Endoluminal devices
First Claim
Patent Images
1. An endovascular device, comprising:
- a uni-body frame having a proximal end, a distal end and a longitudinal axis extending therebetween, said uni-body frame having at least two support members, at least two struts and at least two articulated segments, said uni-body frame circumscribing said axis and located at about the distal end;
wherein the at least two support members includes a first support member and at least one secondary support member, wherein the at least one secondary support member is spaced distally from and attached to said first support member, wherein one of the at least one secondary member defines the distal end of the uni-body frame;
wherein the at least two struts extend from the first support member towards said proximal end; and
wherein the at least two articulated segments are located to extend longitudinally between the first support member and the at least one secondary support member; and
a one piece filter media configured to collect embolic material is attached to the first support member, wherein the one piece filter media circumferentially covers said at least two support members circumscribing said axis; and
the distal end of the filter media is circumferentially disposed about a guidewire wherein the circumferentially disposed filter media further comprises at least one point of contact between the filter media and the guidewire, and a majority of the filter media extends beyond the distal end of the uni-body frame.
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Abstract
A seamless, self-expanding implantable device having a low profile is disclosed along with methods of making and using the same. The implantable device includes a frame cut out of a single piece of material that is formed into a three-dimensional shape. The implantable device may comprise an embolic filter, stent, or other implantable structure. The present invention also allows complicated frame structures to be easily formed from planar sheets of starting material, such as through laser cutting, stamping, photo-etching, or other cutting techniques.
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Citations
19 Claims
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1. An endovascular device, comprising:
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a uni-body frame having a proximal end, a distal end and a longitudinal axis extending therebetween, said uni-body frame having at least two support members, at least two struts and at least two articulated segments, said uni-body frame circumscribing said axis and located at about the distal end; wherein the at least two support members includes a first support member and at least one secondary support member, wherein the at least one secondary support member is spaced distally from and attached to said first support member, wherein one of the at least one secondary member defines the distal end of the uni-body frame; wherein the at least two struts extend from the first support member towards said proximal end; and wherein the at least two articulated segments are located to extend longitudinally between the first support member and the at least one secondary support member; and a one piece filter media configured to collect embolic material is attached to the first support member, wherein the one piece filter media circumferentially covers said at least two support members circumscribing said axis; and the distal end of the filter media is circumferentially disposed about a guidewire wherein the circumferentially disposed filter media further comprises at least one point of contact between the filter media and the guidewire, and a majority of the filter media extends beyond the distal end of the uni-body frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15)
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14. A device, comprising:
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a uni-body frame having a proximal end, a distal end and a longitudinal axis extending therebetween, said uni-body frame having at least two support members, a first set of struts, and at least two articulated segments, said uni-body frame circumscribing said axis; wherein the at least two support members includes a first support member and at least one secondary support member, wherein the at least one secondary support member is spaced distally from and attached to said first support member, wherein one of the at least one secondary member defines the distal end of the uni-body frame, wherein the at least two support members are capable of expanding to a substantially similar outside diameter in order to provide a seal region against a vessel wall; wherein the first set of struts extends from the first support member towards said proximal end; and wherein the at least two articulated segments are located to extend longitudinally between the first support member and the at least one secondary support member; and a filter media including a pharmaceutical substance, wherein the filter media is circumferentially attached to one of the at least two support members, wherein said filter media circumscribes said axis and is configured to collect embolic material, and wherein the distal end of the filter media extends distally beyond the uni-body frame and is circumferentially disposed about a guidewire, wherein the circumferentially disposed filter media further comprises at least one point of contact between the filter media and the guidewire. - View Dependent Claims (16, 17, 18, 19)
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Specification