the joint movement performance is improved. By means of the structural design, dependence of prosthesis implantation on accurate matching of bone surfaces is reduced, surgical operation is simplified, and meanwhile a feasible solution is provided for rebuilding after joint fusion operation.

The invention provides an acetabular cup prosthesis implantation position optimization method based on a bone mineral density evaluation result. The acetabular cup prosthesis implantation position optimization method comprises the steps that an acetabular cup prosthesis model is placed at a to-be-implanted position in a CT image; extracting grid data of the model outer spherical shell; according to the grid data, determining a pixel gray value of a part attached to the outer spherical shell of the model in the CT image, and binding the pixel gray value with the grid data of the outer spherical shell; according to a set pixel gray threshold value and a pixel gray value corresponding to the grid data of the outer spherical shell, the bone density distribution condition of the prosthesis implantation position is quantitatively evaluated, and if the evaluation result does not meet the implantation requirement, the posture of the acetabular cup prosthesis model is automatically and finely adjusted based on a gradient descent method. According to the method, the bone density distribution condition of the prosthesis implantation position is quantitatively evaluated, a doctor does not need to read a multi-layer CT image, and the preoperative planning efficiency is improved; and the implant pose of the prosthesis can be quickly optimized according to a bone mineral density evaluation result, so that the efficiency and accuracy of implant pose planning of the prosthesis are improved.

Method for comparing implants or prostheses. Method for comparing implants or prostheses, and / or surgical contexts, from a population of individuals each carrying an implant or prosthesis, the method comprising: A) for each individual: - information on the type of implants or prostheses, and / or at least one parameter of the surgical context of placement of the implant or prosthesis; - acquisition of clinical parameters; and - determination of a score (GS) quantifying a benefit provided to the individual by the intervention; B) classification of individuals so as to obtain at least two risk profile categories indicative of a ratio between a benefit provided and the risk incurred; C) for each category, calculation of a reference GS, the reference GS being a quantile of the GSs of the individuals in the category; after step C), comparison, within each category, of the types of implants or prostheses and / or surgical contexts according to the GS.Figure for the abridged version: Fig. 1.

1. The name of this design product: Prosthesis implant push rod. 2. Purpose of the product of this design: A tool for implanting a prosthesis, used to push the prosthesis to a designated position. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. Designate Design 1 as the base design.

The invention provides a method for simulating the imaging effect of an X-ray film by using a CT (Computed Tomography) image in prosthesis planning. The method comprises the following steps of: setting a voxel value range of a prosthesis implantation area in the CT image; placing the prosthesis model at a to-be-implanted position in the CT image; endowing a corresponding voxel value to the prosthesis model based on the set voxel value range; and configuring corresponding opacity for the CT image and the prosthesis model based on the voxel values, and performing three-dimensional rendering on the CT image and the prosthesis model by using a three-dimensional volume rendering mapper to obtain a CT image simulating an X-ray film imaging effect. According to the method, the three-dimensional CT data and the prosthesis planning information are directly converted into the three-dimensional image simulating the two-dimensional X-ray film effect through the efficient volume rendering technology, and a doctor is allowed to verify the prosthesis placement effect through a familiar two-dimensional X-ray view while the CT three-dimensional planning precision is kept; and a doctor does not need to repeatedly compare the CT and the X-ray film, so that the operation burden and the personal error risk are reduced.

The invention relates to a surgical navigation system and a thighbone force line verification method thereof, and the method comprises the steps: collecting point cloud data through employing a probe to carry out the conical motion around a thighbone force line axis in an operation, and carrying out the fitting of a plane, and calculating the normal direction; according to the method, the real-time deviation angle between the preoperative planned femoral force line and the intraoperative actual femoral force line can be directly and quantitatively calculated, so that a doctor can timely find and correct the force line deviation exceeding a safety threshold value before key steps such as prosthesis implantation, and the accuracy and reliability of surgical navigation and the success rate of the whole operation are greatly improved.

The invention relates to the technical field of medical cosmetology and computer-assisted surgery, and discloses a three-dimensional anatomical positioning-based prosthesis breast augmentation implantation system, which comprises a three-dimensional data acquisition module, a modeling module, a prosthesis positioning planning module, a surgical navigation and positioning device, a prosthesis implantation auxiliary tool, a postoperative evaluation and feedback module and a database module, the three-dimensional data acquisition module comprises a high-precision three-dimensional scanner and is used for acquiring three-dimensional form data of the chest of a patient and ensuring the accuracy and integrity of the data; by integrating a three-dimensional data acquisition module, a modeling module, a prosthesis positioning planning module, a surgical navigation and positioning device, a prosthesis implantation auxiliary tool, a postoperative evaluation and feedback module and a database module, whole-course digital management from preoperative preparation to postoperative evaluation is realized, and surgical accuracy and safety are greatly improved.

The present invention discloses an artificial cornea utilizing Catalase@nHOFs nanoparticles, belonging to the field of in vivo prosthetic implant technology. This method eliminates the need for frequent dosing and provides long-lasting protection against ROS. Furthermore, it eliminates the need to adjust or alter the existing artificial cornea structure. The portion of the artificial cornea that contacts the eye is coated with a Catalase@nHOFs nanocoating. The coating is prepared by encapsulating catalase within a hydrogen-bonded organic framework to form Catalase@nHOFs nanoparticles, which adhere to the surface of the artificial cornea to form the Catalase@nHOFs nanocoating.

The invention provides an instrument for repairing femoral head defects, and belongs to the technical field of medical instruments. A guide pin, a guider, a chamfering cutter and a reamer; a guider cutting edge is arranged at the lower end of the guider, a center hole matched with the guide pin is formed in the guider, and the upper end of the guider is fixedly connected with a quick connector C; the guide needle is used as a common positioning reference to penetrate through the whole operation process, it is ensured that each step of operation from cartilage pre-cutting and defect area cutting forming to final reaming is accurately carried out along the preset axis, positioning deviation possibly occurring in a traditional method is effectively avoided, and due to the design of an observation hole in the guider and scale marks of a reamer rod body, the accuracy of the reamer is improved. Real-time and visual operation feedback and depth control are provided for doctors, visual and quantitative management of the operation process is achieved, and the accuracy of the prosthesis implantation position and the matching degree of bone bed forming are improved.

The invention discloses a navigation method and device for hip replacement surgery and electronic equipment, and relates to the field of medical engineering. The method comprises the following steps: acquiring a three-dimensional skeleton model of a patient before a hip joint replacement operation and a first target position of a to-be-implanted prosthesis of the patient in the three-dimensional skeleton model; establishing a mark coordinate system according to the plurality of reference mark points; acquiring a patient position of the patient and a tool position of the handheld tool in the surgical space; a mapping relation between a mark coordinate system and an image coordinate system is established through image registration, the image registration comprises coarse registration and fine registration, and the image coordinate system is a coordinate system where the three-dimensional skeleton model is located; determining a second target position of the to-be-implanted prosthesis in the operation space according to the mapping relation; and combining the patient position, the tool position and the second target position to guide the doctor to perform hip replacement surgery. By implementing the technical scheme provided by the invention, the accuracy of image registration is improved through coarse registration and fine registration, and then the accuracy of prosthesis implantation is improved.

A docking station for a prosthetic heart valve includes a radially expandable and collapsible frame with a first plurality of struts, an inflow end portion, an outflow end portion, and a longitudinal axis. A sealing member is disposed on the outflow end portion and configured to form a seal between the docking station and a body lumen. The docking station further includes a valve seat coupled to the frame and configured to receive an expandable prosthetic valve. The valve seat includes a second plurality of struts coupled to the frame and extending in a downstream direction and angled inwardly toward the longitudinal axis of the frame.

The invention discloses a prosthesis, a prosthesis installer and a prosthesis implantation system.The prosthesis installer comprises an installation assembly and a driving assembly, the installation assembly comprises a supporting piece and a connecting structure, and the connecting structure is arranged at one end, in the first direction, of the supporting piece and comprises a connecting part used for being inserted into an installation hole of the prosthesis; the driving assembly is arranged on the supporting piece and used for driving the connecting part to move between the opening position and the folding position, the connecting part is inserted into the mounting hole and can abut against the inner circumferential face of the mounting hole when located at the opening position, and therefore the connecting structure and the prosthesis are relatively fixed and can drive the prosthesis to move; the connecting part is inserted into the mounting hole and can be separated from the inner circumferential surface of the mounting hole and separated from the mounting hole when in the folding position, so that the connecting structure is separated from the prosthesis. According to the prosthesis, the prosthesis installer and the prosthesis implantation system provided by the embodiment of the invention, the problem that the prosthesis is easily driven to generate displacement in a skeleton in the process of separating the prosthesis installer from the prosthesis can be solved.

This invention provides an auxiliary device for lacrimal duct prosthesis placement in cases of lacrimal punctum stenosis. The device includes a guide tube and a tapered guide head located at the lower end of the guide tube. The guide tube comprises a left half and a right half disposed opposite each other, with an elastic clamping portion connected above the left and right half tubes. The left and right half tubes are openable and closeable via the elastic clamping portion. An arc-shaped left groove and a right groove are formed along the length direction on opposite sides of the left and right half tubes, respectively. The left and right grooves can be joined to form a receiving cavity. The tapered guide head includes a left guide head and a right guide head connected to the lower ends of the left and right half tubes, respectively. The left and right guide heads can be closed and connected. Compared to existing lacrimal duct prosthesis implantation aids, this invention's lacrimal duct prosthesis placement auxiliary device is simple to operate and allows for gentle, stepwise expansion, effectively reducing damage to ocular tissues.

A heart valve prosthesis and methods of its implantation are described herein. The prosthesis can be implanted in a heart of a patient by positioning an upper support of an anchoring element into a left atrium of the patient. The upper support can expand adjacent to a native valve structure of the patient. Further, the upper support can be moved against the native valve structure in a direction toward a left ventricle of the patient. A lower support of the anchoring element can be positioned into the left ventricle, spaced apart from the upper support, the lower support being separate from the upper support and coupled to the upper support by a flexible connector. Finally, the lower support can expand within the left ventricle, and engagement members of the lower support can engage with tissue of the native valve structure.

The application discloses a split type anatomical radial head joint prosthesis, which comprises a radial head and a radial medullary needle, the radial medullary needle comprises a connecting head and a nail body, the connecting head is connected with the nail body, the axis of the connecting head intersects with the axis of the nail body, and the axes of the connecting head and the nail body are located in the same plane, the included angle between the axis of the connecting head and the axis of the nail body is consistent with the anatomical form of the human radial head, the connecting head is rotationally connected with the radial head, and the rotationally connected surface of the connecting head and the radial head is a spherical surface. The connecting head and the nail body have a certain included angle between the axes, so that the prosthesis is consistent with the anatomical form of the human radial head; meanwhile, the connecting head and the radial head are rotationally connected in the application, and the rotationally connected surface of the connecting head and the radial head is a spherical surface, so that the prosthesis can better adjust the connecting angle of the radial head and the radial medullary needle when implanted in an individual, and the individual difference of the case is maximally adapted, thereby improving the success rate of prosthesis implantation.

The invention discloses a prosthesis, a prosthesis installer and a prosthesis implantation system.The prosthesis installer comprises a connecting assembly and a driving assembly, the connecting assembly comprises two connecting parts which are oppositely arranged, each connecting part comprises an inner side face and an outer side face which are opposite, and the inner side faces of the two connecting parts are opposite to each other; the driving assembly is connected with the two connecting parts and used for driving the two connecting parts to move relatively between the unfolding position and the folding position. A bulge is convexly arranged on the inner side surface or the outer side surface of at least one connecting part; when the two connecting parts are inserted into the two mounting holes of the prosthesis respectively and located in the opening position or the closing position, the protrusions retreat from the corresponding grooves, so that the connecting parts can be separated from the corresponding mounting holes, and the connecting assembly is separated from the prosthesis. According to the prosthesis installer provided by the embodiment of the invention, the problem that the prosthesis rotates and displaces relative to the skeleton when the connecting assembly is separated from the prosthesis can be solved.

The utility model provides a cup placing mechanism and a surgical prosthesis implantation auxiliary tool. The cup placing mechanism comprises a cup placing rod shaft and a switching part arranged at one end of the cup placing rod shaft, wherein the cup placing rod shaft is provided with an adapting groove and an unlocking groove penetrating through the groove wall of the adapting groove, one end of the adapting part is provided with a threaded part used for being in threaded connection with a prosthesis implant, the other end of the adapting part is provided with an inserting part used for being inserted into the adapting groove, and the inserting part is provided with a locking groove; the unlocking groove is provided with a switching part button and a switching part elastic piece. The switching part button is provided with a limiting protrusion used for being clamped into the locking groove to limit the insertion part. The switching part elastic piece is connected with the switching part button and used for driving the limiting protrusion to be clamped into the locking groove. And the limiting bulge can be separated from the locking groove when the switching part button is pressed down, so that the insertion part can be separated from the switching groove. By the adoption of the technical scheme, the cup placing mechanism can be compatible with prosthesis implants of different manufacturers, and meanwhile high-efficiency disassembly and assembly of the prosthesis implants are achieved.