Release date: 2013-02-19
The research on fiber optic hydrophone for measuring high-intensity focused ultrasound field has achieved remarkable results recently, which will break the situation that all measuring instruments rely on imports, making high-intensity focused ultrasound (HIFU) technology a breakthrough in the new method of non-invasive treatment of solid tumors.
It is understood that for high-intensity focused ultrasound technology, accurate measurement and description of HIFU sound field characteristics is very important for accurately predicting the therapeutic dose and biological effects of HIFU, ensuring the effectiveness and safety of treatment, and establishing a uniform standard for HIFU clinical equipment. significance. At present, high sound pressure HIFU sound field measuring instruments are all dependent on imports and are expensive.
Chongqing Science and Technology Commission introduced that Chongqing Ronghai Ultrasonic Medical Engineering Research Center Co., Ltd. cooperated with Chongqing University to invent and design and manufacture an all-silica fiber Fabry-Perot ultrasonic ultrasonic device under the support of Chongqing Natural Science Fund. The sensing principle of the laterally sensitive and end-sensitive all-silica fiber ultrasonic hydrophone in the HIFU field was studied. The prototype of the all-silica fiber Fabry-Perot ultrasonic ultrasonic hydrophone and the instrument for measuring the HIFU sound field were designed and developed. The system, in which the prototype of the fiber-optic Fabry-Period ultrasonic hydrophone can achieve the high-resolution and high sound pressure measurement of the HIFU field, reaching the international leading level, will promote the development of the HIFU medical device industry. The project also obtained 1 national invention patent right, and the project-related research content has been included in the National Natural Science Foundation Committee's national major scientific research equipment development support.
Source: Kexun
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