Device and method for transmitting microwave energy by using phased array antenna

A phased array antenna and transmission device technology, applied in microwave therapy, applications, sensors, etc., can solve problems such as heating temperature monitoring, real-time temperature measurement, and deep tissue temperature measurement, etc., to achieve the effect of ensuring safety

Inactive Publication Date: 2014-03-26
郭运斌 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this temperature measuring device cannot effectively measure the temperature of deep tissues, nor does

Method used

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  • Device and method for transmitting microwave energy by using phased array antenna
  • Device and method for transmitting microwave energy by using phased array antenna
  • Device and method for transmitting microwave energy by using phased array antenna

Examples

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example 1

[0081] The operation steps of this example can be roughly divided into steps such as initialization, determination of heating scheme, determination of microwave emission parameters, microwave emission, temperature monitoring and judgment, determination and control of hyperthermia / non-hyperthermia time, and termination.

[0082] 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 heating a specific target of a living body as an example.

[0083] Such as Figure 4 As shown, first, in the initialization step S11: the phased array microwave energy transmission device 10 of the present invention starts to operate, firstly, according to the detection results of traditional scanning and positioning equipment, such as B-ultrasound machine, X-ray machine, nuclear magnetic resonance machine, etc., it i...

example 2

[0090] Operation example 2 of the phased array microwave energy transmission device 10 of the present invention is different from the above example 1 in that: the phased array microwave energy transmission device further includes a resonant frequency search unit 12 . Such as figure 2 As shown, the resonant frequency search unit 12 is connected with the phased array antenna unit 17 , the microwave source 16 and the control unit 11 . The resonant frequency search part controls the microwave source 16 to emit microwaves of different frequencies, and transmits them to a specific target through the phased array antenna part 17; at the same time, the temperature measurement part 14 described below measures the temperature of the specific target in real time. When the maximum temperature of a specific target appears, it can be determined that the microwave frequency at this time is the resonance frequency of the specific target.

[0091] Such as Figure 5 As shown, between steps S...

example 3

[0095] 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.).

[0096] Such as Figure 6 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. .

[0097] If the control unit...

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PUM

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Abstract

This invention discloses a transmission device for transmitting microwave energy by using phased array antenna, comprising a control part, a microwave energy transmission control part and a temperature measuring part which are connected to the control part, a microwave source, a phased array antenna part and a phased array antenna part and a wave zone plate emission part which are connected to the microwave source. The microwave energy transmission control part and the temperature measuring part are respectively connected to the microwave source, and the phased array antenna is connected to the temperature measuring part. By using the transmission device transmitting microwave energy by using phased array antenna, a specific target can be accurately positioned, and microwave energy can be transmitted to the specific target with an optimal heating scheme while the temperature measurement on the specific target is performed on real time.

Description

technical field [0001] The invention relates to a microwave energy transmission device and method using a phased array antenna for microwave energy transmission. The device can be used in the fields of directional transmission of microwave energy, microwave hyperthermia, real-time temperature measurement and the like. Background technique [0002] The use of microwaves to heat the human body or biological tissue has been applied. In traditional hyperthermia techniques, high-temperature treatment of deep tissues may cause epidermal tissue burns. Therefore, how to heat deep tissues without damaging epidermal tissues or other tissues is a challenging subject. Chinese patent ZL90106492.0 discloses a microwave diathermy method and device. It is based on the law of microwave power density and on the basis of the existing close-to-type diathermy method. The distance from the epidermis is 15-70cm. At the same time, add a focusing device in front of the mouth of the microwave radia...

Claims

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Application Information

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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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