IP Library › Granted Patent US 12,465,196
Granted Patent B2
US 12,465,196 · App. 17/616,789 · Granted Nov 11, 2025

Elevator attachment, endoscope, method of attaching elevator attachment and method of removing elevator attachment

Inventors: Tetsuya Tarumoto (Tokyo, JP); Takahiro Hatoma (Tokyo, JP)
Assignee: HOYA CORPORATION
A61B1/00098A61B1/0011A61B1/00112A61B1/00147A61B8/12A61B1/00179A61B1/018A61B8/44
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Quick Facts
Patent No.
US 12,465,196
App. No.
17/616,789
Granted
Nov 11, 2025
Kind
B2
Abstract

An elevator attachment attachable to and detachable from an endoscope includes a holding body including an inclined surface plate covering a part of the inclined surface of the endoscope, a first plate raising from an edge of the inclined surface plate and located along the first inner wall and a second plate abutting against the second inner wall, and an elevator pivotally supported between the first and second plates and including a lever connection part to be connected to the lever, and the elevator attachment is to be attached to a first jig including a first abutting portion abutting against the inclined surface plate, an elastic plate projecting from the first abutting portion toward a space between the first and second plates, and a first retention projection projecting from an edge of the elastic plate toward the first plate and abutting against an end surface of the first plate.

Claims (33)

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.

2 . The elevator attachment and the first jig according to claim 1 , wherein

the holding body includes a connection plate connecting the inclined surface plate and the second plate, and

the elastic plate is provided between the connection plate and the elevator.

3 . The elevator attachment and the first jig according to claim 2 , wherein

the inclined surface plate has a U-shaped cutaway portion opened toward an edge where the first plate rises, and

the first jig has a third retention projection projecting from the first abutting surface and configured to penetrate the cutaway portion.

4 . The elevator attachment and the first jig according to claim 1 , wherein a surface of the second plate facing the first plate abuts against a side surface of a second retention projection projecting from the first abutting surface and being in parallel with the elastic plate.

5 . The elevator attachment and the first jig according to claim 4 , wherein

the holding body has a connection plate connecting the inclined surface plate and the second plate, and

the second retention projection is provided between the connection plate and the elevator.

6 . The elevator attachment and the first jig according to claim 5 , wherein

the inclined surface plate has a U-shaped cutaway portion opened toward an edge where the first plate rises, and

the first jig has a third retention projection projecting from the first abutting surface and configured to penetrate the cutaway portion.

7 . The elevator attachment and the first jig according to claim 4 , wherein

the inclined surface plate has a U-shaped cutaway portion opened toward an edge where the first plate rises, and

the first jig has a third retention projection projecting from the first abutting surface and configured to penetrate the cutaway portion.

8 . The elevator attachment and the first jig according to claim 1 , wherein

the inclined surface plate has a U-shaped cutaway portion opened toward an edge where the first plate rises, and

the first jig has a third retention projection projecting from the first abutting surface and configured to penetrate the cutaway portion.

9 . The elevator attachment and the first jig according to claim 1 being supplied in a state of being enclosed in an individual packing.

10 . The elevator attachment and the first jig according to claim 9 being supplied in such a state as being sterilized.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2022
From: TARUMOTO, TETSUYA; HATOMA, TAKAHIRO
To: HOYA CORPORATION
Reel/Frame 058757/0877 →
Priority Claims (2)
JP 2019-106999 · Jun 7, 2019 · national
JP 2019-107000 · Jun 7, 2019 · national
Continuity (1)
Related Publication 20220304557A1 · Sep 29, 2022
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