Bifurcated stent

Details Bifurcated stent Bifurcated stent

2005-09-22

2008-11-18

Matthews, William H. (Department: 3774)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Bifurcated

Reexamination Certificate

active

07452372

ABSTRACT:
A stent for placement at a vessel bifurcation has an expanded configuration and an unexpanded configuration. The stent comprises a substantially tubular main body and a branch body. The branch body comprises at least one flexible member engaged to the main body. The flexible member comprises an expandable polymer which is actuatable between a high volume state and a low volume state. When in the high volume state the volume of the expandable polymer is greater than in the low volume state. Also, when the expandable polymer is actuated from the low volume state to the high volume state, the branch body is expanded from the unexpanded configuration to the expanded configuration. In the expanded configuration the branch body extends obliquely from the main body.

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