CN206151528U - Aided adjustment ware is used in joint replacement - Google Patents

Abstract

The utility model provides an aided adjustment ware is used in joint replacement, including the body, be equipped with at least a pair of basic hole and a plurality of to the access on the body, interval setting between the mated basic hole makes it be suitable for simultaneously the laminating cover to establish on the staple of planning the adjustment, the minimum a pair of access of differential seat angle between the circle center connection line of circle center connection line and mated basic hole, the differential seat angle between the circle center connection line of its circle center connection line and mated basic hole is 2 to the maximum, differential seat angle between the circle center connection line of two pairs of proximate accesses of degree of inclination is 2 to the maximum. The utility model discloses an aided adjustment ware is used in joint replacement predicts with the people's eye among the prior art and compares, more easily hold, and the ability control error is within 2, the basis is regarded as to two staples finishing with the adjustment, and two tangent planes are with to lead to the condyle line parallel basically around can the effective control, and avoiding appearing before the thighbone hypocondyle outward turning, to cut the bone improper, realizes accurate section bone, the improvement clinical efficacy.

Description

A kind of joint replacement auxiliary adjuster

Technical field

The utility model is related to total knee replacement technical field of medical instruments, and in particular to a kind of joint replacement is with auxiliary Help adjuster.

Background technology

With making constant progress for medical technology, artificial knee replacement surgery becomes the normal for the treatment of pathologic changes of knee joint One of rule treatment method.Artificial knee joint replacement is the joint that disease damage is substituted using artificial joint prosthesis, to recover and improve pass Section function, improves the quality of living.Due to artificial knee joint replacement short treating period, pain of alleviation effect substantially, is more and more cured Trouble is received.In total knee replacement, need to carry out osteotomy to DF, artificial joint prosthesis are installed to obtain Femur model, as shown in figure 1, carrying out osteotomy to row DF first, forms a vertical tangent plane a, then forms two and is somebody's turn to do Vertical tangent plane a vertical side grain b, re-forms scarf c between vertical tangent plane a and side grain b, with the inside with artificial joint prosthesis Installing space is adapted, convenient to install.

In order to obtain the balance that knee joint stretches gap of going down on one's knees, in addition it is also necessary to make upper and lower two side grains logical with joint to be replaced Condyle line is parallel, i.e., parallel with the line d in Fig. 2.In order to reach this purpose, usually first in the vertical tangent plane a subscripts in joint to be replaced Line d is made, then again on the basis of line d, above-mentioned two side grain b is cut out.In order to calibrate line d on vertical tangent plane a Parallel lines, frequently with the calibration tool shown in Fig. 3 in prior art, calibration tool has main body 01 and fixes with main body 01 Collet 02 together, is additionally provided with two through holes 03 in main body 01；During demarcation, first the extruding of collet 02 is adjacent to and is fixed on diagram At femoral-posterior condyles, two fixed nails 04 are then hammered at through hole 03, after calibration tool is removed, fixed nail 04 stays in be replaced On joint, the line of two fixed nails 04 is the parallel lines of line d.

This calibration tool of the prior art, be according to the special angle generally having between collet 02 and logical condyle line come Realize, but the joint of different patients is not exclusively, the special angle between collet 02 and logical condyle line is also different.When When adopting above-mentioned calibration tool and going to demarcate the joint of different patients with same default special angle, follow closely inside two through holes 03 , often there is angular error between real logical condyle line, generally within ± 6 ° in the line of the two fixed nails 04 for entering.When When there is this error in actual operation, due to accurately not adjusting instrument, usually operative doctor is directly estimated with eyes, Substantially will remove inaccurate fixed nail 04, and then order one or two on joint to be replaced again and fix nail 04 to mark again The parallel lines of alignment d, but estimating for human eye is generally not accurate enough, the line for fixing nail 04 and lead to that human eye is hammered into again after estimating Still suffer from error between condyle line, with this line as standard remove to cut upper and lower two tangent planes when, upper and lower two tangent planes and logical condyle still occurs There is the defect of deviation in line, cause postoperative comfort level poor.

Utility model content

Therefore, the technical problems to be solved in the utility model is to overcome to work as to demarcate using calibration tool of the prior art Line d parallel lines it is not parallel with logical condyle line when, be adjusted without special adjustment instrument, need human eye to estimate, cause mark The parallel lines of fixed line d can not be parallel with logical condyle line technological deficiency, above-mentioned line d parallel lines can be carried out so as to provide one kind Accurate adjustment, so that the line demarcated consistent joint replacement parallel with logical condyle line auxiliary adjuster.

For this purpose, the utility model provides a kind of joint replacement auxiliary adjuster, including body, the body be provided with to Few a pair of datum holes and some to adjusting hole, the spacing between the paired datum hole is arranged and makes it suitable for set of fitting simultaneously It is located at the fixation for intending adjusting to nail on；

A pair of minimum adjusting holes of differential seat angle, its center of circle between the circle center line connecting of circle center line connecting and the paired datum hole Differential seat angle between the circle center line connecting of line and the paired datum hole is 2 ° to the maximum；Inclined degree is immediate any two pairs Differential seat angle between the circle center line connecting of the adjusting hole is 2 ° to the maximum；The thickness of the body is 1-5mm.

Minimum as differential seat angle between the circle center line connecting of a kind of preferred version, circle center line connecting and the paired datum hole Differential seat angle between the circle center line connecting of a pair of adjusting holes, its circle center line connecting and the paired datum hole is 1 ° to the maximum；Incline journey The differential seat angle spent between the circle center line connecting of immediate any two pairs of adjusting holes is 1 ° to the maximum.

Used as a kind of preferred version, the paired circle center line connecting of the datum hole is distinguished with two edges of the body Two reference mark positions are crossed to form, with reference mark position described at least one as angle summit, on the edge of the body It is uniformly arranged several angle marks.

As a kind of preferred version, the circle center line connecting of arbitrary paired adjusting hole and the circle of the paired datum hole Differential seat angle≤6 ° between heart line.

Used as a kind of preferred version, the adjusting hole is 6 pairs, respectively first pair adjusting hole, second pair of adjusting hole, the 3rd To adjusting hole, the 4th pair of adjusting hole, the 5th pair of adjusting hole and the 6th pair of adjusting hole, the circle center line connecting of 6 pairs of adjusting holes and institute State the angle difference between the circle center line connecting of datum hole and be followed successively by 1 °, 2 °, 3 °, 4 °, 5 ° and 6 °.

Used as a kind of preferred version, the spacing between the paired adjusting hole is arranged to make it suitable for fitting simultaneously and is arranged Nail in the fixation for intending adjustment.

As a kind of preferred version, also including some to translating hole, the circle center line connecting in the paired translation hole with it is paired The datum hole circle center line connecting it is parallel.

The joint replacement that the utility model is provided auxiliary adjuster, is marked for calibration tool in the prior art Two fixed nails lines it is not parallel with logical condyle line when, adjust the positions of two fixed nails so as to which line is accurate with logical condyle line It is parallel, with advantages below：

1. joint replacement of the present utility model auxiliary adjuster, body is provided with least one pair of datum hole and some exchanges Whole hole, paired datum hole is suitable to simultaneously laminating and is set in intend the fixation of adjustment and nail on, circle center line connecting and paired datum hole A pair of minimum adjusting holes of circle center line connecting differential seat angle, the differential seat angle between its circle center line connecting and the circle center line connecting of paired datum hole It is 2 ° to the maximum；Differential seat angle between the circle center line connecting of the immediate any two pairs of adjusting holes of inclined degree is 2 ° to the maximum.So when Two fixed nails are nailed on the vertical tangent plane in joint to be replaced using calibration tool, and the line of two fixed nails is with logical condyle line not When parallel, the utility model joint replacement can be aided in a pair of datum holes laminating of adjuster to be set in two fixations by people Nail on, then go to mark logical condyle line using ruler or other similar instruments, which circle center line connecting to adjusting hole then found out It is parallel or closest parallel with the logical condyle line coincidence for marking, find out this hammer into two fixed nails again to adjusting hole inside, Original two fixed nails are removed can obtain the line two fixed nails parallel with logical condyle line.Put in joint of the present utility model Auxiliary adjuster is used instead compared with human eye of the prior art is estimated, is more easily held, and error can be controlled within 2 °.Enter One step, circle center line connecting a pair of the adjusting holes minimum with the circle center line connecting differential seat angle of paired datum hole, its circle center line connecting are set And the differential seat angle between the circle center line connecting of paired datum hole is 1 ° to the maximum；The immediate any two pairs of adjusting holes of inclined degree Differential seat angle between circle center line connecting is 1 ° to the maximum, can will control error within 1 °, so as to substantially increase demarcation accuracy, with Based on the fixed nail of adjustment finish two, can upper and lower two tangent planes of effective control it is substantially parallel with logical condyle line, it is to avoid go out Existing eccentric wear, improves postoperative experience.

2. joint replacement of the present utility model auxiliary adjuster, the circle center line connecting of paired datum hole with two of body Edge is crossed to form respectively two reference mark positions, uniform on the edge of body with a reference mark position as angle summit It is provided with several angle marks；When the company of two hammered on the vertical tangent plane in joint to be replaced using calibration tool fixed nails Line is not parallel with logical condyle line, but when having a reference mark position substantially aligned with one end of logical condyle line, observable leads to the another of condyle line One end is corresponding with which angle mark, be then read out angle mark and reference mark differential seat angle, then find and benchmark The circle center line connecting in hole hammers into two new fixed nails to adjusting hole inside, by original into a pair of adjusting holes of equal angular difference at this The fixed nail for coming is removed, and can obtain the line two fixed nails parallel with logical condyle line.Further, edge and paired datum hole The perpendicular direction in circle center line connecting direction, datum hole becomes elongate holes along certain length is stretched, so when the two ends of logical condyle line When not aliging with any one reference mark position, direction can be stretched along the edge of datum hole and move integrally body, so that a base Quasi- marker bit aligns with one end of logical condyle line.

3. joint replacement of the present utility model auxiliary adjuster, the circle center line connecting and paired benchmark of paired adjusting hole Differential seat angle≤6 ° between the circle center line connecting in hole, angular deviation is within ± 6 ° between adjustable fixed nail line and logical condyle line Situation, is fully able to meet needs in practice.

4. with adjuster is aided in, the spacing between paired adjusting hole arranges and it is fitted joint replacement of the present utility model The fixation for being set in plan adjustment in laminating simultaneously is nailed on, so in some special occasions, can be using a pair of adjusting holes as datum hole Use.Also, the spacing between paired adjusting hole can be adapted to fit be set in and intend a pair of fixations of adjustment and nail on, when at this The spacing between spacing and original two fixed nails when new fixed nail is hammered into adjusting hole inside, between two fixed nails It is identical, it is easy to be engaged with other follow-up operating theater instruments.

5. joint replacement of the present utility model is used and aids in adjuster, also including translation hole, when the adjusting hole for searching out target Afterwards, it is possible to situation of the adjusting hole outside vertical tangent plane occur, at this moment only need to adjust hole site at a pair and hammer into two Adjustment nail, body is removed from fixed nail and adjustment nail, and original fixed nail is removed, then the another pair of body is adjusted Hole is alignd with adjustment nail, target adjustment hole is entirely fallen within vertical tangent plane, and in the target adjustment hole site two fixed nails are hammered into .

Description of the drawings

For the technical scheme in being illustrated more clearly that prior art or the utility model specific embodiment, below to existing Accompanying drawing used in having technology or specific embodiment description is briefly described, it should be apparent that, for the common skill in this area For art personnel, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is that condyle osteotomy forms side grain before and after the up DF osteotomy in joint to be replaced forms vertical tangent plane, femur And the schematic diagram of scarf.

Fig. 2 is the position view of logical condyle line.

Fig. 3 is the structural representation of calibration tool in prior art.

Fig. 4 is the top view that joint replacement aids in adjuster in the utility model embodiment.

Fig. 5 is to set up the top view surveyed after obliquity structure in the diagram.

Fig. 6 is the overall structure diagram of the body of improvement project in embodiment 3.

Fig. 7 is the structural representation of the survey obliquity structure of improvement project in embodiment 3.

Fig. 8 is the structural representation after Fig. 7 is installed on Fig. 6.

Reference：01- main bodys, 02- collets, 03- through holes, 04- fixes nail, 10- bodies, 1- datum holes, 11- angles Number, 200- reference marks position, 201- angles mark, the measurement bars of 21- first, the measurement bars of 22- second, 23- guide posts, 24- is oriented to Hole, to adjusting hole, 3- second is to adjusting hole, the 3rd pair of adjusting hole of 4-, the 4th pair of adjusting hole of 5-, the 5th pair of adjustment of 6- for 2- first Hole, the 6th pair of adjusting hole of 7-, 8- translations hole.

Specific embodiment

The technical solution of the utility model is described with reference to Figure of description, it is clear that following embodiments are not It is the whole embodiment of the utility model.Based on the embodiment described by the utility model, those of ordinary skill in the art are not having Have and make the every other embodiment obtained under the premise of other creative works, belong to protection domain of the present utility model.

It should be noted that in description of the present utility model, term " first ", " second " are only used for describing purpose, and It is not intended that indicating or implying relative importance.Additionally, involved in the utility model different embodiments disclosed below As long as and technical characteristic do not constitute each other conflict just can be combined with each other.

Embodiment 1

The present embodiment provides a kind of joint replacement auxiliary adjuster, as shown in figure 4, including body 10, the body 10 It is provided with a pair of datum holes 1 and some to adjusting hole 2,3,4,5,6,7, the spacing between the paired datum hole 1 is arranged and made Obtain it to be suitable to while the fixation that laminating is set in plan adjustment is nailed on；The circle center line connecting of circle center line connecting and the paired datum hole 1 Between minimum a pair of the adjusting holes 2 of differential seat angle, 3,4,5,6,7, the circle center line connecting of its circle center line connecting and the paired datum hole 1 Between differential seat angle be 2 ° to the maximum；The circle center line connecting of the immediate any two pairs of adjusting holes 2,3,4,5,6,7 of inclined degree Between differential seat angle be 2 ° to the maximum；The thickness of the body 10 is 1-5mm.

The joint replacement of the present embodiment auxiliary adjuster, when being followed closely on the vertical tangent plane in joint to be replaced using calibration tool Upper two fixed nails, and two fixed nails lines it is not parallel with logical condyle line when, people can use the present embodiment joint replacement The laminating of a pair of datum holes 1 of auxiliary adjuster is set in two fixations and nails on, and is then gone using ruler or other similar instruments Mark logical condyle line, then find out which circle center line connecting to adjusting hole and the logical condyle line that marks overlap or parallel, find out this Hammer into two fixed nails again to adjusting hole inside, original two fixed nail removals can be obtained into line parallel with logical condyle line Two fixed nails.The joint replacement of the present embodiment aids in adjuster compared with human eye of the prior art is estimated, more easily Hold, and error can be controlled within 2 °.Further, the circle center line connecting of circle center line connecting and the paired datum hole 1 is set Minimum a pair of adjusting holes 2 between differential seat angle, 3,4,5,6,7, the circle center line connecting of its circle center line connecting and the paired datum hole 1 Between differential seat angle be 1 ° to the maximum；The circle center line connecting of the immediate any two pairs of adjusting holes 2,3,4,5,6,7 of inclined degree Between differential seat angle be 1 ° to the maximum, can will control error within 1 °, so as to substantially increase demarcation accuracy, with adjust finish Two fixed nails based on, can upper and lower two tangent planes of effective control it is substantially parallel with logical condyle line, it is to avoid there is eccentric wear, change It is apt to postoperative experience.

The paired circle center line connecting of the datum hole 1 is crossed to form respectively two benchmark with two edges of the body 10 Marker bit 200, with reference mark position 200 described at least one as angle summit, is uniformly arranged on the edge of the body 10 Several angle marks 201.When the line of two hammered on the vertical tangent plane a in joint to be replaced using calibration tool fixed nails It is not parallel with logical condyle line, but when having a reference mark position 200 substantially aligned with one end of logical condyle line, observable leads to the another of condyle line One end is corresponding with which angle mark 201, be then read out angle mark 201 and reference mark 200 differential seat angle, then look for To the circle center line connecting with datum hole 1 into a pair of poor adjusting holes of equal angular, two are hammered into adjusting hole inside at this and new is consolidated Fixed nail, original fixed nail is removed, and can obtain the line two fixed nails parallel with logical condyle line.Further, along with into To datum hole 1 the perpendicular direction in circle center line connecting direction, datum hole becomes elongate holes along stretching certain length, so when logical When the two ends of condyle line are not alignd with any one reference mark position, direction can be stretched along the edge of datum hole and move integrally body, from And make a reference mark position align with one end of logical condyle line (not shown in this kind of conceptual scheme).

Can be to mark on the body 10, the circle center line connecting of adjusting hole described in any pair and the circle of datum hole 1 Angle difference between heart line, in order to find.

The circle center line connecting of the paired adjusting hole 2,3,4,5,6,7 and the circle center line connecting of the paired datum hole 1 it Between differential seat angle≤6 °.Situation of the angular deviation within ± 6 ° between adjustable fixed nail line and logical condyle line, in practice It is fully able to meet needs.

It is concrete that in the present embodiment the adjusting hole 2,3,4,5,6,7 is 6 pairs, respectively first pair adjusting hole 2, second To adjusting hole 3, the 3rd pair of adjusting hole 4, the 4th pair of adjusting hole 5,7,6 pairs of tune of the 5th pair of adjusting hole 6 and the 6th pair of adjusting hole Angle difference between the circle center line connecting in whole hole 2,3,4,5,6,7 and the circle center line connecting of the datum hole 1 is followed successively by 1 °, 2 °, 3 °, 4 °, 5 ° and 6 °.

Spacing between the paired adjusting hole 2,3,4,5,6,7 arranges to make it suitable for fitting simultaneously being set in be intended adjusting The whole fixation is nailed on.In some special occasions, can use a pair of adjusting holes as datum hole 1.Also, paired adjustment Spacing between hole can be adapted to fit be set in and intend a pair of fixations of adjustment and nail on, new when hammering into inside this pair of adjusting hole During fixed nail, the spacing between spacing and original two fixed nails between two fixed nails are identical, are easy to and follow-up its He is engaged operating theater instruments.

Also include some to translating hole 8, the circle center line connecting and the paired datum hole 1 in the paired translation hole 8 Circle center line connecting is parallel.After the adjusting hole of target is searched out, it is possible to situation of the adjusting hole outside vertical tangent plane occur, At this moment only need to adjust hole site at a pair and hammer into two adjustment nails, body 10 is removed from fixed nail and adjustment nail, will be original Fixed nail remove, then the another pair adjusting hole of body 10 is alignd with adjustment nail, target adjustment hole is entirely fallen within to erect and is cut On face, in the target adjustment hole site two fixed nails are hammered into.

In the present embodiment, body 10 is corrosion resistant plate, or the other materials such as iron, copper, alloy.

Embodiment 2

The present embodiment provides a kind of using method of joint replacement with auxiliary adjuster, with reference to shown in Fig. 4, including following step Suddenly：

S1., the laminating of a pair of datum holes 1 on body 10 is set in a pair of fixations for intending adjusting to nail on；

S2. circle center line connecting is found out parallel with logical condyle line or closest to parallel a pair of adjusting holes 2,3,4,5,6,7；

S3. new fixed nail is reset in the position of the pair of adjusting hole 2,3,4,5,6,7 found out.

The joint replacement using method of auxiliary adjuster, can fix the lines and logical condyle of nail at two in the present embodiment When line is not parallel, the set location of the fixed nail of adjustment, so that the line of the fixed nail after adjustment reaches preferably with logical condyle line It is parallel.

When the position of the pair of adjusting hole 2,3,4,5,6,7 found out is unsuitable for arranging new fixed nail, also include Following steps：

S2.1 arranges adjustment nail through a pair of translation holes 8；

S2.2 removes the body 10 from the fixed nail and the adjustment nail, the fixed nail is removed, by institute State body 10 to translate, translation hole 8 described in the another pair of the body 10 is set in the adjustment nail.

By aforesaid operations, target adjustment hole can be adjusted to being respectively positioned on inside vertical tangent plane, in order to install.

Embodiment 3

The present embodiment provides a kind of joint replacement auxiliary adjuster, and it is the deformation on the basis of embodiment 1, such as Fig. 5 Shown, difference is：Also include surveying obliquity structure, (the survey obliquity structure is no longer with a pair of datum holes 1 on body 10 and body 10 The intersection point at edge is that the center of circle arranges angle mark, but resets survey obliquity structure), the survey obliquity structure is arranged on institute State on body 10, for measuring the differential seat angle between logical condyle line and the circle center line connecting of paired datum hole 1.

The survey obliquity structure includes：First measurement bar 21, one end is installed in rotation on the body 10, the other end For pointer, the body 10 is provided with first measurement bar 21 and rotates angle number 11 of the center of circle as the center of circle；Second measurement Bar 22, be arranged in parallel with first measurement bar 21, and can be by between adjustment structural adjustment and first measurement bar 21 Distance, with two relative pointers.

When hammered on the vertical tangent plane a in joint to be replaced using calibration tool two fixed nails lines with logical condyle line not When parallel, the rotational angle of the first measurement bar 21 of adjustment, and the spacing distance of the second measurement bar 22 and the first measurement bar 21 is adjusted, Two relative pointers for making the second measurement bar 22 align with the two ends of logical condyle line, are then read out the first measurement bar 21 in angle number 11 On the angle value pointed out, then find the circle center line connecting with a pair of datum holes 1 into a pair of adjusting holes 2 of the same angular number of degrees, 3,4, 5,6,7, the fixed setting position followed closely at this to hammering into fixed nail in adjusting hole, after a pair of fixation nails as adjustment that this is hammered into Put.

In this enforcement, the adjustment structure includes at least two guide posts 23, and one end of two guide posts 23 is fixed It is in first measurement bar 21 and vertical with first measurement bar 21；Second measurement bar 22 is provided with two difference Only for the pilot hole 24 of two insertions of the guide post 23.This structure design, can easily adjust the second measurement bar 22 with Spacing distance between first measurement bar 21, moreover it is possible to ensure the axial direction of the second measurement bar 22 and the first measurement bar 21 axially all the time It is parallel.

Used as a kind of improved design project, as shown in figs 6-8, the survey obliquity structure includes：First measurement bar 21, middle part It is installed in rotation on the body 10, two ends are pointer, the body 10 is provided with turning with first measurement bar 21 The dynamic center of circle is the angle number 11 in the center of circle；Second measurement bar 22, be arranged in parallel with first measurement bar 21, and can be by adjusting knot Structure the distance between is adjusted with first measurement bar 21, with two relative pointers.

Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or Among changing the protection domain created still in the utility model.

Claims (6)

1. a kind of joint replacement is used and aids in adjuster, it is characterised in that：Including body (10), the body (10) is provided with least A pair of datum holes (1) and some (2,3,4,5,6,7), spacing between the paired datum hole (1) is arranged and made to adjusting hole Obtain it to be suitable to while the fixation that laminating is set in plan adjustment is nailed on；

A pair of minimum adjusting holes of differential seat angle between circle center line connecting and the circle center line connecting of the paired datum hole (1) (2,3,4, 5,6,7), the differential seat angle between its circle center line connecting and the circle center line connecting of the paired datum hole (1) is 2 ° to the maximum；Inclined degree Differential seat angle between the circle center line connecting of immediate any two pairs of adjusting holes (2,3,4,5,6,7) is 2 ° to the maximum；Described The thickness of body (10) is 1-5mm；

Also include the circle center line connecting and the paired datum hole (1) of some to translating hole (8), paired translation holes (8) Circle center line connecting it is parallel.

2. joint replacement according to claim 1 is used and aids in adjuster, it is characterised in that：Circle center line connecting with it is paired described in A pair of minimum adjusting holes of differential seat angle between the circle center line connecting of datum hole (1) (2,3,4,5,6,7), its circle center line connecting with it is paired Differential seat angle between the circle center line connecting of the datum hole (1) is 1 ° to the maximum；The immediate any two pairs of adjustment of inclined degree Differential seat angle between the circle center line connecting in hole (2,3,4,5,6,7) is 1 ° to the maximum.

3. joint replacement according to claim 1 and 2 is used and aids in adjuster, it is characterised in that：The paired datum hole (1) circle center line connecting is crossed to form respectively two reference mark positions (200) with two edges of the body (10), with least one The individual reference mark position (200) is angle summit, and several angle marks are uniformly arranged on the edge of the body (10) (201)。

4. joint replacement according to claim 1 is used and aids in adjuster, it is characterised in that：Arbitrary paired adjusting hole (2,3,4,5,6,7) differential seat angle≤6 ° between circle center line connecting and the circle center line connecting of the paired datum hole (1).

5. joint replacement according to claim 4 is used and aids in adjuster, it is characterised in that：The adjusting hole (2,3,4,5, 6, it is 7) 6 pairs, respectively first pair adjusting hole (2), second pair of adjusting hole (3), the 3rd pair of adjusting hole (4), the 4th pair of adjusting hole (5), the 5th pair of adjusting hole (6) and the 6th pair of adjusting hole (7), and the 6 pairs of adjusting holes (2,3,4,5,6, circle center line connecting 7) and institute State the angle difference between the circle center line connecting of datum hole (1) and be followed successively by 1 °, 2 °, 3 °, 4 °, 5 ° and 6 °.

6. joint replacement according to claim 5 is used and aids in adjuster, it is characterised in that：The adjusting hole in pairs (2, 3,4,5,6,7) spacing between is arranged and made it suitable for while the fixation that laminating is set in plan adjustment is nailed on.