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Appliance to be implanted, method of collapsing the appliance to be implanted and method of using the appliance to be implanted

  • US 6,270,520 B1
  • Filed: 05/13/1999
  • Issued: 08/07/2001
  • Est. Priority Date: 05/19/1995
  • Status: Expired due to Fees
First Claim
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1. A method of collapsing an appliance to be implanted comprising a front end wire ring, a rear end wire ring arranged facing to the front end wire ring, a tubular cover which connects the front and rear end wire rings, and an intermediate wire ring arranged between the front and rear end wire rings, in which each of the wire rings is given flexibly foldable elasticity, said method comprising:

  • folding each of the wire rings into a wavy folded shape forming forwardly directed peaks and bottoms of forwardly directed valleys alternatively and repeatedly;

    tying each of the wire rings by a string with a portion formed into a loop; and

    inserting and passing a retaining rod through said loops so as to keep each of the wire rings in a collapsed condition.

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