Intramedullary nail lockhole positioning device convenient to position

Abstract

The intramedullary nail lockhole positioning device comprises a first fixing frame and a first handle, a second adjusting shaft is longitudinally arranged at the top end of the first fixing frame in a penetrating mode, the top end of the second adjusting shaft is fixedly connected with a third handle, a positioning rod is longitudinally fixed between the interiors of the first fixing frame, and the first handle is fixedly connected with the positioning rod. The top end of one side of the first fixing frame is fixedly connected with a second fixing frame, and the bottom end of the front end of the first fixing frame is fixedly connected with a connecting base. According to the intramedullary nail lockhole positioning device convenient to position, by arranging parts such as a first handle, when the intramedullary nail lockhole positioning device convenient to position is used, the fixing frames are placed beside a bed, a first adjusting shaft is screwed to drive a positioning seat at the bottom to move up and down, and therefore the first fixing frame is positioned on the bed according to the thickness of the sickbed; therefore, the intramedullary nail body is more stable when being inserted into the body of a patient, and the problem that no auxiliary supporting and positioning exist outside when the intramedullary nail is nailed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical treatment, in particular to an intramedullary nail locking instrument hole positioning device which is convenient for positioning. Background Art

[0002] Intramedullary nail is a kind of orthopedic internal fixation device, that is, it is a commonly used orthopedic internal fixation device composed of intramedullary nail rod, proximal locking screw hole and other components. It is used because it fixes the fracture site through closed and minimally invasive surgery.

[0003] According to the search, the existing intramedullary nail locking hole positioning device that is easy to position does not have the function of external auxiliary support and positioning when the intramedullary nail is nailed, which makes it easy to tilt during nailing, affecting the accuracy of nailing, and is not easy to position the locking rod and the locking hole. It is not convenient and applicable during the operation.

[0004] Now, a new type of intramedullary nail lock hole positioning device which is easy to position is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an intramedullary nail lock hole positioning device which is easy to position, so as to solve the problem in the background art that there is no external auxiliary support for positioning when nailing the intramedullary nail.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an intramedullary nail lock hole positioning device that is easy to position, comprising a first fixing frame and a first handle, a second adjustment shaft is longitudinally provided at the top end of the first fixing frame, a third handle is fixedly connected to the top end of the second adjustment shaft, a positioning rod is longitudinally fixed between the inside of the first fixing frame, a second fixing frame is fixedly connected to the top end of one side of the first fixing frame, a connecting seat is fixedly connected to the bottom end of the front end of the first fixing frame, and a positioning structure fixed between the auxiliary fixing frame and the bed is provided at the bottom end of the first fixing frame;

[0007] The positioning structure includes a first handle, a first adjusting shaft, a first movable groove, a positioning seat and a second movable groove. The first movable groove is arranged inside the connecting seat, and the first adjusting shaft is longitudinally penetrated inside the first movable groove. The top end of the first adjusting shaft is fixedly connected to the first handle, the bottom end of the connecting seat is provided with a positioning seat, and the top end of the positioning seat is provided with a second movable groove.

[0008] Preferably, the bottom end of the first adjusting shaft is rotatably embedded in the second movable groove, and the outside of the first adjusting shaft is provided with an external thread.

[0009] Preferably, the outside of the positioning rod is sleeved with a guide block, the front end of the guide block is fixedly connected to a fixed sleeve, the front end of the guide block is provided with a first movable block, the top of the first movable block is provided with a third movable groove, the guide block is sleeved on the outside of the positioning rod and can slide, and the outside of the second adjusting shaft is provided with an external thread.

[0010] Preferably, a connecting block is fixedly connected to the front end of the first movable block, and the connecting block is rotatably embedded in the fixing sleeve.

[0011] Preferably, an intramedullary nail body is transversely penetrated inside the first movable block, a second handle is fixedly connected to one side of the intramedullary nail body, a locking hole body is arranged inside one side of the top end of the intramedullary nail body, and the intramedullary nail body is movably embedded in the first movable block.

[0012] Preferably, a second movable block is provided inside the second fixed frame, guide rails are fixedly connected to both ends of the second fixed frame, a locking rod is longitudinally penetrated inside the second movable block, and a fourth handle is fixedly connected to the top end of the locking rod.

[0013] Preferably, a third adjustment shaft is transversely provided inside the second fixing frame, one side of the third adjustment shaft is rotatably embedded inside one side of the second movable block, and an external thread is provided outside the third adjustment shaft.

[0014] Preferably, the front end and the rear end of the second movable block are provided with sliding grooves, and the second movable block is slidably connected to the outside of the guide rail through the sliding grooves.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the intramedullary nail lock hole positioning device that is easy to position not only supports and positions the intramedullary nail, realizes the problem of conveniently adjusting the angle and height of the intramedullary nail during insertion, but also realizes the adjustment of the position of the locking rod;

[0016] By providing a first handle, a first adjustment shaft, a first movable groove, a connecting seat, a positioning seat, and a second movable groove, when in use, the fixing frame is placed beside the bed, and the first adjustment shaft is screwed to drive the positioning seat at the bottom to move up and down, so that the first fixing frame is positioned on the bed according to the thickness of the bed, so that the intramedullary nail body is more stable when inserted into the patient's body;

[0017] By providing a positioning rod, a first movable block, a second handle, an intramedullary nail body, a guide block, a third movable groove, a connecting block, a fixing sleeve, a second adjustment shaft, and a fourth handle, according to the thickness of the patient's leg, the second adjustment shaft can be screwed to drive the first movable block at the bottom to move downward, and the guide block will be guided and moved outside the positioning rod, so that the position of the intramedullary nail body can be adjusted. Then, according to the required angle, the intramedullary nail body can be moved, and the connecting block will rotate inside the fixing sleeve, and then the intramedullary nail body can be moved to one side for insertion, so that it is more flexible and accurate when used;

[0018] By providing a second fixed frame, a guide rail, a locking rod, a fourth handle, a second movable block, a slide groove, a third adjusting shaft, and a lock hole body, the third adjusting shaft can be rotated to drive the second movable block on one side to slide on the guide rail, thereby facilitating adjustment to a position that coincides with the bottom lock hole body. After alignment, the locking rod is inserted downward into the lock hole body, making adjustment more convenient and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural diagram of the connection mode between the positioning seat and the connecting seat of the utility model;

[0021] Figure 3 It is a top view structural diagram of the connection mode between the second movable block and the guide rail of the utility model;

[0022] Figure 4 It is a side structural schematic diagram of the connection mode between the first movable block and the guide block of the utility model.

[0023] In the figure: 1. first fixing frame; 2. first handle; 3. first adjusting shaft; 4. first movable groove; 5. connecting seat; 6. positioning seat; 7. second movable groove; 8. positioning rod; 9. first movable block; 10. second handle; 11. intramedullary nail body; 12. guide block; 13. third movable groove; 14. connecting block; 15. fixing sleeve; 16. second adjusting shaft; 17. fourth handle; 18. second fixing frame; 19. guide rail; 20. locking rod; 21. fourth handle; 22. second movable block; 23. slide groove; 24. third adjusting shaft; 25. locking hole body. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 , an intramedullary nail lock hole positioning device for easy positioning, comprising a first fixing frame 1 and a first handle 2, a second adjustment shaft 16 is longitudinally penetrated at the top of the first fixing frame 1, a third handle 17 is fixedly connected to the top of the second adjustment shaft 16, a positioning rod 8 is longitudinally fixed between the inside of the first fixing frame 1, a second fixing frame 18 is fixedly connected to the top of one side of the first fixing frame 1, a connecting seat 5 is fixedly connected to the bottom end of the front end of the first fixing frame 1, and a positioning structure fixed between the auxiliary fixing frame and the bed is provided at the bottom end of the first fixing frame 1;

[0026] The positioning structure includes a first handle 2, a first adjustment shaft 3, a first movable groove 4, a positioning seat 6 and a second movable groove 7. The first movable groove 4 is arranged inside the connecting seat 5, the first adjustment shaft 3 is longitudinally penetrated inside the first movable groove 4, the top end of the first adjustment shaft 3 is fixedly connected with the first handle 2, the bottom end of the connecting seat 5 is provided with a positioning seat 6, and the top end of the positioning seat 6 is provided with the second movable groove 7;

[0027] The bottom end of the first adjusting shaft 3 is rotatably embedded in the second movable groove 7, and an external thread is provided on the outside of the first adjusting shaft 3;

[0028] Specifically, Figure 1 and Figure 2 As shown, when in use, the first fixing frame 1 is placed beside the bed, and the first adjusting shaft 3 is screwed to drive the positioning seat 6 at the bottom to move up and down, so that the first fixing frame 1 is positioned on the bed according to the thickness of the bed, so that the intramedullary nail body 11 is more stable when inserted into the patient's body.

[0029] Embodiment 2: The outer part of the positioning rod 8 is sleeved with a guide block 12, the front end of the guide block 12 is fixedly connected with a fixed sleeve 15, the front end of the guide block 12 is provided with a first movable block 9, the top end of the first movable block 9 is provided with a third movable groove 13, the guide block 12 is sleeved on the outer part of the positioning rod 8 and can slide, and the outer part of the second adjustment shaft 16 is provided with an external thread;

[0030] The front end of the first movable block 9 is fixedly connected with a connecting block 14, and the connecting block 14 is embedded in the interior of the fixed sleeve 15 and can rotate;

[0031] An intramedullary nail body 11 is disposed transversely through the first movable block 9, a second handle 10 is fixedly connected to one side of the intramedullary nail body 11, a locking hole body 25 is disposed inside the top side of the intramedullary nail body 11, and the intramedullary nail body 11 is movably embedded in the first movable block 9;

[0032] Specifically, Figure 1 and Figure 4 As shown, according to the thickness of the patient's leg, the second adjustment shaft 16 is screwed to drive the first movable block 9 at the bottom to move downward. At this time, the guide block 12 will move on the outside of the positioning rod 8, so as to facilitate the adjustment of the position of the intramedullary nail body 11. Afterwards, the intramedullary nail body 11 can be moved according to the required angle. At this time, the connecting block 14 will rotate inside the fixing sleeve 15, and then the intramedullary nail body 11 can be moved to one side and inserted, so that it is more flexible and accurate when used.

[0033] Embodiment 3: A second movable block 22 is disposed inside the second fixed frame 18, and guide rails 19 are fixedly connected to both ends of the second fixed frame 18. A locking rod 20 is longitudinally penetrated inside the second movable block 22, and a fourth handle 21 is fixedly connected to the top of the locking rod 20;

[0034] A third adjustment shaft 24 is disposed transversely through the interior of the second fixing frame 18. One side of the third adjustment shaft 24 is rotatably embedded in one side of the second movable block 22. An external thread is disposed on the exterior of the third adjustment shaft 24.

[0035] The front and rear ends of the second movable block 22 are provided with slide grooves 23, and the second movable block 22 is slidably connected to the outside of the guide rail 19 through the slide grooves 23;

[0036] Specifically, Figure 1 and Figure 3 As shown, by rotating the third adjusting shaft 24, the second movable block 22 on one side can be driven to slide on the guide rail 19, so as to facilitate adjustment to a position that matches the bottom lock hole body 25. After alignment, the locking rod 20 is inserted downward into the lock hole body 25, making adjustment more convenient and accurate.

[0037] Working principle: When the utility model is in use, first, when in use, the first fixing frame 1 is placed beside the bed, and the first adjusting shaft 3 is screwed to drive the positioning seat 6 at the bottom to move up and down, so that according to the thickness of the bed, the first fixing frame 1 is positioned on the bed, so that the intramedullary nail body 11 is more stable when inserted into the patient's body, and then, according to the thickness of the patient's legs, the second adjusting shaft 16 is screwed to drive the first movable block 9 at the bottom to move downward, and at this time, the guide block 12 will move on the outside of the positioning rod 8, so that the position of the intramedullary nail body 11 can be adjusted, and then according to the required angle, the intramedullary nail body 11 can be moved, and at this time, the connecting block 14 will rotate inside the fixing sleeve 15, and then the intramedullary nail body 11 can be moved to one side and inserted, so that it is more flexible and accurate when in use, and finally, the third adjusting shaft 24 is screwed to drive the second movable block 22 on one side to slide on the guide rail 19, so as to facilitate the adjustment of the position consistent with the bottom locking hole body 25, and after alignment, the locking rod 20 is inserted downward into the locking hole body 25, so that it is more convenient and accurate when adjusting.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A locking hole positioning device for an intramedullary nail that facilitates positioning, comprising a first fixing frame (1) and a first handle (2), Features: A second adjustment shaft (16) is longitudinally provided at the top end of the first fixing frame (1), a third handle (17) is fixedly connected to the top end of the second adjustment shaft (16), a positioning rod (8) is longitudinally fixed inside the first fixing frame (1), a second fixing frame (18) is fixedly connected to the top end of one side of the first fixing frame (1), a connecting seat (5) is fixedly connected to the bottom end of the front end of the first fixing frame (1), and a positioning structure for fixing the auxiliary fixing frame and the hospital bed is provided at the bottom end of the first fixing frame (1); The positioning structure comprises a first handle (2), a first adjustment shaft (3), a first movable groove (4), a positioning seat (6) and a second movable groove (7); the first movable groove (4) is arranged inside the connecting seat (5); the first adjustment shaft (3) is arranged inside the first movable groove (4) and passes through the first movable groove (4) in the longitudinal direction; the top end of the first adjustment shaft (3) is fixedly connected to the first handle (2); the bottom end of the connecting seat (5) is provided with a positioning seat (6); the top end of the positioning seat (6) is provided with the second movable groove (7).

2. The intramedullary nail locking hole positioning device for easy positioning according to claim 1, Features: The bottom end of the first adjustment shaft (3) is rotatably embedded in the second movable groove (7), and the outside of the first adjustment shaft (3) is provided with an external thread.

3. The intramedullary nail lock hole positioning device for easy positioning according to claim 1, Features: The outer part of the positioning rod (8) is sleeved with a guide block (12), the front end of the guide block (12) is fixedly connected with a fixed sleeve (15), the front end of the guide block (12) is provided with a first movable block (9), the top end of the first movable block (9) is provided with a third movable groove (13), the guide block (12) is sleeved on the outer part of the positioning rod (8) and can slide, and the outer part of the second adjustment shaft (16) is provided with an external thread.

4. The intramedullary nail locking hole positioning device for facilitating positioning according to claim 3, Features: A connecting block (14) is fixedly connected to the front end of the first movable block (9), and the connecting block (14) is rotatably embedded in the fixing sleeve (15).

5. The intramedullary nail locking hole positioning device for facilitating positioning according to claim 3, Features: An intramedullary nail body (11) is disposed transversely through the interior of the first movable block (9); a second handle (10) is fixedly connected to one side of the intramedullary nail body (11); a locking hole body (25) is disposed inside a top side of the intramedullary nail body (11); and the intramedullary nail body (11) is movably embedded in the interior of the first movable block (9).

6. The intramedullary nail lock hole positioning device for facilitating positioning according to claim 1, Features: A second movable block (22) is arranged inside the second fixed frame (18), guide rails (19) are fixedly connected to both ends of the second fixed frame (18), a locking rod (20) is longitudinally penetrated inside the second movable block (22), and a fourth handle (21) is fixedly connected to the top end of the locking rod (20).

7. The intramedullary nail lock hole positioning device for facilitating positioning according to claim 1, Features: A third adjustment shaft (24) is disposed transversely through the interior of the second fixing frame (18), one side of the third adjustment shaft (24) is rotatably embedded in the interior of one side of the second movable block (22), and the exterior of the third adjustment shaft (24) is provided with an external thread.

8. The intramedullary nail locking hole positioning device for facilitating positioning according to claim 6, Features: The front and rear ends of the second movable block (22) are provided with sliding grooves (23), and the second movable block (22) is slidably connected to the outside of the guide rail (19) through the sliding grooves (23).

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