深圳市普罗惠仁医学科技有限公司; LTD.;SHENZHEN PRO-HIFU MEDICAL TECH. CO., LTD.;SHENZHEN PRO-HIFU MEDICAL TECH. CO.
发明人:
ZHANG, Xueyong,张学勇,QIAO, Xianbo,乔宪波,ZHANG, Ji,张激
申请号：
CNCN2015/072706
公开号：
WO2016/041320A1
申请日:
2015.02.10
申请国别(地区):
CN
年份:
2016
代理人:
摘要：
Disclosed is an ultrasound focusing transducer, comprising a shell (2), a piezoelectric ceramic wafer (8) accommodated in the shell (2), a fixed sealing part (5) and a support (3), wherein the piezoelectric ceramic wafer (8) is of a spherical segment shape and is provided with a through hole of a spherical-segment shape which is provided with a first side opening (84) and a second side opening, the hole size of the first side opening (84) is smaller than that of the second side opening, one end of the second side opening of the piezoelectric ceramic wafer (8) abuts against one end of the shell (2), and one end of the first side opening (84) of the piezoelectric ceramic wafer (8) faces the other end of the shell (2)； the fixed sealing part (5) is annular, is installed on the inner surface of the shell (2), abuts against the piezoelectric ceramic wafer (8), and is connected to the support (3) in a sealed manner； the support (3) is provided with a clamping part (32), and the clamping part (32) is used to press and clamp the periphery of the first side opening (84) of the piezoelectric ceramic wafer (8)； the fixed sealing part (5), the support (3) and the piezoelectric ceramic wafer (8) encloses a closed air cavity, and the air cavity has good sealing performance. An ultrasound focusing treatment head comprises a B-mode ultrasound probe and the above-mentioned ultrasound focusing transducer.L'invention concerne un transducteur de focalisation d'ultrasons, comprenant une coque (2), une plaquette en céramique piézoélectrique (8) logée dans la coque (2), une partie d'étanchéité fixe (5) et un support (3), la plaquette en céramique piézoélectrique (8) ayant une forme de segment sphérique et comprenant un trou traversant d'une forme de segment sphérique qui comporte une première ouverture latérale (84) et une seconde ouverture latérale, la taille de trou de la première ouverture latérale (84) est inférieure à celle de la seconde ouverture latérale, une première extrémité de
