| 摘要 |
PROBLEM TO BE SOLVED: To prevent generation of zigzag form in a liquid feed tube, and maintain stable operation force quantity. SOLUTION: A moving range of an operation nozzle 9 is set to be movable forward a position where an injection needle 2 is protruded from a tip of an outer tube 1 to the maximum, and a space 17 where a base end side of the liquid feed tube 3 is flexed to go zigzag is formed in a holding cylinder body 7. As the operation nozzle 9 is moved forward the maximum, the liquid feed tube 3 goes zigzag in the space 17 in the holding cylinder body 7. |
