A nail hole-free osteotomy system

Abstract

The application provides a nail hole-free osteotomy system, and belongs to the technical field of medical osteotomy instruments; the nail hole-free osteotomy system comprises a femoral condyle measuring osteotomy assembly, a tibial plateau measuring osteotomy assembly, a femoral condyle prosthesis assembly and a tibial plateau prosthesis assembly, and the femoral condyle measuring osteotomy assembly is used for measuring the position of the femoral condyle that needs to be punched. The sawtooth is embedded into the part of the tibial plateau of a patient that needs to be osteotomied and removed in use, the tibial plateau measuring osteotomy groove block is attached to the anterior edge of the tibial plateau of the patient, the sawtooth can be embedded into the uppermost end of the tibial plateau that needs to be removed, so that the original nail fixation below the osteotomy plane is replaced, the positioning nail below the osteotomy plane of the patient is not needed, the nail hole is not left after the operation, the risk of tibial plateau fracture in the daily life of the patient after the operation is effectively reduced, and the probability of reoperation of the patient is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical osteotomy apparatus, in particular to a nail-hole-free osteotomy system. BACKGROUND

[0002] In orthopedic clinical surgery, knee unicompartmental arthroplasty is suitable for patients with single compartment osteoarthritis or traumatic arthritis and old fracture of single tibial condyle or platform, and knee unicompartmental arthroplasty is the most effective method for treating end-stage knee joint diseases, which can eliminate pain, correct deformity, regain function and greatly improve the quality of life of patients.

[0003] In the existing knee unicompartmental arthroplasty surgery, the patient lies on the operating table and adjusts the body position, makes a skin incision on the medial patella, removes the osteophytes on the medial edge of the femoral condyle and the lateral edge of the intercondylar fossa, performs osteotomy on the tibial platform of the lower leg, grinds the femoral condyle of the thigh, measures the balance of the flexion and extension gap of the knee joint, and then performs knee arthroplasty. At present, when the knee arthroplasty unicompartmental arthroplasty is performed, 2-3 positioning nails need to be punched into the osteotomy plane, and the nail holes will be left after the operation. In the daily life of the patient after the operation, the risk of tibial platform fracture of the patient will be increased, thereby increasing the probability of reoperation of the patient and affecting the health of the patient. Therefore, the present application provides a nail-hole-free osteotomy system to meet the needs. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a nail-hole-free osteotomy system to solve the problem that in the existing knee arthroplasty unicompartmental arthroplasty, the tibial platform of the patient needs to be treated by osteotomy, and 2-3 positioning nails need to be punched into the osteotomy plane, and the nail holes will be left after the operation. In the daily life of the patient after the operation, the risk of tibial platform fracture of the patient will be increased, thereby increasing the probability of reoperation of the patient and affecting the health of the patient.

[0005] To solve the above technical problems, the present application provides the following technical solutions:

[0006] A kind of nail hole osteotomy system, including femoral condyle measurement osteotomy assembly, tibial plateau measurement osteotomy assembly, femoral condyle prosthesis assembly and tibial plateau prosthesis assembly, the femoral condyle measurement osteotomy assembly is used to measure the position of femoral condyle needing to punch, the tibial plateau measurement osteotomy assembly is used to measure the position of tibial plateau needing to cut, the femoral condyle prosthesis assembly is used to replace femoral condyle worn femur, the tibial plateau prosthesis assembly is used to replace cut-off tibial plateau;The femoral condyle measurement osteotomy assembly includes the femoral condyle measurement board that is attached to the femoral condyle of patient, a pair of fixed nail holes are formed in the femoral condyle measurement board, an observation hole is formed in the femoral condyle measurement board, the observation hole is communicated with a pair of fixed nail holes, two groups of inclined nail holes are formed in the femoral condyle measurement board, each group of inclined nail holes is composed of multiple two millimeter holes, one side of the femoral condyle measurement board is fixedly connected with handle, the handle and the femoral condyle measurement board are fixedly connected by screw, force line hole is formed in the handle, fixed hole is formed in the handle.

[0007] Preferably, the femoral condyle measurement board is spoon-shaped structure.

[0008] Preferably, the fixed nail hole is fifteen degrees with femoral shaft long axis.

[0009] Preferably, the tibial plateau measurement osteotomy assembly includes the clamping block that is clamped with the handle, the clamping block is threadedly connected with fixed screw, the fixed screw is threadedly connected with fixed hole, the bottom of the clamping block is fixedly connected with connecting rod, the bottom of the connecting rod is fixedly connected with tibial plateau measurement osteotomy groove block, a pair of tibial plateau osteotomy grooves are formed in the tibial plateau measurement osteotomy groove block, a plurality of sawteeth are fixedly connected on one side of the tibial plateau measurement osteotomy groove block.

[0010] Preferably, the side of the tibial plateau measurement osteotomy groove block that is attached to the tibial plateau of patient is arc-shaped structure in plan view.

[0011] Preferably, two tibial plateau osteotomy grooves are six millimeters and seven millimeters away from the highest point of posterior margin of tibial plateau of patient respectively.

[0012] Preferably, the tibial plateau osteotomy groove is five degrees with the coronal plane of patient.

[0013] Preferably, the femoral condyle prosthesis assembly includes the femoral condyle frame body board that is attached to the processed femoral condyle of patient, a pair of insertion nails are fixedly connected on the femoral condyle frame body board.

[0014] Preferably, the tibial platform prosthesis assembly comprises a tibial platform polyethylene pad arranged on the tibial platform, a limiting groove is arranged on the tibial platform polyethylene pad, a clamping groove is arranged on the bottom of the tibial platform polyethylene pad, a plurality of first buckles are fixedly connected to the inner wall of the clamping groove, a tibial support is arranged on the bottom of the tibial platform polyethylene pad, a limiting block is fixedly connected to the top of the tibial support, the limiting block is clamped with the limiting groove, a limiting plate is fixedly connected to the top of the tibial support, a plurality of second buckles are fixedly connected to one side of the limiting plate, the first buckles and the second buckles are buckled, a keel plate is fixedly connected to the bottom of the tibial support, three keel columns are fixedly connected to the keel plate, a window is arranged between adjacent two keel columns, and the tibial platform polyethylene pad and the tibial support are fixedly connected through a sliding hole screw.

[0015] Preferably, the material of the tibial platform polyethylene pad is high cross-linking polyethylene material.

[0016] Compared with the prior art, the present application has at least the following beneficial effects:

[0017] In the above scheme, the femoral condyle measuring plate is arranged, in use, after the preoperative preparation work is completed, the joint to be replaced of the patient is exposed, after a series of surgical operations, the femoral condyle measuring plate is attached to the surface of the femoral condyle of the patient, the professional tool is used to groove from the fixed nail hole, the observation hole is arranged to facilitate the observation of the femoral condyle center line of the patient, and the force line hole can be inserted with a force line rod, so that the operation is facilitated.

[0018] The tibial platform osteotomy groove is arranged, in use, the clamping block is clamped to the handle, the fixing screw is rotated and inserted into the clamping block and the handle, the connection of the handle and the tibial platform osteotomy measuring assembly is realized, the saw teeth are embedded into the uppermost part of the tibial platform of the patient which needs to be removed by osteotomy, the tibial platform osteotomy groove block is attached to the anterior edge of the tibial platform of the patient, and the tibial platform osteotomy measuring assembly is used in cooperation with the femoral condyle osteotomy measuring assembly, so that the osteotomy and polishing of the tibial platform and the femoral condyle of the patient are more accurate, the tibial platform osteotomy groove bottom has a four-millimeter protruding boss in the central direction of the tibial platform, the excessive cutting of the reciprocating saw is effectively avoided, the saw teeth can be embedded into the uppermost end of the tibial platform which needs to be removed, so as to replace the original nail fixing below the osteotomy plane, the effect that the positioning nail does not need to be punched into the osteotomy plane of the patient after the operation is achieved, the risk of tibial platform fracture of the patient in daily life after the operation is effectively reduced, and the probability of reoperation of the patient is reduced.

[0019] The femoral condyle frame plate is arranged, in use, after the femoral condyle osteotomy groove of the patient is arranged, the insertion nail is inserted into the arranged osteotomy groove, so that the femoral condyle frame plate is attached to the femoral condyle of the patient, and the bone to be replaced of the femoral condyle of the patient is replaced, so that the operation is convenient.

[0020] By setting the tibial platform polyethylene pad, in use, the limiting slot and the limiting block are connected with each other, and the first buckle and the second buckle are buckled with each other, so that the tibial platform polyethylene pad and the tibial support are installed, then the sliding hole screw is rotated and installed on the tibial platform polyethylene pad and the tibial support, and the tibial platform polyethylene pad and the tibial support are further effectively fixed, the tibial platform of the patient is slotted, the keel plate and the keel column are inserted into the slot, and the installation of the tibial platform prosthesis assembly is realized, which is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to implement and use the present disclosure.

[0022] Figure 1 The first perspective view of the assembly of the femoral condyle measuring osteotomy assembly and the tibial platform measuring osteotomy assembly is shown in the figure;

[0023] Figure 2 The second perspective view of the assembly of the femoral condyle measuring osteotomy assembly and the tibial platform measuring osteotomy assembly is shown in the figure;

[0024] Figure 3 The perspective view of the tibial platform measuring osteotomy assembly is shown in the figure;

[0025] Figure 4 The perspective view of the femoral condyle measuring osteotomy assembly is shown in the figure;

[0026] Figure 5 The perspective view of the assembly of the femoral condyle prosthesis assembly and the tibial platform prosthesis assembly is shown in the figure;

[0027] Figure 6 The perspective view of the tibial platform prosthesis assembly is shown in the figure;

[0028] Figure 7 The Figure 2 The enlarged structure of A in the figure is shown in the figure.

[0029] [REFERENCE SIGNS]

[0030] 1, femoral condyle measuring plate; 2, fixation nail hole; 3, observation hole; 4, oblique nail hole; 5, handle; 6, force line hole; 7, fixation hole; 8, clamping block; 9, fixation screw; 10, connecting rod; 11, tibial plateau measuring osteotomy groove block; 12, tibial plateau osteotomy groove; 13, sawtooth; 14, femoral condyle frame body plate; 15, insertion nail; 16, tibial plateau polyethylene pad; 17, limiting groove; 18, clamping groove; 19, first clasp; 20, tibial support; 21, limiting block; 22, limiting plate; 23, second clasp; 24, keel plate; 25, keel column; 26, windowing; 27, sliding hole screw.

[0031] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structures, devices and environments, and those skilled in the art can adjust or modify these devices and environments according to specific needs, and the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0032] A nail hole osteotomy system provided by the present application is described in detail below in combination with the drawings and specific embodiments. It should be noted that in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.

[0033] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include a specific feature, structure or property, but not necessarily every embodiment includes the specific feature, structure or property. In addition, when a specific feature, structure or property is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize such feature, structure or property in combination with other embodiments, whether or not it is explicitly described.

[0034] Generally, the terms can be understood at least in part from the context in which they are used. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular or can be used to describe combinations of features, structures, or characteristics, in the plural, without necessarily forcing such features, structures, or characteristics to exist in only one or more of the specifically enumerated disclosures. In addition, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, and instead can allow for existence of other factors not necessarily expressly described, again, depending at least in part on the context.

[0035] It is to be understood that the terms "on", "over", and "above" in the present disclosure should be interpreted in the broadest possible way, such that "on" not only means "directly on" something, but also includes the meaning of being "on" something with intervening features or layers therebetween, and "over" or "above" not only means the meaning of being "over" or "above" something, but also can include the meaning of being "over" or "above" something with no intervening features or layers therebetween.

[0036] In addition, spatially relative terms, such as "under", "below", "lower", "over", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the devices in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can similarly be interpreted accordingly.

[0037] As shown in the drawings, Figures 1-7 The embodiment of the present application provides a nail hole-free osteotomy system, which comprises a femoral condyle measurement osteotomy assembly, a tibial plateau measurement osteotomy assembly, a femoral condyle prosthesis assembly and a tibial plateau prosthesis assembly, the femoral condyle measurement osteotomy assembly is used for measuring the position of the femoral condyle needing to be punched, the tibial plateau measurement osteotomy assembly is used for measuring the position of the tibial plateau needing to be cut, the femoral condyle prosthesis assembly is used for replacing the worn femoral condyle, and the tibial plateau prosthesis assembly is used for replacing the cut tibial plateau; the femoral condyle measurement osteotomy assembly comprises a femoral condyle measurement plate 1 which is attached to the femoral condyle of a patient, a pair of fixed nail holes 2 are formed in the femoral condyle measurement plate 1, the inner wall of the fixed nail hole 2 is provided with a thread for screwing into a fixed drill hole sleeve, an observation hole 3 is formed in the femoral condyle measurement plate 1, the observation hole 3 is in communication with the pair of fixed nail holes 2, two groups of inclined nail holes 4 are formed in the femoral condyle measurement plate 1, each group of inclined nail holes 4 is composed of a plurality of two-millimeter holes, a handle 5 is fixedly connected to one side of the femoral condyle measurement plate 1, the handle 5 and the femoral condyle measurement plate 1 are fixedly connected through a screw, a force line hole 6 is formed in the handle 5, and a fixed hole 7 is formed in the handle 5.

[0038] The femoral condyle measurement plate 1 is provided, in use, after the preoperative preparation work is completed, the joint needing to be replaced of the patient is exposed and treated, after a series of surgical operations, the femoral condyle measurement plate 1 is attached to the surface of the femoral condyle of the patient, the fixed nail hole 2 is slotted through professional tools, the observation hole 3 is convenient for observing the femoral condyle center line of the patient, and the force line hole 6 can be inserted with a force line rod, so that the operation is convenient.

[0039] In the embodiment, as Figure 2As shown, the femoral condyle measurement plate 1 is in a spoon-shaped structure, which is more suitable for the femoral condyle of the patient.

[0040] In this embodiment, as shown in the figure, Figure 1 The fixed nail hole 2 is at an angle of fifteen degrees with the long axis of the femoral shaft. When the patient's femoral condyle is slotted, the cut bone slot is at an angle of fifteen degrees with the long axis of the patient's femoral shaft, which is compatible with the femoral condyle prosthesis assembly.

[0041] As an embodiment in this embodiment, as shown in the figure, Figures 1-7 The tibial plateau measurement osteotomy assembly includes a clamping block 8 connected with the handle 5, a fixed screw 9 threaded on the clamping block 8, the fixed screw 9 is threaded with the fixed hole 7, the bottom of the clamping block 8 is fixedly connected with a connecting rod 10, the bottom of the connecting rod 10 is fixedly connected with a tibial plateau measurement osteotomy slot block 11, a pair of tibial plateau osteotomy slots 12 are provided on the tibial plateau measurement osteotomy slot block 11, and a plurality of sawteeth 13 are fixedly connected on one side of the tibial plateau measurement osteotomy slot block 11.

[0042] Through the setting of the tibial plateau osteotomy slot 12, in use, the clamping block 8 is clamped on the handle 5, and the fixed screw 9 is rotated and inserted into the clamping block 8 and the handle 5, realizing the connection of the handle 5 and the tibial plateau measurement osteotomy assembly, so that the sawteeth 13 are embedded in the part of the patient's tibial plateau that needs to be cut off, the tibial plateau measurement osteotomy slot block 11 is attached to the anterior edge of the patient's tibial plateau, and the tibial plateau measurement osteotomy assembly is used in cooperation with the femoral condyle measurement osteotomy assembly. The tibial plateau and femoral condyle osteotomy of the patient is more accurate, the bottom of the tibial plateau osteotomy slot 12 has a four-millimeter protruding boss in the central direction of the tibial plateau, which effectively avoids excessive cutting of the reciprocating saw, and the sawteeth 13 can be embedded in the uppermost end of the patient's tibial plateau that needs to be cut off, replacing the original nail fixation below the osteotomy plane, achieving the effect of not needing to drill positioning nails below the osteotomy plane of the patient, and not leaving nail holes after the operation, effectively reducing the risk of tibial plateau fracture in the patient's daily life after the operation, and reducing the probability of the patient needing reoperation.

[0043] In this embodiment, as shown in the figure, Figure 3 The side of the tibial plateau measurement osteotomy slot block 11 that is attached to the patient's tibial plateau is in an arc-shaped structure, which is more suitable for the anterior edge of the patient's tibial plateau, improving the accuracy of the tibial plateau osteotomy of the patient.

[0044] In this embodiment, as shown in the figure, Figure 2 The tibial plateau osteotomy slot 12 is at an angle of five degrees with the patient's coronal plane, and is attached to the patient's coronal plane. The two tibial plateau osteotomy slots 12 are respectively six millimeters and seven millimeters away from the highest point of the posterior edge of the patient's tibial plateau, facilitating the doctor to choose different osteotomy positions.

[0045] As an implementation form in the embodiment, as shown in Figures 1-7 The femoral condyle prosthesis assembly comprises a femoral condyle frame plate 14 which is fitted to the treated femoral condyle of the patient, and a pair of insertion nails 15 are fixedly connected to the femoral condyle frame plate 14.

[0046] Through the femoral condyle frame plate 14, when in use, after the osteotomy groove of the femoral condyle of the patient is opened, the insertion nails 15 are inserted into the opened osteotomy groove, so that the femoral condyle frame plate 14 is fitted to the femoral condyle of the patient, and the bone which needs to be replaced of the femoral condyle of the patient is replaced, which is convenient to operate.

[0047] As an implementation form in the embodiment, as shown in Figures 1-7 The tibial plateau prosthesis assembly comprises a tibial plateau polyethylene pad 16 which is arranged on the tibial plateau, a limiting groove 17 is arranged on the tibial plateau polyethylene pad 16, a clamping groove 18 is arranged at the bottom of the tibial plateau polyethylene pad 16, a plurality of first buckles 19 are fixedly connected to the inner wall of the clamping groove 18, a tibial support 20 is arranged at the bottom of the tibial plateau polyethylene pad 16, a limiting block 21 is fixedly connected to the top of the tibial support 20, the limiting block 21 is clamped with the limiting groove 17, a limiting plate 22 is fixedly connected to the top of the tibial support 20, a plurality of second buckles 23 are fixedly connected to one side of the limiting plate 22, the first buckles 19 and the second buckles 23 are buckled, a keel plate 24 is fixedly connected to the bottom of the tibial support 20, three keel columns 25 are fixedly connected to the keel plate 24, a window 26 is arranged between the adjacent two keel columns 25, and the tibial plateau polyethylene pad 16 and the tibial support 20 are fixedly connected through a sliding hole screw 27.

[0048] Through the tibial plateau polyethylene pad 16, when in use, the limiting groove 17 arranged on the tibial plateau polyethylene pad 16 is clamped with the limiting block 21, and the first buckles 19 and the second buckles 23 are buckled with each other, so that the tibial plateau polyethylene pad 16 and the tibial support 20 are installed, then the sliding hole screw 27 is rotated and installed on the tibial plateau polyethylene pad 16 and the tibial support 20, and the tibial plateau polyethylene pad 16 and the tibial support 20 are further effectively fixed, the tibial plateau which is osteotomied of the patient is slotted, the keel plate 24 and the keel column 25 are inserted into the slot, and the installation of the tibial plateau prosthesis assembly is realized, which is convenient to install.

[0049] In the embodiment, as shown in Figure 6 The material of the tibial plateau polyethylene pad 16 is high crosslinking polyethylene material, the high crosslinking polyethylene material is more stable, and the loss of the tibial plateau polyethylene pad 16 is effectively reduced.

[0050] The technical scheme provided by the present application, through the femoral condyle measuring plate arranged, when in use, after the preoperative preparation work is done, the joint of the patient needing replacement is exposed and treated, after a series of surgical operations, the femoral condyle measuring plate is attached to the surface of the femoral condyle of the patient, the professional tool is used for slotting from the fixing nail hole, the observation hole is arranged to facilitate the observation of the femoral condyle center line of the patient, the force line hole is arranged to be inserted with the force line rod, and the operation is convenient.

[0051] Through the tibial platform osteotomy groove arranged, in use, the clamping block is clamped to the handle, the fixing screw is rotated and inserted into the clamping block and the handle, the connection of the handle and the tibial platform osteotomy measuring assembly is realized, the saw teeth are embedded into the uppermost part of the tibial platform of the patient needing osteotomy removal, the tibial platform osteotomy groove block is attached to the front edge of the tibial platform of the patient, and the tibial platform osteotomy measuring assembly is used in cooperation with the femoral condyle osteotomy measuring assembly, so that the tibial platform and femoral condyle osteotomy polishing of the patient is more accurate, the tibial platform osteotomy groove bottom has a four-millimeter convex protrusion in the tibial platform central direction, the excessive cutting of the reciprocating saw is effectively avoided, the saw teeth can be embedded into the uppermost end of the tibial platform needing to be removed, to replace the original nail fixing below the osteotomy plane, the effect that the positioning nail does not need to be punched into the osteotomy plane of the patient after the operation, and the nail hole is not left after the operation, the risk of tibial platform fracture in the daily life of the patient after the operation is effectively reduced, and the probability of reoperation of the patient is reduced.

[0052] Through the femoral condyle frame body plate arranged, in use, after the femoral condyle osteotomy groove of the patient is opened, the insertion nail is inserted into the opened osteotomy groove, so that the femoral condyle frame body plate is attached to the femoral condyle of the patient, and the bone needing replacement of the femoral condyle of the patient is replaced, and the operation is convenient.

[0053] Through the tibial platform polyethylene pad arranged, in use, the limiting groove and the limiting block on the tibial platform polyethylene pad are clamped, the first buckle and the second buckle are mutually buckled, the installation of the tibial platform polyethylene pad and the tibial support is realized, then the sliding hole screw is rotated and installed on the tibial platform polyethylene pad and the tibial support, and the effective fixation of the tibial platform polyethylene pad and the tibial support is further realized, the tibial platform of the patient after osteotomy is slotted, the keel plate and the keel column are inserted into the opened slot, and the installation of the tibial platform prosthesis assembly is realized, and the installation is convenient.

[0054] The present application covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present application. In order to make the public have a thorough understanding of the present application, specific details are described in the following preferred embodiments of the present application, and the present application can also be completely understood without the description of these details for those skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the present application, well-known methods, processes, procedures, elements and circuits are not described in detail.

[0055] Those skilled in the art can understand that all or part of the steps in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc.

[0056] The above only describes the preferred embodiments of the present application, and it should be pointed out that those skilled in the art can make several improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A nail-free osteotomy system, characterized in that, include: The femoral condyle measurement and osteotomy assembly, the tibial plateau measurement and osteotomy assembly, the femoral condyle prosthesis assembly, and the tibial plateau prosthesis assembly are used to measure the location where the femoral condyle needs to be drilled, the tibial plateau measurement and osteotomy assembly is used to measure the location where the tibial plateau needs to be osteotomized, the femoral condyle prosthesis assembly is used to replace the worn femoral condyle, and the tibial plateau prosthesis assembly is used to replace the cut-off tibial plateau. The femoral condyle measurement and osteotomy assembly includes a femoral condyle measuring plate that fits against the patient's femoral condyle. The measuring plate has a pair of fixation screw holes and an observation hole connected to the fixation screw holes. It also has two sets of oblique screw holes, each set consisting of multiple 2mm holes. A handle is fixedly connected to one side of the measuring plate, and the handle and measuring plate are fixedly connected by screws. The handle has a force line hole and a fixation hole. The measuring plate is fitted onto the patient's femoral condyle surface, and a groove is created through the fixation screw holes using specialized tools. The observation hole facilitates observation of the patient's femoral condyle midline, and the force line hole allows for the insertion of a force line rod for convenient operation. The tibial plateau measurement osteotomy assembly includes a locking block that engages with the handle. A fixing screw is threaded onto the locking block, and the fixing screw is threaded into a fixing hole. A connecting rod is fixedly connected to the bottom of the locking block, and a tibial plateau measurement osteotomy groove block is fixedly connected to the bottom of the connecting rod. A pair of tibial plateau osteotomy grooves are formed on the tibial plateau measurement osteotomy groove block, and multiple serrations are fixedly connected to one side of the tibial plateau measurement osteotomy groove block. In use, attach the clip to the handle, and rotate the fixing screw into the clip and handle to connect the handle and the tibial plateau measuring osteotomy component. This allows the saw teeth to be embedded into the uppermost part of the patient's tibial plateau that needs to be osteotomized and removed. The tibial plateau measuring osteotomy groove is attached to the anterior edge of the patient's tibial plateau. The tibial plateau measuring osteotomy component and the femoral condyle measuring osteotomy component work together to make the osteotomy and grinding of the patient's tibial plateau and femoral condyle more precise. The tibial plateau prosthesis assembly includes a tibial plateau polyethylene pad disposed on the tibial plateau. A limiting groove is formed on the tibial plateau polyethylene pad. A retaining groove is formed at the bottom of the tibial plateau polyethylene pad. Multiple first buckles are fixedly connected to the inner wall of the retaining groove. A tibial support is disposed at the bottom of the tibial plateau polyethylene pad. A limiting block is fixedly connected to the top of the tibial support, and the limiting block engages with the limiting groove. A limiting plate is fixedly connected to the top of the tibial support. Multiple second buckles are fixedly connected to one side of the limiting plate, and the first and second buckles engage. A keel plate is fixedly connected to the bottom of the tibial support. Three keel columns are fixedly connected to the keel plate, and an opening is formed between two adjacent keel columns. The tibial plateau polyethylene pad and the tibial support are fixedly connected by sliding hole screws.

2. The nail-free osteotomy system according to claim 1, characterized in that, The femoral condyle measuring plate has a spoon-shaped structure.

3. The nail-free osteotomy system according to claim 1, characterized in that, The angle between the fixation pin hole and the long axis of the femoral shaft is fifteen degrees.

4. The nail-free osteotomy system according to claim 1, characterized in that, The top view of the side of the tibial plateau measurement osteotomy groove block that fits against the patient's tibial plateau has an arc-shaped structure.

5. The nail-free osteotomy system according to claim 1, characterized in that, The two tibial plateau osteotomy grooves are located 6 mm and 7 mm from the highest point of the posterior edge of the patient's tibial plateau, respectively.

6. The nail-free osteotomy system according to claim 1, characterized in that, The tibial plateau osteotomy groove is at a five-degree angle to the patient's coronal plane.

7. The nail-free osteotomy system according to claim 1, characterized in that, The femoral condyle prosthesis assembly includes a femoral condyle frame plate that conforms to the treated femoral condyle of the patient, and a pair of insertion pins are fixedly connected to the femoral condyle frame plate.

8. The nail-free osteotomy system according to claim 1, characterized in that, The tibial plateau polyethylene pad is made of highly cross-linked polyethylene.

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