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Dual valve, flexible expandable sheath and method

  • US 5,935,122 A
  • Filed: 08/01/1997
  • Issued: 08/10/1999
  • Est. Priority Date: 12/13/1991
  • Status: Expired due to Term
First Claim
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1. An introducer sheath assembly comprising:

  • an elongate sheath tube formed of a flexible material having proximal and distal extremities and having a passage extending therethrough;

    an outer tubular member configured coaxially within said sheath tube, and having a proximal extremity that extends beyond said proximal extremity of said sheath tube and a distal extremity configured to pass through said passage of said elongated sheath tube;

    an inner tubular member configured coaxially within said outer tubular member and having proximal and distal extremities that extend beyond said extremities of said outer tubular member; and

    a cap affixed to said distal extremity of said inner tubular member.

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