CN211355820U - Intramedullary nail and intramedullary nail lockhole positioning device thereof - Google Patents
Intramedullary nail and intramedullary nail lockhole positioning device thereof Download PDFInfo
- Publication number
- CN211355820U CN211355820U CN201921936700.6U CN201921936700U CN211355820U CN 211355820 U CN211355820 U CN 211355820U CN 201921936700 U CN201921936700 U CN 201921936700U CN 211355820 U CN211355820 U CN 211355820U
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- intramedullary nail
- hole
- seat
- mounting
- locating
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Abstract
The utility model discloses an intramedullary nail and intramedullary nail lockhole positioner thereof, including intramedullary nail body, locating lever and handle, a serial communication port, be equipped with the lockhole on the intramedullary nail body, locating lever fixed connection is on the handle, the locating hole has been seted up on the locating lever, slidable mounting has the regulation seat in the locating hole, the mounting hole has been seted up at the top of regulation seat, slidable mounting has the locking lever in the mounting hole, locking lever and lockhole looks adaptation, one side fixed mounting of handle has the fixing base, the fixed slot has been seted up to one side of fixing base, intramedullary nail body movable mounting is in the fixed slot, slidable mounting has the removal post in the fixed slot, the one end fixed connection of intramedullary nail body is in. The utility model discloses rational in infrastructure, convenient operation, this positioner's locating position is nimble, can be convenient for adjust the locating position according to different patients, and labour saving and time saving when positioner operates.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an intramedullary nail and an intramedullary nail lockhole positioning device.
Background
The intramedullary nail with locking screw can treat almost all long tubular fractures, when in operation, the intramedullary nail is firstly inserted into two sections of fracture in series in a bone cavity to maintain the alignment of the two sections of fracture, and the locking hole is drilled on bone tissues which are then fixedly connected with the intramedullary nail by the locking screw, so that the operation method has the advantages of small wound, firm fixation, high fracture healing rate and low infection rate;
however, the positioning position of the existing positioning device is fixed, so that the adjustment is not convenient according to the actual position, a skin incision needs to be made on the tissue, and a positioning hole perpendicular to the intramedullary nail lock hole needs to be drilled, so that the time and labor are wasted.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide an intramedullary nail and an intramedullary nail lockhole positioning device thereof.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the utility model provides an intramedullary nail and intramedullary nail lockhole positioner thereof, includes intramedullary nail body, locating lever and handle, be equipped with the lockhole on the intramedullary nail body, locating lever fixed connection has seted up the locating hole on the locating lever on the handle, and slidable mounting has the regulation seat in the locating hole, and the mounting hole has been seted up at the top of regulation seat, and slidable mounting has the locking lever in the mounting hole, locking lever and lockhole looks adaptation, and one side fixed mounting of handle has the fixing base, and the fixed slot has been seted up to one side of fixing base, and intramedullary.
Preferably, slidable mounting has the removal post in the fixed slot, and the one end fixed connection of intramedullary nail body is in the one end of removing the post, and the thread groove has been seted up to the other end of removing the post, has seted up on one side inner wall of fixed slot and has rotated the hole, and the lead screw drives and removes the post and slide in the fixed slot, removes the post and drives intramedullary nail body shift position.
Preferably, the rotating hole is internally rotatably provided with a screw rod, one end of the screw rod is arranged in the thread groove in a threaded manner, the other end of the screw rod is fixedly provided with a rotating seat, the rotating seat is rotatably arranged on one side of the fixed seat, and the rotating seat drives the screw rod to rotate, so that the position of the lock hole on the intramedullary nail body can be moved.
Preferably, a sliding groove is formed in the inner wall of one side of the positioning hole, a rack is fixedly mounted on one side of the adjusting seat, the rack is slidably mounted in the sliding groove, a through hole is formed in the inner wall of one side of the sliding groove, a rotating rod is rotatably mounted in the through hole, the gear drives the rack to move, and the rack drives the adjusting seat to slide in the positioning hole.
Preferably, the one end fixed mounting of dwang has the gear, gear and rack toothing, and the top of locating lever is equipped with the control cabinet, and the compression spring groove has been seted up to the bottom of control cabinet, dwang slidable mounting in the compression spring inslot, and the control cabinet drives the dwang and rotates, and the dwang drives gear revolve.
Preferably, the top welding of dwang has the pressure spring, and the top welding of pressure spring is on the top inner wall in pressure spring groove, and a plurality of draw-in grooves have been seted up at the top of locating lever, and the bottom fixed mounting of control seat has the fixture block, fixture block and draw-in groove looks adaptation, dwang pulling pressure spring, and elastic deformation takes place for the pressure spring.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the scheme, the rotating seat is rotated, the screw rod drives the movable column to slide in the fixed groove, the movable column drives the intramedullary nail body to move, the control seat is pulled, the control seat drives the clamping block to slide out of the clamping groove, the pressure spring is pulled by the rotating rod, the control seat is rotated, the control seat drives the rotating rod to rotate, and the rotating rod drives the gear to rotate;
according to the scheme, the gear drives the rack to move, the adjusting seat drives the lock rod to move, the holding handle implants the intramedullary nail body into a bone cavity, the lock rod is sleeved on the bone tissue to drill holes, and finally the bone tissue is fixedly connected with the intramedullary nail body through the lock rod to complete the operation process;
the utility model discloses rational in infrastructure, convenient operation, this positioner's locating position is nimble, can be convenient for adjust the locating position according to different patients, and labour saving and time saving when positioner operates.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a schematic view of a front view structure of an intramedullary nail and a locking hole positioning device thereof according to the present invention;
FIG. 2 is a schematic view of a portion A of the intramedullary nail and the intramedullary nail locking hole positioning device according to the present invention;
fig. 3 is a schematic structural diagram of a part B of an intramedullary nail and a locking hole positioning device thereof according to the present invention.
In the figure: 1. an intramedullary nail body; 2. a lock hole; 3. a handle; 4. a fixed seat; 5. fixing grooves; 6. moving the column; 7. a screw rod; 8. a rotating seat; 9. positioning a rod; 10. positioning holes; 11. an adjusting seat; 12. mounting holes; 13. a lock lever; 14. a chute; 15. a rack; 16. rotating the rod; 17. a gear; 18. a control seat; 19. a pressure spring; 20. a clamping block; 21. a clamping groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, an intramedullary nail and intramedullary nail lockhole positioner thereof, including intramedullary nail body 1, locating lever 9 and handle 3, be equipped with lockhole 2 on the intramedullary nail body 1, locating lever 9 fixed connection is on handle 3, locating hole 10 has been seted up on locating lever 9, slidable mounting has regulation seat 11 in the locating hole 10, mounting hole 12 has been seted up at the top of regulation seat 11, slidable mounting has locking lever 13 in mounting hole 12, locking lever 13 and lockhole 2 looks adaptation, one side fixed mounting of handle 3 has fixing base 4, fixed slot 5 has been seted up to one side of fixing base 4, intramedullary nail body 1 movable mounting is in fixed slot 5.
In this embodiment, slidable mounting has removal post 6 in fixed slot 5, and the one end fixed connection of intramedullary nail body 1 has seted up the thread groove at the one end of removing post 6 at the other end of removing post 6, has seted up the rotation hole on one side inner wall of fixed slot 5, and lead screw 7 drives and removes post 6 and slide in fixed slot 5, removes post 6 and drives 1 shift position of intramedullary nail body.
In this embodiment, the screw rod 7 is rotatably installed in the rotating hole, one end of the screw rod 7 is threadedly installed in the thread groove, the other end of the screw rod 7 is fixedly installed with the rotating seat 8, the rotating seat 8 is rotatably installed on one side of the fixed seat 4, and the rotating seat 8 drives the screw rod 7 to rotate, so that the position of the locking hole 2 on the intramedullary nail body 1 can be moved.
In this embodiment, a sliding groove 14 is formed in an inner wall of one side of the positioning hole 10, a rack 15 is fixedly mounted on one side of the adjusting seat 11, the rack 15 is slidably mounted in the sliding groove 14, a through hole is formed in an inner wall of one side of the sliding groove 14, a rotating rod 16 is rotatably mounted in the through hole, the gear 17 drives the rack 15 to move, and the rack 15 drives the adjusting seat 11 to slide in the positioning hole 10.
In this embodiment, the one end fixed mounting of dwang 16 has gear 17, and gear 17 and rack 15 mesh, and the top of locating lever 9 is equipped with control cabinet 18, and the compression spring groove has been seted up to control cabinet 18's bottom, and dwang 16 slidable mounting is in the compression spring inslot, and control cabinet 18 drives dwang 16 and rotates, and dwang 16 drives gear 17 and rotates.
In this embodiment, the welding of the top of dwang 16 has pressure spring 19, and the top welding of pressure spring 19 is on the top inner wall in pressure spring groove, and a plurality of draw-in grooves 21 have been seted up at the top of locating lever 9, and the bottom fixed mounting of control seat 18 has fixture block 20, fixture block 20 and draw-in groove 21 looks adaptation, dwang 16 pulling pressure spring 19, and elastic deformation takes place for pressure spring 19.
In this embodiment, by rotating the rotating base 8, the rotating base 8 drives the screw rod 7 to rotate, the screw rod 7 drives the moving column 6 to slide in the fixing groove 5, the moving column 6 drives the intramedullary nail body 1 to move, i.e. the position of the lock hole 2 on the intramedullary nail body 1 can be moved, meanwhile, the control base 18 is pulled, the control base 18 drives the clamping block 20 to slide out of the clamping groove 21, the rotating rod 16 passively slides in the compression spring groove, the rotating rod 16 pulls the compression spring 19, the compression spring 19 is elastically deformed, the control base 18 is rotated, the control base 18 drives the rotating rod 16 to rotate, the rotating rod 16 drives the gear 17 to rotate, the gear 17 drives the rack 15 to move, the rack 15 drives the adjusting base 11 to slide in the positioning hole 10, the adjusting base 11 drives the lock rod 13 to move, after adjustment, the holding handle 3 implants the intramedullary nail body 1 into the bone cavity, inserts the lock, finally, the bone tissue is fixedly connected with the intramedullary nail body 1 by the lock rod 13 to complete the operation process, the utility model discloses rational in infrastructure, convenient operation, the location position of the locating device is flexible, can be convenient for adjust the location position according to different patients, and the locating device saves time and labor during operation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an intramedullary nail and intramedullary nail lockhole positioner thereof, including intramedullary nail body (1), locating lever (9) and handle (3), a serial communication port, be equipped with lockhole (2) on intramedullary nail body (1), locating lever (9) fixed connection is on handle (3), locating hole (10) have been seted up on locating lever (9), slidable mounting has regulation seat (11) in locating hole (10), mounting hole (12) have been seted up at the top of regulation seat (11), slidable mounting has locking lever (13) in mounting hole (12), locking lever (13) and lockhole (2) looks adaptation, one side fixed mounting of handle (3) has fixing base (4), fixed slot (5) have been seted up to one side of fixing base (4), intramedullary nail body (1) movable mounting is in fixed slot (5).
2. The intramedullary nail and the intramedullary nail locking hole positioning device thereof according to claim 1, wherein a moving column (6) is slidably installed in the fixing groove (5), one end of the intramedullary nail body (1) is fixedly connected to one end of the moving column (6), the other end of the moving column (6) is provided with a thread groove, and a rotating hole is formed on one side inner wall of the fixing groove (5).
3. The intramedullary nail and the intramedullary nail locking hole positioning device thereof according to claim 2, wherein a lead screw (7) is rotatably installed in the rotating hole, one end of the lead screw (7) is threadedly installed in the threaded groove, the other end of the lead screw (7) is fixedly installed with a rotating seat (8), and the rotating seat (8) is rotatably installed at one side of the fixed seat (4).
4. The intramedullary nail and the intramedullary nail locking hole positioning device thereof according to claim 1, wherein a sliding slot (14) is formed on an inner wall of one side of the positioning hole (10), a rack (15) is fixedly installed on one side of the adjusting seat (11), the rack (15) is slidably installed in the sliding slot (14), a through hole is formed on an inner wall of one side of the sliding slot (14), and a rotating rod (16) is rotatably installed in the through hole.
5. The intramedullary nail and the intramedullary nail locking hole positioning device thereof according to claim 4, wherein one end of the rotating rod (16) is fixedly provided with a gear (17), the gear (17) is engaged with the rack (15), the top of the positioning rod (9) is provided with a control seat (18), the bottom of the control seat (18) is provided with a pressure spring groove, and the rotating rod (16) is slidably arranged in the pressure spring groove.
6. The intramedullary nail and the intramedullary nail locking hole positioning device thereof according to claim 4, wherein a compression spring (19) is welded at the top end of the rotating rod (16), the top end of the compression spring (19) is welded on the inner wall of the top of the compression spring groove, a plurality of clamping grooves (21) are formed at the top of the positioning rod (9), a clamping block (20) is fixedly installed at the bottom of the control seat (18), and the clamping block (20) is matched with the clamping grooves (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936700.6U CN211355820U (en) | 2019-11-11 | 2019-11-11 | Intramedullary nail and intramedullary nail lockhole positioning device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936700.6U CN211355820U (en) | 2019-11-11 | 2019-11-11 | Intramedullary nail and intramedullary nail lockhole positioning device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211355820U true CN211355820U (en) | 2020-08-28 |
Family
ID=72158832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921936700.6U Expired - Fee Related CN211355820U (en) | 2019-11-11 | 2019-11-11 | Intramedullary nail and intramedullary nail lockhole positioning device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211355820U (en) |
-
2019
- 2019-11-11 CN CN201921936700.6U patent/CN211355820U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200828 Termination date: 20211111 |