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 blood permeable sac has a length;
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;
wherein the blood permeable sac is affixed to the elongated member along a majority of the length of the blood permeable sac.
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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.
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Citations
45 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 blood permeable sac has a length; 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; wherein the blood permeable sac is affixed to the elongated member along a majority of the length of the blood permeable sac. - 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)
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41. An embolic protection filtering device, comprising:
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a solid elongate shaft having a proximal region and a distal region; a filter affixed directly to the shaft adjacent the distal region; a nose assembly affixed to the solid shaft adjacent the filter, the nose assembly having a lumen extending therethrough; and a guidewire slidably disposed within the lumen of the nose assembly. - View Dependent Claims (42, 43)
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44. A medical device, comprising:
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an elongate solid filter wire having a proximal region and a distal region; a filter coupled to the filter wire adjacent the distal region; a nose assembly coupled to the filter wire adjacent the distal region and distally spaced apart from the filter; and a guidewire slidably disposed within a lumen of the nose assembly.
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45. A medical device, comprising:
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an elongate filter wire having a proximal region and a distal region; a filter coupled to the filter wire adjacent the distal region, the filter including a blood permeable sac; a nose assembly coupled to the filter wire adjacent the distal region and distally of the filter; and a guidewire slidably disposed within a lumen of the nose assembly, wherein the guidewire extends adjacent to and generally parallel with the filter wire and wherein the guidewire and the filter wire are not concentrically arranged.
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Specification