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
CN102499713AActive Publication Date: 2012-06-20SOUTH CHINA NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
SOUTH CHINA NORMAL UNIVERSITY
Publication Date
2012-06-20

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Abstract

The invention belongs to the technical field of thermoacoustic imaging, and discloses a 'cup' type microwave thermoacoustic mammary gland imaging detection device. The detection device consists of a pulse microwave generator, a transmitting antenna, a 'cup' detection device, a detection coupling platform, an ultrasonic transducer, microwave leakage-proof equipment and a data acquisition-image reconstruction device, wherein the 'cup' detection device is an uncovered closed container which consists of a metal 'cup' shell and a non-metal body bottom plate; a microwave absorbing material is covered on the integral cross section of the 'cup' detection device and is recessed inward to form a shape which is matched with shapes of human breasts; a polystyrene buffer cushion is covered on the microwave absorbing material seamlessly, and a hole is reserved in the center of the polystyrene buffer cushion; a detector lifting power device is arranged at the bottom of the closed container; and a detector lifting sliding groove is formed above the power device; and a multielement annular array ultrasound detector is arranged on the sliding groove. The resolution ratio of the detection device is 0.5 millimeter, so the detection device can discriminate millimeter-order microscopic tumors; and the image contrast is high, so the detection device can be popularized clinically.
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Description

technical field

[0001] The invention belongs to the technical field of thermoacoustic imaging, and in particular relates to a device for detecting mammary glands, in particular to a "body cup" type microwave thermoacoustic nondestructive imaging detection device for mammary glands. Background technique

[0002] Microwave thermoacoustic imaging is a new type of non-destructive testing technology, which has attracted more and more attention because of its advantages of high contrast and high resolution, safety and non-destructive, and high imaging depth. When a substance is irradiated with pulsed microwaves, the substance absorbs microwave energy to cause an instantaneous temperature rise. If the pulse width of the microwave is relatively narrow, the absorbed energy cannot undergo thermal diffusion within the duration of the microwave pulse. At this time, it can be regarded as adiabatic expansion. , heat energy is converted into mechanical energy and radiated in the form of ul...

Claims

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