US 12,220,603 B2
High-intensity focused ultrasound apparatus and control method
Jiawei Mao, Guangdong (CN); Jinqiang Yuan, Guangdong (CN); Zuping Jiang, Guangdong (CN); Jia Zhou, Guangdong (CN); and Xiaobin Gao, Guangdong (CN)
Assigned to ULTRASOUND ASSISTED MEDTECH PTE. LTD., Shenzhen (CN)
Appl. No. 17/916,122
Filed by ULTRASOUND ASSISTED MEDTECH PTE. LTD., Guangdong (CN)
PCT Filed Mar. 12, 2021, PCT No. PCT/CN2021/080490
§ 371(c)(1), (2) Date Sep. 30, 2022,
PCT Pub. No. WO2021/203910, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 10202003167Y (SG), filed on Apr. 6, 2020; and application No. 202010412554.8 (CN), filed on May 15, 2020.
Prior Publication US 2023/0330444 A1, Oct. 19, 2023
Int. Cl. A61N 7/02 (2006.01); A61N 7/00 (2006.01)
CPC A61N 7/022 (2013.01) [A61N 2007/0052 (2013.01); A61N 2007/0078 (2013.01)] 1 Claim
OG exemplary drawing
 
1. A high-intensity focused ultrasound apparatus, comprising a transducer assembly (100) and a connecting wire (200) that are fixedly connected to each other, the connecting wire (200) comprising a connecting end (210), the connecting wire (200) being fixedly connected to the transducer assembly by means of the connecting end (210), the transducer assembly (100) comprising:
an image transducer (110) configured to acquire an ultrasonic image of an inner cavity of an object to be treated; and
a focusing transducer (120) configured in a first shape, the focusing transducer (120) freely changing to a second shape after extending into the inner cavity of the object to be treated, and configured to focus ultrasonic energy and release a high-intensity focused ultrasonic pulse to irradiate a region to be treated of the inner cavity of the object to be treated;
wherein the second shape is a circular cylinder or an elliptic cylinder, at least one end face of the circular cylinder or the elliptic cylinder being a concave spherical surface; the focusing transducer (120) has a recess (121); and
the image transducer (110) is in the shape of a circular cylinder or an elliptic cylinder, and the image transducer (110) is embedded in the recess (121), with a circle center of an end face of the image transducer (110) coinciding with a physical center of an end face of the focusing transducer (120);
wherein the focusing transducer (120) is consisted of two first transducer modules (124) and a second transducer module (123), the two first transducer modules (124) being arranged on two sides of the second transducer module (123) respectively and being pivotally connected to the respective side of the second transducer module (123); the recess (121) is provided at center of the second transducer module (123);
when the high-intensity focused ultrasound apparatus (10) is in a first state, the two first transducer modules (124) are folded and combined to form the focusing transducer (120) in the first shape, the first state being that the high-intensity focused ultrasound apparatus (10) is outside the object to be treated, the first shape being the shape of the second transducer module (123);
when the high-intensity focused ultrasound apparatus (10) is in a second state, the two first transducer modules (124) are unfolded and spliced to form the focusing transducer (120) in the second shape, the second state being that the high-intensity focused ultrasound apparatus (10) is adapted to be in the inner cavity of the object to be treated; and
the image transducer (110) is embedded in the recess (121), and during a shape change of the focusing transducer (120), the shapes of the second transducer module (123) and the image transducer (110) remain unchanged.