| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple-structured wire push/pull device capable of performing fine adjustment in an area requiring correctness and increasing operability of rough operation in an area not requiring fine adjustment. ! SOLUTION: A standing device 30 mounted at the distal end of an endoscope is attached with a traction wire 32, which is pushed and pulled by a wire push/pull device 40. The wire push/pull device 40 comprises a control lever 20, a rotary ring, a slider 42, a crank plate 43, a guide sleeve 44, a drive transmission plate 46, a cam pin 47, and a cam plate 48. When the control lever 20 is rotated, the rotary ring and the drive transmission plate 46 are rotated in an integrated manner to move the crank plate 43 connected via the cam pin 47. The slider 42 is connected to the crank plate 43 at one end and connected to the traction wire 32 at the other end. The cam pin 47 moves along a cam groove 55 formed in the cam plate 48. The cam groove 55 changes the amount of movement of the ca |
