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A kind of manufacturing method of gynecological tumor postoperative auxiliary device

An auxiliary device and technology for gynecological tumors, applied in radiation therapy, X-ray/γ-ray/particle irradiation therapy, treatment, etc., can solve the problem of difficulty in grasping the distance from the implanted needle to the tumor, the effect of radioactive sources on the quality and effect, and the position of the implanted needle Difficult to grasp and other problems, to achieve the effect of reducing puncture technique and positioning level, eliminating dose hot spots, and avoiding injury to other organs

Active Publication Date: 2021-03-23
王世广
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Problems solved by technology

[0005] In the process of the existing gynecological tumor post-installation surgery, it is difficult to grasp the position of the implantation needle, the distance from the implantation needle to the tumor, and the dosimetric distribution of the radioactive source after the implantation needle cannot meet the prescription requirements, which affects the quality and effect, etc. Problem, the present invention provides a method for making an auxiliary device for gynecological tumors

Method used

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  • A kind of manufacturing method of gynecological tumor postoperative auxiliary device

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Embodiment 1

[0022] In the following, the present invention will be further described in detail through an actual surgical treatment process.

[0023] A method for manufacturing an after-installation surgery auxiliary device for gynecological tumors, comprising the following steps:

[0024] a. Preoperative positioning. The patient is in the bladder lithotomy position. Ensure that the patient’s position during the preoperative positioning is consistent with that during the operation. The vaginal model is inserted into the vagina. The fixed plate 1 of the vaginal model fits the patient’s body surface, and the fixed column 2 is inserted. In the vagina, mark points are pasted on the skin of the tumor area, and a CT scan is performed. The CT scan image is transmitted to the radiotherapy planning system, and the tumor treatment target area, critical organs and blood vessels are delineated according to the requirements. The tumor treatment target area includes the tumor and potential subclinical ...

Embodiment 2

[0033] The following is a further detailed introduction to the usage method of the gynecological tumor post-installation surgery assisting device produced in Embodiment 1 of the present invention through one operation treatment process of a patient (about 3-5 treatments for a patient is a course of treatment).

[0034] According to the specific situation of the patient, the method of Example 1 is used to design a gynecological tumor after-installation surgery auxiliary device that meets the patient's needs. The model of the obtained gynecological tumor after-installation surgery auxiliary device is as follows: figure 1 As shown, make the patient’s position consistent with that before the operation, insert the fixing column 2 of the auxiliary device for gynecological tumor surgery into the vagina for fixation, and confirm the position of the auxiliary device according to the coincidence degree of the marking points on the body surface and the fixing plate 1, and confirm the posit...

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Abstract

The invention relates to the technical field of medical equipment making, and particularly discloses a making method of a gynecological tumor afterloading operation assisting device. The making methodincludes following steps: a, performing radioactive source reverse dosage calculation in a radiotherapy plan system according to an anatomical position data analog interpolation needle passage of a tumor treatment target area to acquire residence time and position data of a radioactive source; b, adjusting position and direction of the analog interpolation needle passage according to the residence position data of the radioactive source, and arranging the acquired analog interpolation needle passage onto a vaginal model to obtain the device. The device is obtained by adopting three-dimensional reconstruction and reverse dosage calculation technology on the basis of anatomical structure, so that operation risk is lowered, and patients' suffering is relieved; needle passage design based ondosimetry analog ensures interpolation precision of an interpolation needle, excellent dosage distribution can be acquired, and comparatively g good clinical effect can be realized.

Description

technical field [0001] The invention relates to the technical field of manufacturing medical equipment, in particular to a method for manufacturing an auxiliary device for post-installation surgery of gynecological tumors. Background technique [0002] In radiotherapy for gynecological tumors, retrofit surgery is an extremely critical link, directly related to the curative effect on patients. [0003] The steps of post-loading surgery are as follows: 1. The doctor roughly estimates the location of the tumor based on the tumor image and triad diagnosis. The patient is in the bladder lithotomy position, and the doctor performs the intraoperative implantation of the implant needle by hand according to the tumor image and the approximate location of the tumor. ;2. The patient undergoes a CT scan and the image is transmitted to the radiotherapy planning system, and the radiotherapy physicist calculates the radiation dose according to the position of the implant needle and the tum...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M36/10
CPCA61N5/1007A61N5/1016A61N5/1031A61N5/1039A61N2005/1009A61N2005/1012
Inventor 王世广樊晓妹苗明昌牛惠娴李伟仟
Owner 王世广
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