ICA angioplasty with cerebral protection
First Claim
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1. A method of performing an operation including angioplasty of the internal carotid artery comprising the following steps:
- (a) blocking flow in the common carotid artery, thus causing retrograde blood flow in the internal carotid artery;
(b) blocking flow in the internal carotid artery, distal of a stenosis;
(c) performing angioplasty on the stenosis;
(d) unblocking flow in the internal carotid artery, thus allowing retrograde blood flow in the internal carotid artery into the external carotid artery; and
(e) unblocking flow in the common carotid artery.
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Abstract
A method of performing an operation including angioplasty of the internal carotid artery which includes blocking blood flow in the internal carotid artery, performing the angioplasty while the blood flow is blocked in the internal carotid artery, and reversing flow in the internal carotid artery after the angioplasty has been performed to wash material loosened during the angioplasty out of the internal carotid artery. Normal flow in the internal carotid artery is restored after the loosened material is washed out of the internal carotid artery.
271 Citations
1 Claim
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1. A method of performing an operation including angioplasty of the internal carotid artery comprising the following steps:
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(a) blocking flow in the common carotid artery, thus causing retrograde blood flow in the internal carotid artery;
(b) blocking flow in the internal carotid artery, distal of a stenosis;
(c) performing angioplasty on the stenosis;
(d) unblocking flow in the internal carotid artery, thus allowing retrograde blood flow in the internal carotid artery into the external carotid artery; and
(e) unblocking flow in the common carotid artery.
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Specification
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Current AssigneeW. L. Gore & Associates (W.L. Gore & Associates)
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Original AssigneeArteria Medical Science, Inc.
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InventorsConnors, John J. III
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Primary Examiner(s)NGUYEN, DINH X
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Application NumberUS09/018,365Time in Patent Office1,336 DaysField of Search128/898, 623/1, 623/11, 623/66, 604/53, 604/52, 604/54, 604/49, 604/48, 604/93, 604/96-104, 600/18, 606/191US Class Current128/898CPC Class CodesA61B 17/22 Implements for squeezing-of...A61B 2017/22001 Angioplasty, e.g. PCTAA61B 2017/22054 with two balloons
