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Manufacturing method of 3D printing non-coplanar puncture template with drainage mechanism

A technology for puncture templates and manufacturing methods, which is applied in puncture needles, radiation therapy, X-ray/γ-ray/particle irradiation therapy, etc., and can solve the problem of inaccurate implementation of needle track plans, inability to reasonably avoid occlusion/blocking, template occlusion, etc. question

Active Publication Date: 2020-10-02
锐德泰医疗科技(成都)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the following disadvantages of the coplanar puncture template made in the prior art due to the parallel coplanar setting of the template needle tracks: First, there is template occlusion, which makes it impossible to detect the situation during the puncture process in time, which may cause termination of implantation or crisis The problem of the life of the patient during the operation; second, the occlusion / blocking of the bone area or the important crisis organ area cannot be reasonably avoided, resulting in the problem that the preset needle path plan cannot be accurately executed

Method used

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  • Manufacturing method of 3D printing non-coplanar puncture template with drainage mechanism
  • Manufacturing method of 3D printing non-coplanar puncture template with drainage mechanism

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Embodiment 1

[0040] combine figure 1 and 2 The non-coplanar puncture template shown is obtained through the manufacturing method provided in this embodiment. In this embodiment, based on 50-slice tomographic scanning, the establishment and manufacture of a non-coplanar puncture template for the target region of interest is taken as an example to elaborate on the method of the present invention: a method for manufacturing a non-coplanar puncture template with a 3D printing belt drainage mechanism, Including multiple CT image files obtained by CT tomography containing the epidermal tissue of the target areaP n (n=1, 2, 3...50), also includes the following steps:

[0041] Step ST100 Obtain a tomographic model: multiple image files P to be obtained n Connect the azimuth CT extrema points by matching {W n ,E n , S n} put two adjacent image files P n and P n+1 Superimpose and obtain a complete 3D model ∑P with the epidermal tissue of the target area n ;

[0042] Among them, the extreme...

Embodiment 2

[0057] This embodiment is further optimized on the basis of Embodiment 1, the azimuth CT extreme point {W n ,E n , S n} is any CT image file P n Any surface CT value of any surface is the highest and distributed in the extreme left, extreme right and extreme bottom three points respectively, any CT image file P n Azimuth extremum point of one side surface {W n ,E n , S n} with the adjacent CT image file P n-1 The azimuth extremum point of the adjacent surface {W n-1 ,E n-1 , S n-1} connection is implemented as follows:

[0058] If {W n-1 ,E n-1 , S n-1} with {W n ,E n , S n} can match three pairs correspondingly, then match the image file P n+2 Until the 3D model ΣP is completed n ;

[0059] If {W n-1 ,E n-1 , S n-1} with {W n ,E n , S n} can match one pair or two pairs, then the matching connection △W n E. n S n and ΔW n- 1 E. n-1 S n-1 Corresponding to the intersection of two side midlines, until the 3D model ΣP is completed n .

[0060] In t...

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Abstract

The invention discloses a manufacturing method of a 3D printing non-coplanar puncture template with a drainage mechanism; the manufacturing method comprises the following steps: obtaining a pluralityof CT image files Pn (n = 1, 2, 3... N) containing epidermal tissues of a target area through CT tomography, and further comprises the following steps: step ST100, obtaining a tomography model; step ST200, obtaining an epidermal tissue model; step ST300, removing noise of the epidermal tissue model; step ST400, importing a needle passage plan making template needle passage comprising a plurality of needle passages Cn; step ST500, making a drainage mechanism; step ST600, performing 3D printing of a puncture template; and step ST700, enabling a printing support to be removed, carrying out surface polishing treatment, and finally obtaining the puncture template. The template needle passage at any angle can be obtained through 3D printing, a wider and free layout space is provided for manufacturing of a needle passage plan, and the optimal needle passage plan can be manufactured according to actual conditions to be implemented.

Description

technical field [0001] The invention relates to the field of CT non-coplanar puncture templates for medical surgery, in particular to the field of non-coplanar puncture templates with drainage mechanisms, and in particular to a method for manufacturing 3D printed non-coplanar puncture templates with drainage mechanisms. Background technique [0002] Among the existing tumor treatment methods, puncture implantation of radioactive particles for local radiotherapy is one of the main tumor treatment methods; however, the implantation of radioactive particles needs to be punctured with a puncture needle to be effectively implanted, but freehand puncture cannot guarantee The precision of radioactive seed implantation is critical, so a puncture template is required for guidance and restraint. The puncture template is a surgical auxiliary device that uses radioactive particles to be implanted into the tumor body to radiate the tumor body to achieve the purpose of treatment. Implant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/34A61M36/04
CPCA61B17/3403A61B17/3468A61B2017/3405A61N5/1007A61N2005/1012A61N2005/1024
Inventor 王俊杰王若雨首峰曲飞寰孙海涛姜玉良吉喆王喆杨亮何璇石广越
Owner 锐德泰医疗科技(成都)有限公司