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Sheath tip

  • US 7,115,138 B2
  • Filed: 09/04/2002
  • Issued: 10/03/2006
  • Est. Priority Date: 09/04/2002
  • Status: Expired due to Fees
First Claim
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1. An embolic protection filter assembly, comprising;

  • an outer sheath having a proximal end, a distal end, a lumen extending therethrough and a central longitudinal axis;

    an elongate shaft disposed in at least a portion of the lumen, the shaft having a distal end;

    an embolic protection filter coupled to the shaft near the distal end thereof;

    wherein a housing region is defined at the distal end of the sheath, the housing region including a housing lumen that is sized to accommodate the filter therein;

    a tapering member coupled to the sheath and disposed near the distal end of the sheath, the tapering member being adapted and configured to shift between a first position and a second position, such that when the tapering member is in the first position, the tapering member provides the outer sheath with a tapered distal tip;

    wherein the tapering member includes a notched tip disposed at the distal end of sheath, the notched tip including a plurality of segments having a plurality of notches disposed therebetween; and

    wherein the plurality of segments is biased towards the central longitudinal axis in the first position.

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