CN111839823B

CN111839823B - Tibia test operation tool system with multiple verification functions

Info

Publication number: CN111839823B
Application number: CN202010904600.6A
Authority: CN
Inventors: 闵信群; 毛联甲; 王健; 魏崇斌; 黄仁宏; 江伟
Original assignee: Tianyan Medical Equipment Co ltd
Current assignee: Tianyan Medical Equipment Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2022-12-23
Anticipated expiration: 2040-09-01
Also published as: CN111839823A

Abstract

The invention discloses a tibia trial model operation tool system with multiple verification, which comprises a tibia platform base plate, wherein a gasket trial model is arranged at the upper end of the tibia platform base plate, the gasket trial model is provided with a thickening cushion block, the tibia platform base plate is matched with the gasket trial model in a clamping mode, and the gasket trial model cushion block is matched with the tibia gasket trial model in a clamping mode.

Description

Tibia test operation tool system with multiple verification functions

Technical Field

The invention relates to the technical field of knee joint replacement instruments, in particular to a tibia trial operation tool system with multiple verifications.

Background

The artificial knee joint replacement in China is started later, TCP (total condylar) type prostheses are imitated in the 80 s, a small number of clinical reports exist, and on the basis, the anatomical knee joint prostheses fixed by bone cement are designed and developed according to the normal anatomical data of the knee joints of Chinese people. In the total knee replacement, a doctor needs to use a tibia test model and a condyle test model to measure whether a flexion-extension gap after knee osteotomy is proper or not so as to evaluate whether the osteotomy amount and the osteotomy direction are accurate or not, and meanwhile, the specification and the size of a tibia prosthesis are determined, whether a lower limb force line is accurate or not, whether soft tissues are balanced or not and whether the stability and the mobility are guaranteed or not are evaluated.

The defects and shortcomings of the prior art:

1. at present, most of existing tibia test molds are adaptive to single specifications, the number is large, the selection is difficult, the universal matching use of multiple specifications cannot be met, the types of instruments are more, the time consumed in the operation is large, the operation time is prolonged, and the operation risk is increased;

2. at present, most of knee joint surgical instruments tibia trial systems can only meet the verification of doctors after primary osteotomy, and secondary verification or tertiary verification cannot be carried out due to the problems of bone nail interference, osteotomy dislocation, artificial bone implantation and the like, so that if the problems of osteotomy dislocation and the like occur in the operation, the risk of operation failure can be increased.

The invention discloses a tibia trial model operation tool system with multiple verification, which mainly realizes multiple verification in an operation process through a simple structure and a matching mode, reduces operation risks, improves operation efficiency and reduces operation time.

Disclosure of Invention

The invention aims to provide a tibia trial model operation tool system with multiple verifications to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a from shin bone examination mould surgical tool system of taking multiple verification, includes the shin bone platform base plate, the shape and the shin bone of shin bone platform base plate hold in the palm the false body unanimously, shin bone platform base plate upper end is provided with gasket examination mould cushion, gasket examination mould cushion is used for increasing the thickness of shin bone gasket examination mould to the different osteotomy volume of adaptation, gasket examination mould cushion upper end is provided with shin bone gasket examination mould, the shape and the shin bone liner of shin bone gasket examination mould are unanimous, shin bone platform base plate and gasket examination mould cushion joint adaptation, gasket examination mould cushion and shin bone gasket examination mould joint adaptation, shin bone platform base plate and gasket examination mould cushion, shin bone gasket examination mould cooperation can be after shin bone osteotomy, shin bone platform set up the wing groove after, the shin bone support false body installation accuracy of verifying the installation of knee joint false body, the stability and the mobility of knee joint, the equilibrium degree of soft tissue etc. guarantee the accuracy of operation, improve the success rate, reduce postoperative risk.

Preferably, the one end that tibial plateau base plate upper end and outside condyle, inboard condyle correspond is provided with the swallow tail groove, one side that the swallow tail groove was kept away from to tibial plateau base plate upper end is provided with the lug, the position that the swallow tail groove of gasket examination mould cushion lower extreme and tibial plateau base plate corresponds is provided with a swallow tail reason protruding, the position that tibial plateau base plate swallow tail groove corresponds of tibial plateau base plate examination mould is provided with No. two swallow tail reason protruding, the one end that a swallow tail reason was kept away from to gasket examination mould cushion, tibial plateau base plate examination mould keep away from No. two swallow tail reason protruding one end and lug joint, the above-mentioned cooperation mode between tibial plateau base plate and the gasket examination mould cushion, between tibial plateau base plate and the tibial plateau pad examination mould.

Preferably, the middle part of the tibial plateau base plate is provided with a wing blade slot, and the wing blade slot is matched with the plateau drill bushing and the wing blade and is used for forming a wing-shaped slot on the tibial plateau so as to install the tibial plateau support.

Preferably, two countersunk head cap nail holes are formed in the tibial platform substrate between the dovetail edge groove and the wing cutter groove, the countersunk head cap nails are driven into the countersunk head cap nail holes and used for initially fixing the tibial platform substrate on a tibial platform, and meanwhile, part of the heads of the countersunk head cap nails are hidden in the countersunk head cap nail holes through the countersunk head cap nail holes, so that the gasket test die cushion block or the tibial gasket test die and the tibial platform substrate are prevented from interfering, oblique cap nail holes are formed in one side of the tibial platform substrate, which is positioned at the lug, and the countersunk head nails are driven into the oblique cap nail holes and used for being matched with the cap nails in the countersunk head cap nail holes to three-dimensionally fix the tibial platform substrate on the tibial platform.

Preferably, the lower extreme of gasket examination mould cushion, shin bone gasket examination mould all is provided with the straight nail and dodges the groove with the position that countersunk head cap nail hole corresponds, countersunk head cap nail hole in the head another part of the head of cap nail hide in the straight nail dodge the groove, prevent that gasket examination mould cushion or shin bone gasket examination mould and shin bone platform base plate from taking place to interfere, the position that gasket examination mould cushion, shin bone gasket examination mould and slant cap nail hole correspond is provided with the oblique nail and dodges the groove, the head of cap nail exposes outside the shin bone platform base plate in the slant cap nail hole, and the oblique nail dodges the groove and prevents that gasket examination mould cushion or shin bone gasket examination mould and shin bone platform base plate from taking place to interfere.

Preferably, a force line aligning line is arranged on one side, away from the oblique cap nail hole, of the lug on the tibial plateau base plate, the force line aligning line is matched with the force line rod, whether the force lines are aligned or not can be determined, and deviation of the osteotomy angle is prevented.

Preferably, the outer end of lug is provided with the handle interface, the handle interface is used for with connect the handle soon and connect, connects the handle soon and connects behind the tibial plateau base plate, can hand the handle of connecing soon and arrange the tibial plateau base plate in on the tibial plateau and fix, connects soon simultaneously and sets up the power line pole on the handle, and whether the angle of observing power line pole and power line between the alignment line can judge the osteotomy direction accurate.

Preferably, a holding hole is formed in one side of the upper end of the tibial gasket trial mold and used for being connected with the gasket trial mold holder, and after the gasket trial mold holder is connected with the tibial gasket trial mold, the tibial gasket trial mold can be placed on the tibial platform base plate by holding the gasket trial mold holder in hand.

Preferably, shin bone gasket examination mould lower extreme middle part is provided with the filling up piece mating holes, the position that gasket examination mould cushion upper end and filling up piece mating holes correspond is provided with the stand, mutual block between stand and the filling up piece mating holes is joined in marriage, can connect gasket examination mould cushion and shin bone gasket examination mould, the rubber circle has been cup jointed on the stand, the rubber circle is used for further fastening the block between stand and the filling up piece mating holes to join in marriage, the position that No. two forked tail edges of gasket examination mould cushion upper end and shin bone gasket examination mould are protruding corresponds is provided with the arc along protruding, the arc is along protruding to be used for coordinating No. two forked tail edges and is protruding to fill the scarce position of shin bone gasket examination mould together.

Preferably, the gasket trial mold cushion block, the tibial gasket trial mold and the lower side of the outer edge corresponding to the dovetail edge groove on the tibial platform base plate are inclined plane sections, the inclined plane sections can guide the gasket trial mold cushion block and the tibial gasket trial mold to be installed from the right end to the left end of the tibial platform base plate, and meanwhile the inclined plane sections are convenient to detach the gasket trial mold cushion block, the tibial gasket trial mold and the tibial platform base plate by using tools.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the tibia trial model operation tool system with multiple verification, the tibia platform base plate, the gasket trial model cushion block and the tibia gasket trial model are matched, so that the accuracy of knee joint prosthesis installation, the stability and the mobility of a knee joint, the balance of soft tissues and the like can be verified for three times after tibia osteotomy, tibia platform opening wing grooves and tibia tray prosthesis installation, the accuracy of operation is ensured, the success rate of operation is improved, and postoperative risks are reduced;

2. the countersunk head cap nail hole on the tibial platform substrate hides one part of the head of the cap nail in the countersunk head cap nail hole, the straight nail avoiding groove on the gasket test mould cushion block and the tibial gasket test mould hides the other part of the head of the cap nail in the straight nail avoiding groove, so that the gasket test mould cushion block or the tibial gasket test mould is prevented from interfering with the tibial platform substrate, the gasket test mould cushion block or the tibial gasket test mould and the tibial platform substrate are in close fit, the stability and the bending and stretching clearance of the knee joint prosthesis test mould are verified, the bone cutting amount and the bone cutting direction are evaluated to be accurate, the specification and the size of the tibial prosthesis are determined at the same time, the lower limb force line is evaluated to be accurate, the soft tissues are balanced, and the stability and the mobility are guaranteed;

3. cap nails are driven into oblique cap nail holes arranged on the tibial platform base plate and are matched with the cap nails in the countersunk head cap nail holes, so that the tibial platform base plate can be fixed on the tibial platform in a three-dimensional manner, the tibial platform base plate is prevented from being deviated due to the beating action when the wing-shaped groove is formed, and the knee joint prosthesis is prevented from being installed and deviated;

4. the oblique nail avoiding grooves are formed in the gasket trial mold cushion block and the tibial gasket trial mold, so that the gasket trial mold cushion block or the tibial gasket trial mold and the tibial platform base plate are prevented from interfering, the gasket trial mold cushion block or the tibial gasket trial mold and the tibial platform base plate are in close fit, and the stability, the flexion and extension gaps and the like of the knee joint prosthesis trial mold are verified;

5. the force line alignment line is arranged on the tibial plateau base plate, and whether the force lines are aligned or not can be confirmed by matching with the force line rod, so that the deviation of the osteotomy angle is prevented;

6. the inclined plane section arranged on the gasket test mould cushion block and the tibia gasket test mould can guide the gasket test mould cushion block and the tibia gasket test mould to be installed from one side of the tibia platform base plate to the other side, and meanwhile, the inclined plane section is convenient for disassembling the gasket test mould cushion block, the tibia gasket test mould and the tibia platform base plate by using tools.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of a tibial trial surgical tool system with multiple validations of the present invention;

FIG. 2 is a perspective view of a tibial plateau baseplate of the present invention;

FIG. 3 is a first perspective view of a first spacer trial spacer of the present invention;

FIG. 4 is a second perspective view of a spacer trial mold spacer of the present invention;

FIG. 5 is a first perspective view of a tibial insert trial of the present invention;

FIG. 6 is a second perspective view of a tibial insert trial of the present invention;

FIG. 7 is a cross-sectional view of a tibial trial surgical tool system with multiple verification of the present invention;

FIG. 8 is a perspective view of the tibial plateau baseplate in cooperation with the plateau drill sleeve and the fence of the present invention;

FIG. 9 is a perspective view of a tibial trial surgical tool system with multiple verification of the present invention in cooperation with a quick connect handle and force line rod;

fig. 10 is a perspective view of the tibial insert trial and insert trial holder of the present invention in combination.

In the figure: 1. a tibial plateau baseplate; 2. testing a die cushion block for a gasket; 3. testing a tibia gasket; 4. dovetail edge grooves; 5. a bump; 6. a first dovetail flange; 7. a second dovetail flange is convex; 8. a wing blade slot; 9. countersunk head cap nail holes; 10. oblique cap nail holes; 11. a straight nail avoidance groove; 12. the oblique nail avoidance groove; 13. aligning the force lines with the lines; 14. a handle interface; 15. a holding hole; 16. a patch mating hole; 17. a column; 18. a rubber ring; 19. the arc-shaped edge is convex; 20. a slope section; 21. a platform drill bushing; 22. a winged knife; 23. a quick-connect handle; 24. a force wire rod; 25. a gasket trial holder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1, the present invention provides the technical solution: the utility model provides a from shin bone examination mould operation instrument system of taking multiple verification, including shin bone platform base plate 1, the shape and the shin bone of shin bone platform base plate 1 are held in the palm the false body unanimously, shin bone platform base plate 1 upper end is provided with gasket examination mould cushion 2, gasket examination mould cushion 2 is used for increasing the thickness of shin bone gasket examination mould 3, in order to adapt to different osteotomy volume, gasket examination mould cushion 2 upper end is provided with shin bone gasket examination mould 3, the shape and the shin bone gasket liner of shin bone gasket examination mould 3 are unanimous, shin bone platform base plate 1 and gasket examination mould cushion 2 joint adaptation, gasket examination mould cushion 2 and shin bone gasket examination mould 3 joint adaptation, shin bone gasket examination mould cushion 3 cooperation can be after the shin bone is cut, after the shin bone platform is seted up the wing groove, the shin bone false body holds in the back and three times verify the accuracy of knee joint false body installation, the stability and the mobility of knee joint, the equilibrium degree of soft tissue etc., ensure the accuracy of operation, improve the operation success rate, reduce postoperative risk.

As shown in fig. 2, 4, 6, the upper end of the tibial plateau base plate 1 and the lateral condyle, the end corresponding to the medial condyle is provided with a dovetail edge groove 4, one side of the upper end of the tibial plateau base plate 1, which is far away from the dovetail edge groove 4, is provided with a bump 5, the lower end of the shim test mold cushion block 2 and the position corresponding to the dovetail edge groove 4 of the tibial plateau base plate 1 are provided with a dovetail edge protrusion 6, the position corresponding to the dovetail edge groove 4 of the tibial plateau base plate 1 is provided with a dovetail edge protrusion 7, the end of the shim test mold cushion block 2, which is far away from the dovetail edge protrusion 6, the end of the tibial shim test mold block 3, which is far away from the dovetail edge protrusion 7, is clamped with the bump 5, the above is the matching mode between the tibial plateau base plate 1 and the shim test mold cushion block 2, and between the tibial plateau base plate 1 and the tibial shim test mold 3.

As shown in fig. 2, a blade slot 8 is provided in the middle of the tibial plateau base plate 1, and as shown in fig. 8, the blade slot 8 cooperates with the plateau drill sleeve 21 and the blade 22 for forming a blade slot in the tibial plateau for mounting the tibial plateau tray.

As shown in fig. 2, two countersunk head cap nail holes 9 are formed in the tibial plateau base plate 1 between the dovetail edge groove 4 and the wing cutter groove 8, as shown in fig. 7, cap nails are driven into the countersunk head cap nail holes 9 for initially fixing the tibial plateau base plate 1 on the tibial plateau, meanwhile, the countersunk head cap nail holes 9 hide part of the heads of the cap nails in the countersunk head cap nail holes 9, so as to prevent the gasket trial mold cushion block 2 or the tibial gasket trial mold 3 from interfering with the tibial plateau base plate 1, an inclined cap nail hole 10 is formed in one side of the tibial plateau base plate 1 located at the bump 5, and cap nails are driven into the inclined cap nail hole 10 for matching with the cap nails in the countersunk head cap nail holes 9 to three-dimensionally fix the tibial plateau base plate 1 on the tibial plateau.

As shown in fig. 4 and 6, straight nail avoiding grooves 11 are formed in the positions, corresponding to the countersunk head cap nail holes 9, of the lower ends of the gasket trial mold cushion block 2 and the tibial gasket trial mold 3, as shown in fig. 7, the other part of the head of the cap nail in the countersunk head cap nail hole 9 is hidden in the straight nail avoiding groove 11, so that the gasket trial mold cushion block 2 or the tibial gasket trial mold 3 is prevented from interfering with the tibial platform base plate 1, and oblique nail avoiding grooves 12 are formed in the positions, corresponding to the oblique head cap nail holes 10, of the gasket trial mold cushion block 2 and the tibial gasket trial mold 3, as shown in fig. 7, so that the head of the cap nail in the oblique head cap nail hole 10 is exposed out of the tibial platform base plate 1, and the oblique nail avoiding grooves 12 prevent the gasket trial mold cushion block 2 or the tibial gasket trial mold 3 from interfering with the tibial platform base plate 1.

As shown in fig. 2, a force line alignment line 13 is disposed on the side of the tibial plateau base plate 1 away from the oblique nail hole 10 of the projection 5, and as shown in fig. 9, the force line alignment line 13 cooperates with the force line rod 24 to determine whether the force lines are aligned, so as to prevent the osteotomy angle from deviating.

As shown in fig. 2, the handle interface 14 is arranged at the outer end of the bump 5, as shown in fig. 9, the handle interface 14 is used for being connected with the quick-connection handle 23, after the quick-connection handle 23 is connected with the tibial plateau substrate 1, the quick-connection handle 23 can be held by hand to place the tibial plateau substrate 1 on the tibial plateau for fixing, meanwhile, the quick-connection handle 23 is provided with a force line rod 24, and whether the osteotomy direction is accurate or not can be judged by observing the angle between the force line rod 24 and the force line alignment line 13.

As shown in fig. 5 and 6, a holding hole 15 is formed in one side of the upper end of the tibial insert trial mold 3, as shown in fig. 10, the holding hole 15 is used for being connected with an insert trial holder 25, and after the insert trial holder 25 is connected with the tibial insert trial mold 3, the tibial insert trial mold 3 can be placed on the tibial plateau base plate 1 by holding the insert trial holder 25.

As shown in fig. 3 and 6, a patch matching hole 16 is formed in the middle of the lower end of the tibial gasket test mold 3, a stand column 17 is arranged at the position, corresponding to the patch matching hole 16, of the upper end of the gasket test mold cushion block 2, a rubber ring 18 is sleeved on the stand column 17, the rubber ring 18 is used for further fastening the clamping between the stand column 17 and the patch matching hole 16, an arc-shaped edge protrusion 19 is arranged at the position, corresponding to the second dovetail edge protrusion 7 of the tibial gasket test mold cushion block 2, of the upper end of the gasket test mold cushion block 3, and the arc-shaped edge protrusion 19 is used for matching the second dovetail edge protrusion 7 to complete the missing position of the tibial gasket test mold 3.

As shown in fig. 7, the lower side of the outer edge corresponding to the dovetail groove 4 on the shim test mold cushion block 2, the tibial shim test mold 3 and the tibial plateau base plate 1 is a slope section 20, the slope section 20 can guide the shim test mold cushion block 2 and the tibial shim test mold 3 to be installed from the right end to the left end of the tibial plateau base plate 1, and the slope section 20 facilitates the disassembly of the shim test mold cushion block 2, the tibial shim test mold 3 and the tibial plateau base plate 1 by using a tool.

The working principle of the invention is as follows: after the tibia is osteotomy, the quick-connection handle 23 is connected with the tibial plateau substrate 1 through the handle interface 14, and then cap nails are placed in the countersunk head cap nail holes 9 and the oblique cap nail holes 10 to fix the tibial plateau substrate 1 on the tibial plateau in a three-dimensional manner; then, the tibial gasket trial model 3 and the tibial platform base plate 1 are clamped (if the thickness of the tibial gasket trial model 3 is insufficient, the gasket trial model cushion block 2 and the tibial gasket trial model 3 with proper specifications can be connected, namely, the upright post 17 and the rubber ring 18 are placed in the patch matching hole 16 to determine a proper tibial prosthesis trial model), namely, the gasket trial model holder 25 is inserted into the holding hole 15 to connect the gasket trial model holder 25 and the tibial gasket trial model 3, then the tibial gasket trial model 3 is pushed to the other side from one side to clamp the second dovetail edge flange 7 and the dovetail edge groove 4, one end of the tibial gasket trial model 3, which is far away from the second dovetail edge flange 7, is clamped into the flange, the straight nail avoiding groove 11 avoids the head of a cap nail in the countersunk head cap nail hole 9 in the clamping process, the inclined nail avoiding groove 12 avoids the head of a cap nail in the inclined cap nail hole 10, and the tibial gasket trial model 3 (or the gasket trial model cushion block 2) and the tibial platform base plate 1 are prevented from interfering;

after the tibial plateau substrate 1 and the tibial gasket trial model 3 (and the gasket trial model cushion block 2) are installed, first verification is carried out, whether the lower limb force line is accurate or not can be evaluated by observing the force line rod 24 and the force line alignment line 13 on the quick-connection handle 23, and then a doctor judges the stability and the flexion-extension clearance of the fit of the tibial trial model and the femoral condyle or condyle trial model through experience so as to evaluate whether the osteotomy amount and the osteotomy direction are accurate or not and simultaneously determines whether the specification size, the soft tissue and the stability and the mobility of the tibial prosthesis are balanced or not;

after the first verification is completed, the tibial gasket test mold 3 (and the gasket test mold cushion block 2) is disassembled, the tibial platform base plate 1 is left on the tibial platform, the platform drill bushing 21 and the wing knife 22 are connected, the wing knife 22 is knocked down by using a tool, the wing knife 22 enters the tibial medullary cavity through the guide of the wing knife slot 22 to be provided with an airfoil-shaped hole, and the tibial platform base plate 1 and the tibial platform are likely to deviate in the knocking process, so that the second verification is required, namely the tibial gasket test mold 3 (and the gasket test mold cushion block 2) are installed on the tibial platform base plate 1 provided with the airfoil-shaped hole to perform the second verification, and whether the wing deviates or not is verified, and whether the lower limb force line is still accurate or not is verified;

after the second verification is completed, the tibial platform base plate 1 and the tibial gasket test mould 3 (and the gasket test mould cushion block 2) are detached, the tibial platform support prosthesis is installed on the tibial platform through the wing-shaped hole for the third verification, namely, the tibial gasket test mould 3 (and the gasket test mould cushion block 2) is installed on the tibial platform support prosthesis to confirm whether the specification and the model of the tibial gasket test mould 3 (and the gasket test mould cushion block 2) are accurate or not;

multiple verification in the operation ensures the accuracy of the operation and increases the success rate of the operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a from shin bone examination mould operation tool system of taking multiple verification which characterized in that: the tibia platform comprises a tibia platform base plate (1), wherein a gasket trial mold cushion block (2) is arranged at the upper end of the tibia platform base plate (1), a tibia gasket trial mold (3) is arranged at the upper end of the gasket trial mold cushion block (2), the tibia platform base plate (1) and the gasket trial mold cushion block (2) are in clamping fit, and the gasket trial mold cushion block (2) and the tibia gasket trial mold (3) are in clamping fit;

a patch matching hole (16) is formed in the middle of the lower end of the tibia gasket test mould (3), a stand column (17) is arranged at the position, corresponding to the patch matching hole (16), of the upper end of the gasket test mould cushion block (2), a rubber ring (18) is sleeved on the stand column (17), and an arc-shaped edge protrusion (19) is arranged at the position, corresponding to the second dovetail edge protrusion (7) of the tibia gasket test mould (3), of the upper end of the gasket test mould cushion block (2);

the tibia platform base plate is characterized in that a dovetail edge groove (4) is formed in one end, corresponding to the lateral condyle and the medial condyle, of the upper end of the tibia platform base plate (1), and the lower sides of the outer edges, corresponding to the dovetail edge grooves (4) in the gasket trial die cushion block (2), the tibia gasket trial die (3) and the tibia platform base plate (1), are inclined surface sections (20).

2. The tibial trial surgical tool system with multiple validations of claim 1, wherein: one side of keeping away from dovetail groove (4) in tibial plateau base plate (1) upper end is provided with lug (5), the position that dovetail groove (4) of gasket examination mould cushion (2) lower extreme and tibial plateau base plate (1) correspond is provided with dovetail flange (6) No. one, the position that dovetail groove (4) of tibial plateau base plate (1) correspond of tibial plateau pad examination mould (3) and tibial plateau base plate (1) is provided with No. two dovetail flange (7), the one end of a dovetail flange (6) is kept away from in gasket examination mould cushion (2), one end and lug (5) joint of No. two dovetail flange (7) are kept away from in tibial plateau pad examination mould (3).

3. The tibial trial surgical tool system with multiple validations of claim 1, wherein: the middle part of the tibial plateau base plate (1) is provided with a wing knife groove (8).

4. The tibial trial surgical tool system with multiple validations of claim 1, wherein: be provided with two countersunk head cap nail holes (9) on tibial plateau base plate (1) between dovetail edge groove (4) and wing knife groove (8), one side that lies in lug (5) on tibial plateau base plate (1) is provided with slant cap nail hole (10).

5. The tibial trial surgical tool system with multiple validations of claim 1, wherein: the positions of the lower ends of the gasket test mold cushion block (2) and the tibia gasket test mold (3) corresponding to the countersunk head cap nail holes (9) are provided with straight nail avoiding grooves (11), and the positions of the gasket test mold cushion block (2) and the tibia gasket test mold (3) corresponding to the oblique head cap nail holes (10) are provided with oblique nail avoiding grooves (12).

6. The tibial trial surgical tool system with multiple validations of claim 1, wherein: and a force line alignment line (13) is arranged on one side, away from the inclined cap nail hole (10), of the lug (5) on the tibial plateau base plate (1).

7. The tibial trial surgical tool system with multiple validations of claim 2, wherein: the outer end of the lug (5) is provided with a handle interface (14).

8. The tibial trial surgical tool system with multiple validations of claim 1, wherein: and a holding hole (15) is formed in one side of the upper end of the tibial gasket trial mold (3).