Patents Assigned to Hancock Laboratories Incorporated
  • Preparing natural tissue for implantation so as to provide improved flexibility
    Patent number: 3966401
    Abstract: An arrangement for preparing natural tissue in the form of a heart valve, vessel or the like for implantation in which alternately tanning fluid under pressure is applied to a portion of the tissue so as to cause said tissue to assume substantially its natural configuration, and the pressure is relieved so as to result in a flexing of the tissue, while additional tanning fluid is applied to the remainder of the tissue, said tanning fluid being so applied for a time sufficient to cause the tissue to become fixed.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: June 29, 1976
    Assignee: Hancock Laboratories Incorporated
    Inventors: Warren D. Hancock, Thomas J. Fogarty