Balloon perfusion catheter
First Claim
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1. A dilation catheter, comprising:
- (a) a flexible elongated shaft having a first lumen longitudinally extending therewithin and a second lumen longitudinally extending therewithin;
(b) a perfusion shaft outwardly extending from and in communication with the first lumen;
(c) a balloon circumscribing the perfusion shaft, the perfusion shaft having a plurality of openings proximal and distal to the balloon; and
(d) an inflation shaft outwardly extending from and in communication with the second lumen, the perfusion shaft for at least a portion of its length being physically separate from the inflation shaft.
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Abstract
Balloon perfusion catheter having a flexible elongated shaft from which a perfusion shaft and an inflation shaft outwardly extend. An angioplasty balloon is circumferentially mounted around the perfusion shaft. The inflation shaft distal end is located at the balloon proximal end. Openings in the perfusion shaft both proximal and distal to the balloon permit blood flow through artery during balloon inflation.
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Citations
17 Claims
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1. A dilation catheter, comprising:
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(a) a flexible elongated shaft having a first lumen longitudinally extending therewithin and a second lumen longitudinally extending therewithin; (b) a perfusion shaft outwardly extending from and in communication with the first lumen; (c) a balloon circumscribing the perfusion shaft, the perfusion shaft having a plurality of openings proximal and distal to the balloon; and (d) an inflation shaft outwardly extending from and in communication with the second lumen, the perfusion shaft for at least a portion of its length being physically separate from the inflation shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification