CN203898414U - Minimally invasive spine nail - Google Patents
Minimally invasive spine nail Download PDFInfo
- Publication number
- CN203898414U CN203898414U CN201420109824.8U CN201420109824U CN203898414U CN 203898414 U CN203898414 U CN 203898414U CN 201420109824 U CN201420109824 U CN 201420109824U CN 203898414 U CN203898414 U CN 203898414U
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- CN
- China
- Prior art keywords
- groove
- linking arm
- minimally invasive
- nail
- spine nail
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- 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 - Fee Related
Links
- 238000001356 surgical procedure Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000002324 minimally invasive surgery Methods 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000031294 Upper limb fractures Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 208000037816 tissue injury Diseases 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model discloses a minimally invasive spine nail which comprises a connecting part connected with a spine nail sleeve and a plant part planted into a skeleton, wherein the connecting part comprises a first connecting arm and a second connecting arm; the first connecting arm and the second connecting arm are respectively provided with mutually vertical grooves, so as to prevent the spine nail from moving back and forth along the axial direction of the sleeve in the spine nail sleeve or rotating left and right in a direction vertical to the axial direction, so that the stability of the minimally invasive spine nail in a minimally invasive spine surgery is ensured.
Description
Technical field
This utility model relates to surgical medical equipment field, relates in particular to a kind of minimally invasive spine nail.
Background technology
Minimally invasive spinal surgery technology is to extend evolution from surgery puncture technique, since 20 century 70s, minimally invasive spinal surgery technical development is advanced by leaps and bounds, Minimally Invasive Surgery reduces operating time, reduce the sickness rate of complication, alleviate Shu Zhong tissue injury and hemorrhage, shorten patient's recovery time, alleviate operation pain, and otch is attractive in appearance, shorten and be in hospital and rehabilitation duration, reduce drug use and the Financial cost of the cost of being in hospital, along with scientific and technological development, vertebral column minimally invasive technology is using the part as conventional surgical technology, become a main trend of internal fixation of spine technical development.
As everyone knows, pedicle screw in vertebral articulations fixing operation be minimally invasive spine nail be for example used for the treatment of by vegetation, grow change, many illness of congenital, the traumatic and caused spinal column of degenerative disease, minimally invasive spine nail technology has fixedly advantage of three posts, be a kind of very ripe spinal surgery technology, be widely used.Conventionally the securing members such as minimally invasive spine nail, hook implanted and fixed with vertebral body, by pitman, connecting, then fix with holding screw, playing a supportive role.In order to guarantee carrying out smoothly of operation, in operation process, minimally invasive spine nail can not move, and to its steadiness, requires very high.
Utility model content
In order to solve the firm problem of minimally invasive spine nail in vertebra Minimally Invasive Surgery, this utility model provides a kind of minimally invasive spine nail, comprise and connect the connecting portion of spine nail sleeve pipe and implant the implanting portion in skeleton, it can effectively prevent in operation process, the moving forward and backward or rotate of spine nail.
For achieving the above object, this utility model provides a kind of minimally invasive spine nail, comprise connecting portion and implanting portion, connecting portion has the first linking arm and the second linking arm, the first linking arm is provided with the first groove, the second linking arm is provided with the second groove, the first groove and the second groove all perpendicular to spine nail axially.Connecting portion is used for connecting spine nail sleeve pipe, and implanting portion is used for implanting in skeleton.Fixing or mobilizable one end that is connected to connecting portion, implanting portion.The first groove and the second groove can match with the flange on spine nail internal surface of sleeve pipe, thereby in operation process, the flange on spine nail internal surface of sleeve pipe is inserted in the first and second grooves and prevented that spine nail from moving forwards, backwards along quill in spine nail sleeve pipe.
Further, the first linking arm is provided with the 3rd groove, and the second linking arm is provided with the 4th groove, and the 3rd groove is perpendicular to the first groove, and the 4th groove is perpendicular to the second groove.The 3rd groove and the 4th groove can match with the ridge on spine nail internal surface of sleeve pipe, thereby prevent the rotation of spine nail in spine nail sleeve pipe.The set-up mode of the ridge on spine nail internal surface of sleeve pipe can be flange or the column inwardly protruding.
Further, on the first linking arm and the second linking arm, be also respectively equipped with snap slot, snap slot is axial perpendicular to spine nail, and the first linking arm and the second linking arm are set to can fracture along snap slot under external force.
Further, snap slot is positioned at a side of the close implanting portion of the first groove and the second groove.
Further, the groove face of close implanting portion one side of the first groove and the second groove is inclined-plane, away from the groove face of implanting portion one side for facing directly.This design can effectively prevent that in operation process, spine nail is deviate from spine nail sleeve pipe, and facilitates the flange on spine nail internal surface of sleeve pipe to snap in smoothly in the first groove and the second groove.
Further, the first groove and the 3rd groove journey decussation, the second groove and the 4th groove journey decussation.
Further, snap slot near the groove face of implanting portion one side for facing directly, away from the groove face inclined-plane of implanting portion one side.When the first linking arm and the second linking arm fracture at snap slot place, can form smooth section.
Further, snap slot is divided into reservation paragraph and reject section by the first linking arm and the second linking arm, and the width of reject section is less than the width of reservation paragraph.Because the alloy material of manufacture spine nail is comparatively expensive, material has been saved in design of the present utility model, has reduced and has become to produce cost.
The beneficial effects of the utility model are, at minimally invasive spine nail linking part, orthogonal groove is set, prevent spine nail in spine nail sleeve pipe along quill to move forward and backward or left rotation and right rotation perpendicular to axial direction, in assurance vertebra Minimally Invasive Surgery, minimally invasive spine nail is firm, and the width that reject section is set is less than the width of reservation paragraph, when meeting requirements of operation, save material, reduce costs.
Below with reference to accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is described further, to understand fully the purpose of this utility model, feature and effect.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of preferred embodiment of the present utility model;
Fig. 2 is the front view of preferred embodiment of the present utility model;
Fig. 3 is the partial enlarged drawing of the connecting portion in preferred embodiment of the present utility model;
Fig. 4 is the connection layout of minimally invasive spine nail and spine nail sleeve pipe in preferred embodiment of the present utility model.
The specific embodiment
As Fig. 1 and Fig. 2 are respectively axonometric chart and the front view of this utility model preferred embodiment, comprise connecting portion 1 and implanting portion 2, connecting portion has the first linking arm 11 and the second linking arm 12, connection layout in conjunction with the minimally invasive spine nail shown in Fig. 4 with spine nail sleeve pipe, connecting portion 1 is for connecting spine nail sleeve pipe 3, and implanting portion 2 is for implanting in skeleton.Fixing or mobilizable one end that is connected to connecting portion 1, implanting portion 2.Be illustrated in figure 3 the partial enlarged drawing of the connecting portion 1 in preferred embodiment of the present utility model, the first linking arm 11 is provided with the first groove 111, the second linking arm be provided with the second groove 121, the first grooves 111 and the second groove 121 all perpendicular to spine nail axially.The first groove 111 and the second groove 121 can match with the flange 31 on spine nail internal surface of sleeve pipe, flange 31 on spine nail internal surface of sleeve pipe is inserted in the first groove 111 and the second groove 121, thereby prevents that spine nail from moving along quill forwards, backwards spine nail sleeve pipe 3 is interior.And on the first linking arm 11, be provided with the 3rd groove 112, the second linking arms 12 be provided with the 4th groove 122, the three grooves 112 perpendicular to the first groove 111, the four grooves 122 perpendicular to the second groove 121.The 3rd groove 112 and the 4th groove 121 can match with the ridge on spine nail sleeve pipe 3 inwalls, thereby prevent the rotation of spine nail in spine nail sleeve pipe 3.
As can be clearly seen that in Fig. 3, on the first linking arm 11 and the second linking arm 12, be also respectively equipped with snap slot 13, snap slot 13 is axial perpendicular to spine nail, and the first linking arm 11 and the second linking arm 12 are set to can fracture along snap slot 13 under external force.Snap slot 13 is positioned at a side of the close implanting portion 2 of the first groove 111 and the second groove 121.The groove face of close implanting portion 2 one sides of the first groove 111 and the second groove 121 is inclined-plane, away from the groove face of implanting portion 2 one sides for facing directly.This design can effectively prevent that in operation process, spine nail is deviate from spine nail sleeve pipe 3, and facilitates the flange 31 on spine nail sleeve pipe 3 inwalls to snap in smoothly in the first groove 111 and the second groove 121.And the first groove 111 and the 3rd groove 112 are designed to decussation, the second groove 121 and the 4th groove 122 are designed to decussation too.Snap slot 13 for facing directly, is inclined-plane away from the groove face of implanting portion 2 one sides near the groove face of implanting portion 2 one sides.When the first linking arm 11 and the second linking arm 12 fracture at snap slot 13 places, can form smooth section.Snap slot 13 is divided into reservation paragraph and reject section by the first linking arm 11 and the second linking arm 12, and the width of reject section is less than the width of reservation paragraph.Because the alloy material of manufacture spinal column nail seat is comparatively expensive, material has been saved in such design, has reduced and has become to produce cost.
At minimally invasive spine nail linking part, orthogonal groove is set, prevent spine nail in spine nail sleeve pipe 3 along quill to move forward and backward or left rotation and right rotation perpendicular to axial direction, in assurance vertebra Minimally Invasive Surgery, minimally invasive spine nail is firm, and the width that reject section is set is less than the width of reservation paragraph, when meeting requirements of operation, save material, reduce costs.
More than describe preferred embodiment of the present utility model in detail.The ordinary skill that should be appreciated that this area just can be made many modifications and variations according to design of the present utility model without creative work.Therefore, all technical staff in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in the determined protection domain by claims.
Claims (7)
1. a minimally invasive spine is followed closely, comprise connecting portion and implanting portion, it is characterized in that, described connecting portion has the first linking arm and the second linking arm, described the first linking arm is provided with the first groove, described the second linking arm is provided with the second groove, described the first groove and described the second groove all perpendicular to described spine nail axially;
Described the first linking arm is provided with the 3rd groove, and described the second linking arm is provided with the 4th groove, and described the 3rd groove is perpendicular to described the first groove, and described the 4th groove is perpendicular to described the second groove.
2. minimally invasive spine as claimed in claim 1 is followed closely, it is characterized in that, on described the first linking arm and described the second linking arm, be also respectively equipped with snap slot, described snap slot is axial perpendicular to described spine nail, and described the first linking arm and described the second linking arm are set to can fracture along described snap slot under external force.
3. minimally invasive spine nail as claimed in claim 2, is characterized in that, described snap slot is positioned at a side of the close described implanting portion of described the first groove and described the second groove.
4. minimally invasive spine as claimed in claim 1 nail, is characterized in that, the groove face of close described implanting portion one side of described the first groove and described the second groove is inclined-plane, away from the groove face of described implanting portion one side for facing directly.
5. minimally invasive spine nail as claimed in claim 1, is characterized in that described the first groove and described the 3rd groove journey decussation, described the second groove and described the 4th groove journey decussation.
6. minimally invasive spine as claimed in claim 2 nail, is characterized in that, described snap slot for facing directly, is inclined-plane away from the groove face of described implanting portion one side near the groove face of described implanting portion one side.
7. minimally invasive spine nail as claimed in claim 2, is characterized in that, described snap slot is divided into reservation paragraph and reject section by described the first linking arm and described the second linking arm, and the width of described reject section is less than the width of described reservation paragraph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109824.8U CN203898414U (en) | 2014-03-11 | 2014-03-11 | Minimally invasive spine nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109824.8U CN203898414U (en) | 2014-03-11 | 2014-03-11 | Minimally invasive spine nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898414U true CN203898414U (en) | 2014-10-29 |
Family
ID=51772718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420109824.8U Expired - Fee Related CN203898414U (en) | 2014-03-11 | 2014-03-11 | Minimally invasive spine nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899365A (en) * | 2019-03-13 | 2019-06-18 | 博瑞康有限公司 | Bolt |
-
2014
- 2014-03-11 CN CN201420109824.8U patent/CN203898414U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899365A (en) * | 2019-03-13 | 2019-06-18 | 博瑞康有限公司 | Bolt |
| CN109899365B (en) * | 2019-03-13 | 2021-02-26 | 博瑞康有限公司 | Bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |