Delay excitation ultrasonic imaging method and device and delay exciting system

Abstract

The invention discloses a delay excitation ultrasonic imaging method and device and a delay exciting system. The method comprises the steps of generating a regulation clock, and conducting delay excitation on an ultrasonic transducer once or more according to the regulation clock; conducting data acquisition on ultrasonic echo signals of the ultrasonic transducer and signals generated after each time of delay excitation; conducting synthetic superposition on acquired data to obtain high-frequency sampling data; conducting ultrasonic imaging according to the high-frequency sampling data. By conducting delay excitation on the ultrasonic transducer, high-frequency ultrasonic imaging can be conducted by a conventional analog-digital conversion chip, and a scheme of conducting ultrasonic imaging through low-cost sampling and delay excitation can be realized. The delay excitation ultrasonic imaging method and device and the delay exciting system can be used in a traditional low-frequency ultrasonic imaging system as well as a high-frequency ultrasonic imaging system, and system cost can be reduced greatly.

Description

technical field [0001] The invention relates to the technical field of ultrasonic imaging, in particular to a delayed excitation ultrasonic imaging method, device and delayed excitation system. Background technique [0002] Medical imaging generally refers to the technology and processing process of obtaining internal tissue images of the human body or a certain part of the human body in a non-invasive manner for medical treatment or medical research. It is deduced from the result (observation image signal). Medical imaging is widely used in clinical practice. It provides a great scientific and intuitive basis for disease diagnosis. It can better cooperate with clinical symptoms and laboratory tests, and play an irreplaceable role in the final accurate diagnosis of the disease. [0003] Medical imaging generally refers to modern imaging such as X-ray imaging (X-ray), X-ray computed tomography (CT), magnetic resonance imaging (MRI), ultrasound imaging (US), optical coherence...

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Problems solved by technology

[0008] The present invention provides a delayed excitation ultrasonic imaging method, device and delayed excitation system to at least solve the problem of high cost of ultrasonic imaging systems in the related art

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