Patents Examined by Kathleen A. Dobey
  • Balloon catheter inflation device
    Patent number: 5019041
    Abstract: A pressure device for use with a balloon angioplasty catheter includes a housing, a syringe body, rubber stopper and a pressure gauge. The rubber stopper is connected to a threaded plunger leading to a handle. The threaded plunger is engaged by a half nut. The half nut may also be disengaged. A forward located thumb button controls the engagement of the half nut with the threaded plunger. The initial operation of the thumb button also irreversibly illuminates the pressure gauge.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: May 28, 1991
    Assignee: SciMed Life Systems, Inc.
    Inventors: David B. Robinson, Daniel O. Adams, William H. Penny, Gerald G. Voegele