Embolic protection filter having an improved filter frame
First Claim
Patent Images
1. An embolic protection filter assembly, comprising:
- a first frame member having a first shaft-engaging portion and a first mouth portion;
a second frame member having a second shaft-engaging portion and a second mouth portion;
wherein the first mouth portion and the second mouth portion define a filter mouth;
a filter material coupled to the first and second frame members adjacent the first and second mouth portions; and
an elongate shaft coupled to the first and second shaft-engaging portions and extending through the filter.
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Abstract
An embolic protection filter having an improved filter frame and method of making the same. In at least some embodiments, the present invention includes an embolic protection filter coupled to an elongate shaft. The filter may include a filter frame assembly having one or more frame members. The frame members may include a filter mouth defining portion.
144 Citations
36 Claims
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1. An embolic protection filter assembly, comprising:
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a first frame member having a first shaft-engaging portion and a first mouth portion;
a second frame member having a second shaft-engaging portion and a second mouth portion;
wherein the first mouth portion and the second mouth portion define a filter mouth;
a filter material coupled to the first and second frame members adjacent the first and second mouth portions; and
an elongate shaft coupled to the first and second shaft-engaging portions and extending through the filter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An embolic protection filter assembly, comprising:
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a first frame member having a first shaft-engaging portion and a first mouth portion, the first mouth portion include a proximal end and a distal end;
a second frame member having a second shaft-engaging portion and a second mouth portion, the first mouth portion include a proximal end and a distal end;
wherein the first mouth portion and the second mouth portion define a filter mouth;
a filter material coupled to the first and second frame members;
wherein a filtering portion of the filter material is coupled to and extends distally from the first and second mouth portions;
a first bridging portion of the filter material extending between the proximal end of the first mouth portion and the distal end of the second mouth portion;
a second bridging portion of the filter material extending between the proximal end of the second mouth portion and the distal end of the first mouth portion; and
an elongate shaft coupled to the first and second shaft-engaging portions. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. An embolic protection filter assembly, comprising:
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an elongate shaft having a longitudinal axis and a perpendicular axis;
a first frame member having a first shaft-engaging portion coupled to the shaft and a first semi-circular portion, the first semi-circular portion being semi-circular in shape and including a proximal end and a distal end;
a second frame member having a second shaft-engaging portion coupled to the shaft and a second semi-circular portion, the second semi-circular portion being semi-circular in shape and including a proximal end and a distal end;
wherein the first and second semi-circular portions are skewed at an angle relative to the perpendicular axis;
a filter material coupled to the first and second frame members;
a filtering portion of the filter material coupled to and extends distally from the first and second semi-circular portions;
a first bridging portion of the filter material extending between the proximal end of the first semi-circular portion and the distal end of the semi-circular mouth portion; and
a second bridging portion of the filter material extending between the proximal end of the second semi-circular portion and the distal end of the first semi-circular portion. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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Specification