Obstruction Removal System
First Claim
Patent Images
1. An obstruction removal device comprising:
- a plurality of linked engaging members;
a proximal structure connected to at least one of said plurality of independent engaging members;
a sheath;
wherein said plurality of independent engaging members include a collapsed configuration when contained in said sheath and an expanded configuration when released from said sheath;
wherein each of said engaging members assumes said collapsed and expanded configurations independently of the other engaging members.
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Abstract
An obstruction removal device is described, having one or more engaging members which can engage portions of the clot. The one or more engaging members have a collapsed, delivery state, and an expanded, deployed state.
59 Citations
20 Claims
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1. An obstruction removal device comprising:
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a plurality of linked engaging members; a proximal structure connected to at least one of said plurality of independent engaging members; a sheath; wherein said plurality of independent engaging members include a collapsed configuration when contained in said sheath and an expanded configuration when released from said sheath; wherein each of said engaging members assumes said collapsed and expanded configurations independently of the other engaging members. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of removing an obstruction from a body lumen comprising:
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navigating a catheter to an obstruction in a body lumen containing an obstruction removal device therein, said obstruction removal device including a plurality of linked engaging members in a collapsed configuration; unsheathing said obstruction removal device thereby allowing a plurality of linked engaging members to assume an expanded configuration; retracting said obstruction removal device through said obstruction; resheathing said engaging members independently of distally adjacent engaging members; removing said obstruction removal device and said obstruction. - View Dependent Claims (9, 10, 11, 12)
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13. An obstruction removal device comprising:
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a plurality of self-expanding linked engaging members each able to rotate about a longitudinal axis independently of each other and each including; a distal end and a proximal end; a collapsed configuration in which said engaging member is contained within a sheath; an expanded configuration in which a body of said engaging member between said proximal and distal ends expands radially while said proximal and distal ends does not expand such that said engaging member assumes a bulbous shape. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification