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 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.