Intravascular filter and method
First Claim
Patent Images
1. A filter assembly, comprising:
- a catheter including an elongate shaft having a proximal end and a distal end;
a housing disposed at the distal end of the elongate shaft;
an elongate wire extending at least in part through the catheter, the wire having a proximal end and a distal end;
a filter disposed at the distal end of the wire; and
a housing insert disposed within the housing, the housing insert having a distally disposed atraumatic tip.
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Accused Products
Abstract
A filter disposed at the distal end of an elongate guidewire. Catheters are provided for delivering the filter to, and retrieving the filter from, a treatment site. The catheters can be over-the-wire or single operator exchange. The catheters include a housing for receiving the filter therein. The housing has an atraumatic distal end.
385 Citations
30 Claims
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1. A filter assembly, comprising:
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a catheter including an elongate shaft having a proximal end and a distal end;
a housing disposed at the distal end of the elongate shaft;
an elongate wire extending at least in part through the catheter, the wire having a proximal end and a distal end;
a filter disposed at the distal end of the wire; and
a housing insert disposed within the housing, the housing insert having a distally disposed atraumatic tip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A filter assembly, comprising:
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a catheter including an elongate shaft having a proximal end and a distal end;
a housing disposed at the distal end of the elongate shaft;
an elongate wire extending at least in part through the catheter, the wire having a proximal end and a distal end;
a filter disposed at the distal end of the wire, the filter includes an expandable frame and a filter membrane; and
a housing insert disposed within the housing, the housing insert having a distally disposed atraumatic tip wherein the proximal end of the tip includes a friction ledge and the distal end of the tip is tapered. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification