An acoustic-electric combined analysis device for tumor detection
An analysis device and a combination of sound and electricity technology, applied in the field of medical detection, can solve problems such as high detection error rate and missed detection rate, damage to DNA, and accumulation of ionizing radiation, so as to reduce misjudgment, improve accuracy, and achieve high signal-to-noise than the effect
Inactive Publication Date: 2011-12-07
SOUTH CHINA UNIV OF TECH
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X-ray photography is less sensitive to early tumors without calcification, so the detection error rate and missed detection rate are high, and repeated exposure to X-rays will lead to the accumulation of ionizing radiation in the body, which may cause normal tissue canceration
Computed tomography suffers from the same problem as X-rays: tomography's radiation can penetrate cells, damage DNA, and even induce cancer in some cancers.
Although MRI has no adverse effects on the human body, its spatial resolution is not as good as computed tomography, and the equipment is expensive, making it unsuitable for large-scale population censuses
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[0044] Such as figure 1 As shown, the present invention consists of five modules: a signal source excitation module, a detection signal transceiver module, a data acquisition module, an imaging processing module and an image joint analysis module. Wherein, the dashed arrow indicates the propagation direction of the detection signal in the generation and transmission stages, and the solid line arrow represents the propagation direction of the echo signal in the reception, processing, and imaging stages. The signal source excitation module simultaneously generates one high-frequency complementary sequence coded pulse excitation and one UWB complementary sequence coded pulse excitation. After the detection signal transceiver module is excited, it transmits high-frequency ultrasonic signals and UWB electromagnetic wave signals to the detection area at the same time; the detection signal transceiver module receives For the echoes of the two signals, the two echo signals are decoded...
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The invention provides an acoustic-electric joint analysis device used for detection. The device comprises a signal source excitation module, a detection signal receiving and transmitting module, a data acquisition module, an imaging module and an image joint analysis module which are connected in turn. The analysis device can simultaneously transmit a high-frequency ultrasonic signal and an ultra wide band (UWB) electromagnetic wave signal to detect human tissues, perform signal processing and imaging algorithm processing after receiving backward waves to respectively obtain grey-scale maps about the ultrasonic signal and the electromagnetic wave signal, and finally perform comprehensive processing and analysis on the two grey-scale maps. More detection details can be acquired and more accurate pathological analysis can be made by complementing the high specificity of ultrasonic imaging and the high sensitivity of the UWB electromagnetic wave imaging.
Description
technical field [0001] The invention belongs to the technical field of medical detection, and in particular relates to devices for ultrasonic imaging, ultra-wideband imaging, complementary sequence coded pulse detection and image joint analysis. Background technique [0002] Cancer is a frequently-occurring and common disease that seriously threatens human health. Cancer incidence and mortality have been on the rise for nearly 30 years. Relevant data show that tumor has become one of the main causes of death among Chinese residents, and the form of fighting cancer is quite severe. [0003] Although the ever-updating medical technology of tumors integrates various methods such as surgery, radiotherapy, chemotherapy, and biological genes, since most cancer patients are found to be in the middle and late stages, no matter how good the treatment method is, it can only be hoped for. Therefore, how to correctly diagnose the tumor in the early stage of cancer and gain sufficient ...
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IPC IPC(8): A61B8/08A61B5/00A61B19/00
Inventor 韦岗廖明熙宁更新谭梁镌
Owner SOUTH CHINA UNIV OF TECH