Systems, methods and devices for removing obstructions from a blood vessel
First Claim
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1. A method of removing an obstruction from a patient, comprising the steps of:
- providing an obstruction removing device having an obstruction engaging portion movable from a collapsed position to an expanded position, the obstruction removing device also having a releasable connection;
introducing the obstruction removing device into a patient in the collapsed position;
engaging an obstruction with the obstruction engaging portion, the releasable connection being intact during the engaging step;
releasing the releasable connection of the obstruction engaging device after the engaging step, the releasing step releasing a connection in the obstruction removing device thereby reducing the number of interconnections in the device.
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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.
42 Citations
24 Claims
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1. A method of removing an obstruction from a patient, comprising the steps of:
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providing an obstruction removing device having an obstruction engaging portion movable from a collapsed position to an expanded position, the obstruction removing device also having a releasable connection; introducing the obstruction removing device into a patient in the collapsed position; engaging an obstruction with the obstruction engaging portion, the releasable connection being intact during the engaging step; releasing the releasable connection of the obstruction engaging device after the engaging step, the releasing step releasing a connection in the obstruction removing device thereby reducing the number of interconnections in the device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An obstruction removing device, comprising:
- an obstruction engaging portion movable from a collapsed position to an expanded position, the obstruction removing device also having a releasable connection which is selectively releasable by the user, the releasable connection being used to change a characteristic of the device inside the patient, the releasable connection releasing a connection thereby reducing the number of interconnections in the device.
- View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An obstruction removing device, comprising:
- an obstruction engaging portion movable from a collapsed position to an expanded position, the obstruction removing device also having a plurality of releasable connections which are each selectively releasable by the user, the releasable connection being used to change a characteristic of the device inside the patient, each of the releasable connections releasing at least one connection thereby reducing the number of interconnections in the device.
Specification