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A three-dimensional positioning device

A technology of three-dimensional positioning and light-emitting tubes, which is applied in medical science, bone drill guidance, surgery, etc., can solve the problems of high professional skill requirements for doctors, and achieve the effect of avoiding paraxial focus errors, facilitating adjustment or replacement, and avoiding errors

Active Publication Date: 2011-12-21
孙劲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the physiological characteristics of the human body, the doctor needs to rotate the electric drill at a certain angle or offset it at a certain angle or make the axis of the drill bit have an inclination angle with the horizontal plane when performing surgery. The current rotation angle and declination angle are all determined by the doctor. Judgment and mastery based on experience, which requires higher professional skills of doctors, and even with rich experience, large errors will inevitably occur

Method used

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  • A three-dimensional positioning device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] like figure 1 , figure 2 As shown, a three-dimensional positioning device, the ring level 3 is filled with liquid, and a bubble 2 is left, the outer surface of the ring level 3 is a transparent arc surface, and a marking line 5 is provided on the transparent arc surface. The marking line 5 corresponds to the angle of rotation and the inclination of the axis, such as image 3 As shown in , in addition to the circular marking line corresponding to the inclination angle, the marking line 5 is also provided with marking lines uniformly distributed on the circumference, corresponding to the rotation angle. When in use, the ring level 3 is installed on the hand drill 1. Since the axis of the ring level 3 coincides with the axis of the drill bit 6, the doctor can determine the horizontal plane according to the position of the bubble 2, and control the rotation angle of the hand drill and the inclination angle of the drill bit 6 axis. For example, operate at an inclination o...

Embodiment 2

[0022] like figure 1 , figure 2 As shown, on the basis of Embodiment 1, a rotatable focus ring 7 is provided on one side of the ring level 3 , and a luminescent tube 4 is provided on the focus ring 7 . A further optimized solution is to use two to four light-emitting tubes 4 , which are arranged at a distance of 90° on the end face of the focus ring 7 . The light emitted by the luminous tube 4 is used to indicate the working position of the drill bit 6 . Each luminescent tube on the focus ring 7 has a scale mark, and the rotation of the focus ring 7 can make the scale mark correspond to the position of the bubble 2 in the ring level 3 .

Embodiment 3

[0024] On the basis of embodiment 2, the light emitted by the luminous tubes 4 is a straight line on the projection surface, that is, the luminous tubes in which the emitted light hits the target in a straight line, and the light rays emitted by adjacent luminous tubes 4 are aligned with each other. vertical cross. The point where the light intersects like this is exactly the working position of the drill bit 6, and it can also indicate whether the axis of the drill bit is bent, that is, whether the installation of the drill bit is on the axis of the rotary tool, whether the front end of the drill bit falls on the point where the light intersects, and because part of the light will be It falls on the shaft of the drill, so it is also good for indicating whether the drill has bending or misalignment defects. The drill bits also include special steel needles, such as Kirschner wires, in addition to common drill bits. One solution is to make the axis of the light emitting tube 4...

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Abstract

The invention discloses a three-dimensional positioning device. Liquid is filled and a bubble is reserved in an annular leveling instrument; the outer surface of the annular leveling instrument is a transparent arc-shaped surface; a marking line is arranged on the transparent arc-shaped surface and corresponds to angles of rotation and inclination angles of an axial line; a rotatable focusing ring is arranged on one side of the annular leveling instrument; and an illumination pipe is arranged on the focusing ring. In the three-dimensional positioning device provided by the invention, the angles of rotation and the inclination angles of the axial line can be clearly understood by a user in combination with the marking line on the transparent arc-shaped surface of the annular leveling instrument and scales on the focusing ring through the position of the bubble in the annular leveling instrument; a position corresponding to a drill bit can be definitely indicated through the set rotatable focusing ring; and the illumination pipe with emission line-shaped light rays is utilized and is arranged according to the distance of 90 DEG, so that the light rays emitted by the illumination pipe can be intersected at the position of the axial line of the drill bit. By the device, three-dimensional positioning can be effectively provided for doctors, and the accuracy of surgery operation is effectively improved, so that the safety is improved.

Description

technical field [0001] The invention relates to an auxiliary positioning device, in particular to a three-dimensional positioning device. Background technique [0002] In the existing orthopedic surgery, the operation of bone puncture is often performed, and a hand electric drill is usually used. According to the physiological characteristics of the human body, the doctor needs to rotate the electric drill at a certain angle or offset it at a certain angle or make the axis of the drill bit have an inclination angle with the horizontal plane when performing surgery. The current rotation angle and declination angle are all determined by the doctor. Judging and mastering based on experience requires a high level of professional skills for doctors, and even with rich experience, large errors will inevitably occur. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a three-dimensional positioning device, which can assis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00A61B17/17A61B90/00
Inventor 孙劲李莉贾真王群张莉薇
Owner 孙劲