Multilayer balloon for bifurcated stent delivery and methods of making and using the same
First Claim
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1. A catheter assembly comprising:
- at least one catheter shaft having a proximal end and a distal end; and
a multilayer expandable medical balloon, the multilayer expandable medical balloon comprising at least one continuous inner layer, the inner layer having an inner surface and an outer surface, and at least one outer layer, the at least one outer layer comprising a cavity which extends through the at least one outer layer, the at least one continuous inner layer comprising a polymer material having a first compliance and the at least one outer layer comprising a polymer material having a second compliance that is less than the first, the balloon having at least one unexpanded state and at least one expanded state, in the expanded state during use, the at least one continuous inner layer is exposed at the cavity.
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Abstract
An expandable medical balloon useful for treatment at a vessel bifurcation, the balloon having at least one expanded state, the balloon having at least one inner layer and at least one outer layer, the outer layer having at least one cavity therein through which the inner layer protrudes when the balloon is in its at least one expanded state, and methods of making and using the same.
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Citations
16 Claims
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1. A catheter assembly comprising:
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at least one catheter shaft having a proximal end and a distal end; and a multilayer expandable medical balloon, the multilayer expandable medical balloon comprising at least one continuous inner layer, the inner layer having an inner surface and an outer surface, and at least one outer layer, the at least one outer layer comprising a cavity which extends through the at least one outer layer, the at least one continuous inner layer comprising a polymer material having a first compliance and the at least one outer layer comprising a polymer material having a second compliance that is less than the first, the balloon having at least one unexpanded state and at least one expanded state, in the expanded state during use, the at least one continuous inner layer is exposed at the cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification