Methods and devices for maintaining patency of surgically created channels in a body organ
First Claim
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1. An implant for maintaining an opening in a wall of a body organ, the implant having a delivery state and an expanded state, the implant comprising:
- a support member where at least a first portion of the support member comprises a plurality of control segments folded in a curvilinear shape, upon assuming the expanded state the control segments unfold and are located circumferentially about the support member to limit expansion of the first portion of the support member, where the support member has at least a second portion unconstrained to expand beyond the first portion such that upon expansion the support member is non-cylindrical; and
a composition located on the support member and comprising an antiproliferative agent.
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Accused Products
Abstract
This is directed to methods and devices suited for maintaining an opening in a wall of a body organ for an extended period. More particularly devices and methods are directed maintaining patency of channels that alter gaseous flow within a lung to improve the expiration cycle of, for instance, an individual having chronic obstructive pulmonary disease.
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Citations
32 Claims
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1. An implant for maintaining an opening in a wall of a body organ, the implant having a delivery state and an expanded state, the implant comprising:
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a support member where at least a first portion of the support member comprises a plurality of control segments folded in a curvilinear shape, upon assuming the expanded state the control segments unfold and are located circumferentially about the support member to limit expansion of the first portion of the support member, where the support member has at least a second portion unconstrained to expand beyond the first portion such that upon expansion the support member is non-cylindrical; and
a composition located on the support member and comprising an antiproliferative agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification