Embolus extractor
First Claim
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1. An embolus extractor, comprising:
- an elongate shaft having a proximal end and a distal end;
first and second struts, each strut having a proximal end and a distal end coupled to the distal end of the shaft; and
the struts having a first position and a second position, wherein in the first position, the distal ends and the proximal ends of the struts are spaced at a first distance, and in the second position the distal ends and the proximal ends of the struts are spaced at a second distance, the second distance being less than the first distance.
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Abstract
An embolus extractor including elongate shaft having a proximal end and a distal end. The embolus extractor may include first and second struts coupled to the distal end of the shaft. The struts may define a proximally disposed mouth.
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Citations
29 Claims
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1. An embolus extractor, comprising:
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an elongate shaft having a proximal end and a distal end;
first and second struts, each strut having a proximal end and a distal end coupled to the distal end of the shaft; and
the struts having a first position and a second position, wherein in the first position, the distal ends and the proximal ends of the struts are spaced at a first distance, and in the second position the distal ends and the proximal ends of the struts are spaced at a second distance, the second distance being less than the first distance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An embolus extractor, comprising:
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an elongate shaft having a proximal end and a distal end;
a first strut having a proximal end and a distal end, the proximal end of the strut being coupled to the shaft; and
the strut having a first position and a second position, wherein in the first position, the distal end and the proximal end of the strut are spaced at a first distance, and in the second position, the distal end and the proximal end of the strut are spaced at a second distance being less than the first distance. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of withdrawing an embolus extractor, comprising the steps of:
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providing an embolus extractor having elongate shaft, having a proximal end and a distal end and a plurarity of struts disposed at the distal end of the elongate shaft, the struts and at least a portion of the elongate shaft being disposed in a patient'"'"'s vasculature, an embolus contained by the strut;
providing a micro catheter having a distal end;
advancing the micro catheter over at least a portion of the elongate shaft;
collapsing the struts at least in part at the distal end of the micro catheter; and
moving the micro catheter and embolus extractor together proximally. - View Dependent Claims (29)
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Specification