Patents Represented by Attorney Douglas A. Hopkins & Carley Chaikin

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  • Imaging atherectomy apparatus
    Patent number: 5429136
    Abstract: An atherectomy catheter having ultrasound imaging capability provided by an acoustic transducer disposed within a catheter housing which includes a circular cutting edge for removal of stenotic tissue. Risk of induced emboli is reduced by arrangements of transducer and cutter maneuvering members which permit the cutting edge to remain shielded by the housing during catheter positioning and scanning. Both single and array transducers are employed in a variety of configurations.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: July 4, 1995
    Assignee: Devices for Vascular Intervention, Inc.
    Inventors: Charles Milo, Gerald Hansen, Fred H. Co