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Expandable ureteral stent

  • US 6,685,744 B2
  • Filed: 03/18/2002
  • Issued: 02/03/2004
  • Est. Priority Date: 03/18/2002
  • Status: Expired due to Term
First Claim
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1. A ureteral stent comprising:

  • an elongated member defining a first lumen;

    a proximal retention structure defining a second lumen and disposed at a proximal end of the elongated member; and

    a resilient portion defining a third lumen in fluid communication with the first and second lumens, the resilient portion connected to the proximal retention structure and the proximal end of the elongated member so as to allow the proximal retention structure to slideably move in relation to the proximal end of the elongated member between a retracted position and an expanded position.

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