Vascular device for emboli, thrombus and foreign body removal and methods of use
First Claim
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1. Apparatus suitable for filtering emboli or performing thrombectomy, embolectomy or foreign body removal, comprising:
- an elongated member having a distal region;
a first support hoop attached to the distal region, the first support hoop having an articulation region interposed between curved regions;
a blood permeable sac affixed to the first support hoop so that the first support hoop forms a mouth of the blood permeable sac;
wherein the apparatus has a deployed state, wherein the first support hoop engages an interior wall of a patient'"'"'s vessel, and a delivery state, wherein the apparatus has a contracted configuration to permit insertion within a delivery sheath; and
wherein the first support hoop is folded at the articulation region when the apparatus is in the delivery state.
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Abstract
Apparatus and methods are provided for use in filtering emboli from a vessel and/or performing thrombectomy and embolectomy, wherein a vascular device comprises one or more support hoops connected near a distal end of a guide wire, each support hoop having an articulation region, and a blood permeable sac affixed to the support hoop or hoops to form a mouth of the blood permeable sac. The mouth of the sac closes when the apparatus is collapsed for removal to prevent material from escaping from the sac.
273 Citations
69 Claims
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1. Apparatus suitable for filtering emboli or performing thrombectomy, embolectomy or foreign body removal, comprising:
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an elongated member having a distal region; a first support hoop attached to the distal region, the first support hoop having an articulation region interposed between curved regions; a blood permeable sac affixed to the first support hoop so that the first support hoop forms a mouth of the blood permeable sac; wherein the apparatus has a deployed state, wherein the first support hoop engages an interior wall of a patient'"'"'s vessel, and a delivery state, wherein the apparatus has a contracted configuration to permit insertion within a delivery sheath; and wherein the first support hoop is folded at the articulation region when the apparatus is in the delivery state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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Specification