| 摘要 |
PURPOSE: To efficiently inject a treating material, such as dental paste and root canal filler, filled into a cylinder and to make the residual amt. in this cylinder as small as possible. CONSTITUTION: The front end of a plunger shaft 8 is provided with an ejection tip 10 consisting of a flexible material such as elastomer. This extruding tip 10 is bent in a cannula part 4 to eject the treating material encapsulated the cylinder as much as possible to lessen the residual amt. at the time of extruding the treating material. |
