Systems, methods and devices for removing obstructions from a blood vessel
1 Assignment
0 Petitions
Accused Products
Abstract
Devices and methods for removing an obstruction from a blood vessel are described. The devices are deployed in a collapsed condition and are then expanded within the body. The devices are then manipulated to engage and remove the obstruction.
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Citations
42 Claims
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1-28. -28. (canceled)
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32. A device for removing an obstruction from a blood vessel, comprising:
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an elongate obstruction removing element; at least one strand extends alongside the elongate obstruction removing element; wherein the element is movable from a collapsed position to an expanded position, the element being naturally biased toward the expanded position, the element being in a collapsed and substantially straight configuration when in the collapsed position, the main element being rotated within the blood vessel to cause the strand to become entangled with the element at locations dependent upon permitted expansion of the element within the blood vessel. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39)
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40. An endovascular device for removing material from a blood vessel, comprising the steps of:
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providing a device having a main element and at least one flexible filament wrapped around the main element, the main element being naturally biased toward an expanded condition; positioning the device in a delivery catheter so that the element is held in a substantially straight configuration; moving the device outside the delivery catheter so that the device expands toward the expanded condition; rotating the main element relative to the flexible filament so that the flexible filament begins to unwind relative to the main element; and removing material from the blood vessel using the device. - View Dependent Claims (41)
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42-73. -73. (canceled)
Specification