CN202933006U - Pedicle screw and pedicle screw connector - Google Patents
Pedicle screw and pedicle screw connector Download PDFInfo
- Publication number
- CN202933006U CN202933006U CN 201220604550 CN201220604550U CN202933006U CN 202933006 U CN202933006 U CN 202933006U CN 201220604550 CN201220604550 CN 201220604550 CN 201220604550 U CN201220604550 U CN 201220604550U CN 202933006 U CN202933006 U CN 202933006U
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- China
- Prior art keywords
- pedicle screw
- union joint
- lag
- pedicle
- screw
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- Expired - Lifetime
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Abstract
The utility model relates to a pedicle screw and a pedicle screw connector. The pedicle screw comprises a screw body and a connecting head, wherein the connecting head is provided with a U-shaped groove, the connecting head is divided into a left plate body and a right plate body by the U-shaped groove, the outer walls of the left plate body and the right plate body are respectively provided with a left connecting groove and a right connecting groove, and a left locating groove and a right locating groove are also respectively arranged on the outer walls of the left plate body and the right plate body and below the left connecting groove and the right connecting groove. The pedicle screw connector is a tube body which is opened at two ends, wherein one end of the tube body is used as a mounting end, the wall thickness of the mounting end is smaller than that of the tube body, an annular mounting groove is formed in the inner wall of the mounting end and is internally provided with a left connecting raised ridge and a right connecting raised ridge which both extend along the length direction of the tube body, and a left locating convex block and a right locating convex block are respectively arranged below the left connecting raised ridge and the right connecting raised ridge. The pedicle screw and the pedicle screw connector provided by the utility model are matched so as to be more convenient to use, and the pedicle screw connector can also be used for spinal column orthopedics.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments for orthopaedics, relates to specifically a kind of backbone correcting pedicle screw used and pedicle screw adapter.
Background technology
Pedicle screw is the parts that the patient of deformity of spine commonly uses in orthopedic process, existing pedicle screw, comprise screw body and union joint, union joint is shorter, is provided with hexagonal socket nut on union joint, by the apparatus that matches with hexagonal socket nut with in pedicle screw implant into body spinal column, inconvenient operation and apparatus are stressed yielding in implantation process, in addition, this pedicle screw uses inconvenience because union joint is shorter in orthopedic process.
The utility model content
The purpose of this utility model is to provide a kind of pedicle screw, and it is more convenient that it inserts human body.
Another purpose of the present utility model is to provide a kind of pedicle screw adapter, and it is convenient to match its implant into body with pedicle screw.
To achieve these goals, technical solution of the present utility model is: a kind of pedicle screw, comprise screw body and union joint, have U-lag on union joint, this U-lag is divided into symmetrical left and right plate body with union joint, described left and right plate body outer wall is respectively equipped with left and right link slot, and described left and right link slot all extends along the length direction of union joint, and also is respectively equipped with left and right locating slot on left and right plate body outer wall below left and right link slot.
This utility model pedicle screw, wherein, described union joint inwall is provided with screw thread.
This utility model pedicle screw, wherein, all the direction to screw body diminishes the degree of depth of described left and right link slot gradually from union joint.
This utility model pedicle screw, wherein, described left plate body outer wall is provided with the left folding fault trough between left link slot and left locating slot, the external wall of described right panel is provided with the right folding fault trough between right link slot and right locating slot, described left and right snap slot is positioned at sustained height and all along the circumferential extension of described union joint.
This utility model pedicle screw, wherein, the length of described union joint is 15-200mm.
a kind of pedicle screw adapter, described pedicle screw adapter is the body of both ends open, described body one end is installation end, the wall thickness of installation end is less than the wall thickness of body, form the ring-type mounting groove at the installation end inwall, be provided with a symmetrical left side in the ring-type mounting groove, right connection fin, left, right connection fin all extends along the body length direction, left, right connection fin below is respectively equipped with a left side, right locating convex block, left, the left side that right connection fin nails on described pedicle of vertebral arch screw respectively, right link slot matches, left, the left side that right locating convex block nails on described pedicle of vertebral arch screw respectively, right locating slot matches.
This utility model pedicle screw adapter, wherein, described body one end is provided with short U-lag, the other end is provided with long U-lag, and the end that body is provided with long U-lag is divided into symmetrical left and right body by long U-lag, and described installation end is positioned at described left and right body end.
This utility model pedicle screw adapter, wherein, described left and right connection fin is the end thickness attenuation gradually to close left and right locating convex block from initiating terminal.
This utility model pedicle screw adapter, wherein, the end outer wall that described body is provided with short U-lag is provided with external screw thread.
After adopting such scheme, therefore this utility model pedicle screw is convenient to adopt the pedicle of vertebral arch adapter with its implant into body in operation process owing to being provided with left and right link slot and left and right locating slot, uses more convenient.
In addition, left and right plate body outer wall is provided with left and right snap slot, is convenient to part long on left and right plate body is fractureed; Union joint length is longer, pedicle screw is connected more stable with adapter.
Therefore this utility model pedicle of vertebral arch adapter is convenient to match with pedicle screw owing to being provided with symmetrical left and right connection fin and left and right locating convex block at the installation end inwall, conveniently inserts pedicle screw.
In addition, because pedicle of vertebral arch adapter body one end is provided with short U-lag, the other end is provided with long U-lag, an end that is provided with long U-lag is divided into left and right body by long U-lag, and tube wall is provided with external screw thread, therefore be convenient to pass through other operating theater instruments application of force on the pedicle of vertebral arch adapter in the backbone correcting process, avoid directly nailing on the application of force and causing the situation than macrolesion to occur to human body at pedicle of vertebral arch screw.
Description of drawings
Fig. 1 is the front view of this utility model pedicle screw;
Fig. 2 is the left view of this utility model pedicle screw;
Fig. 3 is that the master of this utility model pedicle screw looks cutaway view;
Fig. 4 is the cutaway view of this utility model pedicle screw adapter;
Fig. 5 is the cutaway view after this utility model pedicle screw and the assembling of pedicle screw adapter.
The specific embodiment
as Fig. 1, 2, shown in 3, this utility model pedicle screw comprises screw body 1 and union joint 2, and union joint 2 inwalls are provided with screw thread, the length of union joint 2 is 15-200mm, near the length of screw body 1, have U-lag on union joint 2, U-lag is divided into a symmetrical left side with union joint 2, right panel body 21, 22, a left side, right panel body 21, 22 outer walls are respectively equipped with a left side, right link slot 211, 221, a left side, right link slot 211, 221 all extend along the length direction of union joint 2, and left, right link slot 211, 221 the degree of depth all diminishes to screw body 1 direction gradually from union joint 2, a left side, right panel body 21, 22 outer walls also are respectively equipped with a left side, right locating slot 212, 222, a left side, right locating slot 212, 222 lay respectively at a left side, right link slot 211, 221 belows, and left plate body 21 outer walls are provided with left folding fault trough 213 between left link slot 211 and left locating slot 212, and right panel body 22 outer walls are provided with right folding fault trough 223, a left side between right link slot 221 and right locating slot 222, right folding fault trough 213, 223 are positioned at sustained height and all along the circumferential extension of union joint 2.
as shown in Figure 4, pedicle screw adapter 3 is the body of both ends open, body one end is provided with short U-lag 31, the other end is provided with long U-lag 32, the tube wall that is provided with short U-lag is provided with screw thread, the end that body is provided with long U-lag 32 is divided into a symmetrical left side by long U-lag, right body 33, 34, left, right body 33, it is left that 34 ends are respectively, right installation end, left, the wall thickness of right installation end is respectively less than a left side, the wall thickness of right body, on a left side, right body 33, 34 inwalls form respectively a left side, right ring- type mounting groove 331, 341, left, right ring-type mounting groove 331, be respectively equipped with a symmetrical left side in 341, right connection fin 332, 342, left, right connection fin 332, 342 all extend along the body length direction, left, right connection fin 332, 342 belows are respectively equipped with a left side, right locating convex block 333, 343, left, right connection fin 332, 342 from initiating terminal near left, right locating convex block 333, an end thickness attenuation gradually of 343.
as shown in Figure 5, in use procedure, the union joint 2 of pedicle screw is snapped in the left side of pedicle screw adapter 3 from bottom to top, right ring-type mounting groove 331, in 341, and the left side on pedicle screw adapter 3, right connection fin 332, 342 are resisted against respectively the left side of pedicle screw, right link slot 211, in 221, the left side of pedicle screw adapter 3, right locating convex block 333, 343 fix the left side at the union joint 2 of pedicle screw, right locating slot 212, in 222, make pedicle screw and pedicle screw adapter stable connection reliable, not only reliable and stable in the process with the pedicle screw implant into body, easy to use, and pedicle of vertebral arch adapter 3 also can be used for backbone correcting, in orthopedic process, by other operating theater instruments application of force on pedicle of vertebral arch adapter 3, avoid directly nailing on the application of force and causing the situation than macrolesion to occur to human body at pedicle of vertebral arch screw, after orthopedic completing, by a left side, the right folding fault trough is upper left with union joint 2, the long part of right panel body fractures.
The above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from this utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (9)
1. pedicle screw, comprise screw body (1) and union joint (2), union joint has U-lag on (2), this U-lag is divided into a symmetrical left side with union joint (2), right panel body (21, 22), it is characterized in that: a described left side, right panel body (21, 22) outer wall is respectively equipped with a left side, right link slot (211, 221), a described left side, right link slot (211, 221) all extend along the length direction of union joint (2), and left, right panel body (21, 22) on outer wall on a left side, right link slot (211, 221) below also is respectively equipped with a left side, right locating slot (212, 222).
2. pedicle screw as claimed in claim 1, it is characterized in that: described union joint (2) inwall is provided with screw thread.
3. pedicle screw as claimed in claim 2, it is characterized in that: all the direction to screw body (1) diminishes the degree of depth of described left and right link slot (211,221) gradually from union joint (2).
4. pedicle screw as claimed in claim 3, it is characterized in that: described left plate body (21) outer wall is provided with left folding fault trough (213) between left link slot (211) and left locating slot (212), described right panel body (22) outer wall is provided with right folding fault trough (223) between right link slot (221) and right locating slot (222), described left and right snap slot (213,223) is positioned at sustained height and all along the circumferential extension of described union joint (2).
5. pedicle screw as claimed in claim 4, it is characterized in that: the length of described union joint (2) is 15-200mm.
6. pedicle screw adapter, it is characterized in that: described pedicle screw adapter is the body of both ends open, described body one end is installation end, the wall thickness of installation end is less than the wall thickness of body, form the ring-type mounting groove at the installation end inwall, be provided with a symmetrical left side in the ring-type mounting groove, right connection fin (332, 342), left, right connection fin (332, 342) all extend along the body length direction, left, right connection fin (332, 342) below is respectively equipped with a left side, right locating convex block (333, 343), left, right connection fin (332, 342) left side that nails on described pedicle of vertebral arch screw respectively, right link slot (211, 221) match, left, right locating convex block (333, 343) left side that nails on described pedicle of vertebral arch screw respectively, right locating slot (212, 222) match.
7. pedicle screw adapter as claimed in claim 6, it is characterized in that: described body one end is provided with short U-lag (31), the other end is provided with long U-lag (32), the end that body is provided with long U-lag (32) is divided into symmetrical left and right body (33,34) by long U-lag, and described installation end is positioned at described left and right body (33,34) end.
8. pedicle screw adapter as claimed in claim 7 is characterized in that: described left and right connection fin (332,342) from initiating terminal to the end thickness attenuation gradually near left and right locating convex block (333,343).
9. pedicle screw adapter as claimed in claim 8, it is characterized in that: the end outer wall that described body is provided with short U-lag (31) is provided with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604550 CN202933006U (en) | 2012-11-15 | 2012-11-15 | Pedicle screw and pedicle screw connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604550 CN202933006U (en) | 2012-11-15 | 2012-11-15 | Pedicle screw and pedicle screw connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202933006U true CN202933006U (en) | 2013-05-15 |
Family
ID=48317272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604550 Expired - Lifetime CN202933006U (en) | 2012-11-15 | 2012-11-15 | Pedicle screw and pedicle screw connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202933006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920503A (en) * | 2012-11-15 | 2013-02-13 | 寇万红 | Pedicle screw and pedicle screw connector |
-
2012
- 2012-11-15 CN CN 201220604550 patent/CN202933006U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920503A (en) * | 2012-11-15 | 2013-02-13 | 寇万红 | Pedicle screw and pedicle screw connector |
| CN102920503B (en) * | 2012-11-15 | 2015-08-26 | 寇万红 | pedicle screw and pedicle screw connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130515 Effective date of abandoning: 20150826 |
|
| RGAV | Abandon patent right to avoid regrant |