CN205665118U - Fixing system's compression experiment device in femoral fracture - Google Patents
Fixing system's compression experiment device in femoral fracture Download PDFInfo
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- CN205665118U CN205665118U CN201620277147.XU CN201620277147U CN205665118U CN 205665118 U CN205665118 U CN 205665118U CN 201620277147 U CN201620277147 U CN 201620277147U CN 205665118 U CN205665118 U CN 205665118U
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Abstract
The utility model relates to a fixing system's compression experiment device in femoral fracture, including the femoral fracture model, coaptation board, screw, clamp plate, pressure head, weight, dabber, crossbeam, guide rail, slider, connecting plate, stand, guide rail support, bottom plate, adjustable stabilizer blade, fixing base, bone cement. Install stand, guide rail support on the bottom plate, the crossbeam is equipped with on stand upper portion, guide rail support on the crossbeam with adorn the guide rail support fixed guide on the bottom plate. Rail block passes through the connecting plate and links to each other, is equipped with the clamp plate on the connecting plate, has the dabber of installation weight on the clamp plate. Be equipped with the pressure head under the clamp plate, the inner chamber of pressure head below is pressed on the head of femur of femoral fracture model that awaits measuring, and the distal end of femoral fracture model is adorned in the cavity of base to use the bone cement filled clearance. The base is fixed in the bottom plate upper surface. There are four adjustable stabilizer blades the bottom plate below, passes through the screw thread with the bottom plate and links to each other. The utility model discloses can be simply swift to the loading of loading of fixing system in the femoral fracture.
Description
Technical field
This utility model belongs to design and the manufacture field of a kind of Fracture internal fixaiion system compresses experimental provision, particularly to
A kind of compression test device of Fracture of femur internal fixation system.
Background technology
At present in the research of the methods of internal fixation of fracture, compression experiment is a kind of conventional method.And use omnipotent power
Learn testing machine and carry out the compression test of internal fixation system, it may appear that fixture does not mates, stroke limiting, some testing machine can not pressurizes
Etc. problem.
Summary of the invention
The purpose of this utility model is: a kind of Fracture of femur internal fixation system of offer (Femoral Fracture Model-blade plate-
Screw) compression test device.Simple in construction of the present utility model, imposed load is convenient, fast, can with strain testing instrument,
3-dimensional digital speckle strain measurement analyser etc. is used in combination.
This utility model solves its technical problem and be the technical scheme is that the pressure of a kind of Fracture of femur internal fixation system
Contracting experimental provision, including Femoral Fracture Model, blade plate, screw, pressing plate, pressure head, counterweight, mandrel, crossbeam, guide rail, slide block, connects
Fishplate bar, column, guide rail bearing, base plate, adjustable support leg, fixing seat, bone cement.
Being provided with the column of two "door" types, two guide rail bearings on described base plate, described column top is equipped with crossbeam, horizontal
Equipped with two guide rail bearings on beam, this guide rail bearing is identical with the Rail mount structures being loaded on base plate；Crossbeam lower surface is installed
Guide rail bearing corresponding with the guide rail bearing being loaded on plate upper surface below, parallel fix two cylindrical slideways.Described two
Being respectively provided with a slide block on root guide rail, two slide blocks are connected by a connecting plate, equipped with pressing plate on connecting plate, and table on pressing plate
Face is equipped with the mandrel installing counterweight.Equipped with pressure head below described pressing plate, pressure head is pressed on the femoral head of Femoral Fracture Model to be measured,
The shape of pressure head inner chamber is consistent with the shape of the femoral head corresponding position pressed.The far-end of described Femoral Fracture Model is loaded on fixing
In the cavity of seat, and use Cement fixation gap.Described fixing seat is contained in plate upper surface.Equipped with four adjustable supportings below base plate
Foot, described adjustable support leg is connected by screw thread with base plate.
Slide block, connecting plate, pressing plate, pressure head, counterweight, mandrel constitute press member of the present utility model, can be according to institute
State the height of Fracture of femur internal fixation system to be measured, move up and down along guide rail and adjust initial position.
The beneficial effects of the utility model: can simple and fast Fracture of femur internal fixation system is carried out load on,
And can combine with instruments such as strain testing instrument, 3-dimensional digital speckle strain measurement analysers and carry out mechanical analysis.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model, and a root post has been carried out broken section process, to show rear
Structure.
Fig. 2 is pressure head 2 and the partial sectional view of fixing seat 14 of installation Femoral Fracture Model of the present utility model.
1. Femoral Fracture Model in figure, 2. pressure head, 3. pressing plate, 4. counterweight, 5. mandrel, 6. crossbeam, 7. guide rail, 8. slide block,
9. connecting plate, 10. column, 11. guide rail bearings, 12. base plates, 13. adjustable support legs, 14. fix seat, 15. screws, 16. blade plates,
17. bone cements.
Detailed description of the invention
Embodiment 1, the compression test device of a kind of Fracture of femur internal fixation system, as it is shown in figure 1, two "door" types is vertical
Post 10 is arranged on base plate 12, and crossbeam 6 is arranged on column, adjusts guide rail bearing 11 and makes the axis of guide rail 7 be perpendicular to base plate 12
Upper surface, slide block 8 is connected with connecting plate 9, and connecting plate 9 is fixed in pressing plate 3 side, pressing plate 3 upper surface equipped with mandrel 5, in
The porose dish type counterweight 4 of the heart is contained on mandrel 5.Pressing plate 3 opposite side lower surface installs pressure head 2.Fixing seat 14 is loaded on base plate 12
Surface.Equipped with 4 adjustable support legs 13 below base plate 12.
In practice behaviour, described compression test device is positioned over horizontal plane, eliminates institute by regulation adjustable support leg 13
State rocking of experimental provision.Femoral Fracture Model 1, blade plate 16, screw 15 are assembled into be analyzed by the requirement of analytical plan
Fracture of femur internal fixation system (as shown in Figure 2).Slide block 8, connecting plate 9, pressing plate 3, pressure head 2, counterweight 4, mandrel 5 are constituted
Press member rises to extreme higher position along guide rail 7, then the far-end of described Femoral Fracture Model 1 is put into the cavity of fixing seat 14
In, decline described press member, the femoral head of Femoral Fracture Model 1 is loaded in the inner chamber under pressure head 2.Adjust Fracture of femur mould
The backbone of type 1 and the angle of base plate 12 upper surface, when making this angle and people stand on the horizontal level between femoral shaft and ground
Angle is identical.In the cavity of fixing seat 14, inject the slurry of bone cement 17, wait that bone cement slurry fully solidifies, by femur bone
Folding model 1 is solidificated in fixing seat 14.According to required imposed load size, the counterweight 4 of corresponding weight is contained in core when carrying out experiment
On axle 5.
Claims (5)
1. a compression test device for Fracture of femur internal fixation system, including Femoral Fracture Model (1), pressure head (2), pressing plate
(3), counterweight (4), mandrel (5), crossbeam (6), guide rail (7), slide block (8), connecting plate (9), column (10), guide rail bearing (11),
Base plate (12), adjustable support leg (13), fixing seat (14), screw (15), blade plate (16), bone cement (17)；It is characterized in that: described
Being provided with the column (10) of two "door" types, two guide rail bearings (11) on base plate (12), described column (10) top is equipped with horizontal stroke
Beam (6), crossbeam (6) lower surface is equipped with two guide rail bearings (11), with the guide rail bearing being loaded on base plate (12) upper surface below
(11) corresponding, parallel fix two cylindrical slideways (7)；It is respectively provided with a slide block (8) on described two guide rails (7), and leads to
Crossing a connecting plate (9) to be connected, equipped with pressing plate (3) on connecting plate (9), pressing plate (3) upper surface is equipped with the mandrel installing counterweight (4)
(5)；Pressing plate (3) lower section is equipped with pressure head (2).
The compression test device of Fracture of femur internal fixation system the most according to claim 1, is characterized in that: described femur bone
The far-end of folding model (1) is loaded in the cavity of fixing seat (14), and fills gap with bone cement (17)；Described fixing seat (14) is solid
Due to base plate (12) upper surface；Base plate (12) lower section, equipped with four adjustable support legs (13), is connected by screw thread with base plate (12).
The compression test device of Fracture of femur internal fixation system the most according to claim 1, is characterized in that: pressure head (2) is pressed
On the femoral head of Femoral Fracture Model to be measured (1), the shape of pressure head (2) inner chamber and the stock of Femoral Fracture Model (1) pressed
The shape of bone corresponding position is consistent.
The compression test device of Fracture of femur internal fixation system the most according to claim 1, is characterized in that: be contained in mandrel
(5) weight of the counterweight (4) on can be increased or decreased according to the needs of imposed load.
The compression test device of Fracture of femur internal fixation system the most according to claim 1, is characterized in that: by slide block (8),
The press member that connecting plate (9), pressing plate (3), pressure head (2), counterweight (4), mandrel (5) are constituted can move up and down along guide rail and adjust
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620277147.XU CN205665118U (en) | 2016-04-06 | 2016-04-06 | Fixing system's compression experiment device in femoral fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620277147.XU CN205665118U (en) | 2016-04-06 | 2016-04-06 | Fixing system's compression experiment device in femoral fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205665118U true CN205665118U (en) | 2016-10-26 |
Family
ID=57164077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620277147.XU Active CN205665118U (en) | 2016-04-06 | 2016-04-06 | Fixing system's compression experiment device in femoral fracture |
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| CN (1) | CN205665118U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125480A (en) * | 2019-06-05 | 2019-08-16 | 湖南泰嘉新材料科技股份有限公司 | A kind of detection method and detection system of the side deformation of bands for band back |
| CN110296903A (en) * | 2019-07-17 | 2019-10-01 | 山东省医疗器械产品质量检验中心 | Special-shaped bone plate Mechanics Performance Testing harness and test method |
| CN111650041A (en) * | 2020-06-09 | 2020-09-11 | 哈尔滨工业大学 | Femur static compression and compression-compression fatigue test method |
-
2016
- 2016-04-06 CN CN201620277147.XU patent/CN205665118U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125480A (en) * | 2019-06-05 | 2019-08-16 | 湖南泰嘉新材料科技股份有限公司 | A kind of detection method and detection system of the side deformation of bands for band back |
| CN110296903A (en) * | 2019-07-17 | 2019-10-01 | 山东省医疗器械产品质量检验中心 | Special-shaped bone plate Mechanics Performance Testing harness and test method |
| CN110296903B (en) * | 2019-07-17 | 2024-05-24 | 山东省医疗器械产品质量检验中心 | Mechanical property testing harness and testing method for special-shaped bone fracture plate |
| CN111650041A (en) * | 2020-06-09 | 2020-09-11 | 哈尔滨工业大学 | Femur static compression and compression-compression fatigue test method |
| CN111650041B (en) * | 2020-06-09 | 2021-07-13 | 哈尔滨工业大学 | Femur static compression and compression-compression fatigue test method |
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| GR01 | Patent grant |