Patents Assigned to Health Development Corporation
  • Gastro-intestinal tube guide and stiffener
    Patent number: 4257421
    Abstract: A device for use in inserting soft and flexible tubular devices into a body passageways, said device characterized by being formed from a flexible base, such as multiple-strand nylon thread and having deposited upon said flexible base a soluble material such as gelatin, said soluble material characterized by being less flexible than said base in its undissolved state.
    Type: Grant
    Filed: January 10, 1979
    Date of Patent: March 24, 1981
    Assignee: Health Development Corporation
    Inventor: Charles B. Beal