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Medical stent with a valve and related methods of manufacturing

  • US 7,354,455 B2
  • Filed: 08/05/2004
  • Issued: 04/08/2008
  • Est. Priority Date: 10/09/2001
  • Status: Expired due to Term
First Claim
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1. A medical stent having an elastomeric valve, comprising:

  • a generally tubular body formed of braided wires having a proximal end portion and a distal end portion; and

    a normally closed valve made of an elastomeric material and formed integral to the distal end portion of the braided wires, the elastomeric valve having a generally convex outer surface in a normally closed position and is substantially radially symmetric about a longitudinal axis of the tubular body,wherein the elastomeric valve is sufficiently rigid so as to substantially maintain a predetermined shape,wherein the elastomeric valve is configured to open in response to a predetermined condition,wherein the elastomeric valve includes an opening when the valve is in the normally closed position, andwherein said opening is located at a distal end of the valve.

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