US 12,465,196 B2
Elevator attachment, endoscope, method of attaching elevator attachment and method of removing elevator attachment
Tetsuya Tarumoto, Tokyo (JP); and Takahiro Hatoma, Tokyo (JP)
Assigned to HOYA CORPORATION, Tokyo (JP)
Appl. No. 17/616,789
Filed by HOYA CORPORATION, Tokyo (JP)
PCT Filed Jun. 4, 2020, PCT No. PCT/JP2020/022053
§ 371(c)(1), (2) Date Dec. 6, 2021,
PCT Pub. No. WO2020/246533, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 2019-106999 (JP), filed on Jun. 7, 2019; and application No. 2019-107000 (JP), filed on Jun. 7, 2019.
Prior Publication US 2022/0304557 A1, Sep. 29, 2022
Int. Cl. A61B 1/00 (2006.01); A61B 1/018 (2006.01); A61B 8/12 (2006.01); A61B 8/00 (2006.01)
CPC A61B 1/00098 (2013.01) [A61B 1/0011 (2013.01); A61B 1/00112 (2013.01); A61B 1/00147 (2013.01); A61B 8/12 (2013.01); A61B 1/00179 (2013.01); A61B 1/018 (2013.01); A61B 8/44 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An elevator attachment and a first jig, in which the elevator attachment configured to be attachable to and detachable from an endoscope via the first jig, 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 being opened 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, a first plate configured to raise from an edge of the inclined surface plate and to be located along the first inner wall 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 groove that is configured to be connected to the lever, wherein
the elevator attachment is attached to the first jig,
the first jig comprising:
a first abutting surface abutting against the inclined surface plate,
an elastic plate projecting from the first abutting surface toward a space between the first plate and the second plate, and
a first retention projection projecting from an edge of the elastic plate toward the first plate and abutting against an edge surface of the first plate.