CN112545722A

CN112545722A - Knee joint replacement balancer combining measurement osteotomy and gap balancing technology

Info

Publication number: CN112545722A
Application number: CN202011391867.6A
Authority: CN
Inventors: 雷鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-26
Anticipated expiration: 2040-12-01
Also published as: CN112545722B

Abstract

A knee joint replacement balancer combining a measurement osteotomy and a gap balancing technology comprises an osteotomy amount and a four-in-one osteotomy module setting instrument; the bone cutting amount and four-in-one bone cutting module setting instrument is characterized by comprising a handle, a setting platform, a bone cutting amount measuring structure and a four-in-one bone cutting module setting structure; the handle is connected with the setting platform, a four-in-one osteotomy module setting structure perpendicular to the upper plane of the setting platform is arranged on the setting platform, and the length of the setting platform is greater than the width of the four-in-one osteotomy module setting structure; the four-in-one osteotomy module setting structure comprises a part with a notch, and an osteotomy quantity measuring structure with a right-angled bend is arranged in the notch; the osteotomy measuring structure comprises a vertical section and a horizontal section; the vertical section of the osteotomy amount measuring structure is arranged in the notch, and the horizontal section is a structure which is used for extending out to find the edge of the femur and then measuring the osteotomy amount through the vertical section; the four-in-one osteotomy module setting structure comprises a flat plate structure with different four-in-one osteotomy module inserting holes.

Description

Knee joint replacement balancer combining measurement osteotomy and gap balancing technology

Technical Field

The invention belongs to the technical field of orthopedic medical instruments, particularly relates to a balancing instrument used in a total knee joint replacement operation, and particularly relates to a knee joint replacement balancer combining a bone cutting and gap balancing technology.

Background

The artificial total knee joint replacement is a new technology for treating knee joint diseases, which is gradually developed in recent times, can effectively eliminate pains of late knee joint diseases, and greatly improves the life quality of patients.

However, total knee replacement is a technically challenging procedure that requires osteotomy measurements and soft tissue balancing of the patient in flexion and extension to achieve equal flexion-extension clearance and good patellar tracking. Particularly, aiming at the measurement of the balance gap and the osteotomy amount of a patient in a flexion position state, the angle of the rotation alignment is determined, and how to effectively select the proper four-in-one osteotomy module needs to be accurately measured. In the prior art, the measurement of the buckling clearance, the measurement of the osteotomy amount, the selection of the four-in-one osteotomy module and the setting of the positioning hole are required to be completed in sequence, or the position and the rotation angle of the four-in-one osteotomy module can be determined only through a complex clearance balancer. Particularly, when the four-in-one osteotomy module is selected and set, a measuring instrument is required to be firstly fixed on the femur for measurement, and the measured bony structure is cut off after the measurement is finished, so that the whole process is long in operation time, and more assistant personnel are required in the operation.

Therefore, the inventor expects to design an instrument capable of accelerating the speed from the measurement of the flexion gap to the setting of the four-in-one osteotomy module, so that the precision and the efficiency of the total knee joint replacement completed by two modes of the current measurement osteotomy device and the gap balancer are improved, the operation time is effectively saved, the minimally invasive muscle gap access small incision operation is facilitated, and the success rate and the postoperative curative effect of the operation are increased.

The invention provides a knee joint replacement balancer combining a measurement osteotomy and a gap balancing technology, aiming at the problem that the measurement steps of femoral gap balance and osteotomy are long in time in the flexion position in the prior art.

Disclosure of Invention

A knee joint replacement balancer combining a measurement osteotomy and a gap balancing technology comprises an osteotomy amount and a four-in-one osteotomy module setting instrument; the bone cutting amount and four-in-one bone cutting module setting instrument is characterized by comprising a handle, a setting platform, a bone cutting amount measuring structure and a four-in-one bone cutting module setting structure; the handle is connected with the setting platform, a four-in-one osteotomy module setting structure perpendicular to the upper plane of the setting platform is arranged on the setting platform, and the length of the setting platform is greater than the width of the four-in-one osteotomy module setting structure; the four-in-one osteotomy module setting structure comprises a part with a notch, and an osteotomy quantity measuring structure with a right-angled bend is arranged in the notch; the osteotomy measuring structure comprises a vertical section and a horizontal section; the vertical section of the osteotomy amount measuring structure is arranged in the notch, and the horizontal section is a structure which is used for extending out to find the edge of the femur and then measuring the osteotomy amount through the vertical section; the four-in-one osteotomy module setting structure comprises a flat plate structure with different four-in-one osteotomy module inserting holes. During the use, through will setting up in the platform stretches into the clearance of thighbone and shin bone flexion position, measure the structure horizontal segment through cutting the bone and stretch to each position of thighbone platform, understand the volume that needs to cut the bone, paste the condition of understanding the thighbone platform on the thighbone platform through the flat structure, confirm the model position and the rotation angle of four unification osteotomy modules to in will fixing a position the nail to the inserted hole that corresponds, the handheld handle of back withdraws from all structures from the thighbone position and accomplishes the measurement.

Further, the first end of the platform is arranged to be a connecting handle end; the setting platform is a rectangular platform and is connected with the handle through a triangular connecting structure;

furthermore, the thickness of the triangular connecting structure is thinner than that of the arranged platform, so that the arrangement can increase the layering sense of the whole structure and reduce the whole quality.

Further, the handle is a hollow handle, and the hollow setting is a weight reduction setting.

Furthermore, a buckling clearance measuring structure is specially arranged and comprises a handle and a buckling clearance measuring platform integrally connected with the handle; and arranging measurement structures of the flexion-extension clearance measurement platforms with different thicknesses so as to obtain correspondingly equal flexion-extension clearances and good patella tracks.

Or setting platforms with different thicknesses are arranged, and the front parts of the setting platforms are used for measuring the flexion gap and the patella track. When in use, a measuring platform with proper thickness is selected for measurement.

Furthermore, the setting platform is connected with the handle and the four-in-one osteotomy module setting structure in a combined mode, and the setting platform with the proper thickness is selected to be combined with the handle and the four-in-one osteotomy module.

Or, set up the unchangeable platform that sets up of thickness, set up platform and handle and four unification and cut bone module and set for structure built-up connection or an organic whole and be connected, set up the measurement board that the measurement buckling clearance that sets up different thickness and soft tissue are balanced on the platform, measure the board and set up platform built-up connection, this kind of setting will measure the board and change and can accomplish the use as long as when using.

Furthermore, the whole four-in-one osteotomy module setting structure is a plate-shaped structure vertical to the setting platform, and comprises a flat plate structure arranged on one side or two sides and a notched part connected with the flat plate structure on one side or two sides; and a connecting plate for connecting the setting platform and the flat plate structure is arranged below the flat plate structure on at least one side. The both sides set up the definite that can better realization carries out four unification osteotomy modules from thighbone both ends, and the unilateral setting also can realize the function but the degree of difficulty is a little bit.

Furthermore, a connecting plate groove for accommodating the bottom of the connecting plate is formed in the platform, and the shape of the connecting plate groove is consistent with that of the connecting plate. This arrangement can achieve the connection efficiently.

Further, set up platform and connecting plate built-up connection, the connecting plate bottom sets up 2 screw holes, sets up the screw hole that runs through the setting in the bottom in connecting plate groove, connects the screw hole on connecting plate and the connecting plate groove through the screw, and then realizes setting up the combination of platform and connecting plate.

Furthermore, the connecting plate groove comprises a large extending groove and two protruding grooves at the front end, and 1-2 fixing screw holes are arranged in the extending groove; the bottom of the corresponding connecting plate is provided with an extending section and a protruding section; when the screw is combined, the stretching section is arranged in the stretching groove, the protruding section is arranged in the protruding groove, and the screw hole is connected through a screw.

Furthermore, one or two connecting plate grooves are arranged on the platform or the handle is used as a symmetry axis. One setting operation is simple, and the two settings increase the setting randomness and are not limited by the direction.

Furthermore, two connecting plate grooves are arranged by taking the handle as a symmetrical axis; the connecting plate is arranged in one of the connecting plate grooves according to requirements.

Furthermore, a measuring plate for measuring the buckling clearance and the soft tissue balance is arranged on the side of the connecting plate groove without the connecting plate.

Further, set up the platform second end position and set up with handle direction vertically horizontal groove, the screw hole of connecting the measurement board is set up in the horizontal groove, corresponds on the measurement board and sets up the screw hole, measures the board and sets up the platform through bolted connection buckling clearance.

Further, set up the middle breach that sets up of platform, use the handle to divide into two as the symmetry axis with horizontal groove and connecting plate groove through the breach.

Further, the horizontal groove is far away from the handle direction and is also provided with an arc-shaped protruding part, and the arc-shaped protruding part can reduce the damage to the thighbone or the foot when the horizontal groove extends.

Furthermore, the height of the arc-shaped protruding part is higher than that of the side wall of the horizontal groove, and the arrangement can effectively prevent the position of the buckling measurement plate from moving when the buckling measurement plate is fixed.

Furthermore, the flat plate structure is a circular structure, and the part with the notch is a notch plate;

further, set up the four-in-one of 8 different sizes on the unilateral flat plate structure and cut bone module model and limit the insert hole.

Furthermore, size labels are marked beside different jacks, so that the rotation of the insertion needle or the nail can be conveniently completed at the highest speed. The reference numbers set the jack reference numbers according to the difference of the sizes and parameters of the knee joint prosthesis involved in clinic. One of the labels is: 1.5; 2; 2.5; 3; 4; 5; 6.

furthermore, the vertical section of the osteotomy amount measuring structure is provided with scales for determining the osteotomy amount.

Furthermore, the horizontal section of the osteotomy measuring structure comprises two small sections with different thicknesses, wherein the thickness of the front end is smaller than that of the rear end, the arrangement facilitates the extension of the horizontal section, certain strength can be kept, and the risk of bending is reduced.

Furthermore, the vertical section of the osteotomy measuring structure is a movable plate with the thickness consistent with that of the notch, and the arrangement facilitates scale setting and movement.

Or, the vertical section of the osteotomy measuring structure is set to be cylindrical, the diameter of the vertical section is consistent with the thickness of the notch, the vertical section can be conveniently rotated in the notch by the arrangement, the rotation measurement is realized, the amount of the osteotomy at two ends of the femur can be known as soon as possible by rotation, and the measurement can be carried out without moving to the position corresponding to the position of the femur.

Further, the thickness of the position where the thickness of the platform is the largest is set to be 3-5 mm; the thickness range of the buckling clearance measuring plate is 2-4 mm; wherein it is preferably set to 2 mm; 2.5 mm; 3 mm; 3.5mm4 boards were measured at different thicknesses.

Furthermore, the whole instrument is made of medical metal materials or medical plastic materials, so that the cost of the metal and plastic materials is low, and the manufacturing process is simple.

With the flexion position osteotomy volume of prior art and measure, four unification osteotomy module selection and clearance balance, soft tissue balance compares, the reduction apparatus use figure that this apparatus's use can be fine, measuring step, measuring time, and measure the precision height, can be fine play the purpose that reduces measuring time, increase the operation success rate, reduce the manpower consumption, and the cost of manufacture is not high, under present full knee joint replacement more and more general prerequisite, can realize the large-scale production.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention in which a mounting platform is provided with two connecting plate slots;

FIG. 2 is a schematic structural view of a handle and a setting platform of an embodiment of the setting platform provided with two connecting plate grooves;

FIG. 3 is a schematic structural diagram of a mounting platform with a buckling gap measuring plate according to an embodiment of the invention, in which the mounting platform is provided with two connecting plate grooves;

FIG. 4 is a schematic structural diagram of a setting platform and a four-in-one structure platform setting structure with two protruding sections of a connecting plate belt according to an embodiment of the invention, in which the setting platform is provided with two connecting plate grooves;

FIG. 5 is a schematic view of a combination structure of a four-in-one osteotomy module setting structure and an osteotomy measurement structure according to the present invention;

FIG. 6 is a schematic structural view of a combination of a four-in-one osteotomy module setting structure and an osteotomy measurement structure and a connecting plate strip with two protruding sections;

FIG. 7 is a schematic view of the overall structure of an embodiment of the present invention in which the installation platform is provided with a connecting plate slot and is not provided with a horizontal slot;

FIG. 8 is a schematic view of the configuration of the mounting platform and the handle of the present invention with a connecting plate slot and without a horizontal slot;

FIG. 9 is a schematic view of the overall structure of an embodiment of the present invention in which a connecting plate groove and a horizontal groove are provided on a mounting platform;

FIG. 10 is a schematic view of a single handled flexion gap measurement configuration of the present invention.

In the figure, 1, a platform is arranged; 11. a connecting plate slot; 111. screw holes; 112. extending into the groove; 113. a protruding groove; 114. a horizontal groove; 115. a notch; 116. an arc-shaped protruding portion; 2. an osteotomy volume measurement structure; 21. a vertical section; 22. a horizontal segment; 23. calibration; 3. setting structure of the four-in-one osteotomy module; 31. a notch; 32. a flat plate structure; 33. a connecting plate; 331. an extension section; 332. a protruding section; 4. a buckling gap measuring structure; 41. a handle; 42. a buckling clearance measuring platform; 43. the plate was measured.

Detailed Description

Example 1 Knee replacement balancer combining osteotomy measurement and gap balancing techniques

A knee joint replacement balancer combining a measurement osteotomy and a gap balancing technology comprises an osteotomy amount and a four-in-one osteotomy module setting instrument; the osteotomy amount and four-in-one osteotomy module setting instrument comprises a handle 41, a setting platform 1, an osteotomy amount measuring structure 2 and a four-in-one osteotomy module setting structure 3; the handle 41 is connected with the setting platform 1, the setting platform 1 is provided with a four-in-one osteotomy module setting structure 3 vertical to the upper plane of the setting platform 1, and the length of the setting platform 1 is greater than the width of the four-in-one osteotomy module setting structure 3; the four-in-one osteotomy module setting structure 3 comprises a part with a notch 31, and an osteotomy quantity measuring structure 2 with a right-angled bend is arranged in the notch 31; the osteotomy amount measuring structure 2 includes a vertical section 21 and a horizontal section 22; the vertical section of the osteotomy amount measuring structure 2 is arranged in the notch 31, and the horizontal section 22 is a structure for extending out to find the edge of the femur so as to measure the osteotomy amount through the vertical section 21; the four-in-one osteotomy module setting structure 3 comprises a flat plate structure 32 with different four-in-one osteotomy module insertion holes; the vertical section 21 of the osteotomy amount measuring structure 2 is provided with a scale 23 for determining the osteotomy amount. During the use, through will setting up in platform 1 stretches into the clearance of thighbone and shin bone flexion position, measure structure 2 horizontal segment 22 through cutting the bone and stretch to each position of thighbone platform, understand the volume that needs to cut the bone, paste the condition of understanding the thighbone platform on the thighbone platform through flat plate structure 32, confirm the model position and the rotation angle of four unification cutting the bone module to in will fixing a position the nail to the insert hole that corresponds, the handheld handle 41 of back withdraws from all structures from the thighbone position and accomplishes the measurement.

The first end of the setting platform 1 is the end connected with the handle 41; the setting platform 1 is a rectangular platform and is connected with the handle 41 through a triangular connecting structure; the thickness of the triangular connection structure is thinner than that of the platform 1, so that the arrangement can increase the layering of the whole structure and reduce the whole quality. The handle 41 is a hollow handle 41, which is also a weight reduction arrangement.

The setting platform 1 with different thicknesses is arranged, and the front part of the setting platform 1 is used for measuring the buckling clearance and the patella track.

The four-in-one osteotomy module setting structure 3 is a plate-shaped structure which is vertical to the setting platform 1 and comprises a flat plate structure 32 arranged on one side or two sides and a groove opening 31 part connected with the flat plate structure 32 on one side or two sides; and a connecting plate 33 for connecting the setting platform 1 and the flat plate structure 32 is arranged below the flat plate structure 32 on at least one side. The both sides set up the definite that can better realization carries out four unification osteotomy modules from thighbone both ends, and the unilateral setting also can realize the function but the degree of difficulty is a little bit.

The flat structure 32 is a circular structure, and the part with the notch 31 is a plate with the notch 31; the single-side flat plate structure 32 is provided with 8 four-in-one osteotomy module model limiting insertion holes with different sizes. And dimension labels are marked beside different jacks, so that the rotation of the insertion needle or the nail can be conveniently completed at the highest speed. The reference numbers set the jack reference numbers according to the difference of the sizes and parameters of the knee joint prosthesis involved in clinic. One of the labels is: 1.5; 2; 2.5; 3; 4; 5; 6.

the horizontal section 22 of the osteotomy measuring structure 2 comprises two small sections with different thicknesses, wherein the thickness of the front end is smaller than that of the rear end, and the horizontal section 22 can be conveniently stretched into the horizontal section by the arrangement, so that certain strength can be kept, and the risk of bending is reduced.

The vertical section 21 of the osteotomy measuring structure 2 is a movable plate with the thickness consistent with that of the notch 31, and the arrangement facilitates the setting of the scale 23 and the movement.

Setting the thickness of the position with the maximum thickness of the platform to be 3-5 mm; the thickness range of the buckling clearance measuring plate 43 is 2-4 mm; wherein it is preferably set to 2 mm; 2.5 mm; 3 mm; 3.5mm4 different thickness measurement plates 43. The whole instrument is made of medical metal materials or medical plastic materials, the cost of the metal and plastic materials is low, and the manufacturing process is simple.

Example 2 Knee replacement balancer combining osteotomy measurement and gap balancing techniques

The setting platform 1 is provided with a connecting plate groove 11 for accommodating the bottom of the connecting plate 33, and the shape of the connecting plate groove 11 is consistent with that of the connecting plate 33. This arrangement can achieve the connection efficiently. Set up platform 1 and connecting plate 33 built-up connection, connecting plate 33 bottom sets up 2 screw holes 111, sets up the screw hole 111 that runs through the setting in the bottom of connecting plate groove 11, connects screw hole 111 on connecting plate 33 and the connecting plate groove 11 through the screw, and then realizes setting up the combination of platform 1 and connecting plate 33.

The connecting plate groove 11 comprises a large extending groove 112 and two protruding grooves 113 at the front end, and 1-2 fixing screw holes 111 are arranged in the extending groove 112; the bottom of the corresponding connecting plate 33 is provided with an extending section 331 and a protruding section 332; in combination, the protruding section 331 is disposed in the protruding groove 112, the protruding section 332 is disposed in the protruding groove 113, and the screw holes 111 are connected by screws.

The setting platform 1 is provided with a connecting plate groove 11. The setting operation of one is simple.

The horizontal slot 114 is further provided with an arcuate projection 116 away from the handle 41, the arcuate projection 116 reducing trauma to the femur or the femur when inserted. The height of the arc-shaped protrusion 116 is higher than the height of the side wall of the horizontal slot 114, and this arrangement can effectively prevent the position of the inter-flexion measuring plate 43 from moving when it is fixed.

The buckling clearance measuring structure 4 is specially arranged and comprises a handle 41 and a buckling clearance measuring platform 42 integrally connected with the handle 41; the measurement configuration of the flexion gap measurement platform 42 is set to different thicknesses to obtain a corresponding equal flexion-extension gap and a good patella track. The setting platform 1 is connected with the handle 41 and the four-in-one osteotomy module setting structure 3 in a combined mode, and the setting platform 1 with the proper thickness is selected to be combined with the handle 41 and the four-in-one osteotomy module.

The four-in-one osteotomy module setting structure 3 is a plate-shaped structure which is vertical to the setting platform 1 and comprises a flat plate structure 32 arranged on one side or two sides and a groove opening 31 connected with the flat plate structure 32 on one side or two sides

A moiety; and a connecting plate 33 for connecting the setting platform 1 and the flat plate structure 32 is arranged below the flat plate structure 32 on at least one side. The both sides set up the definite that can better realization carries out four unification osteotomy modules from thighbone both ends, and the unilateral setting also can realize the function but the degree of difficulty is a little bit.

The flat structure 32 is a circular structure, and the part with the notch 31 is a plate with the notch 31; the single-side flat plate structure 32 is provided with 8 four-in-one osteotomy module model limiting insertion holes with different sizes. And dimension labels are marked beside different jacks, so that the rotation of the insertion needle or the nail can be conveniently completed at the highest speed. The reference numbers set the jack reference numbers according to the difference of the sizes and parameters of the knee joint prosthesis involved in clinic. One of the labels is: 1.5; 2; 2.5; 3; 4; 5; 6. the horizontal section 22 of the osteotomy measuring structure 2 comprises two small sections with different thicknesses, wherein the thickness of the front end is smaller than that of the rear end, and the horizontal section 22 can be conveniently stretched into the horizontal section by the arrangement, so that certain strength can be kept, and the risk of bending is reduced.

The vertical section 21 of the osteotomy amount measuring structure 2 is cylindrical, the diameter of the vertical section is consistent with the thickness of the notch 31, the vertical section 21 can be conveniently rotated in the notch 31 by the arrangement, the rotation measurement is realized, the amount of osteotomy at two ends of the femur can be known as soon as possible by rotation, and the measurement can be carried out without moving to the position corresponding to the position of the femur.

EXAMPLE 3 Knee Joint replacement balancer combining osteotomy measurement and gap balancing techniques

The buckling clearance measuring structure 4 is specially arranged and comprises a handle 41 and a buckling clearance measuring platform 42 integrally connected with the handle 41; the measurement configuration of the flexion gap measurement platform 42 is set to different thicknesses to obtain a corresponding equal flexion-extension gap and a good patella track.

Set up the unchangeable platform 1 that sets up of thickness, set up platform 1 and handle 41 and four unification and cut bone module and set for 3 built-up connections or a body coupling of structure, set up the measurement flexion clearance that sets up different thickness on the platform 1 and the balanced measurement board 43 of soft tissue, measure board 43 and set up platform 1 built-up connection, this kind of setting will measure board 43 and change and can accomplish the use as long as when using.

The setting platform 1 is provided with two connecting plate grooves 11 which are arranged by taking the handle 41 as a symmetry axis; the connection plate 33 is disposed in one of the connection plate grooves 11 as needed.

The measurement plate 43 for measuring the flexion gap and the soft tissue balance is provided on the side of the connection plate groove 11 where the connection plate 33 is not provided. Set up the horizontal groove 114 perpendicular with handle 41 direction in setting up platform 1 second end position, set up the screw hole 111 of connecting measurement board 43 in the horizontal groove 114, correspond on the measurement board 43 and set up screw hole 111, through the screw connection buckling clearance measurement board 43 with set up platform 1.

EXAMPLE 4 Knee replacement balancer combining osteotomy measurement and gap balancing techniques

A notch 115 is arranged in the middle of the setting platform 1, and the horizontal groove 114 and the connecting plate groove 11 are divided into two parts by the notch 115 with the handle 41 as a symmetry axis.

The above description of the embodiments is only for the understanding of the present invention. It should be noted that modifications could be made to the invention without departing from the principle of the invention, which would also fall within the scope of the claims of the invention.

Claims

1. A knee joint replacement balancer combining a measurement osteotomy and a gap balancing technology comprises an osteotomy amount and a four-in-one osteotomy module setting instrument; the bone cutting amount and four-in-one bone cutting module setting instrument is characterized by comprising a handle, a setting platform, a bone cutting amount measuring structure and a four-in-one bone cutting module setting structure; the handle is connected with the setting platform, a four-in-one osteotomy module setting structure perpendicular to the upper plane of the setting platform is arranged on the setting platform, and the length of the setting platform is greater than the width of the four-in-one osteotomy module setting structure; the four-in-one osteotomy module setting structure comprises a part with a notch, and an osteotomy quantity measuring structure with a right-angled bend is arranged in the notch; the osteotomy measuring structure comprises a vertical section and a horizontal section; the vertical section of the osteotomy amount measuring structure is arranged in the notch, and the horizontal section is a structure which is used for extending out to find the edge of the femur and then measuring the osteotomy amount through the vertical section; the four-in-one osteotomy module setting structure comprises a flat plate structure with different four-in-one osteotomy module inserting holes, and the first end of the setting platform is a connecting handle end; the setting platform is a rectangular platform and is connected with the handle through a triangular connecting structure.

2. The knee replacement balancer of claim 1, wherein the thickness of the triangular connection structure is thinner than the platform.

3. The knee replacement balancer of claim 1, wherein the flexion gap measurement structure comprises a handle and a flexion gap measurement platform integrally connected to the handle.

4. The knee replacement balancer of claim 1, wherein different thickness setting platforms are provided, the anterior of the setting platforms being used to measure flexion gap.

5. The knee joint replacement balancer of claim 1, wherein the setting platform is a platform with a constant thickness, the setting platform is connected to the handle and the four-in-one osteotomy module setting structure in a combined or integrated manner, the setting platform is provided with a measuring plate for measuring the flexion gap and the soft tissue balance, and the measuring plate is connected to the setting platform in a combined manner.

6. The knee joint replacement balancer of claim 5, wherein the four-in-one osteotomy module setting structure is a plate-shaped structure perpendicular to the setting platform, and comprises a plate structure disposed on one or both sides and a notched portion connecting the plate structure on one or both sides; and a connecting plate for connecting the setting platform and the flat plate structure is arranged below the flat plate structure on at least one side.

7. The knee replacement balancer of claim 6, wherein the platform is provided with a connecting plate slot for receiving the bottom of the connecting plate, the connecting plate slot having a shape corresponding to the connecting plate.

8. The knee joint replacement balancer of claim 5, wherein a horizontal slot perpendicular to the handle is provided at the second end of the platform, a screw hole is provided in the horizontal slot for connecting the measurement plate, a screw hole is correspondingly provided in the flexion gap measurement plate, and the flexion gap measurement plate and the platform are connected by screws.

9. The knee replacement balancer of any one of claims 1-8, wherein the horizontal section of the osteotomy gauge includes two segments of different thicknesses, wherein the anterior end has a smaller thickness than the posterior end.

10. The knee replacement balancer of claim 9, wherein the vertical section of the osteotomy gauge is a moving plate having a thickness corresponding to the thickness of the notch, or the vertical section of the osteotomy gauge is provided in a cylindrical shape having a diameter corresponding to the thickness of the notch.