US 11,877,735 B2
Tissue retraction device and delivery system
Danny Shu-Huan Lee, Framingham, MA (US); Paul Smith, Smithfield, RI (US); Ryan V. Wales, Northborough, MA (US); Jialiang Wang, Smithfield, RI (US); Niklas Andersson, Wayland, MA (US); Gregory Hurley, Windham, NH (US); Jon Taylor, Groton, MA (US); John Unger, Wrentham, MA (US); and Irina Pyataeva, Moscow (RU)
Assigned to BOSTON SCIENTIFIC SCIMED, INC., Maple Grove, MN (US)
Filed by BOSTON SCIENTIFIC SCIMED, INC., Maple Grove, MN (US)
Filed on Aug. 9, 2021, as Appl. No. 17/397,087.
Application 17/397,087 is a division of application No. 15/925,110, filed on Mar. 19, 2018, granted, now 11,109,850.
Claims priority of provisional application 62/506,780, filed on May 16, 2017.
Claims priority of provisional application 62/473,957, filed on Mar. 20, 2017.
Prior Publication US 2022/0000466 A1, Jan. 6, 2022
Int. Cl. A61B 17/02 (2006.01); A61B 17/00 (2006.01); A61B 1/32 (2006.01); A61B 90/00 (2016.01); A61B 1/018 (2006.01); A61B 17/122 (2006.01)
CPC A61B 17/0206 (2013.01) [A61B 17/0218 (2013.01); A61B 1/018 (2013.01); A61B 1/32 (2013.01); A61B 17/1227 (2013.01); A61B 2017/00004 (2013.01); A61B 2017/00778 (2013.01); A61B 2017/00818 (2013.01); A61B 2017/00862 (2013.01); A61B 2017/0287 (2013.01); A61B 2090/061 (2016.02); A61B 2090/0807 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A tissue retraction device, comprising:
a first engagement member having a first end and a second end;
a second engagement member having a first end and a second end;
a first tether disposed between the first engagement member and the second engagement member; and
an alignment member disposed over the first tether to prevent the first tether from bending or folding;
wherein at least one of the first engagement member or the second engagement member further includes a pair of gripping members.