Bovine bone fusion cage driver with positioning function

Abstract

The bovine bone fusion cage driver with the positioning function comprises an outer sleeve and a fusion cage body, the right side of the outer sleeve is fixedly connected with a connecting cylinder, the bottom of the connecting cylinder is fixedly connected with a handle, the right side of the connecting cylinder is provided with a positioning mechanism, and the positioning mechanism is fixedly connected with the outer sleeve. The positioning mechanism comprises a rotating block, a first connecting rod, a second connecting rod, a circular block, a connecting block, a swinging block, a sliding groove, a moving block and an inserting rod, the fusion cage body is located in an inner cavity of the outer sleeve, and the fusion cage body is detachably connected with the outer sleeve through the positioning mechanism. According to the fusion cage, the fusion cage body can be conveniently fixed and positioned, the situation that the fusion cage body falls off or displaces in the using process, consequently, the operation effect is affected, or the operation fails due to displacement of the fusion cage body is prevented, and the success rate of the operation is increased.

Description

Technical Field

[0001] The utility model relates to a cattle bone fusion device inserter with a positioning function, belonging to the technical field of spinal fusion. Background Art

[0002] The development of spinal fusion has a history of nearly a hundred years. Only a few cases of functional disorders caused by herniated disc or spinal stenosis without spondylolisthesis are reserved for fusion. The fusion currently used for a few cases of functional disorders caused by herniated disc or spinal stenosis without spondylolisthesis is to make the original spinal segment immobile and grow into a whole. It is usually used when the stability of the spine is destroyed or correction is required, and internal fixation is required;

[0003] Lumbar fusion surgery involves removing the intervertebral disc through incision, and performing lumbar fixation and fusion at the same time. Lumbar fixation and fusion is to place a lumbar fusion device in the intervertebral space to maintain the height of the lumbar intervertebral space. It is mainly used for lumbar spondylolisthesis, lumbar instability, lumbar disc herniation, severe lumbar spinal stenosis, etc. The corresponding diseased segments can be fixed and fused through surgery. Since the lumbar fusion device is implanted in the body as an allogeneic device, not only biocompatibility but also mechanical compatibility must be considered. The existing bovine bone fusion device implant lacks a device that can position the fusion device, which makes the fusion device easily displaced during use, resulting in poor implantation effect or implantation failure, thus affecting the effect of the operation.

[0004] Therefore, a bovine bone fusion device with positioning function is proposed. Utility Model Content

[0005] In view of this, the utility model provides a bovine bone fusion device inserter with a positioning function to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is achieved as follows: a bovine bone fusion device with a positioning function, comprising an outer sleeve and a fusion device body, the right side of the outer sleeve is fixedly connected with a connecting tube, the bottom of the connecting tube is fixedly connected with a handle, and a positioning mechanism is arranged on the right side of the connecting tube, the positioning mechanism comprises a rotating block, a first connecting rod, a second connecting rod, a circular block, a connecting block, a swing block, a sliding groove, a moving block and a plug-in rod, the fusion device body is located in the inner cavity of the outer sleeve, and the fusion device body is detachably connected to the outer sleeve through the positioning mechanism.

[0007] Further preferably, the rotating block is arranged on the right side of the connecting tube, and the left side of the rotating block is fitted with the right side of the connecting tube, the first connecting rod is fixedly connected to the left side of the rotating block, and the first connecting rod is located in the inner cavity of the connecting tube, the second connecting rod is located on the right side of the inner cavity of the outer sleeve, and the first connecting rod is slidably connected to the inner cavity of the second connecting rod, the circular block is located on the right side of the inner cavity of the outer sleeve, and the right side of the circular block is rotatably connected to the left side of the second connecting rod through a bearing, the connecting block is located on the left side of the circular block, and The right side of the connecting block is rotatably connected to the left side of the second connecting rod through a bearing, the swing block is located on the left side of the connecting block, and the right side of the swing block is fixedly connected to the left side of the connecting block, the number of the sliding grooves is four, which are respectively opened around the swing block, the number of the moving blocks is four, and the moving blocks are respectively slidably connected to the inner side of the sliding grooves, the number of the plug-in rods is four, and the left sides of the plug-in rods are respectively fixedly connected to the right side of the moving block, circular grooves are opened around the fusion body, and the plug-in rods are plugged into the inner side of the circular grooves.

[0008] Further preferably, a buffer spring is fixedly connected to the left side of the inner cavity of the second connecting rod, and the right side of the buffer spring is fixedly connected to the left side of the first connecting rod.

[0009] Further preferably, a plurality of anti-skid grooves are formed on the outer surface of the rotating block, and the sizes and spacings of the plurality of anti-skid grooves are the same.

[0010] Further preferably, the outer surface of the handle is provided with an anti-slip pad, and the material of the anti-slip pad is rubber.

[0011] Further preferably, a limiting groove is provided on the top of the outer sleeve, a push rod is fixedly connected to the top of the connecting block, and the push rod is slidably connected to the inner side of the limiting groove.

[0012] Further preferably, the left side of the circular block is fixedly connected with fixed blocks on all sides, the outer surface of the fixed block is provided with slots of the same size as the circular grooves around the fusion device body, and the connecting rod is inserted into the circular grooves around the fusion device body through the slots.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0014] 1. The utility model can fix and position the fusion device body by setting a positioning mechanism, thereby preventing the fusion device body from falling or shifting during use, thereby affecting the effect of the operation, or causing the operation to fail due to the displacement of the fusion device body, thereby improving the success rate of the operation.

[0015] 2. The utility model can play a buffering role when the circular block moves by arranging a buffer spring, can play an anti-skid role when the rotating block is rotated by arranging an anti-skid groove, can play an anti-skid role when the handle is taken by arranging an anti-skid pad, and can further improve the stability of holding during surgery. By arranging a limit groove and a push rod, the connecting block can be easily moved, thereby pushing the fusion device body out of the inner cavity of the outer sleeve, and by arranging a fixed block, the stability of the connecting rod when moving can be improved.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the front structure of the main body of the utility model;

[0019] Figure 2 This is a structural schematic diagram of the positioning mechanism of the utility model in a disassembled state;

[0020] Figure 3 This is a left-side structural schematic diagram of the positioning mechanism of the utility model;

[0021] Figure 4 It is a schematic cross-sectional structure diagram of the second connecting rod of the utility model.

[0022] Figure numerals: 1. outer sleeve; 2. connecting sleeve; 3. handle; 4. positioning mechanism; 401. rotating block; 402. first connecting rod; 403. second connecting rod; 404. circular block; 405. connecting block; 406. swing block; 407. sliding groove; 408. moving block; 409. plug-in rod; 5. buffer spring; 6. anti-skid groove; 7. anti-skid pad; 8. limiting groove; 9. push rod; 10. fusion device body; 11. fixed block. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0025] Example 1

[0026] like Figure 1-4 As shown, the embodiment of the utility model provides a bovine bone fusion device with a positioning function, including an outer sleeve 1 and a fusion device body 10, the right side of the outer sleeve 1 is fixedly connected to a connecting sleeve 2, the bottom of the connecting sleeve 2 is fixedly connected to a handle 3, and the right side of the connecting sleeve 2 is provided with a positioning mechanism 4, the positioning mechanism 4 includes a rotating block 401, a first connecting rod 402, a second connecting rod 403, a circular block 404, a connecting block 405, a swing block 406, a sliding groove 407, a moving block 408 and a plug-in rod 409, the fusion device body 10 is located in the inner cavity of the outer sleeve 1, and the fusion device body 10 is detachably connected to the outer sleeve 1 through the positioning mechanism 4, the rotating block 401 is arranged on the right side of the connecting sleeve 2, and the left side of the rotating block 401 is in contact with the right side of the connecting sleeve 2, the first connecting rod 402 is fixedly connected to the left side of the rotating block 401, and the first connecting rod 402 is located in the inner cavity of the connecting sleeve 2, and the second connecting rod 403 is located in the outer sleeve 1 The right side of the cavity, and the first connecting rod 402 is slidably connected to the inner cavity of the second connecting rod 403, the circular block 404 is located on the right side of the inner cavity of the outer sleeve 1, and the right side of the circular block 404 is rotatably connected to the left side of the second connecting rod 403 through a bearing, the connecting block 405 is located on the left side of the circular block 404, and the right side of the connecting block 405 is rotatably connected to the left side of the second connecting rod 403 through a bearing, the swing block 406 is located on the left side of the connecting block 405, and the right side of the swing block 406 is fixedly connected to the left side of the connecting block 405, the number of sliding grooves 407 is four, which are respectively opened around the swing block 406, the number of moving blocks 408 is four, and the moving blocks 408 are respectively slidably connected to the inner side of the sliding grooves 407, the number of plug-in rods 409 is four, and the left sides of the plug-in rods 409 are respectively fixedly connected to the right side of the moving block 408, and circular grooves are opened around the fusion device body 10, and the plug-in rods 409 are plugged into the inner side of the circular grooves.

[0027] By providing the positioning mechanism 4, the fusion device body 10 can be easily fixed and positioned to prevent the fusion device body 10 from falling or shifting during use, thereby affecting the effect of the operation, or causing the operation to fail due to the displacement of the fusion device body 10, thereby improving the success rate of the operation.

[0028] Example 2

[0029] In one embodiment, a buffer spring 5 is fixedly connected to the left side of the inner cavity of the second connecting rod 403, and the right side of the buffer spring 5 is fixedly connected to the left side of the first connecting rod 402. A plurality of anti-skid grooves 6 are provided on the outer surface of the rotating block 401, and the sizes and spacings of the plurality of anti-skid grooves 6 are the same. An anti-skid pad 7 is provided on the outer surface of the handle 3, and the material of the anti-skid pad 7 is rubber. A limiting groove 8 is provided on the top of the outer sleeve 1. A push rod 9 is fixedly connected to the top of the connecting block 405, and the push rod 9 is slidably connected to the inner side of the limiting groove 8. Fixed blocks 11 are fixedly connected to the four sides of the left side of the circular block 404. The outer surface of the fixed block 11 is provided with notches of the same size as the circular grooves around the fusion device body 10, and the plug-in rod 409 is plugged into the circular grooves around the fusion device body 10 through the notches.

[0030] By setting the buffer spring 5, it can play a buffering role when the circular block 404 moves. By setting the anti-skid groove 6, it can play an anti-skid role when the rotating block 401 is rotated. By setting the anti-skid pad 7, it can play an anti-skid role when taking the handle 3, thereby further improving the stability of holding during surgery. By setting the limiting groove 8 and the push rod 9, the connecting block 405 can be easily moved, thereby pushing the fusion device body 10 out of the inner cavity of the outer sleeve 1. By setting the fixing block 11, the stability of the connecting rod 409 when moving can be improved.

[0031] When the utility model is working: first, when it is necessary to position the fusion device body 10 to prevent the fusion device body 10 from being displaced during surgery, the fusion device body 10 is passed through the left side of the outer sleeve 1 and placed in the inner cavity of the outer sleeve 1. At this time, by rotating the rotating block 401, the first connecting rod 402 and the second connecting rod 403 are driven to rotate synchronously. The second connecting rod 403 drives the connecting block 405 and the swing block 406 to rotate synchronously through the bearing. During the rotation process, the swing block 406 drives the moving block 408 to slide on the inner side of the sliding groove 407 through the action of the sliding groove 407, thereby driving the plug-in rod 409 to move until the plug-in rod 409 is plugged into the circular grooves around the fusion device body 10. The positioning of the fusion device body 10 can be completed, and the fusion device body 10 can be prevented from being displaced during surgery, resulting in problems such as poor surgical effect or surgical failure.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A bovine bone fusion device with positioning function, characterized in that: The invention comprises an outer sleeve (1) and a fusion device body (10); a connecting sleeve (2) is fixedly connected to the right side of the outer sleeve (1); a handle (3) is fixedly connected to the bottom of the connecting sleeve (2); a positioning mechanism (4) is arranged on the right side of the connecting sleeve (2); the positioning mechanism (4) comprises a rotating block (401), a first connecting rod (402), a second connecting rod (403), a circular block (404), a connecting block (405), a swinging block (406), a sliding groove (407), a moving block (408) and a plug-in rod (409); the fusion device body (10) is located in the inner cavity of the outer sleeve (1); and the fusion device body (10) is detachably connected to the outer sleeve (1) via the positioning mechanism (4).

2. The bovine bone fusion device with positioning function according to claim 1, characterized in that: The rotating block (401) is arranged on the right side of the connecting tube (2), and the left side of the rotating block (401) is in contact with the right side of the connecting tube (2); the first connecting rod (402) is fixedly connected to the left side of the rotating block (401), and the first connecting rod (402) is located in the inner cavity of the connecting tube (2); the second connecting rod (403) is located on the right side of the inner cavity of the outer sleeve (1), and the first connecting rod (402) is slidably connected to the inner cavity of the second connecting rod (403); the circular block (404) is located on the right side of the inner cavity of the outer sleeve (1), and the right side of the circular block (404) is rotatably connected to the left side of the second connecting rod (403) via a bearing; the connecting block (405) is located on the left side of the circular block (404), and the connecting The right side of the connecting block (405) is rotatably connected to the left side of the second connecting rod (403) via a bearing, the swing block (406) is located on the left side of the connecting block (405), and the right side of the swing block (406) is fixedly connected to the left side of the connecting block (405), the number of the sliding grooves (407) is four, and they are respectively opened around the swing block (406), the number of the moving blocks (408) is four, and the moving blocks (408) are respectively slidably connected to the inner side of the sliding grooves (407), the number of the plug-in rods (409) is four, and the left sides of the plug-in rods (409) are respectively fixedly connected to the right side of the moving block (408), the fusion device body (10) is provided with circular grooves around, and the plug-in rods (409) are plugged into the inner side of the circular grooves.

3. The bovine bone fusion device with positioning function according to claim 2, characterized in that: A buffer spring (5) is fixedly connected to the left side of the inner cavity of the second connecting rod (403), and the right side of the buffer spring (5) is fixedly connected to the left side of the first connecting rod (402).

4. The bovine bone fusion device with positioning function according to claim 2, characterized in that: The outer surface of the rotating block (401) is provided with a plurality of anti-skid grooves (6), and the sizes and spacings of the plurality of anti-skid grooves (6) are the same.

5. The bovine bone fusion device with positioning function according to claim 1, characterized in that: The outer surface of the handle (3) is covered with an anti-skid pad (7), and the material of the anti-skid pad (7) is rubber.

6. The bovine bone fusion device with positioning function according to claim 2, characterized in that: A limiting groove (8) is provided at the top of the outer sleeve (1), a push rod (9) is fixedly connected to the top of the connecting block (405), and the push rod (9) is slidably connected to the inner side of the limiting groove (8).

7. The bovine bone fusion device with positioning function according to claim 2, characterized in that: The left side of the circular block (404) is fixedly connected to a fixing block (11) on all sides, and the outer surface of the fixing block (11) is provided with a notch of the same size as the circular groove on the periphery of the fusion device body (10), and the plug-in rod (409) is plugged into the circular groove on the periphery of the fusion device body (10) through the notch.

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