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Introducer/dilator with balloon protection and methods of use

  • US 6,689,152 B2
  • Filed: 01/10/2003
  • Issued: 02/10/2004
  • Est. Priority Date: 09/09/1998
  • Status: Expired due to Term
First Claim
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1. A cannula introducer system, comprising:

  • a cannula having a proximal end, a distal end, and a lumen therebetween;

    an elongate shaft having proximal and distal ends, said shaft insertable through the lumen of the cannula;

    a flexible sleeve mounted on the distal end of the shaft, wherein the sleeve is adapted to circumferentially cover the distal end of the cannula when the shaft is positioned within the lumen of the cannula; and

    a filter operable from the distal end of the cannula.

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