US 12,004,738 B2
Needle holder and method of using same
Masatoshi Sato, Tokyo (JP); Hiroyuki Morishita, Tokyo (JP); Keisei Shimoda, Tokyo (JP); Takayuki Hatanaka, Hirosaki (JP); Masaya Ota, Yokohama (JP); and Kei Matsuoka, Tokyo (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Hachioji (JP)
Filed on Sep. 16, 2020, as Appl. No. 17/022,944.
Application 17/022,944 is a continuation of application No. PCT/JP2018/011352, filed on Mar. 22, 2018.
Prior Publication US 2020/0405289 A1, Dec. 31, 2020
Int. Cl. A61B 17/062 (2006.01); A61B 17/00 (2006.01); A61B 17/06 (2006.01)
CPC A61B 17/062 (2013.01) [A61B 2017/00296 (2013.01); A61B 2017/0608 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A needle holder comprising:
a flexible tube; and
a grasper located distally relative to the flexible tube, the grasper comprising:
a first jaw including a groove and a protrusion, the groove extending along a longitudinal axis, the protrusion being disposed at a distal end portion of the first jaw and protruding in a protruding direction intersecting the longitudinal axis; and
a second jaw connected to the first jaw, the second jaw being operable to open and close with respect to the first j aw;
wherein the protrusion includes:
a proximal surface formed on a proximal end of the protrusion so as to face in a proximal direction along the longitudinal axis, and
a hook surface extending continuously and outwardly from the proximal surface in a width direction and being inclined with respect to the proximal surface in a distal direction, the width direction being orthogonal to the protruding direction and the longitudinal axis.