Embolectomy Catheter
First Claim
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1. A catheter comprising:
- a catheter body having an inner lumen, an outer lumen, and a plurality of recesses disposed along said catheter body, wherein each recess includes at least one opening to said inner lumen, and wherein said inner lumen and outer lumen are sealed from each other; and
a plurality of expandable members disposed along said catheter body in fluid communication with said outer lumen, wherein each expandable member has an expanded position and a contracted position, and wherein each expandable member in said contracted position fits within one of said plurality of recesses.
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Abstract
A novel catheter and methods for using the same are described herein. Embodiments of the catheter utilize sets of expandable members which collapse into recesses which are part of the catheter body. The recesses provide the catheter body with a low profile for insertion of the catheter into small blood vessels In addition, the recesses may comprise openings for capturing emboli and clots by suction
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Citations
32 Claims
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1. A catheter comprising:
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a catheter body having an inner lumen, an outer lumen, and a plurality of recesses disposed along said catheter body, wherein each recess includes at least one opening to said inner lumen, and wherein said inner lumen and outer lumen are sealed from each other; and a plurality of expandable members disposed along said catheter body in fluid communication with said outer lumen, wherein each expandable member has an expanded position and a contracted position, and wherein each expandable member in said contracted position fits within one of said plurality of recesses. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 23, 25, 26, 27, 28, 29)
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21. A device for removal of an embolus from a vessel comprising:
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a guiding catheter; a catheter slidably disposed within said guiding catheter, said catheter having an inner lumen, a plurality of radially expandable members disposed axially along said catheter, and a plurality of recesses, wherein each recess corresponds to one of said plurality of expandable members, and each recess has at least one opening in fluid communication with said inner lumen.
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24. A method of removing at least a portion of an embolus from a vessel comprising:
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providing a catheter comprising an inner lumen, an outer lumen, a plurality of radially expandable members in fluid communication with the outer lumen, and a plurality of recesses disposed along the catheter, wherein each recess includes at least one opening to the inner lumen; inserting the catheter into the vessel, wherein the plurality of members are in a contracted position within the plurality of recesses; expanding said plurality of members to engage the embolus between each member; contracting said plurality of members to capture at least a portion of the embolus in between each recess and each member; and withdrawing the catheter from the vessel to remove the embolus. - View Dependent Claims (30, 31, 32)
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Specification