Transducer for Therapeutic Ultrasound Apparatus and Method
Summary
The USPTO granted Patent US12605180B2 covering a therapeutic ultrasound transducer for use during medical procedures to cauterize tissue. The invention includes a high intensity focused ultrasound device with a transducer comprising a shell, acoustic stack with piezoelectric layer, matching layer, and electrodes, and an air-filled pocket configured to ensure high transducer efficiency. The patent names Stuart B. Mitchell, Eric Hadford, and Daniel Baker as inventors.
What changed
The USPTO issued Patent US12605180B2 for a therapeutic ultrasound transducer designed for medical procedures involving tissue cauterization. The patent covers a transducer including a shell configured to receive an acoustic stack comprising a piezoelectric layer, matching layer, and electrodes, with an air-filled pocket between the shell and piezoelectric layer to ensure high efficiency.
Medical device manufacturers developing high intensity focused ultrasound devices should review the patent claims to assess potential overlap with their transducer designs. Companies may wish to evaluate freedom-to-operate for any therapeutic ultrasound products under development or currently marketed.
Archived snapshot
Apr 21, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Transducer for therapeutic ultrasound apparatus and method
Grant US12605180B2 Kind: B2 Apr 21, 2026
Inventors
Stuart B. Mitchell, Eric Hadford, Daniel Baker
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.
CPC Classifications
A61B 17/320092 A61B 2017/320093-320095
Filing Date
2024-02-08
Application No.
18436768
Claims
10
Mentioned entities
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