US 12,245,745 B2
Elevator attachment and endoscope
Tetsuya Tarumoto, Tokyo (JP); and Takahiro Hatoma, Tokyo (JP)
Assigned to HOYA CORPORATION, Tokyo (JP)
Appl. No. 17/616,787
Filed by HOYA CORPORATION, Tokyo (JP)
PCT Filed Jun. 4, 2020, PCT No. PCT/JP2020/022052
§ 371(c)(1), (2) Date Dec. 6, 2021,
PCT Pub. No. WO2020/246532, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 2019-106998 (JP), filed on Jun. 7, 2019.
Prior Publication US 2022/0304556 A1, Sep. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 1/00 (2006.01); A61B 1/012 (2006.01)
CPC A61B 1/00098 (2013.01) [A61B 1/00101 (2013.01); A61B 1/012 (2013.01); A61B 1/00177 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An elevator attachment configured to be attachable to and detachable from an endoscope, the endoscope including:
an inclined surface inclined relative to a longitudinal direction of an insertion part,
an elevator recess having a first inner wall and a second inner wall that faces the first inner wall and having an opening that opens toward the inclined surface, and
a lever pivotally provided inside the elevator recess,
the elevator attachment comprising:
a holding body including an inclined surface plate configured to cover a part of the inclined surface of the endoscope, a first plate extending from an edge of the inclined surface plate and configured to be located along the first inner wall of the endoscope, and a second plate configured to abut against the second inner wall; and
an elevator pivotally supported between the first plate and the second plate and including a lever connection part configured to be connected to the lever of the endoscope, wherein
the holding body includes a connection part connecting the inclined surface plate and the second plate,
the second plate has a stopper protrusion protruding toward a side of the first plate, and
the elevator is configured to be restricted in pivoting by the stopper protrusion and the connection part.