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Method and device for controlling reserved hole depth of drill bit based on control surface

A technology of depth control and surface control, applied in medical science, dental prosthetics, dental implants, etc., can solve the problems of destroying the alveolar bone nerve, estimating the drilling depth, and replanting dental implants.

Pending Publication Date: 2022-07-15
LANCET ROBOTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether it is an inexperienced dentist or a skilled dentist, it is difficult to accurately estimate the drilling depth and control the operation direction of the traditional hand-held dental machine
[0005] When there is a problem with the operation direction, various unpredictable situations may occur, which may lead to the subsequent need for re-implantation of the implant. The re-implantation will cause the patient to experience the inconvenience of the dental bone growth process for several months, or The occlusal relationship with the contralateral teeth does not match, which affects the user experience after surgery
When the depth of the prepared hole exceeds the target depth, it will seriously damage the alveolar bone nerve, and when the drilling is stopped before reaching the target depth, it will also cause trouble for the subsequent implant fixation

Method used

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  • Method and device for controlling reserved hole depth of drill bit based on control surface
  • Method and device for controlling reserved hole depth of drill bit based on control surface
  • Method and device for controlling reserved hole depth of drill bit based on control surface

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Embodiment Construction

[0037] Hereinafter, exemplary embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments of the present invention, and it should be understood that the present invention is not limited by the example embodiments described herein.

[0038] It should be noted that the relative arrangement of components and steps, the numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise.

[0039] Those skilled in the art can understand that terms such as “first”, “second”, and “S1” to “S3” in the embodiments of the present invention are only used to distinguish different steps, devices, or modules, and do not represent any specific technology. meaning, nor does it imply a necessary logical order between them. For exa...

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Abstract

The invention discloses a reserved hole depth control method and device of a drill bit based on a control plane. The method comprises the steps that a linear punching mode of a mechanical arm is started; determining a control surface based on the dentale information and the determined three feature points; establishing an image coordinate system, wherein the image coordinate system is used for positioning an object displayed on the display device; and monitoring the prepared hole depth based on the control surface, the real-time tip coordinate of a drill bit arranged on the dental implant device under the image coordinate system and the target position of the root node of the implant under the image coordinate system. According to the method, the drilling force and perpendicularity are guaranteed in the dental implant hole preparation process, and the drilling depth is safely protected.

Description

technical field [0001] The invention relates to the field of medical control, in particular to a control surface-based drill bit drilling depth control method and device. Background technique [0002] Artificial dental implant, also known as implant denture, is a bionic tooth made of biological materials. . According to the changes of the alveolar bone and jawbone after the patient loses teeth, the doctor selects a certain shape of implant to be implanted in the jawbone as the artificial tooth root, and then installs the crown on the implant post exposed in the mouth to obtain a similar natural tooth. shape and function. That is, a hole is made in the bone first, and then the implant is placed and sutured. After the implant is grown, remove the suture again, this time install the crown, and after the suture is grown again, remove the suture and fix the tooth. [0003] The navigation device in the existing dental implant surgery navigation system is generally based on the...

Claims

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Application Information

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IPC IPC(8): A61C8/00
CPCA61C8/0089
Inventor 黄志俊刘金勇钱坤蒋沛阳赵文娟
Owner LANCET ROBOTICS CO LTD
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