Respiratory gating indication method used for radiotherapy and apparatus thereof

A technology of respiratory gating and radiation therapy, which is applied in the field of medical devices to reduce damage and necrosis, avoid unnecessary exposure, and improve positioning accuracy

Inactive Publication Date: 2012-06-27
HOSPITAL ATTACHED TO QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Respiratory gating indication method used for radiotherapy and apparatus thereof
  • Respiratory gating indication method used for radiotherapy and apparatus thereof
  • Respiratory gating indication method used for radiotherapy and apparatus thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0019] Example 1. A respiratory gating indication method for radiotherapy. It includes the following steps:

[0020] (1) a remote controller is set, and the remote controller includes a CPU microprocessor, a setting button connected with the CPU microprocessor and a plurality of control buttons, a liquid crystal display connected with the CPU microprocessor and an infrared remote control coding circuit and a transmitting device thereof ;

[0021] (2) An infrared receiving and decoding circuit is set, and the infrared receiving and decoding circuit receives the signals emitted by the infrared remote control encoding circuit and its transmitting device, and is connected with the second CPU microprocessor, and the second CPU microprocessor is connected with a The secondary LED indicator light is connected to the digital tube display;

[0022] (3) a third CPU microprocessor connected with the second CPU microprocessor with the data communication bus is set, and the third CPU mi...

Embodiment 2

[0027] Example 2. A respiratory gating indicating device for radiotherapy, such as figure 1 , figure 2 shown. Including: a remote controller 1, the remote controller 1 includes a CPU microprocessor 2, a setting button 3 connected with the CPU microprocessor 2 and a plurality of control buttons 4, a liquid crystal display 5 connected with the CPU microprocessor 2 and an infrared remote control Coding circuit 6 and transmitting device 7 thereof; An infrared receiving and decoding circuit 8, this infrared receiving and decoding circuit 8 is connected with the second CPU microprocessor 9, and this second CPU microprocessor 9 is connected with a pair of LED indicator lights 10 again Connect with nixie tube display 11; One and the 3rd CPU microprocessor 12 that second CPU microprocessor 9 is connected with data communication bus, this 3rd CPU microprocessor 12 communicates with main LED indicator lamp 14 and audio system by drive circuit 13 The device 15 is connected; and the po...

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Abstract

The invention, which belongs to the medical equipment technology field, relates to a respiratory gating indication method used for radiotherapy and an apparatus thereof. The method comprises the following steps that: a remote controller that includes a CPU microprocessor, an arrangement key, control keys, a liquid crystal display, an infrared remote controlled coding circuit and an emitting device of the circuit is arranged; an infrared reception and decoding circuit, a second CPU microprocessor, an auxiliary LED indicating lamp and a nixie tube display are arranged; an indicator comprising a third CPU microprocessor, a drive circuit, a main LED indicating lamp and a sounder is arranged; and a power source is arranged. According to the invention, clear light and sound indication can be provided for a patient; therefore, an influence of a respiratory movement can be effectively reduced; localization precision of thoracic-abdominal tumor radiation therapy target region can be substantially improved; unnecessary irradiation on a normal organ and a normal part can be effectively avoided; and occurrences of phenomena of damage and necrosis of normal cells can be avoided or reduced. Besides, the apparatus is cheap and can be applied conveneitnly. Moreover, the method and the apparatus can be widely applied to radiation therapy of several kinds of tumors like a thoracic tumor, an abdominal tumor, a lung tumor, a liver tumor, a renal tumor and a breast tumor and the like.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and more specifically relates to a design innovation of a respiratory gating indication method and a device for radiotherapy. Background technique [0002] During radiotherapy for tumors in the chest and abdomen, such as cancers in the lung, liver, kidney, and breast, it is difficult to accurately locate the radiation target area due to the influence of lung breathing movement. Therefore, it is inevitable to expand the irradiation to normal parts or normal organs, resulting in damage and necrosis of normal cells. [0003] In order to overcome the above-mentioned shortcoming, the traditional method is that the patient adopts breathing control technology to cooperate. Commonly used breathing control technologies include ABC (Active Breath Control) active and RPM (Real-Time Position Management Respiratory Gating System) real-time position management breathing synchronization tracking contro...

Claims

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Application Information

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IPC IPC(8): A61N5/00G08C23/04
Inventor 尚庆军姜鹏张玉良于壮于洪升李伟董丽红
Owner HOSPITAL ATTACHED TO QINGDAO UNIV
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