Guide drill

Abstract

The utility model discloses a guide drill which comprises a middle rod, a drill bit rod is arranged at one end of the middle rod, a drill bit part is arranged at one end of the drill bit rod, a drilling tool edge is arranged on the drill bit part, a chip groove is formed in the drill bit rod, an air blowing communication assembly is arranged on the middle rod, and an air outlet cleaning assembly is arranged on the drill bit rod. According to the guide drill, the chip removal groove is formed in the drill bit rod, bone chips can be discharged in the drilling process due to the arrangement of the chip removal groove, the internal situation needs to be observed in the drilling process due to the arrangement of the air outlet cleaning assembly and the air blowing communication assembly, the bone chips need to be blown away, and therefore the bone chips can be conveniently removed. An external pipeline is connected to the connecting pipe, connection of the pipeline is facilitated through the arranged threaded connecting groove, after connection, blown air passes through the middle hole and the end holes and is blown out of the conical barrel holes, bone scraps can be blown away through the blown air, and the bone scraps are leaked out of the holes after being blown away, so that observation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of drill guides, in particular to a drill guide. Background Art

[0002] In clinical fracture internal fixation, it is often necessary to drill bone holes at appropriate locations and insert screws or bolts for fixation. At this time, a through-bone hole needs to be drilled at the corresponding location. A guide drill is usually used to guide the drilling of the bone drill. During the use of the guide drill for orthopedics, the drill is used to drill holes. During the drilling process, bone chips are not easy to be discharged immediately. At the same time, during the drilling process, the situation in the hole needs to be constantly observed. After drilling, there will be a lot of bone chips in the hole, which are not easy to remove and affect observation. For this reason, a guide drill is proposed. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a drill guide for solving the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A drill guide comprises a middle rod, one end of which is provided with a drill rod, one end of which is provided with a drill head, the drill head is provided with a drill cutting edge, the drill rod is provided with a chip removal groove, the middle rod is provided with an air blowing connecting component, the drill rod is provided with an air outlet cleaning component, and the air outlet cleaning component is connected to the air blowing connecting component.

[0006] Preferably, the blowing connection component includes a middle hole opened on the middle rod, and a connecting pipe is installed on the middle rod, and the connecting pipe is connected to the middle hole.

[0007] Preferably, an external hole is opened on the inner wall of the middle hole, one end of the connecting pipe passes through the external hole, and a threaded connecting groove is provided on the connecting pipe.

[0008] Preferably, the air outlet cleaning assembly includes an end hole opened on the drill bit rod, the end hole is connected to the middle hole, a plurality of conical barrel holes are opened on one side of the end hole, and the conical barrel holes are connected to the chip removal groove.

[0009] Preferably, the chip removal groove is arranged in a threaded shape, and the outer opening of the cone barrel hole is small and the inner opening is large.

[0010] Preferably, one end of the middle rod away from the drill bit rod is connected to a tail connecting block, and the tail connecting block is arranged in a rectangular shape.

[0011] Preferably, the drill head and the drill rod are both made of stainless steel.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the guide drill is provided with a chip groove on the drill bit rod, and the setting of the chip groove can discharge bone chips during the drilling process. The air outlet cleaning component and the air blowing connecting component are provided. During the drilling process, it is necessary to observe the internal situation and blow away the bone chips. The external pipeline is connected to the connecting pipe, and the threaded connecting groove is provided to facilitate the connection of the pipeline. After the connection, the air is blown through the middle hole and the end holes and blown out from the multiple cone barrel holes. The bone chips can be blown away by blowing, and leak out of the holes after being blown away, which is convenient for observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a left-side perspective structural diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model from the right side;

[0015] Figure 3 It is a schematic structural diagram of the cross-section of the utility model.

[0016] In the figure: 1. middle rod; 2. drill rod; 3. drill head; 4. drill cutting edge; 5. chip groove; 6. tail connecting block; 7. middle hole; 8. end hole; 9. cone barrel hole; 10. external hole; 11. connecting pipe; 12. threaded connecting groove. DETAILED DESCRIPTION

[0017] 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.

[0018] Example: Refer to Figure 1-3 A guide drill comprises a middle rod 1, a drill rod 2 is provided at one end of the middle rod 1, a drill head 3 is provided at one end of the drill rod 2, a drill cutting edge 4 is provided on the drill head 3, and a bone in orthopedics can be drilled through the drill cutting edge 4. The drill head 3 is made of stainless steel and is not easy to rust. A chip groove 5 is provided on the drill rod 2, and the chip groove 5 is arranged in a threaded shape. The chip groove 5 is provided on the drill rod 2. The arrangement of the chip groove 5 can discharge bone chips during the drilling process. An air blowing connecting component is provided on the middle rod 1, and an air outlet cleaning component is provided on the drill rod 2. The air outlet cleaning component is connected to the air blowing connecting component.

[0019] Specifically, the blowing connection component includes a middle hole 7 opened on the middle rod 1, a connecting pipe 11 is installed on the middle rod 1, the connecting pipe 11 is connected to the middle hole 7, an external hole 10 is opened on the inner wall of the middle hole 7, one end of the connecting pipe 11 passes through the external hole 10, and a threaded connecting groove 12 is provided on the connecting pipe 11.

[0020] Specifically, the air outlet cleaning component includes an end hole 8 opened on the drill bit rod 2, the end hole 8 is connected with the middle hole 7, a plurality of conical barrel holes 9 are opened on one side of the end hole 8, the conical barrel hole 9 is connected with the chip removal groove 5, the outer opening of the conical barrel hole 9 is small, and the inner opening is large. The air outlet cleaning component and the air blowing connecting component are set. During the drilling process, it is necessary to observe the internal situation and blow away the bone chips. The external pipeline is connected to the connecting pipe 11. The threaded connecting groove 12 is set to facilitate the connection of the pipeline. After the connection, the air is blown through the end hole 8 of the middle hole 7 and blown out from the plurality of conical barrel holes 9. The bone chips can be blown away by blowing, and leak out of the holes after being blown away, which is convenient for observation. The outer opening of the conical barrel hole 9 is small, and bone chips are not easy to enter.

[0021] Specifically, one end of the middle rod 1 away from the drill bit rod 2 is connected to a tail connecting block 6, and the tail connecting block 6 is arranged in a rectangular shape. The tail connecting block 6 is arranged to facilitate the connection and fixation of the guide drill.

[0022] During use: a middle rod 1 is provided on the guide drill, a drill rod 2 is provided at the end of the middle rod 1, a drill head 3 is provided at the end of the drill rod 2, a drill blade 4 is provided on the drill head 3, and a bone drilling operation can be performed on the bone in the orthopedics through the drill blade 4. The drill head 3 is made of stainless steel and is not easy to rust. A chip groove 5 is provided on the drill head rod 2. The chip groove 5 can discharge bone chips during the drilling process. An air outlet cleaning component and an air blowing connecting component are provided. During the drilling process, it is necessary to observe the internal situation and blow away the bone chips. The external pipeline is connected to the connecting pipe 11. The threaded connecting groove 12 is provided to facilitate the connection of the pipeline. After the connection, the air is blown through the middle hole 7 and the end hole 8 and blown out from the multiple cone barrel holes 9. The bone chips can be blown away by blowing the air, and leak out of the holes after being blown away, which is convenient for observation. The external opening of the cone barrel hole 9 is small, and bone chips are not easy to enter, so it is easy to use.

[0023] 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 drill guide, comprising a middle rod (1), characterized in that: A drill rod (2) is provided at one end of the middle rod (1), a drill head (3) is provided at one end of the drill rod (2), a drill cutter (4) is provided on the drill head (3), a chip removal groove (5) is provided on the drill rod (2), an air blowing connection component is provided on the middle rod (1), an air outlet cleaning component is provided on the drill rod (2), and the air outlet cleaning component is connected to the air blowing connection component.

2. A drill guide according to claim 1, characterized in that: The blowing connection assembly comprises a middle hole (7) formed on the middle rod (1), a connecting pipe (11) is installed on the middle rod (1), and the connecting pipe (11) is connected to the middle hole (7).

3. A drill guide according to claim 2, characterized in that: An external hole (10) is provided on the inner wall of the middle hole (7), one end of a connecting pipe (11) passes through the external hole (10), and a threaded connecting groove (12) is provided on the connecting pipe (11).

4. A drill guide according to claim 2, characterized in that: The air outlet cleaning assembly comprises an end hole (8) formed on the drill bit rod (2), the end hole (8) being connected to the middle hole (7), a plurality of conical barrel holes (9) being formed on one side of the end hole (8), the conical barrel holes (9) being connected to the chip removal groove (5).

5. A drill guide according to claim 4, characterized in that: The chip removal groove (5) is arranged in a threaded shape, and the outer opening of the cone barrel hole (9) is small and the inner opening is large.

6. A drill guide according to claim 1, characterized in that: One end of the middle rod (1) away from the drill rod (2) is connected to a tail connecting block (6), and the tail connecting block (6) is arranged in a rectangular shape.

7. A drill guide according to claim 1, characterized in that: The drill head (3) and the drill rod (2) are both made of stainless steel.

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