Importance

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Abstract

Medical devices, for example, those that have balloons, and methods of making the devices are described. For example, in some embodiments, a medical device includes an elongated shaft, and an inflatable balloon carried by the shaft. The balloon includes a first recessed channel, a second recessed channel, a third recessed channel, and a fourth recessed channel, wherein the first recessed channel is spaced from the second recessed channel by a first distance, the third recessed channel is spaced from the fourth recessed channel by the first distance, and the second recessed channel is spaced from the third recessed channel by a second distance different than the first distance.

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First Claim