CN207472667U - A kind of universal long bone biomechanical fixture - Google Patents
A kind of universal long bone biomechanical fixture Download PDFInfo
- Publication number
- CN207472667U CN207472667U CN201721368427.2U CN201721368427U CN207472667U CN 207472667 U CN207472667 U CN 207472667U CN 201721368427 U CN201721368427 U CN 201721368427U CN 207472667 U CN207472667 U CN 207472667U
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- long bone
- universal
- cylinder
- pedestal
- threaded hole
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Abstract
The utility model is related to a kind of universal long bone biomechanical fixtures, and including long bone fixture, the long bone fixture includes cylinder and pedestal, and the cylinder is equipped with the locking device for locking universal adjustment sphere by universal adjustment sphere and the universal connection of pedestal, pedestal；Axially spaced-apart is equipped at least two circle threaded holes on the cylinder, often encloses at least there are three threaded hole, the threaded hole of same circle is set at equal intervals around the axis of cylinder, and the axis of threaded hole is parallel with the radial direction of cylinder, and trip bolt is housed in threaded hole.In the utility model cylinder can universal adjustment, the ligament being connected on long bone and long bone can be allowed to be maintained at a fixed angle in an experiment in long bone ligament tension and torsion test, it is ensured that consistency, repeatability and safety in experimentation；Special cylinder fixed structure can clamp long bone to firm stable, be conducive to smoothly complete stretching and torsion test.
Description
Technical field
The utility model is related to the field of medical instrument technology more particularly to a kind of universal long bone biomechanical fixtures.
Background technology
The stretching of bone-ligament and torsion test are widely applied a kind of technologies in biomechanics experiment, and biomethanics is real
Machine is tested as indispensable experimental facilities, and the fixture that each experimental machine is equipped with is often limited.It is mostly current biomethanics fixture
For the clamping object designs of some forms rule, and for the irregular clamping object (length of such as human or animal of some forms
Bone), existing fixture chucking power is insufficient, and claming angle cannot be adjusted on a large scale, and stabilization is cannot keep when adjusting to a certain angle,
And easy injury experiment object.
In addition, the fixation of tendon and ligament is always a difficult point, it is primarily due to tendon and this kind of soft tissue material of ligament
Material has creep properties.If tendon and ligament are gripped tension, tendon sample can be damaged；If by tendon and ligament
Pine was clamped, since the friction coefficient of tendon is very low, in addition it causes tissue fluid to be extruded because that can be squeezed after stress, so as at it
Surface forms a lubricant layer, is easily slided so as to cause sample, it has been proposed that and it is fixed after the embeddings such as Cement, but in this way
It is not only troublesome in poeration and expensive.
Utility model content
The utility model is intended to provide universal long bone biomechanical fixture, is applicable to the bone of different shape, different thicknesses
Dry-ligament biomechanics experiment, there is better stability and flexibility, it is ensured that consistency in experimentation, repeatable
Property, and will not damage or breaking test object.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows：
A kind of universal long bone biomechanical fixture, including long bone fixture, the long bone fixture includes cylinder and pedestal, described
Cylinder is equipped with the locking device for locking universal adjustment sphere by universal adjustment sphere and the universal connection of pedestal, pedestal；
Axially spaced-apart is equipped at least two circle threaded holes on the cylinder, often encloses at least there are three threaded hole, the spiral shell of same circle
Pit is set at equal intervals around the axis of cylinder, and the axis of threaded hole is parallel with the radial direction of cylinder, equipped with tight in threaded hole
Gu screw.
Further, there is ball-and-socket on the pedestal, the lower part of universal adjustment sphere is mounted in ball-and-socket, universal adjustment sphere
Top is equipped with one piece of pressing plate coupled with pedestal, and there are the circular hole being adapted to universal adjustment sphere, universal adjustment sphere in pressing plate one end
Pressing plate is exposed to by circular hole, the pressing plate other end is coupled by clamp system with pedestal.
Wherein, cylinder is affixed by connecting rod and universal adjustment sphere, and the lateral wall of described connecting rod one end and cylinder is consolidated
It connects, the connecting rod other end and universal adjustment sphere are affixed.
Further, clamp system includes lock shaft, and lock shaft lower part is equipped with external screw thread, and the pedestal is equipped with and locking
The threaded hole A of axis adaptation, has the threaded hole B being adapted to lock shaft on pressing plate.
Wherein, there is the cross bar for facilitating rotation lock mandrel on lock shaft.
Further, the threaded hole has three circles.
It is further preferred that the threaded hole in two adjacent rings is misaligned in the axial direction of cylinder.
Preferably, often circle has 4 threaded holes.
Wherein, the pedestal is equipped with mounting hole.
Universal long bone biomechanical fixture further includes tough carrying jig, and the tough carrying jig includes U-shaped arm and threaded rod, described
The both ends of U-shaped arm are equipped with the threaded hole C being adapted to threaded rod, two threaded hole C faces at U-shaped arm both ends.
Compared with prior art, the utility model has the advantages that：
1. in the utility model cylinder can universal adjustment, can allow and be connected in long bone-ligament tension and torsion test
Ligament on long bone is maintained at a fixed angle in an experiment with long bone, it is ensured that consistency in experimentation, can
Repeatability and safety；Special cylinder fixed structure can clamp long bone to firm stable, be conducive to smoothly complete stretching and
Torsion test；
2. the design of tough carrying jig can obtain ideal clamping effect, conducive to disposable Success in Experiment is ensured, shorten experiment
Time improves working efficiency.
Description of the drawings
Fig. 1 is the structure diagram of long bone fixture；
Fig. 2 is the structure diagram of pedestal；
Fig. 3 is the structure diagram of pressing plate；
Fig. 4 is the structure diagram of tough carrying jig；
Fig. 5 is the structure diagram for the biomechanics experiment machine for installing the utility model；
In figure：1- cylinders, 2- connecting rods, 3- universal adjustments sphere, 4- pressing plates, 5- pedestals, 7- clamp systems, 8- fastenings
Screw, 9- notches, 10-U shapes arm, 41- circular holes, 43- threaded hole B, 51- ball-and-socket, 52- threaded hole A, 53- mounting hole, 101- screw threads
Hole C, 102- threaded rod.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
As shown in Figure 1, 2, universal long bone biomechanical fixture disclosed in the utility model, including long bone fixture, long bone folder
Tool includes cylinder 1 and pedestal 5, and by universal adjustment sphere 3 and 5 universal connection of pedestal, pedestal 5 is equipped with to lock cylinder 1
The locking device of universal adjustment sphere 3；Axially spaced-apart is equipped at least two circle threaded holes on cylinder 1, often encloses at least there are three screw thread
Hole, the threaded hole of same circle are set at equal intervals around the axis of cylinder 1, and the axis of threaded hole is parallel with the radial direction of cylinder 1,
Trip bolt 8 is housed in threaded hole.
As shown in Fig. 2, there is ball-and-socket 51 on pedestal 5, the lower part of universal adjustment sphere 3 is in ball-and-socket 51, universal adjustment ball
The top of body 3 is equipped with one piece of pressing plate coupled with pedestal 5, as shown in figure 3,4 one end of pressing plate has what is be adapted to universal adjustment sphere 3
Circular hole 41, universal adjustment sphere 3 expose to pressing plate 4 by circular hole 41, and 4 other end of pressing plate passes through clamp system 7 and pedestal 5
It connects.Pressing plate 4 and clamp system 7 form the locking device for locking universal adjustment sphere 3.
Wherein, cylinder 1 is affixed by connecting rod 2 and universal adjustment sphere 3, and 2 one end of connecting rod and the lateral wall of cylinder 1 are consolidated
It connects, 2 other end of connecting rod and universal adjustment sphere 3 are affixed.Clamp system 7 includes lock shaft, and lock shaft lower part is equipped with external screw thread,
Pedestal is equipped with the threaded hole A52 being adapted to lock shaft, has the threaded hole B43 being adapted to lock shaft on pressing plate 4.
Wherein, there is the cross bar 71 for facilitating rotation lock mandrel on lock shaft.Jagged 9 on pedestal 5 and pressing plate 4, pressing plate 4
On notch 9 penetrated through with circular hole 41, during assembling, universal adjustment sphere 3 is mounted in ball-and-socket 51, then by notch of the pressing plate 4 through pressing plate 4
It is inserted on pedestal 5 at the connecting rod 2 above universal adjustment sphere 3 at 9, has refilled clamp system 7.Pedestal 5
It is equipped with mounting hole 53.
Preferably, threaded hole has three circles.Threaded hole in two adjacent rings is misaligned in the axial direction of cylinder 1.Often enclose
There are 4 threaded holes, the threaded hole in two adjacent rings is staggered 45 ° in circumferencial direction.
Universal long bone biomechanical fixture further includes tough carrying jig, as shown in figure 4, tough carrying jig includes U-shaped arm 10 and spiral shell
Rasp bar 102, the both ends of U-shaped arm 10 are equipped with the threaded hole C101 being adapted to threaded rod 102, two threaded holes at 10 both ends of U-shaped arm
C101 faces.
As shown in figure 5, pedestal 5 is fixed on the workbench of biomechanics experiment machine 11, tough carrying jig is fixed on life
On the traveling table of object test machine for mechanism 11, by long bone 13 in cylinder 1, and fixed with multiple trip bolts 8 in multiple directions
Firmly long bone 13, then adjusting threaded rod 102 makes it be detached with the threaded hole C101 of one end, and ligament 13 is sleeved on threaded rod 102
On, then the end of threaded rod 102 is threaded into the C101 of hole.Rotation lock mandrel, you can rotate cylinder 1 in three dimensions
To required angle, universal adjustment sphere 3 can be locked by being rotated further by lock shaft, then start to test.
In the utility model cylinder can universal adjustment, can be allowed in long bone-ligament tension and torsion test and be connected to length
Ligament on bone is maintained at a fixed angle in an experiment with long bone, it is ensured that consistency in experimentation can weigh
Renaturation and safety；Special cylinder fixed structure can clamp long bone to firm stable, be conducive to smoothly complete stretching and torsion
Turn experiment；The design of tough carrying jig can obtain ideal clamping effect, conducive to disposable Success in Experiment is ensured.
The utility model is particularly suitable for the ligament for adhering on the long bones such as femur, shin bone, humerus, ulna and radius and bone or rebuilding
Fixation (such as front and rear ligamentaum cruciatum on femur, shin bone, interior lateral collateral ligament etc.), it is convenient convenient for the stretched vertically of ligament
Carry out Biomechanics test.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art can make various corresponding changes and deformation, but these according to the utility model
It is corresponding to change and deform the scope of the claims that all belong to appended by the utility model.
Claims (10)
1. a kind of universal long bone biomechanical fixture, it is characterised in that:Including long bone fixture, the long bone fixture includes cylinder
(1) it is connect with pedestal (5), the cylinder (1) by universal adjustment sphere (3) with pedestal (5), pedestal (5) is equipped with to lock
The locking device of tight universal adjustment sphere (3)；
Axially spaced-apart is equipped at least two circle threaded holes on the cylinder (1), often encloses at least there are three threaded hole, the screw thread of same circle
Hole is set at equal intervals around the axis of cylinder (1), and the axis of threaded hole is parallel with the radial direction of cylinder (1), is filled in threaded hole
There is trip bolt (8).
2. universal long bone biomechanical fixture according to claim 1, it is characterised in that：There is ball-and-socket on the pedestal (5)
(51), in ball-and-socket (51), the top of universal adjustment sphere (3) is equipped with one piece and pedestal for the lower part of universal adjustment sphere (3)
(5) there are the circular hole (41) being adapted to universal adjustment sphere (3) in the pressing plate of connection, pressing plate (4) one end, and universal adjustment sphere (3) is logical
It crosses circular hole (41) and exposes to pressing plate (4), pressing plate (4) other end is coupled by clamp system (7) with pedestal (5).
3. universal long bone biomechanical fixture according to claim 2, it is characterised in that：Cylinder (1) passes through connecting rod (2)
Affixed with universal adjustment sphere (3), described connecting rod (2) one end and the lateral wall of cylinder (1) are affixed, connecting rod (2) other end
It is affixed with universal adjustment sphere (3).
4. universal long bone biomechanical fixture according to claim 2, it is characterised in that：Clamp system (7) includes locking
Axis, lock shaft lower part are equipped with external screw thread, and the pedestal is equipped with the threaded hole A (52) that be adapted to lock shaft, have on pressing plate (4) and
The threaded hole B (43) of lock shaft adaptation.
5. universal long bone biomechanical fixture according to claim 4, it is characterised in that：Have on lock shaft and facilitate rotation lock
The cross bar (71) of mandrel.
6. universal long bone biomechanical fixture according to claim 1, it is characterised in that：The threaded hole has three circles.
7. universal long bone biomechanical fixture according to claim 6, it is characterised in that：Threaded hole in two adjacent rings exists
The axial direction of cylinder (1) is misaligned.
8. the universal long bone biomechanical fixture according to claim 1,6 or 7, it is characterised in that：Often circle has 4 screw threads
Hole.
9. universal long bone biomechanical fixture according to claim 1, it is characterised in that：The pedestal (5) is equipped with peace
It fills hole (53).
10. universal long bone biomechanical fixture according to claim 1, it is characterised in that：Tough carrying jig is further included, it is described
Tough carrying jig includes U-shaped arm (10) and threaded rod (102), and the both ends of the U-shaped arm (10) are equipped with what is be adapted to threaded rod (102)
Threaded hole C (101), two threaded hole C (101) faces at U-shaped arm (10) both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368427.2U CN207472667U (en) | 2017-10-23 | 2017-10-23 | A kind of universal long bone biomechanical fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368427.2U CN207472667U (en) | 2017-10-23 | 2017-10-23 | A kind of universal long bone biomechanical fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472667U true CN207472667U (en) | 2018-06-08 |
Family
ID=62264376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721368427.2U Expired - Fee Related CN207472667U (en) | 2017-10-23 | 2017-10-23 | A kind of universal long bone biomechanical fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727492A (en) * | 2017-10-23 | 2018-02-23 | 四川大学 | A kind of universal long bone biomechanical fixture |
| CN112730228A (en) * | 2020-12-23 | 2021-04-30 | 西安鑫垚陶瓷复合材料有限公司 | Bonding tool for testing bonding strength of coating and using method thereof |
-
2017
- 2017-10-23 CN CN201721368427.2U patent/CN207472667U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727492A (en) * | 2017-10-23 | 2018-02-23 | 四川大学 | A kind of universal long bone biomechanical fixture |
| CN112730228A (en) * | 2020-12-23 | 2021-04-30 | 西安鑫垚陶瓷复合材料有限公司 | Bonding tool for testing bonding strength of coating and using method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20191023 |