The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 2002
Filed:
Mar. 20, 2000
Applicant:
Inventors:
Paul D. Corl, Palo Alto, CA (US);
Joseph Karratt, Millbrae, CA (US);
John McKenzie, San Carlos, CA (US);
Assignee:
Pharmasonics, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61H 1/00 ;
U.S. Cl.
CPC ...
A61H 1/00 ;
Abstract
A therapeutic ultrasound energy delivery system includes a probe having a vibrational transducer. A restraint is disposed about the transducer in order to exert a compressive pre-stress on the transducer. The restraint inhibits tensile failure of the vibrational transducer at high acoustic output.