Endoscope and bending operation device for endoscope
First Claim
1. An endoscope comprising:
- an inserting section including a proximal end and a bending portion which is bent in a plurality of directions;
an operating section provided at the proximal end of the inserting section;
a bending operation device provided to the operating section; and
at least one wire which includes a distal end portion arranged at the bending portion and a proximal end portion arranged at the bending operation device and is manipulated to bend the bending portion by an operation of the bending operation device,wherein the bending operation device includes;
at least one handle having a first central axis, the handle is turned around the first central axis in a state where the handle is arranged in the operating section; and
at least one wound body having a second central axis, the wound body being provided to the handle and being fixed to the proximal end portion of the operation wire, and the second central axis of the wound body being provided to be eccentric with respect to the first central axis of the handle.
1 Assignment
0 Petitions
Accused Products
Abstract
An endoscope includes an inserting section having a bending portion, an operating section provided to the inserting section, a bending operation device provided to the operating section, and an operation wire. One end of the operation wire is connected to the bending portion and the other end is connected to the bending operation device. The operation wire is manipulated to bend the bending portion by the bending operation device. The bending operation device includes a handle and a wound body. The handle has a first central axis and is turned around the first central axis. The wound body has a second central axis and is provided to the handle and is fixed to the operation wire. The second central axis of the wound body is provided to be eccentric with respect to the first central axis of the handle.
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Citations
8 Claims
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1. An endoscope comprising:
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an inserting section including a proximal end and a bending portion which is bent in a plurality of directions; an operating section provided at the proximal end of the inserting section; a bending operation device provided to the operating section; and at least one wire which includes a distal end portion arranged at the bending portion and a proximal end portion arranged at the bending operation device and is manipulated to bend the bending portion by an operation of the bending operation device, wherein the bending operation device includes; at least one handle having a first central axis, the handle is turned around the first central axis in a state where the handle is arranged in the operating section; and at least one wound body having a second central axis, the wound body being provided to the handle and being fixed to the proximal end portion of the operation wire, and the second central axis of the wound body being provided to be eccentric with respect to the first central axis of the handle. - View Dependent Claims (2, 3, 4)
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5. A bending operation device for an endoscope, the endoscope including an inserting section having a bending portion and an operation section arranged to the inserting section, the bending operation device arranged at the operating section,
wherein ends of a plurality of operation wires which are used to bend the bending portion of the inserting section of the endoscope being disposed to the bending operation device, supplying and pulling in the operation wires enabling bending the bending portion in a predetermined direction, and wherein the bending operation device includes: -
at least one handle which having a first central axis, the handle being arranged to allow its turning motion around the first central axis in a state where it protrudes toward the outside of the operating section; and at least one wound body having a second central axis, the wound body being provided to the handle and being fixed to the proximal end portion of the operation wire, and the second central axis of the wound body being provided to be eccentric with respect to the first central axis of the handle. - View Dependent Claims (6, 7, 8)
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Specification