CN2782036Y - Front route cocking steel plate for vertebra - Google Patents
Front route cocking steel plate for vertebra Download PDFInfo
- Publication number
- CN2782036Y CN2782036Y CN 200520101864 CN200520101864U CN2782036Y CN 2782036 Y CN2782036 Y CN 2782036Y CN 200520101864 CN200520101864 CN 200520101864 CN 200520101864 U CN200520101864 U CN 200520101864U CN 2782036 Y CN2782036 Y CN 2782036Y
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- screw
- steel plate
- screw hole
- hole
- utility
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Abstract
The utility model discloses a front route locking steel plate for vertebrae, which is composed of a steel plate and a screw, wherein the steel plate is provided with a screw hole; the screw hole is a tapered screw thread hole; the tail end of the screw is provided with tapered screw threads; the screw is screwed in the screw hole; the center position of the steel plate is provided with the screw hole; the screw hole forms a 'figure eight 'shape; the cross section of the steel plate forms a cambered shape; the separation angle beta of the axle wire of the screw hole and the axle wire of the steel plate is 0 to 5DEG; the screw and the steel plate of the utility model can automatically firmly fix; the screw is not easy to loosen, the steel plate and the screw can still firmly integrate in case after the screw loosens, a fixed supporting frame function is formed, and thus, the fixation of the vertebrae is firm.
Description
Technical field: this utility model relates to the preceding road of a kind of vertebra locking steel plate, belongs to the technical field of armarium.
Background technology: in the internal fixation operation of the preceding road of spinal column, the fixation principle of the internal fixation steel plate of use is that screw pressurization back fixation steel plate is fixed between screw and the bone, and screw itself can not fixedly secure voluntarily with steel plate.Constant intensity between screw and the steel plate depends on the intensity of screw pressurization, because the vertebral body bone is a spongy bone, occurs screw loosening easily, occurs swing between screw and the steel plate and causes fixing not firmly and make, and influences surgical effect.
Summary of the invention: the purpose of this utility model is: the preceding road of a kind of vertebra locking steel plate is provided, screw on it itself can fixedly secure voluntarily with steel plate, screw is difficult for loosening, even and screw occur between loosening back steel plate and the screw still can strong bonded, form the fixed support effect, make the fixing more firm of spinal column like this, to overcome the existing problem that exists.
This utility model is to constitute like this: the preceding road of vertebra locking steel plate, it is made of steel plate (1) and screw (2), on steel plate (1), have screw hole (3), screw hole (3) is a conical screw hole, the tail end of screw (2) is a tapered thread, screw (2) screws in screw hole (3), middle position at steel plate (1) is provided with common screw (4), for the ease of fixing, screw hole (3) is designed to the figure of eight, simultaneously, because the spinal column body is a circular arc, docile and obedient for ease of this utility model and spinal column, the cross-sectional design of steel plate (1) is an arc, and wherein the angle β of the axis of the axis of screw hole (3) and steel plate (1) is 0 °～5 °.
Compared with prior art, this utility model is designed to conical screw hole with the screw hole on the internal fixation of spine steel plate, the tail end of screw is designed to tapered thread, and the tapered thread of screw is corresponding with the tapered thread in steel plate screw hole, screw is by being threaded in the screw hole, screw combines with the screw-like that is combined between the steel plate, make the degree that is connected firmly between steel plate and the screw and steel plate with the pressure independent between the bone, screw is difficult for loosening, after even becoming flexible appears in screw, still can strong bonded between steel plate and the screw, form the fixed support effect, make the fixing more firm of spinal column; Strutting and reset for vertebra, can be with being driven into the epicentral screw that struts up and down in advance, (go up vertebral body center lower edge away from hold-down screw punching place as far as possible, hypocentrum center upper limb) distraction reduction, be convenient to place the bone piece, and the vertical shape of implantable bone piece is pressurizeed, the resilience force pressurization of leaning on the contraction of muscle and removing the dilator posterior spinal, but such pressurization is limited, for avoiding the implantable bone piece loosening, this utility model has been opened a common screw at the middle position of steel plate, so that with screw plant bone mass and steel plate are fixed; This utility model all is designed to the figure of eight with the vertebra type screw hole on the steel plate, makes each screw all have two screw hole locations selective, has made things convenient for the fixing of screw; And because spinal column is cylindrical, for the ease of making steel plate and vertebral body docile and obedient, this product is an arc with the cross-sectional design of steel plate, and the angle β of the axis of the axis of screw hole and steel plate is 0 °～5 °, makes steel plate to be fixed on the spinal column like this.
Description of drawings:
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the A-A cutaway view of Fig. 1; Fig. 3 is the structural representation of screw; Fig. 4 is a user mode sketch map of the present utility model.
The specific embodiment:
Embodiment 1 of the present utility model: as shown in Figure 1, the preceding road of vertebra of the present utility model locking steel plate, constitute by steel plate (1) and screw (2), on the corner location of steel plate (1), respectively have the screw hole (3) of a figure of eight, screw hole (3) is taper, is provided with screw thread (5) on hole wall; The tail end of screw (2) is taper, and is provided with screw thread (6) on the tail end surface of its taper, and screw thread (5) is corresponding with screw thread (6), and screw (2) inserts screw hole (3) back and is fastened on the steel plate (1) by screw thread (6) and screw thread (5); Screw (4) is arranged on the middle position of steel plate (1), and screw (4) is common screw, and it is used for screw and passes pivot bone piece and steel plate (1) are fixed together; The transverse section of steel plate (1) is an arc, and the angle β of the axis of the axis of screw hole (3) and steel plate (1) is 5 °.
Embodiment 2 of the present utility model: the preceding road of vertebra of the present utility model locking steel plate is made of steel plate (1) and screw (2), on the corner location of steel plate (1), respectively have the screw hole (3) of a figure of eight, screw hole (3) is taper, is provided with screw thread (5) on hole wall; The tail end of screw (2) is taper, and is provided with screw thread (6) on the tail end surface of its taper, and screw thread (5) is corresponding with screw thread (6), and screw (2) inserts screw hole (3) back and is fastened on the steel plate (1) by screw thread (6) and screw thread (5); The transverse section of steel plate (1) is an arc, and the angle β of the axis of the axis of screw hole (3) and steel plate (1) is 3 °.
This utility model in use, steel plate (1) is placed on the correct position of spinal column (7), be inserted into screw (2) in the screw hole (3) and screw, insert screw at the screw (4) that is being arranged in steel plate (1) middle position then, plant bone mass and steel plate (1) are fixed together to get final product.Because everyone physique differs, the size dimension of the steel plate in this utility model (1), screw hole (3), screw (2) can be designed to various different sizes according to practical situation.
Claims (4)
1, the preceding road of a kind of vertebra locking steel plate, it is made of steel plate (1) and screw (2), has screw hole (3) on steel plate (1), and it is characterized in that: screw hole (3) is a conical screw hole, the tail end of screw (2) is a tapered thread, and screw (2) screws in screw hole (3).
2, according to the preceding road of the described vertebra of claim 1 locking steel plate, it is characterized in that: the middle position at steel plate (1) is provided with screw (4).
3, according to the preceding road of the described vertebra of claim 1 locking steel plate, it is characterized in that: screw hole (3) is the figure of eight.
4, according to the preceding road of the described vertebra of claim 1 locking steel plate, it is characterized in that: the transverse section of steel plate (1) is an arc, and the angle β of the axis of the axis of screw hole (3) and steel plate (1) is 0 °～5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101864 CN2782036Y (en) | 2005-04-27 | 2005-04-27 | Front route cocking steel plate for vertebra |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101864 CN2782036Y (en) | 2005-04-27 | 2005-04-27 | Front route cocking steel plate for vertebra |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2782036Y true CN2782036Y (en) | 2006-05-24 |
Family
ID=36767031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520101864 Expired - Fee Related CN2782036Y (en) | 2005-04-27 | 2005-04-27 | Front route cocking steel plate for vertebra |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2782036Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785698A (en) * | 2010-02-10 | 2010-07-28 | 中国人民解放军第二军医大学 | Low incisura inclined screw hole acetabulum back wall bone fracture plate |
| CN103598910A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Anterior spinal fixation plate |
| CN107137137A (en) * | 2017-06-01 | 2017-09-08 | 成都贝施美医疗设备有限公司 | A kind of new spinal fixing device |
| CN107582158A (en) * | 2017-09-11 | 2018-01-16 | 哈尔滨医科大学 | Anatomical form articulatio sacroiliaca locking steel plate |
| WO2020118852A1 (en) * | 2018-12-11 | 2020-06-18 | 北京爱康宜诚医疗器材有限公司 | Steel locking plate and steel locking plate assembly having same |
-
2005
- 2005-04-27 CN CN 200520101864 patent/CN2782036Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785698A (en) * | 2010-02-10 | 2010-07-28 | 中国人民解放军第二军医大学 | Low incisura inclined screw hole acetabulum back wall bone fracture plate |
| CN103598910A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Anterior spinal fixation plate |
| CN107137137A (en) * | 2017-06-01 | 2017-09-08 | 成都贝施美医疗设备有限公司 | A kind of new spinal fixing device |
| CN107137137B (en) * | 2017-06-01 | 2023-06-06 | 成都贝施美医疗设备有限公司 | Novel backbone is fixed device |
| CN107582158A (en) * | 2017-09-11 | 2018-01-16 | 哈尔滨医科大学 | Anatomical form articulatio sacroiliaca locking steel plate |
| WO2020118852A1 (en) * | 2018-12-11 | 2020-06-18 | 北京爱康宜诚医疗器材有限公司 | Steel locking plate and steel locking plate assembly having same |
| US11331127B2 (en) | 2018-12-11 | 2022-05-17 | Beijing AK Medical Co., Ltd. | Locking steel plate and locking steel plate assembly with locking steel plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060524 |