US 12,108,962 B2
Endoscopic treatment device
Yusuke Shiota, Machida (JP); Chika Miyajima, Hachioji (JP); Hiromasa Kato, Tokyo (JP); Kotaro Yamada, Tachikawa (JP); and Tomohiro Tsuji, Hino (JP)
Assigned to OLYMPUS MEDICAL SYSTEMS CORP., Tokyo (JP)
Filed by OLYMPUS MEDICAL SYSTEMS CORP., Hachioji (JP)
Filed on Jan. 27, 2022, as Appl. No. 17/586,336.
Claims priority of provisional application 63/143,141, filed on Jan. 29, 2021.
Prior Publication US 2022/0240960 A1, Aug. 4, 2022
Int. Cl. A61B 17/29 (2006.01); A61B 17/00 (2006.01); A61B 17/32 (2006.01); A61B 18/00 (2006.01); A61B 18/12 (2006.01); A61B 18/14 (2006.01)
CPC A61B 17/29 (2013.01) [A61B 18/14 (2013.01); A61B 2017/00269 (2013.01); A61B 2017/0034 (2013.01); A61B 2017/2939 (2013.01); A61B 2017/2948 (2013.01); A61B 2017/320084 (2013.01); A61B 2018/00488 (2013.01); A61B 2018/00494 (2013.01); A61B 2018/00982 (2013.01); A61B 2018/1253 (2013.01); A61B 2018/1425 (2013.01); A61B 2217/007 (2013.01); A61B 2218/002 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An endoscopic treatment device comprising:
a sheath;
a passage member attached to a distal end portion of the sheath;
a pair of forceps pieces supported by the passage member;
a link mechanism connected to the pair of forceps pieces and configured to open and close the pair of forceps pieces;
an operation wire extending in the sheath; and
a connector configured to connect a proximal end arm of the link mechanism and the operation wire,
wherein:
the passage member includes:
a first hole through which the proximal end arm of the link mechanism is inserted; and
an exterior surface configured to form a second hole as a gap between a distal cover of the sheath and the exterior surface, and
when the pair of forceps pieces are closed, the proximal end arm comes into contact with the passage member.