Cup type microwave thermoacoustic mammary gland imaging detection device
A detection device and breast imaging technology, which is applied in ultrasonic/acoustic/infrasonic diagnosis, acoustic diagnosis, infrasonic diagnosis, etc., can solve problems affecting time resolution, multi-time, image blurring, etc., and achieve improved time resolution and microwave energy Uniform, low-cost effect
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[0036] Example 1
[0037] A "body cup" type microwave thermoacoustic breast imaging detection device, such as figure 1 As shown, including pulsed microwave generator 1-1, high-power helical antenna 1-2, "body cup" detection device 1-3, detection coupling platform 1-4, multi-element ring array ultrasonic detector 2-3, microwave protection Leakage equipment 1-5 and data acquisition-image reconstruction device 1-6; pulse microwave generator 1-1, high-power spiral antenna 1-2, "body cup" detection device 1-3, detection coupling platform 1-4, multiple The annular array ultrasonic detector 2-3 and the data acquisition-image reconstruction device 1-6 are located in the microwave leak-proof equipment 1-5 to prevent microwave leakage; the detection coupling platform 1-4 is used to carry the person to be tested; pulsed microwave generation The detector 1-1, the high-power helical antenna 1-2, the "body cup" detection device 1-3 and the data acquisition-image reconstruction device 1-6 are c...
Example Embodiment
[0049] Example 2
[0050] Using the device of embodiment 1 to realize thermoacoustic imaging of the object to be measured includes the following steps:
[0051] (1) Use pig fat as a material with low water content (simulated breast tissue), and a gelatin mass containing 90% (mass fraction) of water and 10% (mass fraction) of kerosene as a material with high water content (simulated tumor). It is made into a breast shape with a maximum diameter of 50mm for low-water content substances and 5mm for high-water content substances, and is fixed on top of the polystyrene (ps) cushion 2-1.
[0052] (2) The pulsed microwave generator 1-1 emits microwaves with a short pulse width of 500ns, which are uniformly irradiated under the sample through the high-power helical antenna 4-1. The distance between the end of the antenna and the bottom of the sample is 15cm, which stimulates and generates thermoacoustic signals.
[0053] (3) The thermoacoustic signal is received by the multi-element ring arr...
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