Abrasive drill for robot-assisted cervical intervertebral disc replacement surgery system

A robot-assisted, cervical intervertebral disc technology, which is applied in the field of grinding and drilling, can solve the problems of not using a cervical intervertebral disc replacement surgical system for grinding and drilling, and achieves the effects of compact structure, good grinding effect and high grinding precision

Inactive Publication Date: 2017-12-22
CHANGSHA ZHANSHUO XUANXING INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing grinding drill used in artificial cervical disc replacement surgery is a high-speed disc-shaped milling cutter, and the doctor uses the positioning frame to complete the grinding. The grinding drill has great limitations when it is applied to the robot-assisted cervical disc surgery system. There is no dedicated burr for robotic-assisted cervical disc replacement surgery systems

Method used

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  • Abrasive drill for robot-assisted cervical intervertebral disc replacement surgery system
  • Abrasive drill for robot-assisted cervical intervertebral disc replacement surgery system
  • Abrasive drill for robot-assisted cervical intervertebral disc replacement surgery system

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Experimental program
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specific Embodiment approach 1

[0012] Specific implementation mode one: as Figure 1~2 As shown, the burr used in the robot-assisted cervical disc replacement surgery system of this embodiment includes a high-speed DC motor 1, a motor holder 2, a burr drive shaft 3 and a grinding head 5, and the motor holder 2 includes a connecting platform 2 -1, fixed ring 2-2, shaft coupling 2-3, housing 2-5 and end cover 2-6, one end of the fixed ring 2-2 passes through the output shaft of the high-speed DC motor 1 and is fixed On the end face of the output shaft end of the high-speed DC motor 1, the other end of the fixed ring 2-2 is fixed on the end face of the housing 2-5, and one end of the milling drive shaft 3 is mounted on the housing 2 through a bearing. -5, one end of the drill drive shaft 3 is affixed to the output shaft of the high-speed DC motor 1 through a coupling 2-3, and the grinding head 5 is fixed on the other end of the drill drive shaft 3, so A first central through hole 2-6-1 is processed in the axi...

specific Embodiment approach 2

[0013] Embodiment 2: The shaft coupling 2-3 in this embodiment is a diaphragm type high torque coupling. This design ensures the high efficiency of power transmission, eliminates the problem of axial eccentricity, and facilitates card installation. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0014] Specific implementation mode three: as image 3 As shown, the grinding end of the grinding head 5 is a cylindrical grinding head 5-1. With such a design, it can be used to grind the planes of the rostral and caudal endplates of the cervical spine. Other compositions and connections are the same as those in the first or second embodiment.

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Abstract

The invention provides an abrasive drill for a robot-assisted cervical intervertebral disc replacement surgery system, relates to the abrasive drill, and aims to solve the problem that at present, no special abrasive drill for the robot-assisted cervical intervertebral disc replacement surgery system exists. One end of a fixing circular ring penetrates through an output shaft of a high-speed DC motor and is fixedly mounted on the end surface of the output shaft end of the high-speed DC motor; the other end of the fixing circular ring is fixedly mounted on one end surface of a shell; one end of an abrasive drill transmission shaft is mounted inside the shell through a bearing; one end of the abrasive drill transmission shaft is fixedly connected with the output shaft of the high-speed DC motor through a shaft coupler; an abrasive head is fixedly mounted at the other end of the abrasive drill transmission shaft; a first central through hole is axially formed in an end cover; the end cover penetrates through the abrasive drill transmission shaft and is fixedly mounted on the other end surface of the shell; a second central through hole is axially formed in a connecting platform; the connecting platform penetrates through the high-speed DC motor and is fixedly connected with the fixing circular ring. The abrasive drill is applied to the for the robot-assisted cervical intervertebral disc replacement surgery system.

Description

technical field [0001] The invention relates to a burr, in particular to a burr used in a robot-assisted cervical intervertebral disc replacement operation system. Background technique [0002] Compared with conventional anterior cervical decompression and fusion surgery, artificial cervical disc replacement has obvious advantages in the treatment of cervical spondylosis, but artificial cervical disc replacement is not widely carried out, mainly because of its complicated operation and difficult operation. It is difficult for most doctors to master, and the accuracy of the operation is not high, which affects the effect of the operation, and there are many surgical complications. The biggest difficulty in artificial cervical disc replacement surgery is the need to grind the bone mating surface that fits the prosthesis at the correct position to ensure the fit between the prosthesis and the human bone. The therapeutic effect depends heavily on the accuracy of the surgery. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/16A61B34/30A61F2/46
CPCA61B17/16A61B17/1628A61B17/1671A61B34/30A61B34/70A61B2017/1602A61F2/46
Inventor 不公告发明人
Owner CHANGSHA ZHANSHUO XUANXING INFORMATION TECH CO LTD
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