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Manual bone drill

A bone drill and manual technology, applied in the field of medical surgical tools, can solve the problems of easy operation errors, difficult disinfection of electric bone drills, and inconvenience and quickness of use.

Inactive Publication Date: 2016-05-04
吴大强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, in clinical operations, there are three types of bone drills used: electric bone drill, hand-operated bone drill and hand-cone drill. The electric bone drill is composed of a shell, a motor, a transmission device and a drill chuck. Located in the housing, the motor is fixedly connected to the drill chuck through the output shaft of the transmission device. Its disadvantages are: the electric bone drill is not easy to be sterilized, expensive, difficult to control, and easy to operate incorrectly; Requires manual bone drill
At present, the transmission ratio of the driving gear and the driven gear of the common manual bone drill cannot be changed, and the rotation speed of the drill can only be changed by changing the speed of the hand, which is not convenient and quick to use.

Method used

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  • Manual bone drill

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Embodiment Construction

[0012] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0013] Such as figure 1 As shown, a manual bone drill includes a handle 10, a pair of positioning bodies 11 are arranged on the handle 10, a positioning column 3 is arranged between the pair of positioning bodies 11, and a shaft 8 is arranged between the positioning bodies 11, The shaft 8 passes through the positioning body 11 and the positioning column 3, and the end of the shaft 8 is provided with a drill chuck 7; the driving bevel gear 5 is provided on the positioning column 3, and the There is a driven bevel gear, and when the driving bevel gear 5 rotates, it drives the driven bevel gear to ro...

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Abstract

The invention relates to a manual bone drill. The manual bone drill comprises a handle, wherein a pair of positioning bodies is arranged on the handle, a positioning column and a shaft are arranged between the positioning bodies, the shaft penetrates the positioning bodies and the positioning column, a drill chuck is arranged at one end of the shaft, a driving bevel gear is arranged on the positioning column, and driven bevel gears are arranged on the shaft and comprise a driven bevel gear A and a driven bevel gear B which have different quantities of teeth; lock screws are arranged on the driven bevel gear A and the driven bevel gear B. According to the manual bone drill, the driven bevel gear A and the driven bevel gear B are arranged on the shaft and fixed with the shaft through the lock screws, the driven bevel gear A or the driven bevel gear B can be selected conveniently according to requirements, and the rotating speed of the shaft is regulated when the rotating speeds of the bevel gears are equal.

Description

technical field [0001] The invention relates to the field of medical operation tools, in particular to a manual bone drill. Background technique [0002] In medical operation, bone drill is a kind of common medical instrument, is used for drilling hole on the part to be operated such as skull, so that operation etc. are carried out. At present, in clinical operations, there are three types of bone drills used: electric bone drill, hand-operated bone drill and hand-cone drill. The electric bone drill is composed of a shell, a motor, a transmission device and a drill chuck. Located in the housing, the motor is fixedly connected to the drill chuck through the output shaft of the transmission device. Its disadvantages are: the electric bone drill is not easy to be sterilized, expensive, difficult to control, and easy to operate incorrectly; A manual bone drill is required. At present, the transmission ratio of the driving gear and the driven gear of the common manual bone dril...

Claims

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Application Information

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IPC IPC(8): A61B17/16
CPCA61B17/16
Inventor 吴大强
Owner 吴大强
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