Ultrashort pulse microwave thermoacoustic breast imaging detection device
A technology of breast imaging and ultrashort pulses, which is applied in diagnostic recording/measurement, medical science, sensors, etc. It can solve problems such as image blur, multi-time, and impact on resolution, and achieve easy operation, low cost, and improved time resolution. Effect
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Embodiment 1
[0047] Such as figure 1 As shown, the ultrashort pulse microwave thermoacoustic breast imaging detection device includes a microwave generation system, a data acquisition system, a coupling system, an image reconstruction system, and a microwave leak-proof system; the microwave generation system, coupling system, data acquisition system, and image reconstruction system are connected in sequence ;The microwave generating system and the coupling system are set in the microwave leak-proof system;
[0048] The microwave generation system includes a pulsed microwave generator 1-1 (the peak power of the radiated microwave is 4-40MW, and the pulse width is 10ns), a transmitting antenna 1-2 and a function signal generator 1-3; the pulsed microwave generator 1-1 and The function signal generator 1-3 is connected, and the transmitting antenna 1-2 is set on the pulse microwave generator 1-1;
[0049] Pulsed microwave generator 1-1 is a high-power pulsed microwave generator; its peak pow...
Embodiment 2
[0069] The breast imaging detection method using the ultrashort pulse microwave thermoacoustic breast imaging detection device of embodiment 1 comprises the following steps:
[0070] (1) The subject to be tested lies flat on the test bed, and the breast is placed in the breast matcher, and the height is adjusted so that the part to be tested is parallel to the plane of the circular array detector, and the part to be tested is immersed in the coupling liquid;
[0071] (2) Turn on the pulsed microwave generator to generate ultra-short pulsed microwaves, which are transmitted to the mammary gland through the microwave antenna, and are excited by the thermoacoustic effect to generate ultrasonic signals; the ultrasonic signals are transmitted to the ultrasonic detector through the coupling liquid, and converted on the ultrasonic detector The electrical signal is transmitted to the data acquisition system; the imaging results are as follows: image 3 shown;
[0072] image 3 The dev...
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