Craniotomy dura mater suspension drilling protection device

A protective device and dura mater technology, applied in the direction of surgery, operating table, bone drill guidance, etc., can solve the problems of difficult to determine the drilling exit, insufficient stability, etc., to ensure stability, facilitate continuous drilling, improve drilling Effect of hole efficiency and accuracy

Inactive Publication Date: 2022-07-12
THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a dura mater suspension drilling protection device for craniotomy to solve the problem that the existing drilling equipment is not stable enough and the exit of the drilling is difficult to determine

Method used

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  • Craniotomy dura mater suspension drilling protection device
  • Craniotomy dura mater suspension drilling protection device
  • Craniotomy dura mater suspension drilling protection device

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Embodiment Construction

[0029] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Depend on Figure 1 to Figure 14 Given, including the horizontal axis 1, the left and right sides of the horizontal axis 1 are respectively provided with support frames 2 with the same structure, and the support frame 2 can move or rotate along the axis of the horizontal axis 1 to adjust the position and angle of the support frame 2, support The frame 2 is hinged with a support plate 4 through a connecting seat 3, and a ring-shaped outer casing 5 with an upward opening is arranged between the two supporting frames 2. The inner diameter of the outer casing 5 is larger than the diameter of the head of the human body. The left supporting plate 4 and the outer casing 5 Fixed connection, the support plate 4 on the right side is slidably connected with the shell 5, the support plate 4 supports the shell 5, and adjusts the position o...

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Abstract

The invention provides a craniotomy dura mater suspension drilling protection device which solves the problems that existing drilling equipment is insufficient in stability, and a drilling outlet is difficult to determine. Comprising a transverse shaft, supporting frames are arranged on the left side and the right side of the transverse shaft respectively, supporting plates are hinged to the supporting frames through connecting bases, and a shell is arranged between the two supporting frames; an adjusting disc is rotationally connected into the shell, plane threads are arranged on the adjusting disc, a cover plate is rotationally connected to the shell, a guide groove is formed in the cover plate, and drilling supports are arranged on the left side and the right side of the adjusting disc respectively. The drilling support comprises a base body, a support body, a guide frame and a telescopic rod. The base body comprises a cylinder and a baffle, and a conical protruding head is arranged on the baffle. An avoiding groove is formed in the frame body; drill bushings are arranged at the lower ends of the guide frames; and the guide frame and the cylinder as well as the connecting seat and the support frame are respectively connected through displacement adjusting mechanisms with the same structure.

Description

technical field [0001] The invention relates to the technical field of drilling auxiliary equipment for craniotomy, in particular to a dura mater suspension drilling protection device for craniotomy. Background technique [0002] There are three layers of membranes between the skull and the brain, from the outside to the inside are the dura mater, the arachnoid and the pia mater; the pia mater is a layer of transparent film that is close to the surface of the brain and extends into the sulcus. During the craniotomy, the arachnoid is a Layer of translucent membrane, located deep in the dura mater, there is a potential space between the subdural space, the dura mater, is a thick and tough double membrane, the outer layer is the periosteum of the inner surface of the skull, only loosely attached to the skull The inner layer of the cover dura mater is thicker and tougher than the outer layer, and is continuous with the dura mater at the foramen magnum, called the meninges layer....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/16A61B17/17A61G13/10A61G13/12
CPCA61B17/1695A61B17/1739A61G13/10A61G13/121
Inventor 王栋良
Owner THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
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