TWI818545B - Surgical bone drill bit stabilizer - Google Patents

Abstract

A stabilizer for a surgical bone drill bit, including a first stabilizer and a second stabilizer, each having a first through hole and a second through hole. One end of the rod body of the surgical bone drill is provided with a drill bit, and the first stabilizer is sleeved on One end of the rod body is adjacent to the drill bit, and the second stabilizer is sleeved on one end of the rod body and adjacent to the first stabilizer. With this, after the surgical bone drill penetrates the casing and is connected to the electric tool, when the surgical bone drill rotates, it passes through the first stabilizer. The stabilizer and the second stabilizer increase the stability and can effectively reduce the deflection and shaking of the surgical bone drill in the casing. At the same time, the first stabilizer is adjacent to the casing opening and can effectively prevent debris tissue from being involved in the casing. .

Description

Surgical bone drill bit stabilizer

The present invention relates to a stabilizer, in particular to a stabilizer for a surgical bone drill bit that can increase the stability of a surgical drill bit during use and prevent debris tissue from being involved in the equipment.

The surgical drill bit is a tool commonly used in orthopedics, otolaryngology, neurosurgery, etc. One end of the transmission rod is equipped with a surgical drill bit, and the other end is connected to an electric hand tool; electric hand tools for medical use, and electric hand tools for water, electricity, civil engineering, etc. The structure is roughly the same, but the requirements for sterilization, waterproofing, emergency stop, or speed control are very strict; the surgical drill bit is mainly used to cut, plane, and grind bones or soft tissue; before the surgical drill bit is used, the transmission rod will It is pre-set in a special casing to prevent the transmission rod from contacting the tissue near the surgical wound and avoid damage to the surgical wound; one end of the casing is an exposed drill bit, and the other end is an exposed transmission rod, which is connected to the electric hand The tool, in this way, can replace different surgical drill bits according to different surgical needs.

However, the distance between the casing and the transmission rod will cause excessive shaking when the surgical drill is used, which can easily damage the endoscope used. At the same time, tissue debris generated during the operation will also cause the transmission rod to move quickly due to the rapid movement of the surgical drill bit. If it is rotated and rolled into the casing, it is quite easy to cause the transmission rod and the casing to get stuck, or the motor of the electric hand tool to be damaged due to jamming and overload.

In view of the above-mentioned shortcomings of conventional use, the inventor researched ways to improve the above-mentioned shortcomings, and finally came up with the present invention.

The main purpose of the present invention is to provide a stabilizer for a surgical bone drill bit that can increase the stability of the surgical drill bit during use.

A secondary object of the present invention is to provide a stabilizer for a surgical bone drill bit that prevents debris tissue from being entangled in the equipment.

Another object of the present invention is to provide a stabilizer for a surgical bone drill bit that can reduce friction.

First of all, the present invention is connected to a rod body, and one end of the rod body is provided with a drill bit. In order to achieve the above objects and effects, the technical means adopted by the present invention include: having a first through hole for being sleeved on one end of the rod body; a first stabilizer adjacent to the drill bit, and a second stabilizer having a second through hole for being sleeved on the rod body and adjacent to the first stabilizer.

In addition, the present invention can be connected to a rod body provided with a connecting section. The connecting section divides the rod body into a first section and a second section. The first section is between the drill bit and the connecting section. The technical means adopted include: having a first through hole for being sleeved on the first stabilizer in the first section; and having a second through hole for being sleeved on the second stabilizer in the second section, and the first The stabilizer and the second stabilizer are respectively located on both sides of the connecting section.

According to the above structure, the length of the drill bit is X, and the distance between the first stabilizer and the drill bit is between 0.5X and 1.5X.

According to the above structure, the distance between the first stabilizer and the drill bit is between 0.5cm and 2cm.

According to the above structure, the rod body is inserted into the preset casing tube, and one end of the first stabilizer facing the drill bit is defined outside the casing tube.

According to the above structure, one end of the first stabilizer facing the drill bit is defined outside the casing by 0.1cm~0.5cm.

According to the above structure, a plurality of grooves are provided on the surface of the first stabilizer or the second stabilizer.

In order to obtain a more specific understanding of the above-mentioned purpose, effect and characteristics of the present invention, the following description is given with reference to the accompanying drawings:

1: rod body

11:Drill bit

12:Connection segment

13:First section

14:Second section

2: The first stabilizer

21: First through hole

22:Trench

3: Second stabilizer

31: Second through hole

32:Trench

4: Casing

41:Channel

Figure 1 is a perspective view of a preferred embodiment of the present invention.

Figure 2 is an exploded perspective view of Figure 1.

Figure 3 is a cross-sectional view of Figure 1 when in use.

Figure 4 is a perspective view of yet another preferred embodiment of the present invention.

Figure 5 is a perspective view of another preferred embodiment of the present invention.

Figure 6 is an exploded perspective view of Figure 5 .

Referring to Figures 1 to 3, it can be seen that the structure of the present invention mainly includes: a first stabilizer 2 and a second stabilizer 3, and each stabilizer 2, 3 has a first through hole 21 and a second through hole 31 respectively. The structure of the present invention is a rod body 1 that is combined in a surgical bone drill. One end of the rod body 1 is provided with a drill bit 11, and the rod body 1 passes through the first through hole 21 and the second through hole 31 respectively, connecting the first stabilizer 2 and The second stabilizer 3 is fixed on the rod body 1 ; wherein the first stabilizer 2 is adjacent to the drill bit 11 , and the second stabilizer 3 is adjacent to the first stabilizer 2 .

It should be noted that there are many types of drill bits 11, which have different structures according to different surgical purposes. In this embodiment, in order to facilitate the explanation of the structural relationship between the drill bit 11, the rod body 1, and the first stabilizer 2 , represented by a ball-shaped drill, however, the drill bit 11 in this case is not limited to a ball-shaped drill bit. All surgical drill bits used in surgery should be protected within the scope of the patent in this case.

In order to further illustrate the positional relationship between the first stabilizer 2 and the drill bit 11, in a preferred embodiment, when the length of the drill bit 11 is defined as Between 1.5X; and, in a preferred embodiment, the first stabilizer 2 faces one end 11 of the drill bit, and the distance between the first stabilizer and the drill bit is between 0.5cm~2cm.

When the above-mentioned surgical bone drill (that is, the rod body 1 is provided with the first stabilizer 2 and the second stabilizer 3) is used, it should be noted that when the rod body 1 is inserted into the casing 4, the first stabilizer 2 faces the drill bit One end of 11 is defined outside the casing 4; in a preferred embodiment, as shown in Figure 3, the rod body 1 is inserted into the channel 41 of the casing 4, and the drill bit 11 and part of the front end of the rod body 1 are exposed from the casing 4 ; It should be noted that when the rod body 1 rotates, the first stabilizer 2 and the second stabilizer 3 will also rotate with the rod body 1. When the rotating drill bit 11 contacts hard objects such as bones, the first stabilizer 2 and the second stabilizer 3 can reduce the shaking of the rod body 1 in the casing 4, increase the stability of the rod body 1 when used, and prevent the drill bit 11 from deflecting, sliding, etc. due to the shaking of the rod body 1; at the same time, the drill bit 11 Debris will be generated during drilling and grinding, and because the position of the first stabilizer 2 is between the opening of the casing 4, it can prevent the debris from entering the channel 41 of the casing 4, avoid equipment damage, and reduce the cost of equipment. Cleaning and sterilization time after use.

Please refer to Figure 4. Compared with the aforementioned embodiments of Figures 1 to 3, the characteristic of this embodiment is that one or more grooves 22, 32 are provided on the surface of the first stabilizer 2 or the second stabilizer 3. The grooves 22 and 32 can reduce the friction force when the first stabilizer 2 or the second stabilizer 3 contacts the aforementioned sleeve 4 (as shown in Figure 3).

Please refer to Figures 5 and 6. Compared with the aforementioned embodiments of Figures 1 to 4, the characteristic of this embodiment is that a drill bit 11 is provided at one end of the rod body 1, and a connecting section 12 is provided adjacent to the drill bit 11. The connecting section 12 connects the rod The body 1 is divided into a first section 13 and a second section 14 , and the first section 13 is between the drill bit 11 and the connecting section 12 .

The rod body 1 passes through the first through hole 21 and the second through hole 31 respectively, and the first stabilizer 2 and the second stabilizer 3 are fixed to the rod body 1, wherein the first stabilizer 2 is sleeved in the first section 13 and is between the drill bit 11 and the connecting section 12, and the second stabilizer 3 is sleeved on the second section 14, then the first stabilizer 2 and the second stabilizer 3 are respectively located on both sides of the connecting section 12.

Based on the above, the stabilizer of the surgical bone drill bit of the present invention is actually a novel and progressive invention, and it is suitable to apply for an invention patent in accordance with the law; however, the content of the above description is only an illustration of the preferred embodiment of the present invention. All changes, modifications, alterations or equivalent substitutions based on the technical means and scope of the present invention shall also fall within the scope of the patent application of the present invention.

1: rod body

11:Drill bit

2: The first stabilizer

3: Second stabilizer

Claims (8)

A stabilizer for a surgical bone drill bit, which is connected to a rod body. One end of the rod body is provided with a drill bit, and the rod body is inserted into a preset casing. The stabilizer includes: a first stabilizer, There is a first through hole for being sleeved on one end of the rod body and adjacent to the drill bit, and the end of the first stabilizer facing the drill bit is 0.1cm~0.5cm defined outside the casing; and, a second The stabilizer has a second through hole for being sleeved on one end of the rod body and adjacent to the first stabilizer. The stabilizer for a surgical bone drill bit as described in claim 1, wherein the length of the drill bit is X, and the distance between the first stabilizer and the drill bit is between 0.5X and 1.5X. The stabilizer for a surgical bone drill bit as described in claim 1, wherein the distance between the first stabilizer and the drill bit is between 0.5cm and 2cm. The stabilizer for a surgical bone drill as claimed in claim 1, wherein the first stabilizer or the second stabilizer is provided with a plurality of grooves on its surface. A stabilizer for a surgical bone drill bit, which is connected to a rod body. The rod body is inserted into a preset casing. A drill bit is provided at one end of the rod body, and a connecting section is provided adjacent to the drill bit. The connection section The section divides the rod body into a first section and a second section. The first section is between the drill bit and the connecting section. The stabilizer includes: a first stabilizer with a first A through hole is provided for being sleeved in the first section, and one end of the first stabilizer facing the drill bit is 0.1cm~0.5cm defined outside the casing; and, a second stabilizer has a second through hole holes for being sleeved on the second section, and the first stabilizer and the second stabilizer are respectively located on both sides of the connecting section. The stabilizer of the surgical bone drill bit described in claim 5, wherein the length of the drill bit is X, and the distance between the first stabilizer and the drill bit is between 0.5X and 1.5X. The stabilizer for a surgical bone drill bit as described in claim 5, wherein the distance between the first stabilizer and the drill bit is between 0.5cm and 2cm. The stabilizer for a surgical bone drill as claimed in claim 5, wherein the surface of the first stabilizer or the second stabilizer is provided with a plurality of grooves.