Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1993-09-28
1995-01-17
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
601 2, 607 97, 606169, A61B 1720
Patent
active
053822285
ABSTRACT:
An ultrasound catheter (10) for removing obstructions from tubular anatomic structures such as blood vessels, said catheter comprising an elongate flexible catheter body (20) having an ultrasound transmission member or wire (24) extending longitudinally therethrough. A distal head (26) is formed on the distal end member of the ultrasound transmission member or wire (24) and is affixed to the catheter body (20). The ultrasound transmission member or wire may be formed of any material capable of transmitting ultrasonic energy including various superelastic metal alloys such as nickel titanium metal alloys. The distal portion of the ultrasound transmission member or wire (24) may be of reduced diameter to provide enhanced flexibility and/or amplification of the ultrasonic energy through the distal portion of the ultrasound transmission member or wire. A proximal end member connector (12) may be provided with a sonic connector to effectively couple the catheter (10) to the ultrasound transducer (14).
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Circulation, vol. 81, No. 2, Feb. 1990, "Application of a New Phased-Array Ultrasound Imaging Catheter in the Assessment of Vascular Dimensions," pp. 660-666.
"Ultrasonic Energy Caused Doe-Dependent, Endothelium-Independent Arterial Relaxation"-T. Fischell, et al. Abstracts of the 63rd Scientific Sessions, pp. 111-219.
Mills Timothy C.
Nita Henry
Baxter International Inc.
Rafa Michael
Rosenbaum C. Fred
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