Embolic protection device
First Claim
Patent Images
1. An embolic protection device for use in a vessel, the embolic protection device comprising:
- a basket having a first end and a second end, a longitudinal axis of the basket extending between the first end and second end, a middle portion of the basket being located between the first end and second end, the basket including a plurality of struts, the plurality of struts extending at least substantially perpendicular to the longitudinal axis along the middle portion of the basket; and
a filter portion attached to the plurality of struts and extending between the middle portion and the second end of the basket.
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Abstract
An embolic protection device includes a basket formed from flexible struts. The struts extend from a first end of the basket to the second end of the basket. The struts form a middle portion of the basket where the struts extend substantially perpendicular to a longitudinal axis, running between the first and second end of the basket.
112 Citations
20 Claims
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1. An embolic protection device for use in a vessel, the embolic protection device comprising:
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a basket having a first end and a second end, a longitudinal axis of the basket extending between the first end and second end, a middle portion of the basket being located between the first end and second end, the basket including a plurality of struts, the plurality of struts extending at least substantially perpendicular to the longitudinal axis along the middle portion of the basket; and
a filter portion attached to the plurality of struts and extending between the middle portion and the second end of the basket. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An embolic protection device for use in a vessel, the embolic protection device comprising:
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a basket having a first end and a second end, a longitudinal axis of the basket extending between the first and second end, a middle portion of the basket being located between the first end and second end, the basket including a plurality of struts, the plurality of struts extending from a first end of the basket to a middle portion of the basket, the plurality of struts extending substantially perpendicular to the longitudinal axis along the middle portion of the basket;
a filter portion attached to the plurality of struts and extending between the middle portion and the second end of the basket; and
a core wire extending between the first end and the second end wherein the plurality of struts are spirally wound at the first end of the basket forming a lumen, the wire core extending through the lumen; and
wherein the plurality of struts extend helically between the first and second end of the basket, and the middle portion of the basket is biased to provide a radial force sealing the filter portion against an inner wall of the vessel.
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20. An embolic protection assembly for capturing emboli during treatment of a stenotic lesion in a body vessel, the assembly comprising:
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a balloon catheter having a tubular body portion and an expandable balloon attached to and in fluid communication with the tubular body portion for angioplasty at the stenotic lesion, the expandable balloon having distal and proximal portions; and
an embolic protection device coaxially disposed within the balloon catheter during treatment of the stenotic lesion in the body vessel, the device comprising;
a basket having a first end and a second end, a longitudinal axis of the basket extending between the first and second end, a middle portion of the basket being located between the first end and second end, the basket including a plurality of struts, the plurality of struts extending at least substantially perpendicular to the longitudinal axis along the middle portion of the basket; and
a filter portion attached to the struts and extending between the middle portion and the second end of the basket.
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Specification