Patents by Inventor Andrew Y. Chow

Andrew Y. Chow 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).

  • Guide wire with deflectable tip and method
    Patent number: 5813997
    Abstract: Guide wire for use in a medical procedure and for use with the power supply comprising a flexible elongate tubular member having proximal and distal extremities and having a bore extending from the proximal extremity to the distal extremity. A core wire extends through the bore of the flexible elongate tubular member. A coil assembly is mounted on the distal extremity of the flexible elongate member and has a distal extremity. A rounded tip is formed on the distal extremity. An actuator member has at least a portion thereof disposed in the coil assembly and has proximal and distal extremities. The proximal extremity of the actuator member is secured to the distal extremity of the flexible elongate tubular member. The distal extremity of the actuator member is secured to the rounded tip. The actuator member has a portion thereof formed of a shape memory material and incorporating a shape member therein.
    Type: Grant
    Filed: August 1, 1996
    Date of Patent: September 29, 1998
    Assignee: Intelliwire, Inc.
    Inventors: Mir A. Imran, Deepak R. Gandhi, Henry Bourang, Dignah B. Quiachon, Andrew Y. Chow
  • Guide wire with deflectable tip and method
    Patent number: 5542434
    Abstract: Guide wire for use in a medical procedure and for use with the power supply comprising a flexible elongate tubular member having proximal and distal extremities and having a bore extending from the proximal extremity to the distal extremity. A core wire extends through the bore of the flexible elongate tubular member. A coil assembly is mounted on the distal extremity of the flexible elongate member and has a distal extremity. A rounded tip is formed on the distal extremity. An actuator member has at least a portion thereof disposed in the coil assembly and has proximal and distal extremities. The proximal extremity of the actuator member is secured to the distal extremity of the flexible elongate tubular member. The distal extremity of the actuator member is secured to the rounded tip. The actuator member has a portion thereof formed of a shape memory material and incorporating a shape member therein.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: August 6, 1996
    Assignee: Intelliwire Inc.
    Inventors: Mir A. Imran, Deepak R. Gandhi, Henry Bourang, Dignah B. Quiachon, Andrew Y. Chow