THROMBECTOMY APPARATUS AND METHOD
First Claim
Patent Images
1. A thrombectomy system comprising:
- an elongate shaft defining a high pressure lumen and a low pressure lumen,the high pressure lumen terminating near an end of the low pressure lumen; and
an expandable capture basket disposed proximate the end of the low pressure lumen.
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Abstract
A thrombectomy system may include an elongate shaft that defines a high pressure lumen and a low pressure lumen. The high pressure lumen may terminate near an end of the low pressure lumen. An expandable capture basket may be disposed near the end of the low pressure lumen. A thrombectomy apparatus may include an elongate shaft, an evacuation lumen extending within the elongate shaft and a high pressure lumen extending within the elongate shaft. A capture apparatus may be disposed within a wire lumen that extends within the elongate shaft such that the capture apparatus extends distally from the wire lumen.
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Citations
50 Claims
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1. A thrombectomy system comprising:
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an elongate shaft defining a high pressure lumen and a low pressure lumen, the high pressure lumen terminating near an end of the low pressure lumen; and an expandable capture basket disposed proximate the end of the low pressure lumen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 42)
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15. A thrombectomy apparatus comprising:
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an elongate shaft having a distal region defining a distal end; an evacuation lumen extending within the elongate shaft; a high pressure lumen extending within the elongate shaft; a wire lumen extending within the elongate shaft; and a capture apparatus disposed within the wire lumen and extending distally therefrom. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 43, 44, 45, 46, 47, 48, 49, 50)
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29. An assembly comprising:
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a first catheter shaft segment comprising a suction lumen and a high pressure lumen; and a second catheter shaft segment comprising a wire lumen and a capture apparatus disposed at least partially within the wire lumen. - View Dependent Claims (30, 31)
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32. A method of removing thrombi from within a vessel, the method comprising steps of:
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capturing thrombi within a capture apparatus; disrupting the captured thrombi with a high pressure jet; and suctioning the disrupted thrombi out of the vessel. - View Dependent Claims (33, 34)
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35. A method of removing thrombi, the method comprising the steps of:
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providing a thrombectomy apparatus comprising an elongate shaft defining a high pressure lumen and a low pressure lumen, the high pressure lumen terminating near an end of the low pressure lumen, and an expandable capture basket disposed generally adjacent the end of the low pressure lumen; advancing the thrombectomy apparatus to a desired location within a patient'"'"'s vasculature; expanding the expandable capture basket; capturing thrombi within the expandable capture basket; providing a high pressure fluid source via the high pressure lumen to break apart the captured thrombi; and providing suction to the low pressure lumen to evacuate the broken apart thrombi.
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36. A thrombectomy system comprising:
an elongate shaft defining a high pressure lumen and a low pressure lumen, the high pressure lumen terminating near the distal end of the low pressure lumen, wherein the high pressure lumen terminates in an distal opening directed generally between perpendicular to the axis of the low pressure lumen and axially within the low pressure lumen in the proximal direction. - View Dependent Claims (37, 38, 39, 40)
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41. A method of removing thrombi, the method comprising the steps of:
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providing a thrombectomy apparatus comprising an elongate shaft defining a high pressure lumen and a low pressure lumen, the high pressure lumen terminating near an end of the low pressure lumen; advancing the thrombectomy apparatus to a desired location within a patient'"'"'s vasculature; providing a high pressure fluid source via the high pressure lumen to break apart the captured thrombi; and providing suction to the low pressure lumen to evacuate the broken apart thrombi.
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Specification