US 10,888,444 B2
Esophageal stent including a valve member
Martin Coyne, Galway (IE); Niall Feeney, Galway (IE); James Byrne, Galway (IE); Harshad Holehonnur, Galway (IE); and Jonathan Dolan, Galway (IE)
Assigned to BOSTON SCIENTIFIC SCIMED, INC., Maple Grove, MN (US)
Filed by BOSTON SCIENTIFIC SCIMED, INC., Maple Grove, MN (US)
Filed on Oct. 31, 2018, as Appl. No. 16/176,451.
Claims priority of provisional application 62/579,990, filed on Nov. 1, 2017.
Prior Publication US 2019/0125558 A1, May 2, 2019
Int. Cl. A61F 2/90 (2013.01); B29D 23/00 (2006.01); A61F 2/24 (2006.01); A61F 2/04 (2013.01); A61L 27/36 (2006.01)
CPC A61F 2/90 (2013.01) [A61F 2/04 (2013.01); A61F 2/2412 (2013.01); A61F 2/2418 (2013.01); B29D 23/00 (2013.01); A61F 2002/044 (2013.01); A61F 2210/0076 (2013.01); A61F 2230/0008 (2013.01); A61F 2240/001 (2013.01); A61F 2250/0039 (2013.01); A61F 2250/0069 (2013.01); A61L 27/3679 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An expandable stent, comprising:
a tubular scaffold formed of one or more interwoven filaments, the tubular scaffold including an inner surface; and
a flexible valve extending radially inward from the inner surface of the scaffold;
wherein the valve is configured to shift between a closed configuration and an open configuration;
wherein the one or more filaments of the scaffold bias the valve to the closed configuration while in a nominally deployed state,
wherein the tubular scaffold includes a first tapered region and a second tapered region, and wherein the valve is positioned between the first tapered region and the second tapered region.