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surgical hand drill

一种手钻、外科的技术，应用在牙科钻孔、牙科、医药科学等方向，能够解决钻头主体分离、不适合牙齿牙龈等问题

Inactive Publication Date: 2021-01-15
KOREA ORAL IMPLANT RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] However, when using a drill that is rotated by an electric motor in a hand drill, there is a possibility that the drill will separate from the main body when it is rotated in the opposite direction
[0017] In addition, since there is a fine space between the screw-bonded hand drill body and the drill bit, it is not suitable for the treatment of delicate teeth and gums of the human body.

Method used

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Embodiment Construction

[0041] The following description will Figure 8 as the best embodiment of the present invention.

[0042] The circular hollow plate has concave parts 136 and 136' and convex parts 134 and 134'.

[0043] This constitutes planes corresponding to each other so that at the center portion of the circular drill bit 200 inserted into the hollow plate Figure 4 The fourth seating surfaces 235, 235' are inserted into the third seating surfaces 135, 135'.

[0044] The two convex portions 134, 134' of the hollow plate in which the concavities and convexities are formed are inserted into the fourth seating surfaces 235, 235' which are two flat surfaces of the circular drill.

[0045] With this structure, the circular drill bit 200 is not separated from the hand drill 100 even when the hand drill is rotated in the opposite and forward directions.

[0046] The present invention, which has been used to solve the above-mentioned problems, will be described with reference to the accompanyin...

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Abstract

The present invention provides a surgical hand drill, which is characterized in that a circular drill constitutes a concave portion and a convex portion and is used to be inserted into the hollow plate; The structure of the hollow plate is such that the circular drill constitutes a plane corresponding to the concave portion and the convex portion of the hollow plate, so that the convex portion of the hollow plate formed with the concave portion and the convex portion is inserted on the plane of the round drill, so that the round drill will not separate from the hand drill even during reverse rotation and forward rotation.

Description

technical field [0001] The present invention relates to a surgical hand drill, and more particularly, to a surgical hand drill that adds a securing device to connect a drill bit used in a power drill device to an improved drill bit used in a manual handle. Background technique [0002] In the field of modern dentistry, research on how to restore the function of missing teeth due to various reasons is still ongoing. Clinical trials have been actively conducted. Of these, the most common method is a brass-machined denture that restores the function of a lost tooth by using the surrounding teeth. [0003] Alternatively, some (partial) teeth that use both the surrounding teeth and the alveolar bone (jawbone) to restore the function of the teeth can be used as dentures, or all the teeth can be used as dentures (often called partial dentures or full dentures) to replace missing ones the teeth of. [0004] However, the above-mentioned brass dentures have the disadvantage that th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61C3/04A61C3/02A61C1/08A61C8/00
CPCA61C3/02A61C1/08A61C1/04A61C8/0089
Inventor 金煐载
Owner KOREA ORAL IMPLANT RES INST
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