Intravascular filtering membrane and method of making an embolic protection filter device
First Claim
Patent Images
1. An embolic protection filter, comprising:
- a flexible hoop; and
a filtering membrane melt-bonded to the flexible hoop at a first end.
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Accused Products
Abstract
An embolic protection filter device having a filtering membrane, an integrally formed waist, and a flexible hoop affixed to the filtering membrane by melt bonding. A method of making filtering membranes for an embolic protection filter device comprising blow molding the filtering membranes. A method of making an embolic protection filter device comprising blow molding a filtering membrane and simultaneously melt bonding a flexible hoop to the filtering membrane.
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Citations
41 Claims
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1. An embolic protection filter, comprising:
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a flexible hoop; and
a filtering membrane melt-bonded to the flexible hoop at a first end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An embolic protection filter, comprising:
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a flexible hoop;
a filtering membrane having a first end and a second end and a lumen extending therebetween, the filtering membrane disposed on the wire frame at the first end, and the filtering membrane being movable between an expanded position and a collapsed position; and
a waist integrally formed with the filtering membrane at the second end, the waist having a first end, a second end and a lumen extending therebetween. - View Dependent Claims (13, 14, 15, 16)
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17. A method of manufacturing a filter, the method comprising the steps of:
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providing a moldable tube having an outer surface and an inner surface;
providing a blow molding apparatus;
positioning the moldable tube in the blow molding apparatus;
blow molding the tube to form a membrane movable between a first expanded position and a second contracted position; and
forming a plurality of holes in the membrane to form a filtering membrane. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method of making two filters concurrently, the steps comprising:
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providing a moldable tube having an inner surface and an outer surface;
providing a blow molding apparatus;
positioning the moldable tube in the blow molding apparatus;
blow molding the tube to form a membrane;
forming a plurality of holes in the membrane to form a porous membrane; and
removing excess material from the porous membrane to form a first filtering membrane and a second filtering membrane. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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Specification