Annular-array ultrasonic endoscope probe, preparation method thereof and fixing rotating device

A ring array, ultrasonic technology, applied in the direction of endoscope, ultrasonic/sonic/infrasonic diagnostic equipment structure, ultrasonic/sonic/infrasonic diagnosis, etc., can solve problems such as distortion, crimp fracture, etc.

Active Publication Date: 2012-11-28
THE HONG KONG POLYTECHNIC UNIV
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a simple and reliable ring-shaped array ultrasonic endoscopic probe and its preparation method and fixation method for the existing ring-shaped ultrasonic probes, which are prone to fracture and distortion due to the defects that the existing ring-shaped ultrasonic probes are first fabricated into a plane array and then curled. rotating device

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  • Annular-array ultrasonic endoscope probe, preparation method thereof and fixing rotating device
  • Annular-array ultrasonic endoscope probe, preparation method thereof and fixing rotating device
  • Annular-array ultrasonic endoscope probe, preparation method thereof and fixing rotating device

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Embodiment Construction

[0038] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0039] see figure 1 and figure 2 , are respectively the three-dimensional structure and the longitudinal section view of the annular array ultrasonic endoscopic probe in the preferred embodiment of the present invention. Such as figure 1 and figure 2 As shown, the annular array ultrasonic endoscopic probe provided in this embodiment includes: a metal cylinder 101, a backing material layer 102, a piezoelectric array element 103, a matching material layer 104, an annular lattice 105, a coaxial cable 106 and Decoupling material 107 .

[0040]The metal cylinder 101 is located in the center to play a supporting role, and to connect the bottom electrode of the piezoelectric array element 103 and the ground wire of all coaxial cables 106. Bronze mat...

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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.

Description

technical field [0001] The invention relates to the technical field of ultrasonic endoscope, and more specifically, relates to a ring-shaped array ultrasonic endoscope probe, a preparation method thereof, and a fixing and rotating device. Background technique [0002] In ultrasonic endoscopic technology, circular scanning probes have been widely used in imaging diagnosis of gallbladder, pancreas and digestive tract. Ultrasonic endoscopic technology began to develop as early as the 1980s. In the early days, it could only perform image scanning at a 90-degree angle. Subsequently, it was developed to scan ultrasound images at a 180-degree angle, and the current ultrasound image scan at a 360-degree angle has been successfully developed. [0003] The earliest 360-degree image was scanned by a single-unit probe connected to a motor for circular mechanical rotation. The later-developed ring array probe forms a 360-degree ultrasonic image through electronic scanning without motor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/12
CPCA61B8/44A61B1/0011A61B8/12A61B8/4444Y10T29/42
Inventor 戴吉岩张国峰周丹焦逸静林国豪陈燕陈王丽华
Owner THE HONG KONG POLYTECHNIC UNIV
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