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Gynecological intracavity radiation therapy protection device and radiation therapy protection method

A protective device and internal radiation technology, applied in X-ray/γ-ray/particle irradiation therapy, neural learning method, image data processing, etc., can solve the problems of tissue and organ radiation damage, patient discomfort, low efficiency, etc., to reduce damage , improve efficiency and improve accuracy

Pending Publication Date: 2022-04-12
新疆医科大学第三附属医院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, when performing intrauterine radiation therapy, because the gynecological intracavity radiation therapy protection device cannot realize intelligent adjustment, and the uterine area cannot be visualized during protection, doctors adjust the irradiation position of the radioactive source entirely based on experience, and the entire All the equipment is inserted into the vagina, which will not only bring discomfort to the patient, but also have low efficiency. It is not easy to determine the range of short-wave radiation irradiation, which often causes radiation damage to normal tissues and organs around the diseased tissue.

Method used

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  • Gynecological intracavity radiation therapy protection device and radiation therapy protection method
  • Gynecological intracavity radiation therapy protection device and radiation therapy protection method

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Embodiment 1

[0028] please inspect figure 1 , a protective device for gynecological intracavity radiation therapy, comprising a hub 3, a radiotherapy tube 4, a radiotherapy adjustment unit, a laser ranging unit, and an image acquisition unit, wherein the hub 3 is connected to the radiotherapy tube 4, and the radiotherapy tube 4 is used To go deep into the uterine cavity, perform radiotherapy on the inner wall of the uterine cavity. The radiotherapy adjustment unit and the laser ranging unit are arranged in the radiotherapy cylinder 4. The radiotherapy adjustment unit can be adjusted in the radiation therapy cylinder 4. One end of the radiation therapy cylinder 4 is connected to the image acquisition unit. .

[0029] The radiotherapy adjustment unit includes an operating handle 1, a telescopic rod 2, a spring 5, a photocell 6, a guide rod 8, a radiotherapy head 15, and a bearing 20. The radiotherapy adjustment unit is used to adjust the irradiation position and irradiation range of the radi...

Embodiment 2

[0038] Based on the protective device for gynecological intracavitary radiation therapy described in Example 1, the present invention also proposes a method for protecting gynecological intracavitary radiation therapy, using the Mask-RCNN network as a basis to train two network training models: conventional network training model and a grayscale network training model, wherein the conventional network training model is used to segment the uterine region in the image, and the grayscale network training model is used to segment the endometrial tumor region in the image;

[0039] Under the premise of multiple uterine cavity slice images obtained by means of ultrasound, the network model is trained with multiple uterine cavity slice images as the training set, and the calculation formula is as follows:

[0040]

[0041] In the formula, ak(x) represents the activation value of the feature channel category number k at the pixel position x, and pk(x) is the approximate maximum func...

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Abstract

The invention relates to a gynecological intracavity radiation therapy protection device and a radiation therapy protection method.The radiation device comprises a line concentration cylinder, a radiotherapy cylinder, a radiotherapy adjusting unit, a laser ranging unit and an image obtaining unit.The gynecological intracavity radiation therapy protection device is characterized in that a radiotherapy head is placed in the radiotherapy cylinder; on the premise that the tail end PC obtains a three-dimensional uterine cavity ultrasonic image of a patient in advance, position data measured by the laser distance measuring unit are sent to the tail end PC for data comparison and analysis, the position of the radiotherapy head is adjusted through stretching / rotating of the radiotherapy adjusting unit according to the data comparison result, and in the process, the position of the radiotherapy head is adjusted through stretching / rotating of the radiotherapy adjusting unit. The image acquisition unit uploads acquired data to the terminal PC, and position reference is performed through the terminal PC, so that the position of the radiotherapy head is adjusted more quickly and accurately, the efficiency of uterine cavity radiotherapy is improved, and damage to normal mucosa around a tumor canceration part is reduced.

Description

technical field [0001] The invention relates to the technical field of gynecological medical equipment, in particular to a gynecological intracavity radiation therapy protection device and a radiation therapy protection method. Background technique [0002] Cervical cancer, endometrial cancer, and ovarian cancer are common gynecological malignancies with high morbidity and mortality, and the incidence rate in women worldwide is second only to breast cancer. Therefore, these gynecological malignancies are serious Harm women's physical and mental health. With the widespread development of cervical cancer screening and the improvement of cervical cancer treatment technology, its morbidity and mortality have been significantly reduced. Standard radiotherapy for cervical cancer includes external radiation therapy and intracavitary radiation therapy. External radiation therapy uses a linear accelerator The generated short-wave radiation (such as X-rays and γ-rays) accurately stri...

Claims

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Application Information

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IPC IPC(8): A61N5/10G06N3/04G06N3/08G06T7/11G06T7/70G06T7/521
Inventor 张洁佐合拉古丽·木塔力甫
Owner 新疆医科大学第三附属医院
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