×

Method of assembling a tissue heart valve

  • US 5,571,174 A
  • Filed: 11/18/1994
  • Issued: 11/05/1996
  • Est. Priority Date: 01/24/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of assembling a mating stent valve, comprising the steps of:

  • positioning a first stent on a mandrel;

    indexing said first stent on said mandrel;

    wrapping at least one piece of tissue around the first stent;

    providing a second stent comprising a base portion and a top portion, each of which is normally in a closed position but which is capable of being expanded into an open position;

    spreading the base portion and the top portion of the second stent into their respective open positions utilizing at least one spreading tool;

    positioning the second stent, after said spreading step, over the first stent; and

    removing the at least one spreading tool, thereby allowing the base and top portions of the second stent to move into their closed positions.

View all claims
  • 13 Assignments
Timeline View
Assignment View
    ×
    ×