CN103989517B - The guider of the solid pedicle nail of Thoracolumbar disk - Google Patents
The guider of the solid pedicle nail of Thoracolumbar disk Download PDFInfo
- Publication number
- CN103989517B CN103989517B CN201410191604.9A CN201410191604A CN103989517B CN 103989517 B CN103989517 B CN 103989517B CN 201410191604 A CN201410191604 A CN 201410191604A CN 103989517 B CN103989517 B CN 103989517B
- Authority
- CN
- China
- Prior art keywords
- pipe
- straight trough
- conical pipe
- mouth
- conical
- 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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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/846—Nails or pins, i.e. anchors without movable parts, holding by friction only, with or without structured surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
Abstract
The invention discloses the guider of the solid pedicle nail of Thoracolumbar disk, including the conical pipe being sequentially connected with from front to back, cylindrical channel pipe and fixed handle, fixed handle has the through hole through with the rear end mouth of pipe of cylindrical channel pipe；The cross section of conical pipe is gradually increased from front to back；The mouth of pipe of conical pipe rear end docks with the mouth of pipe of cylindrical channel pipe front end, and forms annular connecting line, offers the arcuate groove of a plurality of mutual separation along this annular connecting line；Middle part along a portion arcuate groove is through on the conical pipe tube wall in mouth of pipe direction, conical pipe front end offers long straight trough, the middle part of remaining arcuate groove is through on the conical pipe tube wall in mouth of pipe direction, conical pipe front end offers short straight trough, offering the first straight trough on the conical pipe tube wall in the direction of short straight trough front end along the conical pipe front end mouth of pipe, the rear end of the first straight trough separately and forms the first connecting portion with the front end of short straight trough.The present invention can realize the self-steering of solid pedicle nail simple to operately, accurately to put nail.
Description
Technical field
The present invention relates to the accessory of pedicle nail, be specifically related to the guider of the solid pedicle nail of Thoracolumbar disk.
Background technology
The pedicle nail of existing percutaneous Thoracolumbar disk is mostly hollow pedicle nail, and it needs guide pin to guide UR to implant, and operation complexity causes wound relatively big, the most usually blocked by external force or flexural deformation, ultimately results in that to put nail position inaccurate.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide the guider of the solid pedicle nail of Thoracolumbar disk, the self-steering of solid pedicle nail can be realized, accurately to put nail simple to operately.
The purpose of the present invention adopts the following technical scheme that realization:
The guider of the solid pedicle nail of Thoracolumbar disk, including the conical pipe being sequentially connected with from front to back, cylindrical channel pipe and fixed handle, having the through hole through with the rear end mouth of pipe of cylindrical channel pipe on fixed handle, the internal diameter of this through hole is equal with the internal diameter of the cylindrical channel pipe rear end mouth of pipe；The cross section of conical pipe is gradually increased from front to back；The mouth of pipe of conical pipe rear end docks with the mouth of pipe of cylindrical channel pipe front end, and forms annular connecting line, offers the arcuate groove of a plurality of mutual separation along this annular connecting line；Middle part along a portion arcuate groove is through on the conical pipe tube wall in mouth of pipe direction, conical pipe front end offers long straight trough, the middle part of remaining arcuate groove is through on the conical pipe tube wall in mouth of pipe direction, conical pipe front end offers short straight trough, offering the first straight trough on the conical pipe tube wall in the direction of short straight trough front end along the conical pipe front end mouth of pipe, the rear end of the first straight trough separately and forms the first connecting portion with the front end of short straight trough；Long straight trough, short straight trough and the first straight trough are all symmetrical arranged with the centerline axis of conical pipe.
Preferably, connecting along described annular and also have multiple second straight trough on the conical pipe tube wall in mouth of pipe direction, alignment conical pipe front end, the front end mouth of pipe of each second straight trough and conical pipe is to interval and forms the second connecting portion.
Preferably, described second straight trough is between long straight trough and short straight trough.
Preferably, described fixed handle is a cross bar, and this cross bar is vertical with cylindrical channel pipe, and described through hole is opened in the middle part of cross bar.
Preferably, described cross bar also extends through and offers two screwed holes, and two screwed holes are symmetrically set in the both sides of described through hole.
Preferably, a diameter of 1mm ~ 3mm of described through hole.
Preferably, the tapering of described conical pipe is 5 ° ~ 10 °.
Compared to existing technology, the beneficial effects of the present invention is:
(1) present invention is available for entering conical pipe after solid vertebral arch nail sequentially passes through through hole, cylindrical channel pipe, at long straight trough, short straight trough and the first straight trough by under the disjunction effect of conical pipe tube wall, solid pedicle nail will strut conical pipe, solid-cone bow nail will in conical pipe self-steering, accurate contraposition；Specifically, conical pipe is completely disconnected by long straight trough, capillary portion is disconnected by short straight trough and the first straight trough, the part that arcuate groove is disconnected for the tube wall of conical pipe is propped up by solid pedicle nail, keeping the elasticity of conical pipe tube wall on the basis of preventing tear, the most accurate centering guides, and the first connecting portion maintains the structural strength of conical pipe tube wall simultaneously, it is beneficial to be formed more powerful elastic force and the automatic accurate para-position of the most solid pedicle nail guides, it is achieved easy, accurately put nail；
(2) second straight trough of the present invention is between long straight trough and short straight trough, for uniformly offer long straight trough the fracture that conical pipe produces is strutted effect and offer short straight trough, elastic reaction that conical pipe is produced by the first straight trough, simultaneously, second connecting portion can maintain again the structural strength of conical pipe tube wall, the elastic strength making conical pipe entirety all angles is uniform, being beneficial to solid pedicle nail further and obtain stress evenly in conical pipe, the most solid pedicle nail accurate contraposition guides.
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the perspective view of the guider of the solid pedicle nail of Thoracolumbar disk of the present invention；
Fig. 2 is that the guider of the solid pedicle nail of Thoracolumbar disk of the present invention guides, with solid pedicle nail, the schematic diagram assembled.
In figure: 1, conical pipe；2, cylindrical channel pipe；3, fixed handle；31, through hole；32, screwed hole；4, annular connecting line；5, arcuate groove；6, long straight trough；7, short straight trough；8, the first straight trough；9, the first connecting portion；10, solid pedicle nail；11, the second straight trough；12, the second connecting portion.
Detailed description of the invention
The guider of the solid pedicle nail of Thoracolumbar disk as shown in Figure 1 and 2, including the conical pipe 1 being sequentially connected with from front to back, cylindrical channel pipe 2 and fixed handle 3, having the through hole 31 through with the rear end mouth of pipe of cylindrical channel pipe 2 on fixed handle 3, the internal diameter of this through hole 31 is equal with the internal diameter of the cylindrical channel pipe 2 rear end mouth of pipe；The cross section of conical pipe 1 is gradually increased from front to back；The mouth of pipe of conical pipe 1 rear end docks with the mouth of pipe of cylindrical channel pipe 2 front end, and forms annular connecting line 4, offers the arcuate groove 5 of a plurality of mutual separation along this annular connecting line 4；Middle part along a portion arcuate groove 5 is through on conical pipe 1 tube wall in mouth of pipe direction, conical pipe 1 front end offers long straight trough 6, the middle part of remaining arcuate groove 5 is through on conical pipe 1 tube wall in mouth of pipe direction, conical pipe 1 front end offers short straight trough 7, offering the first straight trough 8 on conical pipe 1 tube wall in the direction of short straight trough 7 front end along the conical pipe 1 front end mouth of pipe, the rear end of the first straight trough 8 separately and forms the first connecting portion 9 with the front end of short straight trough 7；Long straight trough 6, short straight trough 7 and the first straight trough 8 are all symmetrical arranged with the centerline axis of conical pipe 1.
What this guider was particularly well-suited to the solid pedicle nail of Thoracolumbar disk 10 puts nail operation, and wherein, conical pipe 1, cylindrical channel pipe 2 and fixed handle 3 can use medical alloy or medical stainless steel that model is 317-L to make.Especially, arcuate groove 5 and long straight trough 6 form " T " shape cell body, a diameter of 2mm of through hole 31, it is possible to select in the range of 1mm ~ 3mm, be beneficial to solid pedicle nail 10 and enter the primary guide effect of through hole 31, cylindrical channel pipe 2.The tapering of excellent conical pipe 1 is 8 °, it is possible to select in the range of 5 ° ~ 10 °, is beneficial to keep the clamping force of conical pipe 1, can get again good self-steering effect simultaneously.
The general clamping force for conical pipe 1 being formed elasticity, it is the multiple straight troughs directly arranging and running through the conical pipe 1 front end mouth of pipe and the rear end mouth of pipe, this mode is after solid pedicle nail 10 struts conical pipe 1, conical pipe 1 intensity is not enough, it is difficult to form enough clamping forces to keep the accurate centering of solid pedicle nail 10 to guide, and repeatedly strut the most fragile conical pipe 1 tube wall being broken off, and the conical pipe 1 of this guider is different from existing this structure.As shown in Figure 2, when solid pedicle nail 10 puts nail operation using this guider as guiding, hand-held or outside manipulator clamping lives fixed handle 3, the ailhead of solid pedicle nail 10 passes sequentially through through hole 31 and cylindrical channel pipe 2 enters conical pipe 1, and under the effect of long straight trough 6, solid pedicle nail 10 cracks the tube wall of whole conical pipe 1 along long straight trough 6, simultaneously, under the effect of arcuate groove 5, can prevent conical pipe 1 tube wall annularly connecting line 4 from tearing, keep the elasticity of conical pipe 1 tube wall simultaneously；Short straight trough 7 and the first straight trough 8 now will play the internal division effect to conical pipe 1 tube wall, make conical pipe 1 tube wall more full of elasticity, to clamp solid pedicle nail 10, first connecting portion 9 plays the interconnection function to conical pipe 1 tube wall simultaneously, structural strength can be kept, it is ensured that solid pedicle nail 10 obtains enough clamping forces.
Annularly connecting line 4 also has multiple second straight trough 11 on conical pipe 1 tube wall in mouth of pipe direction, conical pipe 1 front end, and the front end mouth of pipe of each second straight trough 11 and conical pipe 1 is to interval and forms the second connecting portion 12.Second straight trough 11 struts effect for uniformly offering long straight trough 6 and offers the elastic reaction that conical pipe 1 is produced by short straight trough the 7, first straight trough 8 fracture that conical pipe 1 produces, simultaneously, second connecting portion 12 can maintain again the structural strength of conical pipe 1 tube wall, the elastic strength making the overall all angles of conical pipe 1 is uniform, is beneficial to solid pedicle nail 10 further and obtains stress evenly in conical pipe 1
For the most uniformly conical pipe 1 clamping force to solid pedicle nail 10, the second straight trough 11 is between long straight trough 6 and short straight trough 7.
For ease of this guider by outside manipulator clamping or hand-held, fixed handle 3 is a cross bar, and this cross bar is vertical with cylindrical channel pipe 2, and through hole 31 is opened in the middle part of cross bar.And particular for adapting to outside this guider of manipulator clamping, making clamping action consolidate, cross bar also extends through and offers two screwed holes 32, and two screwed holes 32 are symmetrically set in the both sides of through hole 31, two screwed holes 32 can be spirally connected with the screw of outside mechanical hand, it is achieved dismountable firm connection.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to limit the scope of protection of the invention with this, and change and the replacement of any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to scope of the present invention.
Claims (7)
1. the guider of the solid pedicle nail of Thoracolumbar disk, it is characterized in that: include conical pipe, cylindrical channel pipe and the fixed handle being sequentially connected with from front to back, having the through hole through with the rear end mouth of pipe of cylindrical channel pipe on fixed handle, the internal diameter of this through hole is equal with the internal diameter of the cylindrical channel pipe rear end mouth of pipe；The cross section of conical pipe is gradually increased from front to back；The mouth of pipe of conical pipe rear end docks with the mouth of pipe of cylindrical channel pipe front end, and forms annular connecting line, offers the arcuate groove of a plurality of mutual separation along this annular connecting line；Middle part along a portion arcuate groove is through on the conical pipe tube wall in mouth of pipe direction, conical pipe front end offers long straight trough, the middle part of remaining arcuate groove is through on the conical pipe tube wall in mouth of pipe direction, conical pipe front end offers short straight trough, offering the first straight trough on the conical pipe tube wall in the direction of short straight trough front end along the conical pipe front end mouth of pipe, the rear end of the first straight trough separately and forms the first connecting portion with the front end of short straight trough；Long straight trough, short straight trough and the first straight trough are all symmetrical arranged with the centerline axis of conical pipe.
The guider of the solid pedicle nail of Thoracolumbar disk the most according to claim 1, it is characterized in that: connecting along described annular and also have multiple second straight trough on the conical pipe tube wall in mouth of pipe direction, alignment conical pipe front end, the front end mouth of pipe of each second straight trough and conical pipe is to interval and forms the second connecting portion.
The guider of the solid pedicle nail of Thoracolumbar disk the most according to claim 2, it is characterised in that: described second straight trough is between long straight trough and short straight trough.
The guider of the solid pedicle nail of Thoracolumbar disk the most according to claim 1, it is characterised in that: described fixed handle is a cross bar, and this cross bar is vertical with cylindrical channel pipe, and described through hole is opened in the middle part of cross bar.
The guider of the solid pedicle nail of Thoracolumbar disk the most according to claim 4, it is characterised in that: described cross bar also extends through and offers two screwed holes, and two screwed holes are symmetrically set in the both sides of described through hole.
6. according to the guider of the solid pedicle nail of Thoracolumbar disk described in any one of claim 1 ~ 5, it is characterised in that: a diameter of 1mm ~ 3mm of described through hole.
7. according to the guider of the solid pedicle nail of Thoracolumbar disk described in any one of claim 1 ~ 5, it is characterised in that: the tapering of described conical pipe is 5 ° ~ 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191604.9A CN103989517B (en) | 2014-05-07 | 2014-05-07 | The guider of the solid pedicle nail of Thoracolumbar disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191604.9A CN103989517B (en) | 2014-05-07 | 2014-05-07 | The guider of the solid pedicle nail of Thoracolumbar disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103989517A CN103989517A (en) | 2014-08-20 |
| CN103989517B true CN103989517B (en) | 2016-12-07 |
Family
ID=51304031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410191604.9A Expired - Fee Related CN103989517B (en) | 2014-05-07 | 2014-05-07 | The guider of the solid pedicle nail of Thoracolumbar disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103989517B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2502582A1 (en) * | 2011-03-25 | 2012-09-26 | National Cheng Kung University | Guiding assembly for spinal drilling operation |
| CN103476353A (en) * | 2011-02-02 | 2013-12-25 | 山姆·菲利乔托 | Surgical systems and methods thereof |
| CN103519876A (en) * | 2012-07-06 | 2014-01-22 | 常州市康辉医疗器械有限公司 | Internal fixing device for minimally-invasive percutaneous penetration |
| CN103908330A (en) * | 2014-03-31 | 2014-07-09 | 广州医科大学附属第一医院 | Self-guide long-arm solid percutaneous pedicle screw |
| CN203970530U (en) * | 2014-05-07 | 2014-12-03 | 广州医科大学附属第一医院 | The guider of the solid pedicle nail of breast lumbar vertebra |
-
2014
- 2014-05-07 CN CN201410191604.9A patent/CN103989517B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476353A (en) * | 2011-02-02 | 2013-12-25 | 山姆·菲利乔托 | Surgical systems and methods thereof |
| EP2502582A1 (en) * | 2011-03-25 | 2012-09-26 | National Cheng Kung University | Guiding assembly for spinal drilling operation |
| CN103519876A (en) * | 2012-07-06 | 2014-01-22 | 常州市康辉医疗器械有限公司 | Internal fixing device for minimally-invasive percutaneous penetration |
| CN103908330A (en) * | 2014-03-31 | 2014-07-09 | 广州医科大学附属第一医院 | Self-guide long-arm solid percutaneous pedicle screw |
| CN203970530U (en) * | 2014-05-07 | 2014-12-03 | 广州医科大学附属第一医院 | The guider of the solid pedicle nail of breast lumbar vertebra |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103989517A (en) | 2014-08-20 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |