CN202256029U - Biomechanical test fixing frame of bone specimens - Google Patents
Biomechanical test fixing frame of bone specimens Download PDFInfo
- Publication number
- CN202256029U CN202256029U CN2011203681001U CN201120368100U CN202256029U CN 202256029 U CN202256029 U CN 202256029U CN 2011203681001 U CN2011203681001 U CN 2011203681001U CN 201120368100 U CN201120368100 U CN 201120368100U CN 202256029 U CN202256029 U CN 202256029U
- Authority
- CN
- China
- Prior art keywords
- frame
- hack lever
- screws
- sliding bar
- equidistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Prostheses (AREA)
Abstract
The utility model discloses a biomechanical test fixing frame of bone specimens, which comprises a rectangular frame formed by two long rims and two short rims. Two sliding frame rods and two sliding rods are perpendicular to each other, the two sliding frame rods penetrating through a plurality of screws at intervals are arranged in the rectangular frame and parallel to each other, and the two sliding rods penetrating through a plurality of screws are arranged in the rectangular frame at intervals side by side. Two ends of the sliding frame rods and the short rims are respectively combined in adjusting mode through bolts and locking discs, the sliding frame rods and the sliding rods are respectively combined in adjusting mode through bolts and locking discs, and a bone specimen location area that the screws penetrate through four sides of the same plane is formed in the middle of the rectangular frame. The biomechanical test fixing frame of bone specimens is compact in structure, flexible and convenient, adopts the sliding frame rods and the sliding rods for random adjustment in a slide groove and is located through the bolts and the locking discs. The bone specimens are fixed through bolts on the periphery of the location area according to the size and the shape of the specimens, the biomechanical test fixing frame of bone specimens is suitable for fixation of long bones such as the arm and the thighbone and also short bones of different sections of the spinal column, and the fixation is firm and reliable.
Description
Technical field
The utility model relates to the sample test frame, specifically is a kind of bone specimen biomechanics test fixed mount.
Background technology
At present, in the bone surgery to diseases such as spinal curvature, dislocation, fracture, traffic stud rod fixed system resets, fixes behind the employing backbone clinically; Different according to classification of fracture with the position; To fractured near end of thighbone three pieces of hollow nails, dynamic hip screw (the Dynamic Hip Screw of adopting more; DHS), PFN (Proximal Femoral Nail; PFN), (Dynamic Condylar Screw DCS) waits internal fixation device for compression steel plate, intramedullary nail with lock power condyle screw and power condyle screw.In basic biomechanics experiment, for the sample fracture of different parts, often all be after utilizing internal fixation device or the fixing fracture of external fixator, to carry out the biomechanics test, obtain experimental result.This has just proposed higher requirement to the accuracy that fixator in the experimental implementation process is implanted, the prerequisite that fixator is precisely implanted be exactly must be more firm the experimental specimen that fixes, and the stationary installation of fixed preparation preferably not now.
Summary of the invention
The utility model is exactly in order to solve in the biomechanics experiment, the drawback of fixedly experimental specimen that can not be more firm, and a kind of bone specimen biomechanics test fixed mount is provided.
The present invention realizes by following technical scheme.
A kind of bone specimen biomechanics test fixed mount; Comprise 2 long margin frames and 2 rectangular frames that the minor face frame constitutes; And the slip hack lever that 2 parallel and equidistance run through most screws in rectangular frame with 2 side by side and equidistance to run through the sliding bar of most individual screws vertical each other; Slip hack lever two ends combine through bolt and locking plate adjustment respectively with the minor face frame; The slip hack lever combines through bolt and locking plate adjustment respectively with sliding bar, forms the bone specimen positioning area that screw is charged on four limits, same plane in the middle of the rectangular frame.
The utility model that designs like this, compact conformation, flexible, adopt slip hack lever, sliding bar regulated at will in slide groove, and through bolt and locking plate location.According to size, the shape of experimental specimen, utilize the interior screw all around of positioning area that bone specimen is fixed, be applicable to the fixing of long bones such as humerus, femur, the short bone that also can be used for the backbone different segment is fixed, and fixed form is solid and reliable.
Description of drawings
Fig. 1 is the utility model perspective view;
Fig. 2 is the structural representation of the perpendicular configuration state resected femur of the utility model;
Fig. 3 is the fixedly structural representation of rumpbone of the horizontal state of the utility model;
Fig. 4 is the structural representation of the horizontal state vertebrae immobiles of the utility model.
Among the figure: 1. long margin frame 2. screws
3a, 3b. slip hack lever 4a, 4b. sliding bar
5a.5b. minor face frame 6. bolts
7. tight lock collar 8a.8b. slide groove
9. cylindrical void 10. bases
11. long margin frame 12. femurs
13. rumpbone 14. vertebras
15. drift bolt frame.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in detail.
Fig. 1 is the utility model perspective view; As shown in the figure; A kind of bone specimen biomechanics test fixed mount; Comprise 2 long margin frames 1 and 2 rectangular frames that the minor face frame constitutes; And 2 parallel and equidistance run through most screws 2 in rectangular frame slip hack lever 3a, 3b with 2 side by side and equidistance to run through sliding bar 4a, the 4b of most screws 2 vertical each other, slip hack lever 3a, 3b two ends and minor face frame 5a, 5b adjust through bolt 6 and locking plate 7 respectively and combine, slip hack lever 3a, 3b and sliding bar 4a, 4b adjust through bolt 6 and locking plate 7 respectively and combine; Be " well " word structure, form the bone specimen positioning area that screw is charged on four limits, same plane in the middle of the rectangular frame.
Said bone specimen biomechanics test fixed mount; Its slip hack lever 3a, 3b surface are formed with slide groove 8a along its length; Slip hack lever 3a, 3b both sides equidistance run through most screws 2, and slip hack lever 3a, 3b two ends respectively are combined on the slide groove 8b on rectangular frame minor face frame 5a, 5b surface through bolt 6 and locking plate 7 adjustment.
Said bone specimen biomechanics test fixed mount; Its sliding bar 4a, 4b two ends are along the corresponding cylindrical void 9 that forms of its length direction; Sliding bar 4a, both sides, 4b stage casing equidistance run through most screws 2, and sliding bar 4a, 4b two ends are combined on the slide groove 8a of slip hack lever 3a, 3b through bolt 6 and locking plate 7 adjustment respectively.
Said bone specimen biomechanics test fixed mount, four jiaos of mid points that are vertically connected on isometric shaft-like base 10 respectively of its rectangular frame.Thereby form horizontal or perpendicular " Η " shape base of putting.
Said bone specimen biomechanics test fixed mount, its slip hack lever 3a, 3b and equidistance that runs through equidistance screw 2 runs through sliding bar 4a, the 4b of most screws 2, and most screws 2 are parallel to each other, and spacing is 2cm.
Said bone specimen biomechanics test fixed mount, its long margin frame 1 cross section is square; Slip hack lever 3a, 3b and minor face frame 5a, 5b cross section are the square of being with groove.
Said bone specimen biomechanics test fixed mount, its sliding bar 4a, 4b are have cylindrical void 9 tabular, two side-prominent bottom surfaces, stage casing are formed with the inverted U-shaped drift bolt frame 15 that equidistance runs through most screws 2.
Fig. 2 is the structural representation of the perpendicular configuration state resected femur of the utility model, and Fig. 3 is the fixedly structural representation of rumpbone of the horizontal state of the utility model, and Fig. 4 is the structural representation of the horizontal state vertebrae immobiles of the utility model.
During use; The horizontal as required or perpendicular rectangular frame of putting; Place rectangular frame 1 middle four limits to charge in the bone specimen positioning area of screw bone specimen to be measured, adjustment is combined in the upward two ends of slip hack lever 3a, 3b of minor face frame 5a, 5b slide groove 8b, and with bolt 6 and square locking plate 7 location; Adjustment is combined in sliding bar 4a, the 4b on slip hack lever 3a, the 3b slide groove 8a, and with bolt 6 and square locking plate 7 location.Then, use corresponding interior six spanners turn screw 2 successively, the awl end with slip hack lever 3a, 3b and sliding bar 4a, last most the screws 2 of 4b withstands on bone specimen periphery to be measured, firm fixation bone specimen to be measured at grade.At last, just can on fixed bone specimen to be measured, carry out the implantation of fixator, thereby make the implantation of fixator more accurate.
Claims (7)
1. a bone specimen biomechanics is tested fixed mount; Comprise the rectangular frame that 2 long margin frames (1) and 2 minor face frames (5a), (5b) constitute; It is characterized in that: the slip hack lever (3a), (3b) that 2 parallel and equidistance run through most screws (2) in the rectangular frame with 2 side by side and equidistance to run through sliding bar (4a), (4b) of most screws (2) mutual vertical; Slip hack lever (3a), (3b) two ends combine through bolt (6) and locking plate (7) adjustment respectively with minor face frame (5a), (5b); Slip hack lever (3a), (3b) combine through bolt (6) and locking plate (7) adjustment respectively with sliding bar (4a), (4b), form the bone specimen positioning area that screw is charged on four limits, same plane in the middle of the rectangular frame.
2. according to the said bone specimen biomechanics test of claim 1 fixed mount; It is characterized in that: slip hack lever (3a), (3b) surface are formed with slide groove (8a) along its length; Slip hack lever (3a), (3b) both sides equidistance run through most screws (2), and slip hack lever (3a), (3b) two ends respectively are combined on the slide groove (8b) on rectangular frame minor face frame (5a), (5b) surface through bolt (6) and locking plate (7) adjustment.
3. according to the said bone specimen biomechanics test of claim 1 fixed mount; It is characterized in that: sliding bar (4a), (4b) two ends are along the corresponding cylindrical void (9) that forms of its length direction; Sliding bar (4a), (4b) both sides, stage casing equidistance run through most screws (2), and sliding bar (4a), (4b) two ends are combined on the slide groove (8a) of slip hack lever (3a), (3b) through bolt (6) and locking plate (7) adjustment respectively.
4. according to the said bone specimen biomechanics test of claim 1 fixed mount, it is characterized in that: four jiaos of mid points that are vertically connected on isometric shaft-like base (10) respectively of rectangular frame.
5. according to the said bone specimen biomechanics test of claim 1 fixed mount; It is characterized in that: the slip hack lever (3a), (3b) and the equidistance that run through equidistance screw (2) run through sliding bar (4a), (4b) of most screws (2), and most screw (2) spacings are 2cm.
6. according to the said bone specimen biomechanics test of claim 1 fixed mount, it is characterized in that: long margin frame (1) cross section is square; Slip hack lever (3a), (3b) and minor face frame (5a), (5b) cross section are the square of being with groove.
7. according to the said bone specimen biomechanics test of claim 1 fixed mount, it is characterized in that: sliding bar (4a), (4b) are have cylindrical void (9) tabular, and the both sides, stage casing are formed with the inverted U-shaped drift bolt frame (15) that equidistance runs through most screws (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203681001U CN202256029U (en) | 2011-09-29 | 2011-09-29 | Biomechanical test fixing frame of bone specimens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203681001U CN202256029U (en) | 2011-09-29 | 2011-09-29 | Biomechanical test fixing frame of bone specimens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256029U true CN202256029U (en) | 2012-05-30 |
Family
ID=46117253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203681001U Expired - Lifetime CN202256029U (en) | 2011-09-29 | 2011-09-29 | Biomechanical test fixing frame of bone specimens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784466A (en) * | 2016-05-04 | 2016-07-20 | 烟台东方威思顿电气股份有限公司 | Fixture for fixing connectors of electric energy meter measuring box |
| CN109596441A (en) * | 2018-12-12 | 2019-04-09 | 中国科学院力学研究所 | A kind of device for testing bone anti-twisting property |
| CN114295481A (en) * | 2021-12-31 | 2022-04-08 | 北京力达康科技有限公司 | Multipurpose tool for measuring disassembly force of artificial acetabulum module |
-
2011
- 2011-09-29 CN CN2011203681001U patent/CN202256029U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784466A (en) * | 2016-05-04 | 2016-07-20 | 烟台东方威思顿电气股份有限公司 | Fixture for fixing connectors of electric energy meter measuring box |
| CN105784466B (en) * | 2016-05-04 | 2018-04-03 | 烟台东方威思顿电气有限公司 | A kind of frock that connector is fixed used in box of electric energy meter |
| CN109596441A (en) * | 2018-12-12 | 2019-04-09 | 中国科学院力学研究所 | A kind of device for testing bone anti-twisting property |
| CN114295481A (en) * | 2021-12-31 | 2022-04-08 | 北京力达康科技有限公司 | Multipurpose tool for measuring disassembly force of artificial acetabulum module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hurlbert et al. | A biomechanical evaluation of occipitocervical instrumentation: screw compared with wire fixation | |
| Lei et al. | Biomechanical evaluation of an expansive pedicle screw in calf vertebrae | |
| Lill et al. | Proximal humeral fractures: how stiff should an implant be? A comparative mechanical study with new implants in human specimens | |
| Fogel et al. | Biomechanics of lateral lumbar interbody fusion constructs with lateral and posterior plate fixation | |
| US20120022600A1 (en) | Anterior transpedicular screw-and-plate system | |
| Slosar Jr et al. | Instability of the lumbar burst fracture and limitations of transpedicular instrumentation | |
| CN202256029U (en) | Biomechanical test fixing frame of bone specimens | |
| Prabavathy et al. | Morphometric study of cervical vertebrae C3-C7 in South Indian population–a clinico-anatomical approach | |
| AU2018330957B9 (en) | Adjustable double-slot internal spinal fixation apparatus and bone screw | |
| Zindl et al. | Kinematic behavior of a novel pedicle screw‐rod fixation system for the canine lumbosacral joint | |
| Fogel et al. | In vitro evaluation of stiffness and load sharing in a two-level corpectomy: comparison of static and dynamic cervical plates | |
| Basso | Internal fixation of fragility fractures of the femoral neck: Ex vivo biomechanical studies | |
| Heidecke et al. | Occipito-cervical fusion with the cervical Cotrel-Dubousset rod system | |
| Daniel et al. | Biomechanical stability of a posterior-alone fixation technique after craniovertebral junction realignment | |
| Pitzen et al. | Insertion torque and pullout force of rescue screws for anterior cervical plate fixation in a fatigued initial pilot hole | |
| Peijie | Comparison of the short-segment and long-segment cement-augmented pedicle screw fixation for osteoporotic thoracolumbar fracture: a finite element study | |
| CN204410946U (en) | A kind of elastic vertebra dynamic pedicle screw system | |
| Shaw et al. | Transverse connectors providing increased stability to the cervical spine rod-screw construct: an in vitro human cadaveric study | |
| CN101601600B (en) | Spinous internal-fixation device | |
| CN102697547A (en) | Regulatory dynamic pressing interlocking type intramedullary fixing system | |
| Hongo et al. | Junction kinematics between proximal mobile and distal fused lumbar segments: biomechanical analysis of pedicle and hook constructs | |
| CN115607250A (en) | Intelligent orthopedic implant, monitoring system thereof and state judgment method | |
| Makarevich | Historical aspects of transpedicular fixation of the spine: literature review | |
| RU2281056C2 (en) | Device for directed formation of channels in vertebrae | |
| Hakim et al. | Surgical treatment of femoral neck fractures in young adults |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |