Bone drill tool head connecting structure

Abstract

The utility model discloses a bone drill tool head connecting structure which comprises a bone drill bit, a drill rod is arranged above the bone drill bit, a connecting rod is arranged on the upper portion of the bone drill bit, a buckling rod is arranged on the lower portion of the drill rod, and the buckling rod is connected with the drill rod. According to the novel head connecting structure provided by the utility model, the disassembly and assembly processes of the bone drill bit are simpler, and special tools are not needed. This reduces the complexity and time costs of surgical procedures. According to the bone drill tool head connecting structure, the drill rod, the connecting rod and the buckling rod are connected with one another, and the design of a mark groove, a buckling groove, a butt joint groove, a rotating groove and the like is adopted, so that the connecting stability and accurate alignment are ensured. The polygonal connecting rods arranged on the connecting rods increase the connection stability, and the connection parts are prevented from shaking or rotating.

Description

Technical Field

[0001] The utility model relates to a bone drill tool head connection structure. Background Art

[0002] In orthopedic surgery, a bone drill is often needed to drill holes in the bone marrow cavity. A bone drill usually consists of a drill bit and a drill rod, wherein the drill bit is used to cut bones, and the drill rod is used to transmit power and control the movement of the bone drill.

[0003] The disassembly and assembly process of the existing bone drill tool is relatively complicated and requires the use of special tools, which increases the complexity and time cost of the surgical operation. Therefore, a bone drill tool head connection structure is provided. Utility Model Content

[0004] The purpose of the utility model is to provide a bone drill tool head connection structure to solve the problem mentioned in the above background technology that the disassembly and assembly process of the existing bone drill tools is relatively cumbersome, requires the use of special tools, and increases the complexity and time cost of surgical operations.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a bone drill tool head connection structure, comprising a bone drill bit, a drill rod is arranged above the bone drill bit,

[0006] The upper part of the bone drill bit is provided with a connecting rod, and the lower part of the drill rod is provided with a buckle rod.

[0007] Wherein, the buckle rod and the drill rod are connected to each other.

[0008] Preferably, a connecting rod is provided on the upper portion of the connecting rod, and the connecting rod is in a polygonal shape.

[0009] Preferably, marking grooves are provided on both sides of the connecting rod, and a buckling groove for snapping is provided on one side of the marking groove.

[0010] Preferably, docking grooves are provided on both sides of the lower part of the buckle rod, and a rotating groove is provided on one side of the docking groove, a rotating rod is rotatably connected inside the rotating groove, and a positioning convex plate that cooperates with the buckling groove is provided on the side of the buckle rod away from the rotating groove.

[0011] Preferably, an external thread is provided on the upper portion of the buckle rod.

[0012] Preferably, the bottom end surface of the buckle rod is provided with a plug-in groove that cooperates with the connecting rod.

[0013] Preferably, a fixing sleeve is arranged on the outer periphery of the connecting rod and the buckle rod, and an inner thread cooperating with the outer thread is formed on the upper part of the fixing sleeve.

[0014] Preferably, the interior of the fixing sleeve is arranged in steps so that the fixing sleeve cooperates with the outer periphery of the connecting rod and the buckle rod.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The head connection structure provided in the utility model makes the disassembly and assembly process of the bone drill bit simpler without the need for special tools, thereby reducing the complexity and time cost of the surgical operation.

[0017] The drill rod, connecting rod and buckle rod in the bone drill tool head connection structure are connected to each other, and the design of marking groove, buckle groove, docking groove and rotation groove is adopted to ensure the stability and precise alignment of the connection.

[0018] The polygonal connecting rod arranged on the connecting rod increases the stability of the connection and prevents the shaking or rotation of the connection part.

[0019] The internal thread on the fixing sleeve cooperates with the external thread on the buckle rod, and the fixing sleeve provides additional fixing force for the connection between the connecting rod of the bone drill bit and the buckle rod of the drill rod, thereby ensuring a firm connection.

[0020] The internal step design of the fixing sleeve enables it to cooperate with the outer periphery of the connecting rod and the buckle rod, thereby increasing the stability and tightness of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0022] Figure 2 This is a schematic diagram of the connecting rod structure of an embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of the buckle rod structure of an embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the bottom structure of the buckle rod of an embodiment of the utility model;

[0025] Figure 5 It is a schematic diagram of the cutaway structure of an embodiment of the utility model;

[0026] Figure 6 This is a schematic diagram of the fixing sleeve structure of an embodiment of the utility model.

[0027] In the figure: 1. bone drill bit; 2. drill rod; 3. connecting rod; 301. connecting rod; 302. marking groove; 303. buckle groove; 4. buckle rod; 401. docking groove; 402. rotating groove; 403. rotating rod; 404. positioning convex plate; 405. external thread; 406. plug-in groove; 5. fixing sleeve; 501. internal thread. DETAILED DESCRIPTION

[0028] In order to solve the problem that the disassembly and assembly process of the existing bone drill tool is relatively cumbersome and requires the use of special tools, which increases the complexity and time cost of the surgical operation, the embodiment of the utility model provides a bone drill tool head connection structure. The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment 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 making creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-6 The utility model provides a bone drill tool head connection structure, comprising a bone drill bit 1, a drill rod 2 is arranged above the bone drill bit 1,

[0030] The upper part of the bone drill bit 1 is provided with a connecting rod 3, and the lower part of the drill rod 2 is provided with a buckle rod 4.

[0031] A connecting rod 301 is disposed on the upper portion of the connecting rod 3, and the connecting rod 301 is in a polygonal shape. Both sides of the connecting rod 3 are provided with a marking groove 302, and one side of the marking groove 302 is provided with a buckle groove 303 for engagement.

[0032] The lower part of the buckle rod 4 is provided with docking grooves 401 on both sides, and a rotation groove 402 is provided on one side of the docking groove 401, and a rotation rod 403 is rotatably connected inside the rotation groove 402, and a positioning convex plate 404 that cooperates with the buckle groove 303 is provided on the side of the buckle rod 4 away from the rotation groove 402. An external thread 405 is provided on the upper part of the buckle rod 4. The bottom end surface of the buckle rod 4 is provided with an insertion groove 406 that cooperates with the connecting rod 301.

[0033] A fixing sleeve 5 is arranged on the periphery of the connecting rod 3 and the buckle rod 4, and an internal thread 501 is provided on the upper part of the fixing sleeve 5 to cooperate with the external thread 405. The interior of the fixing sleeve 5 is stepped so that the fixing sleeve 5 and the periphery of the connecting rod 3 and the buckle rod 4 cooperate with each other.

[0034] The buckle rod 4 and the drill rod 2 are connected to each other.

[0035] The working principle of the bone drill tool head connection structure provided by the utility model is as follows: during assembly, the connecting rod 3 on the upper part of the bone drill bit 1 is aligned with the buckle rod 4 at the drill rod 2, the connecting rod 301 at the connecting rod 3 is plugged into the plug-in groove 406 of the buckle rod 4, so that the marking groove 302 at the connecting rod 3 is in contact with the docking groove 401, and the rotating rod 403 is rotated so that the positioning convex plate 404 at the rotating rod 403 is engaged with the buckle groove 303,

[0036] The fixing sleeve 5 is sleeved from the bone drill bit 1 to the lower part of the buckle rod 4, the internal thread 501 is matched with the external thread 405, and the fixing sleeve 5 is rotated so that the fixing sleeve 5 can clamp the connecting rod 3 and the buckle rod 4 located on the drill rod 2, fix the position of the rotating rod 403, and prevent the positioning convex plate 404 on the rotating rod 403 from moving out of the buckle groove 303, thereby completing the connection between the bone drill bit 1 and the drill rod 2;

[0037] When disassembling, the fixing sleeve 5 is rotated out in the opposite direction to release the connection between the bone drill bit 1 and the drill rod 2 .

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bone drill tool head connection structure, characterized in that: The invention comprises a bone drill bit (1), wherein a drill rod (2) is arranged above the bone drill bit (1). The upper part of the bone drill bit (1) is provided with a connecting rod (3), and the lower part of the drill rod (2) is provided with a buckle rod (4). Wherein, the buckle rod (4) and the drill rod (2) are connected to each other.

2. A bone drill tool head connection structure according to claim 1, characterized in that: A connecting rod (301) is provided on the upper part of the connecting rod (3), and the connecting rod (301) is in a polygonal shape.

3. A bone drill tool head connection structure according to claim 2, characterized in that: Marking grooves (302) are provided on both sides of the connection rod (3), and a buckling groove (303) for locking is provided on one side of the marking groove (302).

4. A bone drill tool head connection structure according to claim 3, characterized in that: The lower sides of the buckle rod (4) are provided with docking grooves (401), and one side of the docking groove (401) is provided with a rotation groove (402), the interior of the rotation groove (402) is rotatably connected to a rotation rod (403), and a positioning convex plate (404) that cooperates with the buckling groove (303) is provided on the side of the buckle rod (4) away from the rotation groove (402).

5. A bone drill tool head connection structure according to claim 4, characterized in that: An external thread (405) is formed on the upper portion of the buckle rod (4).

6. A bone drill tool head connection structure according to claim 5, characterized in that: The bottom end surface of the buckle rod (4) is provided with an inserting groove (406) that cooperates with the connecting rod (301).

7. A bone drill tool head connection structure according to claim 6, characterized in that: A fixing sleeve (5) is arranged on the outer periphery of the connecting rod (3) and the buckle rod (4), and an internal thread (501) cooperating with the external thread (405) is formed on the upper portion of the fixing sleeve (5).

8. The bone drill tool head connection structure according to claim 7, characterized in that: The interior of the fixing sleeve (5) is arranged in a stepped manner so that the fixing sleeve (5) and the outer peripheries of the connecting rod (3) and the buckle rod (4) can cooperate with each other.

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