Ultrasound catheter for removing obstructions from tubular...

Details Ultrasound catheter for removing obstructions from tubular... Ultrasound catheter for removing obstructions from tubular...

A - Human Necessities

61

B

A61B 17/22 (2006.01) A61B 17/00 (2006.01) A61B 17/32 (2006.01) A61B 18/00 (2006.01) A61B 19/00 (2006.01) A61F 2/00 (2006.01) A61M 1/00 (2006.01) A61M 3/02 (2006.01)

Patent

CA 2135047

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 longitudi- nally therethrough. A distal head (26) is formed on the distal end of the ultrasound transmission member or wire (24) and is af- fixed to the catheter body (20). The ultrasound transmission member or wire may be formed of any material capable of transmit- ting 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 connector (12) may be provided with a sonic connector to effectively couple the catheter (10) to the ultrasound transducer (14).

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