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Title: Annular-array ultrasonic endoscope probe, preparation method thereof and fixing rotating device
Other Titles: 环状阵列超声波内窥镜探头及其制备方法和固定旋转装置
Authors: Dai, JY 
Zhang, GF 
Zhou, D 
Jiao, YJ 
Lin, GH
Chen, Y 
Chen Wang, LH 
Issue Date: 10-Dec-2014
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 201110132195.1 How to cite?
Abstract: The invention relates to an annular-array ultrasonic endoscope probe, a preparation method thereof and a fixing rotating device. The probe comprises a metal cylinder located in the center and a plurality of piezoelectric array elements arranged around the metal cylinder and formed by cutting piezoelectric ceramic circular rings or monocrystalline circular rings. A backing material layer is equipped between the piezoelectric array elements and the metal cylinder. A matching material layer is covering on the outer sides of the piezoelectric array elements. Decoupling materials are filled among the piezoelectric array elements. The probe further comprises a plurality of coaxial cables correspondingly connected with the piezoelectric array elements; and annular grids sleeved on the metal cylinder, each having a gear-shaped structure and applied for arranging and separating the coaxial cables. By directly cutting piezoelectric ceramic circular rings or piezoelectric monocrystalline circular rings to make the piezoelectric array elements, the probe provided in the invention prevents the problems generated when a multi-layer material with a certain thickness is forcibly reeled into a cylindrical shape in a conventional method and characterized in that the array elements are not coaxially arranged; the array elements on the interface positions are not aligned; a conventional probe is easy to be damaged, disengaged and broken, etc.
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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