Systems and methods for deploying a portion of a stent using an auger-style device
First Claim
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1. A method for deploying at least a portion of a stent, the method comprising:
- providing a cannula having an outer surface, and an auger having a plurality of turns coupled to the outer surface of the cannula;
positioning a portion of a stent within a valley of the auger in a delivery state; and
rotating the cannula and the auger to advance the portion of the stent in a predetermined longitudinal direction,wherein less than a full length of the stent is moved longitudinally by the auger throughout deployment of the stent.
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Abstract
The present embodiments provide systems and methods for deploying at least a portion of a stent. In one embodiment, the system comprises a cannula having an outer surface, and an auger having a plurality of turns coupled to the outer surface of the cannula. A stent has a portion dimensioned to be disposed within a valley of the auger. Rotation of the cannula and the auger advances the portion of the stent in a predetermined longitudinal direction.
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Citations
17 Claims
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1. A method for deploying at least a portion of a stent, the method comprising:
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providing a cannula having an outer surface, and an auger having a plurality of turns coupled to the outer surface of the cannula; positioning a portion of a stent within a valley of the auger in a delivery state; and rotating the cannula and the auger to advance the portion of the stent in a predetermined longitudinal direction, wherein less than a full length of the stent is moved longitudinally by the auger throughout deployment of the stent. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for deploying at least a portion of a stent, the method comprising:
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providing a cannula having an outer surface, and an auger having a plurality of turns coupled to the outer surface of the cannula; positioning a portion of a stent within a valley of the auger in a delivery state; and rotating the cannula and the auger to advance the portion of the stent in a predetermined longitudinal direction, wherein part of the stent is advanced by the auger while part of the stent is held steady, wherein the stent comprises a shape that is other than a coil shape. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for deploying at least a portion of a stent, the method comprising:
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providing a cannula having an outer surface, and an auger having a plurality of turns coupled to the outer surface of the cannula; positioning a portion of a stent within a valley of the auger in a delivery state; rotating the cannula and the auger to advance the portion of the stent in a predetermined longitudinal direction; and providing an enclosure that encircles the auger, where the enclosure comprises a plurality of struts separated by a plurality of slots, where the portion of the stent extends through one of the plurality of slots in the delivery state. - View Dependent Claims (14, 15, 16, 17)
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Specification