US 12,213,672 B2
Clip device for endoscope
Masaru Yuasa, Hachioji (JP); Yoshitsugu Uekusa, Hachioji (JP); Shinya Ansai, Hachioji (JP); Takushi Haramaki, Hachioji (JP); and Shogo Shindo, Koganei (JP)
Assigned to Olympus Medical Systems Corp., Tokyo (JP)
Filed by OLYMPUS MEDICAL SYSTEMS CORP., Tokyo (JP)
Filed on Feb. 10, 2022, as Appl. No. 17/668,457.
Claims priority of provisional application 63/148,655, filed on Feb. 12, 2021.
Prior Publication US 2022/0265274 A1, Aug. 25, 2022
Int. Cl. A61B 17/08 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/083 (2013.01) [A61B 17/00234 (2013.01); A61B 2017/088 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A clip device, comprising:
a sheath;
a plurality of clip arms movable between a first configuration in which the plurality of clip arms are opened to receive a target tissue, and a second configuration, in which the plurality of clip arms are closed to grip the target tissue;
locking mechanisms respectively provided on the plurality of clip arms to engage one another for maintaining the second configuration; and
a restraining mechanism configured to be associated with the locking mechanisms to prevent the target tissue from being pinched between the locking mechanisms,
wherein the restraining mechanism includes a first restraining member and a second restraining member, distal end portions of which are respectively positioned more distally than the locking mechanisms, and
wherein, in the second configuration, the first restraining member and the second restraining member contact each other and extend distally to push the target tissue away from the locking mechanisms.