| 摘要 |
A device for delivering a filling material into a tooth cavity, including a grip portion (1) having a first cavity (3), and an end portion (2) having a second cavity (4), a plunger (7) dividing the second cavity (4) into two compartments (8, 10), a transmission rod (11) housed in the second compartment (10) and connected to the plunger so as to impart thrust thereto, a control rod (12) housed in the first cavity (3) and interacting with the transmission rod (11) as it slides towards its end of travel position, and a return means (18) for returning the control rod to its starting position. Said control and transmission rods are interconnected by releasable means (23) which cooperate as the control rod is returned to its starting position. |
