Patent · US Active

Transducer for therapeutic ultrasound apparatus and method

US10925629B2 · kind B2 · utility

0Cited by

35References

18Claims

0Family size

Assignee

Novuson Surgical, Inc. · US

Inventors

Stuart B. Mitchell · Lake Forest Park, US
Eric Hadford · Snohomish, US
Daniel Baker · Bothell, US

Key dates

Filing date	Oct 18, 2017
Grant date	Feb 23, 2021
Priority date	—
Expiry date	Feb 5, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB06B1/0611
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Various devices related to a therapeutic ultrasound device for use during a medical procedure to cauterize tissue are disclosed. The high intensity focused ultrasound device can include a transducer for producing high intensity focused ultrasound. The transducer includes a shell configured to receive an acoustic stack. The acoustic stack includes a piezoelectric layer, a matching layer, and a plurality of electrodes. The transducer includes an air-filled pocket formed between the inner surface of the shell and the piezoelectric layer of the acoustic stack, wherein the air-filled pocket is configured to ensure high efficiency of the transducer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.