Abstract: An endoscope which can reduce time and labor for cleaning processing is provided. The endoscope includes: a distal end portion body which is provided on the distal end side of an insertion portion; a rotating shaft which is rotatably supported in the distal end portion body; an elevator which is coupled with one end of the rotating shaft; an elevator erecting lever which is coupled with the other end of the rotating shaft; an operating wire which rotates the rotating shaft through the elevator erecting lever by operation of an operating member and raises the elevator; a partition wall which includes a holding hole to support the rotating shaft; and a seal member which is disposed between the holding hole and the rotating shaft, at least part of the seal member being exposed to a surface side facing the elevator of the partition wall.

Abstract: The endoscope includes: a rotating shaft in a distal end portion body of an insertion portion; an elevator which is coupled with one end of the rotating shaft; an elevator erecting lever which is coupled with the other end; an operating wire which rotates the rotating shaft through the elevator erecting lever to erect the elevator; a partition wall including a holding hole to support the rotating shaft; and a seal member disposed between the holding hole and the rotating shaft. The configuration of the rotating shaft and a positional relation between the rotating shaft and the seal member are improved so as to reduce time and labor taken for cleaning processing of the endoscope.

Abstract: Since a lower-surface side opening of an elevator housing slit is closed by a partition wall portion of a cap in normal operation, and a rotating shaft receiving portion of an elevator has a rotating shaft housing groove opened on the side opposite to the lower surface when the elevator is attached to a distal end portion body, the elevator is not removed structurally at an angle of the elevator when the treatment tool is operated to be stood, and a rotating shaft and the rotating shaft receiving portion do not have to be attached excessively tightly. Therefore, a work load in disassembling and assembling of a distal end portion can be set appropriately, and workability in disassembling and assembling is improved. Moreover, as a result, the distal end portion can be cleaned rapidly and easily.

Abstract: There is provided an endoscope which can clean a distal end portion promptly and easily. An elevator housed in an elevator housing space of a distal end portion body is coupled with an erecting lever of an erecting lever housing chamber through a rotating shaft. A rotating shaft receiving portion formed with an engagement hole engaged with the rotating shaft and an engagement hole loosely fitted thereto is provided in the elevator, the elevator is retreated from the elevator housing slit by loosely fitting the elevator to the rotating shaft in cleaning.

Abstract: There is provided an endoscope which can clean a distal end portion promptly and easily. An elevator housed in an elevator housing space of a distal end portion body is coupled with an erecting lever of an erecting lever housing chamber through a rotating shaft. A first shaft portion which is engaged with an engagement hole of the elevator and a second shaft portion which is provided on the distal end side of the first shaft portion and is loosely fitted to an engagement hole of the elevator are provided in the rotating shaft. The elevator is avoided from the elevator housing slit by loosely fitting the engagement hole of the elevator to the second shaft portion at cleaning.

Abstract: The endoscope includes: a rotating shaft in a distal end portion body of an insertion portion; an elevator which is coupled with one end of the rotating shaft; an elevator erecting lever which is coupled with the other end; an operating wire which rotates the rotating shaft through the elevator erecting lever to erect the elevator; a partition wall including a holding hole to support the rotating shaft; and a seal member disposed between the holding hole and the rotating shaft. The configuration of the rotating shaft and a positional relation between the rotating shaft and the seal member are improved so as to reduce time and labor taken for cleaning processing of the endoscope.

Abstract: There is provided an endoscope which can clean a distal end portion promptly and easily. An elevator housed in an elevator housing space of a distal end portion body is coupled with an erecting lever of an erecting lever housing chamber through a rotating shaft. A rotating shaft receiving portion formed with an engagement hole engaged with the rotating shaft and an engagement hole loosely fitted thereto is provided in the elevator, the elevator is retreated from the elevator housing slit by loosely fitting the elevator to the rotating shaft in cleaning.

Abstract: An endoscope which can reduce time and labor for cleaning processing is provided. The endoscope includes: a distal end portion body which is provided on the distal end side of an insertion portion; a rotating shaft which is rotatably supported in the distal end portion body; an elevator which is coupled with one end of the rotating shaft; an elevator erecting lever which is coupled with the other end of the rotating shaft; an operating wire which rotates the rotating shaft through the elevator erecting lever by operation of an operating member and raises the elevator; a partition wall which includes a holding hole to support the rotating shaft; and a seal member which is disposed between the holding hole and the rotating shaft, at least part of the seal member being exposed to a surface side facing the elevator of the partition wall.

Abstract: According to an endoscope according to an aspect of the present invention, in a cap, an opening window which opens an opening portion on an upper surface side of an elevator housing slit n a state attached to a distal end portion body and a partition wall portion which closes an opening portion on a lower surface side are formed, and in a state in which the cap is attached to the distal end portion body, reclining of an elevator is regulated by the partition wall portion. Moreover, an opening portion from the upper surface to the lower surface through a front surface of the distal end portion body is extended and open, and thus, an exposed range of the elevator is wide, and the elevator can be cleaned rapidly and easily.

Abstract: There is provided an endoscope which can clean a distal end portion promptly and easily. An elevator housed in an elevator housing space of a distal end portion body is coupled with an erecting lever of an erecting lever housing chamber through a rotating shaft. A first shaft portion which is engaged with an engagement hole of the elevator and a second shaft portion which is provided on the distal end side of the first shaft portion and is loosely fitted to an engagement hole of the elevator are provided in the rotating shaft. The elevator is avoided from the elevator housing slit by loosely fitting the engagement hole of the elevator to the second shaft portion at cleaning.

Abstract: Since a lower-surface side opening of an elevator housing slit is closed by a partition wall portion of a cap in normal operation, and a rotating shaft receiving portion of an elevator has a rotating shaft housing groove opened on the side opposite to the lower surface when the elevator is attached to a distal end portion body, the elevator is not removed structurally at an angle of the elevator when the treatment tool is operated to be stood, and a rotating shaft and the rotating shaft receiving portion do not have to be attached excessively tightly. Therefore, a work load in disassembling and assembling of a distal end portion can be set appropriately, and workability in disassembling and assembling is improved. Moreover, as a result, the distal end portion can be cleaned rapidly and easily.

Abstract: A torque transmission device is a steerable device for an endoscope, and includes a first link element having a first guide lumen. A second link element is disposed at a distal end of the first link element in a longitudinal axis direction, and has a second guide lumen. A control wire is disposed through the first and second guide lumens movably in the longitudinal axis direction. A pivot mechanism couples the first link element to the second link element in a rotatable manner about a pivot axis being perpendicular to the longitudinal axis direction. The control wire through the first and second guide lumens extends in a coplanar manner with the pivot axis and crosswise thereto. Preferably, there is a flexible section having the first and second link elements. A steering unit has third and fourth link elements.