ACCESS AND CLOSURE DEVICE AND METHOD
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Accused Products
Abstract
Devices and methods for accessing and closing vascular sites are disclosed. Self-sealing closure devices and methods are disclosed. A device that can make both steeply sloping and flat access paths into a vascular lumen is disclosed. The device can also form arteriotomies with sections cleaved between a vessel'"'"'s intima and adventitia. Methods for using the device are also disclosed.
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Citations
63 Claims
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1-25. -25. (canceled)
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26. A device for forming a tract through tissue comprising:
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a delivery guide; an anchor coupled to the delivery guide and extending distally therefrom, the anchor comprising first, second, and third elongated portions, a first curved portion between the first and second elongated portions, and a second curved portion between the second and third elongated portions; and an introduction device slidably housed within the delivery guide and deployable from the delivery guide through an opening in the delivery guide. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. A method for forming a tract in a tissue wall having an interior surface and an exterior surface, the method comprising:
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advancing an anchor through the tissue wall, the anchor comprising first, second, and third elongated portions, a first curved portion between the first and second elongated portions, and a second curved portion between the second and third elongated portions; contacting the anchor with the interior surface of the tissue wall; and advancing an introduction device into the tissue wall while the anchor is in contact with the interior surface of the tissue wall, to form a tract in the tissue wall. - View Dependent Claims (51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63)
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Specification