Catheter including a compliant balloon
First Claim
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1. A medical device comprising:
- a metallic hypotube including a proximal end, a distal end, and a length and a lumen extending therethrough, the metallic hypotube having an outer surface and an inner surface defining a wall therebetween, wherein the metallic hypotube includes a plurality of apertures extending through the wall along at least a portion of the length; and
a polymer layer disposed about at least a portion of the metallic hypotube, wherein at least a portion of the plurality of apertures are obstructed by the polymer layer, a distal portion of the metallic hypotube having one or more of the plurality of apertures unobstructed by the polymer coating.
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Abstract
A catheter having an elongate shaft including a plurality of apertures disposed along at least a length of the shaft to facilitate bending. The catheter includes an inflatable balloon, wherein a subset of the plurality of apertures provides fluid communication from an inflation lumen to the inflatable balloon.
269 Citations
20 Claims
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1. A medical device comprising:
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a metallic hypotube including a proximal end, a distal end, and a length and a lumen extending therethrough, the metallic hypotube having an outer surface and an inner surface defining a wall therebetween, wherein the metallic hypotube includes a plurality of apertures extending through the wall along at least a portion of the length; and a polymer layer disposed about at least a portion of the metallic hypotube, wherein at least a portion of the plurality of apertures are obstructed by the polymer layer, a distal portion of the metallic hypotube having one or more of the plurality of apertures unobstructed by the polymer coating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A medical device comprising:
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an elongate shaft having a proximal end, a distal end, a length and a lumen extending therethrough, the elongate shaft including a plurality of apertures along at least a portion of the length; a polymer layer disposed about at least a portion of the elongate shaft, the polymer layer fluidly sealing at least a portion of the plurality of apertures, wherein a distal portion of the elongate shaft including at least one of the plurality of apertures is free of the polymer layer, and wherein a proximal portion of the elongate shaft including at least one of the plurality of apertures is free of the polymer layer; a balloon disposed about the distal portion of the elongate shaft including the at least one of the plurality of apertures that is free of the polymer layer; and a hub assembly including an inflation port, the hub assembly disposed about the proximal portion of the elongate shaft including the at least one of the plurality of apertures that is free of the polymer layer. - View Dependent Claims (15, 16, 17, 18)
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19. A medical device comprising:
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an elongate shaft including a metallic tube having a proximal end, a distal end and a lumen extending therethrough, the metallic tube having an inner surface and an outer surface defining a wall therebetween, wherein the metallic tube includes a plurality of micromachined apertures to facilitate bending of the metallic tube, the plurality of apertures extending through the wall of at least a portion of a proximal section, an intermediate section, and a distal section of the tubular member, a polymer layer disposed about at least the intermediate section of the metallic tube, wherein the polymer layer fluidly seals the plurality of apertures in at least the intermediate section of the metallic tube, at least one of the plurality of apertures in the proximal section and the distal section being free of the polymer layer; and a hydrophilic coating disposed over at least a portion of the polymer layer. - View Dependent Claims (20)
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Specification