Patents by Inventor Rizza Casasos

Rizza Casasos has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drive cable having internal lead wires
    Patent number: 5503155
    Abstract: A flexible drive cable comprises a flexible cable body, a pair of electrically insulated wires disposed through an axial lumen of the cable body, and a resilient support tube disposed over the wire pair. The resilient support tube provides support for the wire pair to help the wire pair recover from bending and deformation which may occur during storage or use of the drive cable. The support tube is usually liquid impermeable to maintain an air gap around the wire pair. The air gap improves shielding and maintains a constant overall impedance across the drive cable. The drive cable may be combined with an ultrasonic transducer at its distal end to form an ultrasonic transmission core.
    Type: Grant
    Filed: January 26, 1994
    Date of Patent: April 2, 1996
    Assignee: CardioVascular Imaging Systems, Inc.
    Inventors: Stephen Salmon, Rizza Casasos, Veijo T. Suorsa, David A. White