CN201668493U - Intramedullary nail sighting device - Google Patents
Intramedullary nail sighting device Download PDFInfo
- Publication number
- CN201668493U CN201668493U CN2010201678103U CN201020167810U CN201668493U CN 201668493 U CN201668493 U CN 201668493U CN 2010201678103 U CN2010201678103 U CN 2010201678103U CN 201020167810 U CN201020167810 U CN 201020167810U CN 201668493 U CN201668493 U CN 201668493U
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- Prior art keywords
- hole
- sight
- screw
- lag screw
- intramedullary pin
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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
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- 238000004080 punching Methods 0.000 abstract 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses an intramedullary nail sighting device which comprises an intramedullary nail sight and a tension screw sleeve. The intramedullary nail sight comprises a sight main body and a hanging screw. The front end of the sight main body is provided with a tension screw sighting hole and a locking screw sighting hole. The gradients of the tension screw sighting hole and the locking screw sighting hole are respectively identical to the gradients of a tension hole and a locking hole on the intramedullary nail. The rear end of the sight main body is provided with a sight locking hole. The hanging screw is in the threaded connection with the sight locking hole. The tension screw sleeve comprises a sleeve body and a fine tuning nut. The axial direction of the sleeve body is provided with a tension screw punching hole. The tension screw punching hole is a through hole. A threaded section is arranged in the middle of the sleeve body. The fine turning nut is in threaded connection with the threaded section of the sleeve body. The utility model can precisely aim to the tension hole and the locking hole on the intramedullary nail so that the tension screw is punched to the very precise position. The intramedullary nail sighting device has simple, steady and reliable structure.
Description
Technical field
This utility model relates to the intramedullary pin sighting device.
Background technology
At present, many clinically employing intramedullary pins are treated fracture, and this technology is little to the fracture site influence, and can realize broken ends of fractured bone pressurization, has lot of advantages.In the operation that the intramedullary nail treatment fracture is installed, squeeze into lag screw and lock-screw on the intramedullary pin and need use corresponding sight and screw sleeve, the aiming of sight must be very accurate, and the connection between sight and the screw sleeve is highly stable, otherwise will influence carrying out smoothly of bone surgery, prolong the time of operation; The lag screw sleeve can not be squeezed into deeply or shallow excessively during use, and lag screw and lag screw driver all should not be shaken in the process of squeezing into, and increase unnecessary misery to patient.
The utility model content
The purpose of this utility model is to provide a kind of intramedullary pin sighting device, can accurately aim at pulling force hole and locking hole on the intramedullary pin, makes lag screw be driven into point-device position, and is simple in structure and reliable and stable.
The technical scheme that realizes this utility model purpose is: a kind of intramedullary pin sighting device comprises intramedullary pin sight and lag screw sleeve; The intramedullary pin sight comprises the sight main body and hangs tight screw, the front end of described sight main body is provided with lag screw sight hole and lock-screw sight hole, the gradient of lag screw sight hole and lock-screw sight hole is identical with pulling force hole and locking hole on the intramedullary pin respectively, and the rear end of sight main body is provided with the sight locking hole; The described screw that hangs tight is threaded with the sight locking hole; The lag screw sleeve comprises sleeve body and fine-tuning nut, and the lag screw that is axially arranged with of sleeve body is squeezed into the hole, and it is through hole that lag screw is squeezed into the hole, and the centre of sleeve body is provided with thread segment, and fine-tuning nut is threaded with the thread segment of sleeve body.
Described intramedullary pin sight also comprises cover plate, card and spring, and the upper end of the lag screw sight hole of described sight main body is provided with perpendicular draw-in groove; Described cover plate is fixed on the top of the draw-in groove inside of sight main body, and the centre is provided with and the corresponding circular hole of lag screw sight hole; Described card is by being connected the bottom of the draw-in groove of sight main body with spring, and is slidingly connected with it, and the centre of card also is provided with and the corresponding hole of lag screw sight hole.
The rear end of the sight main body of described intramedullary pin sight also is provided with dowel hole, and dowel hole is provided with two, lays respectively at the both sides of sight locking hole.
The screw that hangs tight of described intramedullary pin sight is that bulb hangs tight screw, hangs tight screw and is formed by connecting by bulb nut and bulb screw thread.
The rear end of the telescopic sleeve body of described lag screw is provided with positioner, is connected with the screens button by spring in the positioner, and the screens button is provided with lag screw and squeezes into corresponding screens hole, hole.
The lag screw of the telescopic sleeve body of described lag screw squeeze into the hole axle vertical cross-section and corresponding lag screw spool vertical cross-section identical.
The utlity model has following beneficial effect: the card of (1) intramedullary pin sight of the present utility model is by being connected the bottom of the draw-in groove of sight main body with spring, this structure makes packs in the lag screw sight hole behind the lag screw sleeve, card can block the lag screw sleeve, prevent the shake of lag screw sleeve, make the lag screw sleeve more firm; The telescopic fine-tuning nut of lag screw is threaded with the thread segment of sleeve body, this structure makes fine-tuning nut to carry out spacing to the insertion degree of sleeve body on sight, and can finely tune spacing, the position that lag screw is squeezed into is more accurate.
(2) rear end of this utility model sight main body is provided with dowel hole, and this structure can help the location of sight main body on intramedullary pin connection handle, and prevents that the sight main body from rotating.
(3) to hang tight screw be that bulb hangs tight screw to this utility model, and this structure makes that hanging tight the contact area that screw is connected with intramedullary pin between the handle increases, and prevents to hang tight screw scuffing intramedullary pin connection handle.
(4) screens button of the present utility model is provided with lag screw and squeezes into corresponding screens hole, hole, and this structure makes the screens button can tighten the lag screw driver, prevents that the lag screw driver from shaking in use.
(5) lag screw of sleeve body of the present utility model squeeze into the hole axle vertical cross-section and corresponding lag screw spool vertical cross-section identical, the process that this structure makes lag screw squeeze into is more steady.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, this utility model is described in further detail, wherein below
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of intramedullary pin sight.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the structural representation of intramedullary pin sight main body.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the structure of cover plate sketch map of intramedullary pin sight.
Fig. 7 is the structural representation that the card of intramedullary pin sight is connected with spring.
Fig. 8 is the telescopic structural representation of lag screw.
Fig. 9 is the structural representation of sleeve body.
Figure 10 is the B place enlarged drawing of Fig. 9.
Figure 11 is the A-A cutaway view of Fig. 9.
Figure 12 is the structural representation of the telescopic screens button of lag screw.
Label is in the accompanying drawing:
Sight main body 1, lag screw sight hole 11, lock-screw sight hole 12, draw-in groove 13, sight locking hole 14, dowel hole 15, hang tight screw 2, bulb nut 21, bulb screw 22, cover plate 3, circular hole 31, card 4, hole 41, spring 5, sleeve body 6, lag screw and squeeze into hole 61, positioner 62, spring 63, screens button 64, screens hole 64-1, thread segment 65, fine-tuning nut 7, intramedullary pin installing rack 8, intramedullary pin 9.
The specific embodiment
(embodiment 1)
See Fig. 1 to Figure 12, present embodiment comprises intramedullary pin sight, lag screw sleeve and intramedullary pin installing rack 8.
The intramedullary pin sight comprises sight main body 1, hangs tight screw 2, cover plate 3, card 4 and spring 5.The front end of sight main body 1 is provided with lag screw sight hole 11 and lock-screw sight hole 12, the upper end of lag screw sight hole 11 is provided with perpendicular draw-in groove 13, the rear end of sight main body 1 is provided with sight locking hole 14 and dowel hole 15, dowel hole 15 is provided with two, lays respectively at the both sides of sight locking hole 14.Hang tight screw 2 for bulb hangs tight screw, and be threaded, hang tight screw 2 and be threaded with bulb screw 22 by bulb nut 21 and form with sight locking hole 14.Cover plate 3 is fixed on the top of the draw-in groove 13 of sight main body 1, and the centre is provided with and lag screw sight hole 11 corresponding circular holes 31.Card 4 is by being connected the bottom of the draw-in groove 13 of sight main body 1 with spring 5, and is slidingly connected with it, and the centre of card 4 also is provided with and lag screw sight hole 11 corresponding holes 41.
The intramedullary pin sight is implemented in intramedullary pin and connects location on the handle by insert alignment pin in the dowel hole 15 of rear end, and be connected handle locking with intramedullary pin by sight locking hole 14, the intramedullary pin sight is with after intramedullary pin is connected handle locking, and the lag screw sight hole 11 of intramedullary pin sight and lock-screw sight hole 12 are aimed at pulling force hole and the locking hole on the intramedullary pin respectively.
The lag screw sleeve comprises sleeve body 6 and fine-tuning nut 7.The lag screw that is axially arranged with of sleeve body 6 is squeezed into hole 61, and lag screw is squeezed into hole 61 and is through hole, lag screw squeeze into hole 61 axle vertical cross-section and corresponding lag screw spool vertical cross-section identical.The centre of sleeve body 6 is provided with thread segment 65, and fine-tuning nut 7 is threaded with the thread segment 65 of sleeve body 6.The rear end of sleeve body 6 is provided with positioner 62, is connected with screens button 64 by spring 63 in the positioner 62, and screens button 64 is provided with lag screw and squeezes into hole 61 corresponding screens hole 64-1.
Intramedullary pin sight, lag screw sleeve and intramedullary pin installing rack 8 are installed according to shown in Figure 1, promptly become the intramedullary pin sighting device of present embodiment, intramedullary pin 9 is installed on the intramedullary pin installing rack 8.
Should be appreciated that specific embodiment described above only is used to explain this utility model, and be not used in qualification this utility model.Conspicuous variation of being extended out by spirit of the present utility model or change still are among the protection domain of the present utility model.
Claims (6)
1. an intramedullary pin sighting device comprises intramedullary pin sight and lag screw sleeve; It is characterized in that: the intramedullary pin sight comprises sight main body (1) and hangs tight screw (2), the front end of described sight main body (1) is provided with lag screw sight hole (11) and lock-screw sight hole (12), the gradient of lag screw sight hole (11) and lock-screw sight hole (12) is identical with pulling force hole and locking hole on the intramedullary pin respectively, and the rear end of sight main body (1) is provided with sight locking hole (14); The described screw (2) that hangs tight is threaded with sight locking hole (14); The lag screw sleeve comprises sleeve body (6) and fine-tuning nut (7), the lag screw that is axially arranged with of sleeve body (6) is squeezed into hole (61), lag screw is squeezed into hole (61) and is through hole, the centre of sleeve body (6) is provided with thread segment (65), and fine-tuning nut (7) is threaded with the thread segment (65) of sleeve body (6).
2. intramedullary pin sighting device according to claim 1, it is characterized in that: described intramedullary pin sight also comprises cover plate (3), card (4) and spring (5), and the upper end of the lag screw sight hole (11) of described sight main body (1) is provided with perpendicular draw-in groove (13); Described cover plate (3) is fixed on the inner top of draw-in groove (13) of sight main body (1), and the centre is provided with and the corresponding circular hole (31) of lag screw sight hole (11); Described card (4) is by being connected the bottom of the draw-in groove (13) of sight main body (1) with spring (5), and is slidingly connected with it, and the centre of card (4) also is provided with and the corresponding hole (41) of lag screw sight hole (11).
3. a kind of intramedullary pin sighting device according to claim 2, it is characterized in that: the rear end of the sight main body (1) of described intramedullary pin sight also is provided with dowel hole (15), dowel hole (15) is provided with two, lays respectively at the both sides of sight locking hole (14).
4. intramedullary pin sighting device according to claim 3 is characterized in that: described intramedullary pin sight hang tight screw (2) for bulb hangs tight screw, hang tight screw (2) and be threaded with bulb screw (22) by bulb nut (21) and form.
5. intramedullary pin sighting device according to claim 4, it is characterized in that: the rear end of the telescopic sleeve body of described lag screw (6) is provided with positioner (62), be connected with screens button (64) by spring (63) in the positioner (62), screens button (64) is provided with lag screw and squeezes into corresponding screens hole (64-1), hole (61).
6. intramedullary pin sighting device according to claim 5 is characterized in that: the lag screw of the telescopic sleeve body of described lag screw (6) squeeze into hole (61) axle vertical cross-section and corresponding lag screw spool vertical cross-section identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201678103U CN201668493U (en) | 2010-04-23 | 2010-04-23 | Intramedullary nail sighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201678103U CN201668493U (en) | 2010-04-23 | 2010-04-23 | Intramedullary nail sighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201668493U true CN201668493U (en) | 2010-12-15 |
Family
ID=43325907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201678103U Expired - Fee Related CN201668493U (en) | 2010-04-23 | 2010-04-23 | Intramedullary nail sighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201668493U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125267A (en) * | 2015-10-10 | 2015-12-09 | 广州中医药大学第一附属医院 | High-mechanical-stability nail external-guidance and internal-fixation configuration device |
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
| CN109907813A (en) * | 2019-02-28 | 2019-06-21 | 创生医疗器械（中国）有限公司 | Bone nail driver stabilising arrangement |
| CN110478023A (en) * | 2019-09-10 | 2019-11-22 | 苏州爱得科技发展股份有限公司 | A kind of dynamic coxa locking bone fracture plate of adjustable-angle |
-
2010
- 2010-04-23 CN CN2010201678103U patent/CN201668493U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105125267A (en) * | 2015-10-10 | 2015-12-09 | 广州中医药大学第一附属医院 | High-mechanical-stability nail external-guidance and internal-fixation configuration device |
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
| CN109907813A (en) * | 2019-02-28 | 2019-06-21 | 创生医疗器械（中国）有限公司 | Bone nail driver stabilising arrangement |
| CN110478023A (en) * | 2019-09-10 | 2019-11-22 | 苏州爱得科技发展股份有限公司 | A kind of dynamic coxa locking bone fracture plate of adjustable-angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TRAUSON MEDICAL INSTRUMENT (CHINA) CO., LTD. Free format text: FORMER NAME: TRAUSON MEDICAL INSTRUMENT (JIANGSU) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 213163 Renmin West Road, Niu Tong Town, Wujin District, Jiangsu, Changzhou Patentee after: Trauson Medical Instrument (China) Company Limited Address before: 213163 Renmin West Road, Niu Tong Town, Wujin District, Jiangsu, Changzhou Patentee before: Trauson Medical Instrument (Jiangsu) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20190423 |