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:
Oct. 22, 1991
Filed:
Sep. 06, 1990
Applicant:
Inventors:
Paul D Corl, Palo Alto, CA (US);
Ilan Lifshitz, Mountain View, CA (US);
Jeffrey J Christian, San Jose, CA (US);
Menahem F Nassi, Palo Alto, CA (US);
Assignee:
Cardiometrics, Inc., Mountain View, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310334 ; 310369 ; 128657 ; 128658 ; 128772 ;
Abstract
Guidewire comprising a flexible elongate member having a distal extremity with an ultrasonic transducer secured to the distal extremity of the flexible elongate member. The transducer has a diameter ranging from 0.007 inches to 0.018 inches and has a thickness and a diameter to provide a transducer having an aspect ratio with a thickness which is one-half of the diameter .+-.5%. Electrical leads are connected to the transducer and extend the length of the flexible elongate member.