| 主权项 |
1. An operating apparatus of an endoscope which is provided with a flexible tube inserted into a body to be examined and having a bending part at a distal end thereof and which performs work by bending the bending part according to a manual operation, comprising:
a drive part which can pull a wire which is disposed in the flexible tube, a distal end of the wire being fixed to the bending part and the wire bending the bending part; and an operating part which operates the drive part; wherein the drive part has a rack connected to the wire and a pinion gear meshing with the rack, the operating part is provided with a rotation operating mechanism which can rotationally drive the pinion gear according to manual operation of an operator, and the rotation operating mechanism has a lock mechanism which can impart braking force to an operating part of the rotation operating mechanism, wherein the wire is provided with two horizontal-direction control wires for performing attitude control of the bending part leftward and rightward, and two vertical-direction control wires for performing attitude control of the bending part upward and downward, racks joined to the four wires, respectively, are provided, a first pinion gear meshing with the horizontal-direction control wires and a second pinion gear meshing with the vertical-direction control wires are provided, a horizontal-direction rotation operating part which can operate the first pinion gear manually and a vertical-direction rotation operating part which can operate the second pinion gear manually are provided, and wherein the lock mechanism is provided to correspond to each of the horizontal-direction rotation operating part and the vertical-direction rotation operating part. |
