Embolic protection system
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Accused Products
Abstract
An embolic protection system 1 comprises a guidewire 99 for advancing through a vasculature, the guidewire 99 having a distal end and a proximal end; an embolic protection filter 1 having a filter body 41 with a distal end and a proximal end, the filter body 41 providing for a collapsed configuration and an expanded deployed configuration. The embolic protection filter body 41 has a guidewire path for slidably receiving the guidewire 99 to permit movement of the filter 1 relative to the guidewire 99 when the filter 1 is in the collapsed configuration and the expanded deployed configuration. A delivery catheter 2 is advanceable over the guidewire 99 for delivery of the embolic protection filter 1; the delivery catheter 2 having a proximal end and a distal end. The filter 1 is deployed from the distal end of the delivery catheter 2 into the expanded deployed configuration. A retrieval catheter 3 is also advancable over the guidewire 99 for retrieval of the filter 1, the retrieval catheter 3 having a distal end and a proximal end; and engagement elements for engaging the embolic protection filter 1 with the guidewire 99 for retrieval of the filter 1 into the retrieval catheter 3 in the collapsed configuration.
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Citations
90 Claims
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1-67. -67. (canceled)
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68. Apparatus for filtering emboli from blood flowing through a vessel, the apparatus comprising:
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a guide wire having proximal and distal regions, and proximal and distal stops on the distal region; and
a filter element configured to rotate and translate on the guide wire between the proximal and distal stops, wherein the filter element and the proximal stop are configured to permit advancement of the filter element from the proximal region by passing in vivo over the proximal stop, the proximal stop thereafter prohibiting proximal retraction of the filter element over the proximal stop. - View Dependent Claims (69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82)
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83. A method for filtering emboli from blood flowing through a vessel, the method comprising:
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providing apparatus comprising a guide wire having a distal region including a distal stop, a proximal stop disposed proximal of the distal stop, and a filter element disposed for-translation on the guide wire;
transluminally inserting the guide wire into a vessel;
distally advancing the filter element in a contracted state over the proximal stop; and
deploying the filter element, distal of the proximal stop and proximal of the distal stop, to engage a wall of the vessel and filter emboli out of blood flowing through the vessel. - View Dependent Claims (84, 85, 86, 87, 88, 89)
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90. A method for filtering emboli from blood flowing through a vessel, the method comprising:
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providing apparatus comprising a guide wire having a distal region including a distal stop, a proximal stop disposed proximal of the distal stop, and a filter element disposed for translation on the guide wire, the filter element and proximal stop being configured to prohibit proximal retraction of the filter element over the proximal stop;
transluminally inserting the guide wire into a vessel;
distally advancing the filter element in a contracted state over the proximal stop; and
deploying the filter element, distal of the proximal stop and proximal of the distal stop, to engage a wall of the vessel and filter emboli out of blood flowing through the vessel.
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Specification