US 11,805,978 B2
Endoscope operation section and endoscope including endoscope operation section
Keisuke Hatano, Koganei (JP); and Tatsuhiko Suzuki, Kunitachi (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Jun. 28, 2019, as Appl. No. 16/455,904.
Application 16/455,904 is a continuation of application No. PCT/JP2017/034311, filed on Sep. 22, 2017.
Claims priority of application No. 2017-031193 (JP), filed on Feb. 22, 2017.
Prior Publication US 2019/0313886 A1, Oct. 17, 2019
Int. Cl. A61B 1/00 (2006.01); A61B 1/005 (2006.01); A61B 1/018 (2006.01)
CPC A61B 1/00042 (2022.02) [A61B 1/00039 (2013.01); A61B 1/0055 (2013.01); A61B 1/0057 (2013.01); A61B 1/00066 (2013.01); A61B 1/00068 (2013.01); A61B 1/0052 (2013.01); A61B 1/00094 (2013.01); A61B 1/018 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An endoscope operation section comprising:
an operation body having a longitudinal axis, the operation body comprising:
a bending operation lever provided at the operation body, the bending operation lever configured to be operated around an axis offset at an angle with respect to the longitudinal axis;
a first surface projecting a first distance from the longitudinal axis in a projecting direction,
a suction button projecting in the projecting direction and extending from the first surface;
a second surface on a proximal end side of the first surface, the second surface projecting a second distance from the longitudinal axis in the projecting direction, the second distance being greater than the first distance; and
a switch provided on the second surface; and
the operation body comprises:
a suction channel inside the operation body;
a concavity cut out from one or more of the first surface and the second surface; and
a suction tube connecting member disposed in the concavity, the suction tube connecting member being configured to be in fluid communication with the suction channel.