CN204446074U - A kind of spinal reduction device - Google Patents
A kind of spinal reduction device Download PDFInfo
- Publication number
- CN204446074U CN204446074U CN201520130865.XU CN201520130865U CN204446074U CN 204446074 U CN204446074 U CN 204446074U CN 201520130865 U CN201520130865 U CN 201520130865U CN 204446074 U CN204446074 U CN 204446074U
- Authority
- CN
- China
- Prior art keywords
- restoring board
- receiving opening
- arranges
- utensil receiving
- locking member
- 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 - Fee Related
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Abstract
The utility model discloses a kind of spinal reduction device, comprise tranverse connecting rod, restoring board, locking member and the first pedicle nail, second pedicle nail, wherein, first pedicle nail is coordinated by gear and tooth bar with between restoring board, restoring board number is two, be respectively the first restoring board and the second restoring board, one end of first restoring board arranges utensil receiving opening, the opening of utensil receiving opening is parallel with the axle of the first restoring board, utensil receiving opening opening arranges the first through hole, one end of second restoring board arranges the extension bar matched with described utensil receiving opening, and the second through hole matched with described utensil receiving opening is set, at the first through hole, second through hole installs bearing pin, described locking member upper side wall arranges screwed hole, and locking member upper end arranges the locking nut mated with described screwed hole.The beneficial effects of the utility model are, can realize restoring board and pedicle nail carries out position adjustments simultaneously, and this structure is easy to adjust, and fixed effect is good.
Description
Technical field
This utility model relates to a kind of spinal reduction device, especially a kind of spinal reduction device.
Background technology
At present, spinal reduction device is very crucial in restoring backbone operation, in operation process, in existing restoring backbone structure, standing the putting of pedicle nail and tranverse connecting rod position only has a locations of structures scalable, in operation process, adjusting position has certain inconvenience, and the patient different for build cannot be suitable for.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of spinal reduction device.
For achieving the above object, this utility model adopts following technical proposals:
A kind of spinal reduction device, comprise tranverse connecting rod, restoring board, locking member and the first pedicle nail, second pedicle nail, wherein, first pedicle nail is coordinated by gear and tooth bar with between restoring board, restoring board number is two, be respectively the first restoring board and the second restoring board, one end of first restoring board arranges utensil receiving opening, the opening of utensil receiving opening is parallel with the axle of the first restoring board, utensil receiving opening opening arranges the first through hole, one end of second restoring board arranges the extension bar matched with described utensil receiving opening, and the second through hole matched with described utensil receiving opening is set, at the first through hole, second through hole installs bearing pin,
Described locking member upper side wall arranges screwed hole, and locking member upper end arranges the locking nut mated with described screwed hole;
Described tranverse connecting rod is flexibly connected with locking member, and described locking member arranges the groove placing tranverse connecting rod.
Described utensil receiving opening is circular arc type.
Described tranverse connecting rod is fixedly connected with locking member.
Described utensil receiving opening width is 5-10mm.
The beneficial effects of the utility model are, this spinal reduction device carries out position adjustments by rack and pinion cooperation to pedicle nail, because restoring board is arranged to 2, by on locking member and restoring board utensil receiving opening and extension bar regulate restoring board position, and use locking member to lock two restoring boards, can realize restoring board and pedicle nail carries out position adjustments simultaneously, described structure is easy to adjust, and fixed effect is good.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is locking member partial side elevation view;
Fig. 3 is tranverse connecting rod partial side elevation view;
Fig. 4 is tranverse connecting rod top partial view diagram;
Wherein 1. restoring boards (1-1. first restoring board, 1-2. second restoring board), 2. tranverse connecting rod, 3. locking member, 4. locking nut, 5. the first pedicle nail, 6. tooth bar, 7. the second pedicle nail, 8. utensil receiving opening, 9. extension bar.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further illustrated.
As depicted in figs. 1 and 2, a kind of spinal reduction device, comprise tranverse connecting rod 2, restoring board 1, locking member 3 and the first pedicle nail 5, second pedicle nail 7, wherein, first pedicle nail 5 is coordinated by gear and tooth bar 6 with between restoring board 1, restoring board 1 number is two, be respectively the first restoring board 1-1 and the second restoring board 1-2, one end of first restoring board 1-1 arranges utensil receiving opening 8, the opening of utensil receiving opening 8 is parallel with the axle of the first restoring board 1-1, utensil receiving opening 8 opening arranges the first through hole 10, one end of second restoring board 1-2 arranges the extension bar 9 matched with described utensil receiving opening 8, and the second through hole 11 matched with described utensil receiving opening 8 is set, at the first through hole 10, second through hole 11 installs bearing pin,
As shown in Figure 2, described locking member 3 upper side wall arranges screwed hole, and locking member 3 upper end arranges the locking nut 4 mated with described screwed hole;
Described tranverse connecting rod 2 is flexibly connected with locking member 3, and described locking member 3 arranges the groove placing tranverse connecting rod 2.
Described utensil receiving opening 8 is circular arc type;
Described tranverse connecting rod 2 is fixedly connected with locking member 3;
Described utensil receiving opening 8 width is 5-10mm;
The beneficial effects of the utility model are, this spinal reduction device carries out position adjustments by rack and pinion cooperation to pedicle nail, because restoring board is arranged to 2, by on locking member and restoring board utensil receiving opening and extension bar regulate restoring board position, and use locking member to lock two restoring boards, can realize restoring board and pedicle nail carries out position adjustments simultaneously, described structure is easy to adjust, and fixed effect is good.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (5)
1. a spinal reduction device, it is characterized in that, comprise tranverse connecting rod, restoring board, locking member and the first pedicle nail, second pedicle nail, wherein, first pedicle nail is coordinated by gear and tooth bar with between restoring board, restoring board number is two, be respectively the first restoring board and the second restoring board, one end of first restoring board arranges utensil receiving opening, the opening of utensil receiving opening is parallel with the axle of the first restoring board, utensil receiving opening opening arranges the first through hole, one end of second restoring board arranges the extension bar matched with described utensil receiving opening, and the second through hole matched with described utensil receiving opening is set, at the first through hole, second through hole installs bearing pin, described locking member upper side wall arranges screwed hole, and locking member upper end arranges the locking nut mated with described screwed hole.
2. a kind of spinal reduction device as claimed in claim 1, is characterized in that, described tranverse connecting rod is flexibly connected with locking member, and described locking member arranges the groove placing tranverse connecting rod.
3. a kind of spinal reduction device as claimed in claim 1, is characterized in that, described utensil receiving opening is circular arc type.
4. a kind of spinal reduction device as claimed in claim 1, is characterized in that, described tranverse connecting rod is fixedly connected with locking member.
5. a kind of spinal reduction device as claimed in claim 1, is characterized in that, described utensil receiving opening width is 5-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130865.XU CN204446074U (en) | 2015-03-06 | 2015-03-06 | A kind of spinal reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130865.XU CN204446074U (en) | 2015-03-06 | 2015-03-06 | A kind of spinal reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204446074U true CN204446074U (en) | 2015-07-08 |
Family
ID=53653029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520130865.XU Expired - Fee Related CN204446074U (en) | 2015-03-06 | 2015-03-06 | A kind of spinal reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204446074U (en) |
-
2015
- 2015-03-06 CN CN201520130865.XU patent/CN204446074U/en not_active Expired - Fee Related
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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: 20150708 Termination date: 20160306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |