CN207881874U - A kind of knee joint stationary fixture for the test of knee joint contact mechanics - Google Patents
A kind of knee joint stationary fixture for the test of knee joint contact mechanics Download PDFInfo
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- CN207881874U CN207881874U CN201820210496.9U CN201820210496U CN207881874U CN 207881874 U CN207881874 U CN 207881874U CN 201820210496 U CN201820210496 U CN 201820210496U CN 207881874 U CN207881874 U CN 207881874U
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- fixes sleeve
- knee joint
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- sleeve
- locating rod
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Abstract
The utility model is related to chuck apparatus technical field more particularly to a kind of knee joint stationary fixtures for the test of knee joint contact mechanics.First fixed part of the knee joint stationary fixture includes head rod and the first fixes sleeve, head rod is connect by angle regulator with the first fixes sleeve, second fixed part includes the second connecting rod and the second fixes sleeve, one end of second connecting rod is connect with the second fixes sleeve, first fixes sleeve and the second fixes sleeve interval are oppositely arranged, the clamping part for knee joint sample to be clamped is equipped in the first fixes sleeve and second fixes sleeve, one end of clamping part is stretched into the first fixes sleeve and the second fixes sleeve, and it being capable of moving radially along the first fixes sleeve and the second fixes sleeve.It when adjusting the posture of knee joint sample, is not necessarily to remove knee joint sample from knee joint fixture, knee joint sample is avoided to move, and then avoid the test data caused by knee joint sample moves inaccurate.
Description
Technical field
The utility model is related to chuck apparatus technical field more particularly to a kind of knees for the test of knee joint contact mechanics
Arthrodesis fixture.
Background technology
The damage of meniscus back root part is generally mostly that medial meniscus back root part damages (posterior medical
Meniscus root tear, abbreviation PMMRT) and lateral meniscus back root part damage (posterior lateral
Meniscus root tear, abbreviation PLMRT).And for the damage of medial meniscus back root part, root after lateral meniscus
Portion's damage is more rare, is common in and merges the anterior cruciate ligament case of fracture or portion fractures completely.
Occur together for cross ligament damage the case of PLMRT, and there is presently no unified treatment standards.Some scholars build
View only carries out simple cross ligament damage reconstruction, and carries out local debridement or expectant treatment to PLMRT.Separately there is scholar to think
The knee joint biomethanics of PLMRT changes the knee joint biomethanics change similar to PMMRT, therefore they suggest in preceding intersection
When ligament reconstructive, while repairing the lateral meniscus back root part of damage, but at present for, PLMRT merge cross ligament damage
Influence to knee joint biomethanics, and which kind of therapy is used, which kind of is fixed and repair mode can have higher be cured
Conjunction rate or the effective physiological function for restoring to be damaged meniscus, there is presently no exact final conclusion and relevant researchs, therefore,
It also needs to study meniscus to kneed influence by carrying out contact mechanics test to knee joint.
Utility model content
The purpose of this utility model is to provide a kind of knee joint stationary fixture for the test of knee joint contact mechanics, can
Fixed knee joint simultaneously assists knee joint to carry out the mechanical test under different conditions.
To achieve the goals above, it is solid to provide a kind of knee joint for the test of knee joint contact mechanics for the utility model
Clamp has, including：
First fixed part, first fixed part include head rod and the first fixes sleeve, the head rod
It is connect with first fixes sleeve by angle regulator, the head rod and first fixing sleeve can be changed
Connection angle between cylinder；
Second fixed part, second fixed part include the second connecting rod and the second fixes sleeve, second connecting rod
One end connect with second fixes sleeve；
First fixes sleeve and second fixes sleeve interval are oppositely arranged, and first fixes sleeve and institute
The clamping part being equipped in the second fixes sleeve for knee joint sample to be clamped is stated, one end of the clamping part stretches into described first
In fixes sleeve and second fixes sleeve, and it can be moved along first fixes sleeve and the radial of the second fixes sleeve
It is dynamic.
Preferably, the angle regulator include sleeve shaft, U-shaped connector, clamping screw, the first thrust bearing and
Second thrust bearing；
One end of the sleeve shaft is connect with first fixes sleeve, and the other end passes through the U types connector, institute
It states the first thrust bearing and second thrust bearing is set in the sleeve shaft, and be located at the U-shaped connection
Inside and outside part, the clamping screw is connect with the sleeve shaft thread, locks first thrust bearing, the second thrust
Bearing and U-shaped connector；
One end of the head rod is hinged by articulated shaft and the U-shaped connector, the two of the U-shaped connector
Side wall is equipped with multiple angle adjustment holes, and multiple angle adjustment holes are circumferentially distributed centered on the articulated shaft,
The head rod is equipped at least one mounting hole to match with the angle adjustment holes, and fixing bolt passes through the angle
Spend adjustment hole and the mounting hole, the relative position of the fixed head rod and first fixes sleeve.
Preferably, the clamping part is bolt.
Preferably, first fixes sleeve is equipped with multiple clamping parts, and multiple clamping parts are along described first
Fixes sleeve it is circumferentially distributed；
Second fixes sleeve is equipped with multiple clamping parts, week of multiple clamping parts along second fixes sleeve
To distribution.
Preferably, multiple clamping parts in first fixes sleeve are in the axial direction of first fixes sleeve
Two circle interval settings, the clamping part in often enclosing are uniformly distributed along the circumferential direction of first fixes sleeve；
Multiple clamping parts in second fixes sleeve are in the axial direction of second fixes sleeve between two circles
Every setting, the clamping part in often enclosing is uniformly distributed along the circumferential direction of second fixes sleeve.
Preferably, further include angle measurement unit, the angle measurement unit includes angle positioning region and angle scale, described
Angle scale is fixed in second fixes sleeve, is moved with second fixes sleeve；
One end of the angle positioning region is fixed on first fixes sleeve, and the other end is coaxially hinged with the angle scale
Fixed, when first fixes sleeve rotates, the angle positioning region is rotated with first fixes sleeve, keeps the angle fixed
Position of the position portion on the angle scale changes.
Preferably, the angle positioning region includes the first locating rod and the second locating rod, first locating rod and described
Adjusting slot hole is equipped in second locating rod；
One end of first locating rod is connect with first fixes sleeve, one end of second locating rod with it is described
Second fixes sleeve is hinged, and the other end of first locating rod and second locating rod partially overlaps, and adjusting bolt passes through
Adjusting slot hole in first locating rod and second locating rod, fixed first locating rod and second positioning
Bar.
Preferably, the clamping part includes grip bolt and clamping piece, the side of the clamping piece and the grip bolt
Connection, the other side have the curved surface being bonded with knee joint sample.
Preferably, the grip bolt is connect by multi-directional ball with the clamping piece；
It is equipped with limit recess portion in first fixes sleeve and second fixes sleeve, in each limit recess portion
Equipped with rotatable threaded joints, the grip bolt is threadedly coupled with the rotatable threaded joints, the rotatable spiral shell
Line interconnecting piece can drive the grip bolt to rotate.
The above-mentioned technical proposal of the utility model has the following advantages that：It is provided by the utility model to be used for knee joint contact force
The knee joint stationary fixture of test is learned, the first fixed part includes head rod and the first fixes sleeve, first connection
Bar is connect by angle regulator with first fixes sleeve, can be changed the head rod and be fixed with described first
Connection angle between sleeve, the second fixed part include the second connecting rod and the second fixes sleeve, second connecting rod
One end is connect with second fixes sleeve, and first fixes sleeve and second fixes sleeve interval are oppositely arranged, and
The clamping part for knee joint sample to be clamped, the clamping are equipped in first fixes sleeve and second fixes sleeve
The one end in portion is stretched into first fixes sleeve and second fixes sleeve, and can be along first fixes sleeve and
Two fixes sleeves move radially.Keep knee joint sample fixed more securely by clamping part, and kneed not in adjustment
It, only need to be partly or whole from power test equipment by knee joint stationary fixture entirety without removing knee joint sample when with state
Body is removed, and when adjusting the posture of knee joint sample, is not necessarily to remove knee joint sample from knee joint fixture, knee is avoided to close
This generation of feast-brand mark is moved, and then avoids the test data caused by knee joint sample moves inaccurate.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of knee joint stationary fixture in the utility model embodiment；
Fig. 2 is the structural schematic diagram of the first fixes sleeve in the utility model embodiment；
Fig. 3 is the structural schematic diagram of another knee joint stationary fixture in the utility model embodiment；
Fig. 4 is the portions the A enlarged diagram of Fig. 3；
The structural schematic diagram of another knee joint stationary fixture in Fig. 5 the utility model embodiments；
Fig. 6 is a kind of structural schematic diagram of clamping part in the utility model embodiment；
Fig. 7 be in the utility model embodiment a kind of installation of clamping part in the first fixes sleeve or the second fixes sleeve
Structural schematic diagram.
In figure：1：First fixed part；11：Head rod；12：First fixes sleeve；2：Second fixed part；21：Second
Connecting rod；22：Second fixes sleeve；3：Clamping part；31：Grip bolt；32：Multi-directional ball ball；33：Multi-directional ball shell；34：Folder
Hold piece；4：Angle measurement unit；41：Angle positioning region；411：First locating rod；412：Second locating rod； 413：Adjust length
Hole；414：Adjusting bolt；42：Angle scale；5：Angle regulator；51：Sleeve shaft；52：U-shaped connector；521：Angle tune
Knothole；53：First thrust bearing； 54：Second thrust bearing；55：Fixing bolt；56：Clamping screw；6：Limit recess portion；7：It can
Rotate threaded joints；100：Knee joint sample.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
As shown in Figure 1, a kind of knee joint for the test of knee joint contact mechanics that the utility model embodiment provides is solid
Clamp has, including the first fixed part 1 and the second fixed part 2, wherein the first fixed part 1 is solid including head rod 11 and first
Determine sleeve 12, head rod 11 is connect by angle regulator 5 with the first fixes sleeve 12,5 energy of angle regulator
Enough change the connection angle between head rod 11 and 1 first fixes sleeve 12.
The clamping part 3 for knee joint sample 100 to be clamped, in the present embodiment, tool are equipped in the first fixes sleeve 12
The femur of knee joint sample 100 is clamped in body.
Specifically, one end of clamping part 3 is stretched into the first fixes sleeve 12, and can be along first fixes sleeve 12
It moves radially, to clamp femur.
Second fixed part 2 include the second connecting rod 21 and the second fixes sleeve 22, wherein one end of the second connecting rod 21 with
Second fixes sleeve 22 connects.
The clamping part 3 for knee joint sample 100 to be clamped also is provided in second fixes sleeve 22, in the present embodiment, tool
The shin bone of knee joint sample 100 is clamped in body.
One end of clamping part 3 is stretched into the second fixes sleeve 22, and can moving radially along the second fixes sleeve 22,
To clamp shin bone.
First fixes sleeve 12 and the second fixes sleeve 22 interval are oppositely arranged, and are used to accommodate knee joint sample between the two
100。
The knee joint stationary fixture to 100 fixation of knee joint sample, and adjustment knee joint sample 100 posture
When, without removing knee joint sample 100 from knee joint fixture, avoid knee joint sample 100 from moving, and then avoid leading
Cause test data inaccurate.
In use, the femur of knee joint sample 100 stretches into the first fixes sleeve 12, screwing clamping part 3 keeps femur opposite
First fixes sleeve 1 is fixed.The shin bone of knee joint sample 100 stretches into the second fixes sleeve 22, and screwing clamping part 3 makes shin bone phase
Second fixes sleeve 12 is fixed, head rod 11 and the second connecting rod 21 connect with power test equipment respectively, such as with it is micro-
Machine controls the universal testing machine connection of electronics, and knee joint stationary fixture clamping knee joint sample 100 simulates kneed various states,
Analyze the stressing conditions in each portion of knee joint.The knee joint fixing jig structure is simple, the first fixes sleeve 12 and head rod
It is connected by angle regulator 5 between 11, femur can be simulated in the state of trunk rotation, analyze knee under this state
The stressing conditions in joint clamp femur and diameter bone by adjusting clamping part 3, keep knee joint sample 100 fixed more securely, and
When adjusting kneed different conditions, without removing knee joint sample 100, knee joint stationary fixture need to only be surveyed from power
Upper side point or overall pulling down are tried, when adjusting the posture of knee joint sample 100, is not necessarily to knee joint sample 100 from knee
It is removed on the fixture of joint, knee joint sample 100 is avoided to move, and then avoided caused by knee joint sample 100 moves
Test data is inaccurate.
Preferably, clamping part 3 is bolt, is directly threadedly coupled with the first fixes sleeve 12 and the second fixes sleeve 22, is adjusted
Section is convenient.
It should be noted that it can also be corpse knee joint that knee joint sample 100, which can be knee joint model, do not do herein
It limits.
In some preferred embodiments, as depicted in figs. 1 and 2, angle regulator 5 includes sleeve shaft 51, U-shaped connection
Part 52, clamping screw 56, the first thrust bearing 53 and the second thrust bearing 54, wherein one end of sleeve shaft 51 is solid with first
Determine the connection of sleeve 12, the other end passes through the bottom of U-shaped connector 52, and the first thrust bearing 53 and the second thrust bearing 54 cover
It is located in sleeve shaft 51, and is located inside and outside U-shaped connector 52 (two bottom sides), sleeve shaft 51 is set in an axial direction
There are threaded hole, clamping screw 56 to be threadedly coupled with sleeve shaft 51, the first thrust bearing 53 of locking, the second thrust bearing 54 and U
Type connector 2 prevents the first fixes sleeve 12 from moving axially, keeps test more acurrate.
One end of head rod 11 is hinged by articulated shaft and U-shaped connector 52, on the two side of U-shaped connector 52
Equipped with multiple angle adjustment holes 521, and multiple angle adjustment holes 521 are circumferentially distributed centered on articulated shaft, in the first connection
Bar 11 is equipped at least one mounting hole to match with angle adjustment holes 521, and fixing bolt 55 passes through 521 He of angle adjustment holes
Mounting hole, the relative position of 11 and first fixes sleeve 12 of fixed head rod, when needing to adjust angle between the two,
Fixing bolt 55 is removed, the first fixes sleeve 12 or first of rotation connection 11 makes mounting hole match from different angle adjustment holes 521
It closes, is then fixed again using fixing bolt 55, adjusted using the angle of the two.
Meanwhile first fixes sleeve 12 by sleeve shaft 51, the first thrust bearing 53 and the second thrust bearing 54 with it is U-shaped
Connector 52 connects, and sleeve shaft 51 can drive the first fixes sleeve 12 that can be tested around the axial rotation of sleeve shaft 51
Stressing conditions when knee joint rotation status.
Preferably, there are three mounting holes, i.e., head rod 11 and U-shaped connector are fixed by three fixing bolts 55
52。
On the basis of any of the above preferred embodiment, it is preferable that as shown in Figure 1, the first fixes sleeve
12 are equipped with multiple clamping parts 3, and multiple clamping parts 3 are along the circumferentially distributed of the first fixes sleeve 12.In second fixes sleeve 22
Multiple clamping parts 3 also equally are provided with, and multiple clamping parts 3 are along the circumferentially distributed of the second fixes sleeve 22.
It is further preferred that multiple clamping parts 3 in the first fixes sleeve 12 are in the axial direction of the first fixes sleeve 12
Two circle interval settings, the clamping part 3 in often enclosing are uniformly distributed along the circumferential direction of 3 first fixes sleeves 12.
Multiple clamping parts 3 are arranged in the axial direction of the second fixes sleeve 22 in two circle intervals in the second fixes sleeve 22,
The clamping part in often enclosing is uniformly distributed along the circumferential direction of second fixes sleeve.
In some preferred embodiments, as shown in Figure 3 and Figure 4, knee joint stationary fixture further includes angle measurement unit
4, which includes angle positioning region 41 and angle scale 42, and angle scale 42 is fixed in the second fixes sleeve 22,
It is moved with the second fixes sleeve 22, one end of angle positioning region 41 is fixed in the first fixes sleeve 12, the other end and angle scale
42 is coaxial hinged fixed, when the first fixes sleeve 12 rotates, angle positioning region 41 centered on the hinged place of angle scale 42 with
First fixes sleeve 12 rotates, and so that position of the angle positioning region 41 on angle scale 42 is changed, to read the change of angle
Change.
In order to adapt to various sizes of knee joint sample 100, it is preferable that as shown in Figures 2 and 3, angle positioning region 41 is wrapped
The first locating rod 411 and the second locating rod 412 are included, adjusting slot hole is equipped in the first locating rod 411 and the second locating rod 412
413, wherein one end of the first locating rod 411 is connect with the first fixes sleeve 12, and one end of the second locating rod 412 is solid with second
It is hinged to determine sleeve 22, the other end of the first locating rod 411 and the second locating rod 412 partially overlaps, and adjusting bolt 414 passes through the
Adjusting slot hole 413 on a positioning rod 411 and the second locating rod 412 fixes the first locating rod 411 and the second locating rod 412, when
When needing to adjust the length of angle positioning region 41,414 adjusting bolts 414 are unscrewed, adjust the first locating rod 411 and the second locating rod
412 coincidence length screws adjusting bolt 414 after reaching the length of needs.
Certainly, adjusting bolt 414 can not also screw, and make the first locating rod 411 and the second locating rod 412 by external force
When, you can automatic adjustment length.
Preferably, as shown in figure 4,42 subscript of angle scale is angled, the first fixed part 1 and the coaxial arrangement of the second fixed part 2
When, the position where angle positioning region 41 is 0 °, since 100 maximum bending angle of knee joint model will not be more than 180 °,
It is 0 ° -180 ° that angle on place angle scale 42, which is set as clockwise and counterclockwise,.
Knee joint stationary fixture with angle measurement unit 42 can obtain the fixation of the first fixed part 1 and/or second
The rotational angle in portion 2 can also utilize the angle calculation that directly reads simply converse very much the curved of two knee joint samples 100
Bent angle, opposite using for angle square manual measurement, not only high certainty of measurement, it is convenient to obtain various angle-datas, Er Qiejie
Structure is relatively simple.
In some preferred embodiments, as shown in figure 5, in the second fixed part 2, the second fixes sleeve 22 and the second connecting rod
It is connected also by angle regulator 5 between 21, facilitates the angle of the second fixes sleeve 22 to adjust, especially facilitate the second fixation
Mechanical test when sleeve 22 is along the axial rotation state of the second fixes sleeve 22.
Since the structure of angle regulator being described in detail in above-described embodiment, something in common is herein
Repeat no more, need to describe the difference is that, sleeve shaft 51 is connect with the second fixes sleeve 51, U-shaped connector 52 with
Second connecting rod 21 connects.
In some preferred embodiments, clamping part 3 includes grip bolt 31 and clamping piece 34, the side of clamping piece 34 and folder
The connection of bolt 32 is held, the other side has the curved surface being bonded with 100 surface of knee joint sample, and knee joint is fixed by the clamping piece 34
Sample 100 reduces the injury to knee joint sample 100.
In other preferred embodiment, by universal between grip bolt 31 and clamping piece 34 as shown in Figure 6 and Figure 7
Ball connects, and specifically, grip bolt 31 is connect with multi-directional ball ball 32, and multi-directional ball ball 32 is located in multi-directional ball shell 33, and
It can be freely rotated in multi-directional ball shell 33, clamping piece 34 is allow to move in a certain range, make adjusting bolt 31 and folder
The angle for holding piece 34 changes, even if the error for having some small, clamping piece 34 can also be made to be bonded knee joint sample 100
It is fixed.When screwing adjusting bolt 31, after the force effect and knee joint sample 100 of adjusting bolt 31 are bonded with clamping piece 34
To under the restriction effect of clamping piece 34, can adjust automatically and with the SURFACES MATCHING of knee joint sample 100, if clamping piece 34 is current
Position and be the best position of compactness, between adjusting bolt 31 and clamping piece 34 can shape it is at a certain angle, promote to be clamped
Piece 34 is to the position movement being more bonded or tilts, and so that clamping piece 34 is more bonded with the surface of knee joint sample 100, makes knee joint
The fixation of sample 100 is more secured, the possibility of damage also smaller.In addition, due to being logical between adjusting bolt 31 and clamping piece 34
Multi-directional ball connection is crossed, so the angle direction between adjusting bolt 31 and clamping piece 34 can be with knee joint sample 100 and clamping
Piece 34 coordinates and arbitrarily adjusts.
Preferably, as shown in fig. 6, being equipped with limit recess portion 6 in the first fixes sleeve 12 and the second fixes sleeve 22, each
It limits and is equipped with rotatable threaded joints 7 in recess portion 6, grip bolt 31 is threadedly coupled with rotatable threaded joints 7, rotatably
Threaded joints 7 can drive grip bolt 31 to rotate, here, the class that rotatable threaded joints 7 and limit recess portion 6 are formed
Like universal ball structure, grip bolt 31 is enable to have certain angle of inclination, so that clamping piece 34 can be from different knee joints
Sample 100 is preferably coordinated.
It should be noted that it can also be the second fixation that signal and fixes sleeve, which can be the first fixes sleeves 12, in Fig. 6
Sleeve 22, does not limit herein.
In addition the Figure of description of the utility model is schematic representation, does not constitute the limit to the utility model product
Fixed, 22 structure of the first fixes sleeve 12 and the second fixes sleeve especially in the attached drawing of some embodiments can be according to not
There is different assembling modes and different supplementary structures with embodiment, for example, if the first fixing sleeve with limit recess portion 6
Cylinder 12 and the second fixes sleeve 22 are assembled, then some knots for locking each assembled rigid unit are had in each of which assembled rigid unit
Structure, since these supplementary structures are unrelated with the technical problems to be solved in the utility model, and those skilled in the art can also
In terms of realization can be resolved without creative work as needed, therefore omitted on attached drawing,
Also without detailed verbal description.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
Not each embodiment only contains an independent technical solution, in the case of scheduling conflicts are not present, institute in each embodiment
The every technical characteristic mentioned can be combined in any way, formed it will be appreciated by those skilled in the art that other implementation
Mode.
In addition, in the case where not departing from the scope of the utility model, to the technical solution recorded in foregoing embodiments
It modifies or equivalent replacement of some of the technical features, this reality that it does not separate the essence of the corresponding technical solution
With the spirit and scope of novel each embodiment technical solution.
Claims (9)
1. a kind of knee joint stationary fixture for the test of knee joint contact mechanics, which is characterized in that including：
First fixed part, first fixed part include head rod and the first fixes sleeve, and the head rod passes through
Angle regulator is connect with first fixes sleeve, can change the head rod and first fixes sleeve it
Between connection angle；
Second fixed part, second fixed part include the second connecting rod and the second fixes sleeve, the one of second connecting rod
End is connect with second fixes sleeve；
First fixes sleeve and second fixes sleeve interval are oppositely arranged, and first fixes sleeve and described
The clamping part for knee joint sample to be clamped is equipped in two fixes sleeves, one end of the clamping part is stretched into described first and fixed
In sleeve and second fixes sleeve, and being capable of moving radially along first fixes sleeve and the second fixes sleeve.
2. the knee joint stationary fixture according to claim 1 for the test of knee joint contact mechanics, it is characterised in that：
The angle regulator includes sleeve shaft, U-shaped connector, clamping screw, the first thrust bearing and the second thrust shaft
It holds；
One end of the sleeve shaft is connect with first fixes sleeve, the other end pass through the U-shaped connector, described first
Thrust bearing and second thrust bearing are set in the sleeve shaft, and are located at the interior of the U-shaped connector
Outer both sides, the clamping screw are connect with the sleeve shaft thread, lock first thrust bearing, the second thrust bearing and
U-shaped connector；
One end of the head rod is hinged by articulated shaft and the U-shaped connector, in the two side of the U-shaped connector
Multiple angle adjustment holes are equipped with, and multiple angle adjustment holes are circumferentially distributed centered on the articulated shaft, described
Head rod is equipped at least one mounting hole to match with the angle adjustment holes, and fixing bolt passes through the angle tune
Knothole and the mounting hole, the relative position of the fixed head rod and first fixes sleeve.
3. the knee joint stationary fixture according to claim 1 for the test of knee joint contact mechanics, it is characterised in that：Institute
It is bolt to state clamping part.
4. the knee joint stationary fixture according to claim 3 for the test of knee joint contact mechanics, it is characterised in that：Institute
It states the first fixes sleeve and is equipped with multiple clamping parts, circumferential direction point of multiple clamping parts along first fixes sleeve
Cloth；
Second fixes sleeve is equipped with multiple clamping parts, circumferential direction point of multiple clamping parts along second fixes sleeve
Cloth.
5. the knee joint stationary fixture according to claim 4 for the test of knee joint contact mechanics, it is characterised in that：Institute
Multiple clamping parts in the first fixes sleeve are stated in the axial direction of first fixes sleeve in two circle interval settings, are often enclosed
In the clamping part be uniformly distributed along the circumferential direction of first fixes sleeve；
Multiple clamping parts in second fixes sleeve are set in the axial direction of second fixes sleeve in two circle intervals
It sets, the clamping part in often enclosing is uniformly distributed along the circumferential direction of second fixes sleeve.
6. the knee joint stationary fixture according to claim 1 for the test of knee joint contact mechanics, it is characterised in that：
Further include angle measurement unit, the angle measurement unit includes angle positioning region and angle scale, and the angle scale is fixed
In second fixes sleeve, moved with second fixes sleeve；
One end of the angle positioning region is fixed on first fixes sleeve, and the other end is coaxially hingedly solid with the angle scale
Fixed, when first fixes sleeve rotates, the angle positioning region is rotated with first fixes sleeve, and the angle is made to position
Position of the portion on the angle scale changes.
7. the knee joint stationary fixture according to claim 6 for the test of knee joint contact mechanics, it is characterised in that：Institute
It includes the first locating rod and the second locating rod to state angle positioning region, is equipped in first locating rod and second locating rod
Adjust slot hole；
One end of first locating rod is connect with first fixes sleeve, one end of second locating rod and described second
Fixes sleeve is hinged, and the other end of first locating rod and second locating rod partially overlaps, and adjusting bolt passes through described
Adjusting slot hole in first locating rod and second locating rod, fixed first locating rod and second locating rod.
8. the knee joint stationary fixture for the test of knee joint contact mechanics according to claim 1,2,4,5,6 or 7,
It is characterized in that：The clamping part includes grip bolt and clamping piece, and the side of the clamping piece is connect with the grip bolt, separately
Side has the curved surface being bonded with knee joint sample.
9. the knee joint stationary fixture according to claim 8 for the test of knee joint contact mechanics, it is characterised in that：Institute
Grip bolt is stated to connect with the clamping piece by multi-directional ball；
It is equipped with limit recess portion in first fixes sleeve and second fixes sleeve, is equipped in each limit recess portion
Rotatable threaded joints, the grip bolt are threadedly coupled with the rotatable threaded joints, and the rotatable screw thread connects
Socket part can drive the grip bolt to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210496.9U CN207881874U (en) | 2018-02-07 | 2018-02-07 | A kind of knee joint stationary fixture for the test of knee joint contact mechanics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210496.9U CN207881874U (en) | 2018-02-07 | 2018-02-07 | A kind of knee joint stationary fixture for the test of knee joint contact mechanics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881874U true CN207881874U (en) | 2018-09-18 |
Family
ID=63510119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820210496.9U Active CN207881874U (en) | 2018-02-07 | 2018-02-07 | A kind of knee joint stationary fixture for the test of knee joint contact mechanics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207881874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106768A (en) * | 2018-02-07 | 2018-06-01 | 内蒙古自治区人民医院（内蒙古自治区肿瘤研究所） | A kind of knee joint stationary fixture for the test of knee joint contact mechanics |
-
2018
- 2018-02-07 CN CN201820210496.9U patent/CN207881874U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106768A (en) * | 2018-02-07 | 2018-06-01 | 内蒙古自治区人民医院（内蒙古自治区肿瘤研究所） | A kind of knee joint stationary fixture for the test of knee joint contact mechanics |
| CN108106768B (en) * | 2018-02-07 | 2024-03-08 | 内蒙古自治区人民医院（内蒙古自治区肿瘤研究所） | A knee joint mounting fixture for knee joint contact mechanics test |
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