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A phased array microwave energy transmission device and method

A transmission device and phased array technology, which is applied in the field of phased array microwave energy transmission devices, can solve the problems of inability to monitor heating temperature, inability to measure deep tissue temperature, and not to have real-time temperature measurement, etc., and achieve the effect of ensuring safety.

Inactive Publication Date: 2017-03-29
郭运斌 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this temperature measuring device cannot effectively measure the temperature of deep tissues, nor does it have the function of real-time temperature measurement, and cannot effectively monitor the heating temperature

Method used

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  • A phased array microwave energy transmission device and method
  • A phased array microwave energy transmission device and method
  • A phased array microwave energy transmission device and method

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0120] The operation steps of this example can be roughly divided into: initialization, scanning positioning, heating scheme determination, microwave emission parameter determination, microwave emission, temperature monitoring and judgment, hyperthermia / non-hyperthermia time judgment and control, end and other steps.

[0121] In the following, the operation example 1 of the phased array microwave energy transmission device 10 of the present invention will be described by taking the phased array microwave energy transmission device 10 of the present invention for scanning, positioning and heating a specific target of a living body as an example.

[0122] Such as Figure 6 As shown, first, in the initialization step S11: the phased array microwave energy transmission device 10 of the present invention starts to operate, and the scanning positioning unit 12 first refers to other detection equipment, such as the preliminary detection of B-ultrasound machine, X-ray machine, nuclear ...

example 2

[0130] The difference between the operation example 2 of the phased array microwave energy transmission device 10 of the present invention and the above-mentioned example 1 is only that: between steps S12 and S13, a resonance frequency determination step S25 is added (see Figure 7 ), wherein the control unit 11 controls the microwave energy transmission control unit 13 and the temperature measurement unit 14 to jointly determine the resonance frequency of the specific target.

[0131] In the resonant frequency determination step S19, the microwave energy transmission control unit 13 controls the energy transmission microwave source 162 to generate a series of low-power microwaves with continuously increasing frequency in the preset frequency band, and transmit the microwaves through the phased array antenna unit 17 to At the precise spatial position of the specific target determined by the scanning positioning unit 12 in step S12. At the same time, the temperature measurement...

example 3

[0134] In each of the above examples, the main purpose of the hyperthermia and inactivation of biological tissues is to operate. However, there may be safety concerns when performing hyperthermia on biological tissues at some special locations (for example, lesion tissues near complex vascular structures). In this case, the non-thermal effect of microwaves on organisms can be used to irradiate the biological tissue with microwaves to produce non-thermal effects (such as cell membrane perforation, easy drug introduction, cutting DNA, etc.).

[0135] Such as Figure 8 As shown, in this example, the judgment of non-thermal treatment mode is added. For example, in the treatment plan determination step S13: the control unit 11 further determines whether to adopt a thermal therapy mode or a non-thermal therapy mode, and determines the power, waveform, frequency and pulse mode of the non-thermal therapy microwave used in the non-thermal therapy mode. .

[0136] If the control unit...

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Abstract

The invention discloses a device and a method for phase array microwave energy transmission. The device comprises a control portion, and scanning positioning portion, a microwave energy transmission control portion and a temperature measuring portion which are connected to the control portion, a microwave source to which the scanning positioning portion, the microwave energy transmission control portion and the temperature measuring portion are connected, and a phased array antenna portion and a wave zone plate emission portion which are connected to the microwave source, and the phased array antenna portion is also connected to the scanning positioning portion and the temperature measuring portion. By using the phased array microwave energy transmission device, an interested specific target can be accurately positioned, and microwave energy can be transmitted to the specific target with an optimal heating scheme.

Description

technical field [0001] The invention relates to a phased array microwave energy transmission device and method for transmitting microwave energy by using a phased array antenna. The device can be used in microwave energy directional transmission, microwave CT detection, microwave hyperthermia and other fields. Background technique [0002] Methods for detecting human organs or biological tissues generally include X-ray detection, nuclear magnetic resonance detection, ultrasonic detection, and the like. Technologies for detection using phased-array antennas also exist; U.S. Patent 4,528,854 discloses a phased-array receiver for ultrasonic diagnostic equipment, which is used to change the phase of the output voltage from the sensor element receiving the ultrasonic wave, and synthesize these Voltage to change the direction and other properties of the ultrasonic waves. However, this device limits the efficiency of ultrasound imaging due to large discontinuities. [0003] Micr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/02A61B5/01
Inventor 丘国慈丘福隆曾毅郝建红吴水才姚逸翔
Owner 郭运斌
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