Bone guide plate for dog tibia horizontal osteotomy

Abstract

The utility model discloses a dog tibia horizontal osteotomy bone guide plate which comprises a first guide plate body and a second guide plate body, the inner wall of the first guide plate body and the inner wall of the second guide plate body are each of an arc-shaped structure, and the first guide plate body and the second guide plate body are used for attachment of dog tibia moving positions. Fixing rings are fixedly connected to the inner walls of the first guide plate and the second guide plate, wear-resisting rings are fixedly connected to the inner walls of the fixing rings, and positioning assemblies are inserted into inner cavities of the wear-resisting rings in a penetrating mode and used for multi-angle fixing of the first guide plate and the second guide plate. By means of the arrangement mode that the first guide plate and the second guide plate are matched, the positions of the first guide plate and the second guide plate which are arranged at different angles can be fixed through matching of the fixing ring and the positioning assembly, and the attaching stability of the first attaching plate and the second attaching plate on the outer wall of the tibia is improved; abrasion of the first attaching plate and the second attaching plate to the outer wall of the tibia is reduced, and the application performance of the bone guide plate to dog tibia fixation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pet medical technology field, especially a dog tibia horizontal osteotomy bone guide plate. BACKGROUND

[0002] With the development of modern pet medical treatment, the treatment technology for pet cats and dogs is more and more mature, and for the damage of dog leg joints, osteotomy can be used to treat the dog leg joints.

[0003] Tibia osteotomy is to cut saw and open bone gap in the medial tibia through surgery, fill bone and fix bone plate and bone screw, transfer the force line from the medial compartment of the knee joint with inflammation and wear to the lateral compartment of the knee joint, thereby significantly reducing the pressure in the medial compartment, restoring it to the normal range that the cartilage can bear, effectively preventing the wear of the cartilage, relieving the pain of the knee joint, and even allowing the worn cartilage and injured meniscus to be self-repaired, tibia osteotomy is commonly used for human joint treatment, and is also effective in cat and dog treatment, since the joint structure of cats and dogs is small, the bone guide plate used in the existing osteotomy is not suitable for the fixation of dog tibia, and the skin and fat of the cat and dog joint is less, when fixing the outside of the dog tibia in the vertical direction, the edge and corner of the bone guide plate is easy to wear on the lateral side of the dog tibia, affecting the applicability of the bone guide plate to the fixation of the dog tibia during the horizontal tibia osteotomy of the dog. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a dog tibia horizontal osteotomy bone guide plate to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dog tibia horizontal osteotomy bone guide plate, comprising: a first guide plate and a second guide plate, the inner walls of the first guide plate and the second guide plate are arc-shaped structures, the first guide plate and the second guide plate are used for the fitting of the dog tibia movement, and the first guide plate and the second guide plate are oppositely fitted.

[0006] The inner walls of the first guide plate and the second guide plate are fixedly connected with fixing rings, the inner walls of the fixing rings are fixedly connected with wear-resistant rings, the inner cavities of the wear-resistant rings are inserted with positioning assemblies, and the positioning assemblies are used for the multi-angle fixation of the first guide plate and the second guide plate.

[0007] Preferably, the first guide plate comprises:

[0008] A first fitting plate, one of the fixing rings is fixed to the outer wall of the first fitting plate;

[0009] A first chamfered edge, the first chamfered edge is arranged at the top and bottom of the inner wall of the first fitting plate;

[0010] A first buffer veneer is fixed to the inner wall of the first veneer plate.

[0011] A first corner frame is fixed to a corner of the first veneer plate.

[0012] Preferably, the second guide plate comprises:

[0013] A second veneer plate is arranged below the first veneer plate.

[0014] A second chamfered edge is arranged at the top and bottom of the inner wall of the second veneer plate.

[0015] A second buffer veneer is fixed to the inner wall of the second veneer plate.

[0016] A second corner frame is fixed to a corner of the second veneer plate, and a screw rod is fixedly connected between the first corner frame and the second corner frame.

[0017] Preferably, the outer walls of the first veneer plate and the second veneer plate are fixedly connected with needle sleeves, and the middle part of the needle sleeve is provided with a Kirschner wire hole.

[0018] Preferably, the positioning assembly comprises:

[0019] A first positioning rod and a second positioning rod are respectively connected with the middle part of the adjacent fixed ring.

[0020] A positioning block is fixed to the top of the first positioning rod.

[0021] A clamping plate is fixed to the bottom of the second positioning rod.

[0022] A screw is threadedly inserted into the middle part of the positioning block and the middle part of the clamping plate.

[0023] Preferably, the positioning block is rotatably inserted between the adjacent two clamping plates, and the screw is used for angle locking between the positioning block and the clamping plate.

[0024] The technical effects and advantages of the utility model are:

[0025] The utility model discloses a first guide plate and second guide plate cooperate with each other, utilize the cooperation of fixed ring and positioning assembly, can position fixing of the first guide plate and second guide plate of different angle setting, through the insertion of the external use kirschner wire and shinbone, can fix the dog shinbone, through the setting of first buffer veneer and second buffer veneer, improve the stability of first laminating board and second laminating board on the shinbone outer wall laminating, cooperate first chamfer edge and second chamfer edge, reduce the abrasion of first laminating board and second laminating board to the shinbone outer wall, improve the applicability of bone guide plate to the dog shinbone fixation. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is the whole structure schematic diagram of first guide plate of the utility model.

[0027] Fig. 2 It is the whole side sectional structure schematic diagram of the utility model.

[0028] Fig. 3 It is the whole structure schematic diagram of positioning rod of the utility model.

[0029] In the drawing: 1, first guide plate;11, first laminating board;12, first chamfer edge;13, first buffer veneer;14, first corner frame;2, second guide plate;21, second laminating board;22, second chamfer edge;23, second buffer veneer;24, second corner frame;3, fixed ring;4, wear -resisting ring;5, positioning assembly;51, first positioning rod;52, second positioning rod;53, positioning block;54, clamping plate;55, bolt;6, screw;7, needle cover;8, kirschner hole. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts are within the protection scope of the utility model.

[0031] The utility model provides a kind of dog shinbone horizontal osteotomy bone guide plate as shown in Figs. 1-3 Including:

[0032] The inner wall of the first guide plate 1 and the second guide plate 2 is in an arc structure, the first guide plate 1 and the second guide plate 2 are used for fitting at the active part of the dog tibia, the first guide plate 1 and the second guide plate 2 are oppositely fitted, the first guide plate 1 comprises: a first fitting plate 11, a first chamfered edge 12, a first buffer fitting surface 13, the inner wall of the first fitting plate 11 is in an arc structure matched with the arc of the outer wall of the dog tibia, the first chamfered edge 12 is arranged at the top and bottom of the inner wall of the first fitting plate 11, the first buffer fitting surface 13 is fixed to the inner wall of the first fitting plate 11, the first buffer fitting surface 13 is a bone fitting surface, which can be closely fitted with the outer wall of the dog tibia, thereby expanding the application range of the bone guide plate at different tibia parts, the first corner frame 14 is fixed to one corner of the first fitting plate 11, the first corner frame 14 is integrally formed with the first fitting plate 11, and the corner structure of the first corner frame 14 and the first fitting plate 11 is an arc transition structure, which can ensure the roundness of the first corner of the first guide plate 1, and the first chamfered edge 12 is arranged, thereby reducing the wear of the first guide plate 1 on the dog tibia;

[0033] Specifically, the second guide plate 2 comprises: a second fitting plate 21, a second chamfered edge 22, a second buffer fitting surface 23 and a second corner frame 24, the second fitting plate 21 is arranged below the first fitting plate 11, the second chamfered edge 22 is arranged at the top and bottom of the inner wall of the second fitting plate 21, the second buffer fitting surface 23 is fixed to the inner wall of the second fitting plate 21, the second corner frame 24 is fixed to one corner of the second fitting plate 21, the second corner frame 24 is in an arc corner structure integrally formed with the second fitting plate 21, which improves the roundness of the corner structure of the second guide plate 2, and the arc structures of the second corner frame 24 and the first corner frame 14 make the second corner frame 24 suitable for fitting with the first corner frame 14, and the screw rod 6 is fixedly connected between the first corner frame 14 and the second corner frame 24, so that the first guide plate 1 and the second guide plate 2 in the vertical structure can be fixed through the screw rod 6;

[0034] Further, the inner wall of the first guide plate 1 and the second guide plate 2 is fixedly connected with a fixing ring 3, one of the fixing rings 3 is fixed to the outer wall of the first fitting plate 11, and the other fixing ring 3 is fixed to the outer wall of the second fitting plate 21, the inner wall of the fixing ring 3 is fixedly connected with a wear-resistant ring 4, the inner cavity of the wear-resistant ring 4 is inserted with a positioning assembly 5, and the positioning assembly 5 is used for multi-angle fixing of the first guide plate 1 and the second guide plate 2;

[0035] Specifically, the positioning assembly 5 comprises a first positioning rod 51, a second positioning rod 52, a positioning block 53, a clamping plate 54 and a bolt 55, the first positioning rod 51 and the second positioning rod 52 are respectively connected with the middle part of the adjacent fixing ring 3, the positioning block 53 is fixed on the top of the first positioning rod 51, the clamping plate 54 is fixed on the bottom of the second positioning rod 52, two clamping plates 54 are respectively fixed on the two sides of the bottom of the second positioning rod 52, the bolt 55 is threaded through the middle part of the positioning block 53, the bolt 55 is threaded through the middle part of the clamping plate 54, the positioning block 53 is rotatably inserted between the two clamping plates 54, and the bolt 55 is used for angle locking between the positioning block 53 and the clamping plate 54, through the locking of the positioning block 53 and the clamping plate 54 by the bolt 55, the first positioning rod 51 and the second positioning rod 52 can keep the position stable at different angles, which is convenient for being applicable to the case that the screw rod 6 cannot be used for fixing the first guide plate 1 and the second guide plate 2 in an inclined manner, when the first guide plate 1 and the second guide plate 2 keep a vertical state and are used for fixing the upper and lower tibias of the horizontal osteotomy, the first guide plate 1 and the second guide plate 2 can be doubly fixed by the screw rod 6 and the positioning assembly 5, when the first guide plate 1 and the second guide plate 2 are fixed in an inclined manner, the first guide plate 1 and the second guide plate 2 set with the bending angle can be fixed in position by the positioning assembly 5, the adaptability of the bone guide plate in use is improved, and the horizontal osteotomy of the tibia of a dog is applicable.

[0036] Further, the outer wall of the first fitting plate 11 and the second fitting plate 21 is fixedly connected with a needle sleeve 7, the middle part of the needle sleeve 7 is provided with a Kirschner wire hole 8, the Kirschner wire is inserted into the Kirschner wire hole 8, so that the Kirschner wire can be inserted and fixed to the tibia fitted with the first buffer veneer 13 and the second buffer veneer 23, and the stability of the first guide plate 1 and the second guide plate 2 on the tibia is improved.

[0037] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A bone guide for canine tibial high tibial osteotomy, characterized in that, The utility model relates to a kind of dog shin guide plate, including: First guide plate (1) and second guide plate (2), the inner wall of first guide plate (1) and second guide plate (2) is arc structure, first guide plate (1) and second guide plate (2) are used for the fit of dog shin active place, first guide plate (1) and second guide plate (2) are oppositely fitted and arranged; The inner wall of first guide plate (1) and second guide plate (2) is fixedly connected with fixed ring (3), the inner wall of fixed ring (3) is fixedly connected with wear-resistant ring (4), the inner cavity of wear-resistant ring (4) is inserted with positioning assembly (5), and positioning assembly (5) is used for the multi-angle fixation of first guide plate (1) and second guide plate (2).

2. The bone guide for a dog tibial osteotomy according to claim 1, characterized in that, The first guide plate (1) includes: First fit plate (11), one of the fixed ring (3) is fixed to the outer wall of first fit plate (11); First chamfer edge (12), first chamfer edge (12) is opened in the top and bottom of the inner wall of first fit plate (11); First buffer veneer (13), first buffer veneer (13) is fixed to the inner wall of first fit plate (11); First corner frame (14), first corner frame (14) is fixed to one corner of first fit plate (11).

3. The bone guide for a dog tibial osteotomy according to claim 2, characterized in that, The second guide plate (2) includes: Second fit plate (21), second fit plate (21) is arranged below first fit plate (11); Second chamfer edge (22), second chamfer edge (22) is opened in the top and bottom of the inner wall of second fit plate (21); Second buffer veneer (23), second buffer veneer (23) is fixed to the inner wall of second fit plate (21); Second corner frame (24), second corner frame (24) is fixed to one corner of second fit plate (21), and screw rod (6) is fixedly connected between first corner frame (14) and second corner frame (24).

4. The bone guide for a dog tibial osteotomy according to claim 3, characterized in that, The outer wall of first fit plate (11) and second fit plate (21) is fixedly connected with needle sleeve (7), and kirschner wire hole (8) is arranged in the middle of needle sleeve (7).

5. The bone guide for a dog tibial osteotomy according to claim 1, wherein, The positioning assembly (5) includes: First positioning rod (51) and second positioning rod (52), first positioning rod and second positioning rod (52) are respectively connected with the middle portion of adjacent fixed ring (3); Positioning block (53), positioning block (53) is fixed to the top of first positioning rod (51); Clamp plate (54), clamp plate (54) is fixed to the bottom of second positioning rod (52); Bolt (55), bolt (55) is threaded and inserted in the middle portion of positioning block (53), and bolt (55) is inserted in the middle portion of clamp plate (54).

6. The bone guide for a dog tibial osteotomy according to claim 5, characterized in that, Positioning block (53) is rotatably inserted between adjacent two clamp plates (54), and bolt (55) is used for the angle locking between positioning block (53) and clamp plate (54).

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