Device for applicating filling material into a tooth cavity

Details Device for applicating filling material into a tooth cavity Device for applicating filling material into a tooth cavity

A - Human Necessities

61

C

A61C 5/04 (2006.01) A61C 5/06 (2006.01)

Patent

CA 2130435

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.

2130435 9316653 PCTABS00163 Dispositif d'application de matière d'obturation dans une cavité dentaire, comprenant une partie de prise (1) présentant une première cavité (3) et une partie d'embout (2) présentant une deuxième cavité (4), un piston (7) divisant la deuxième cavité (4) en deux compartiments (8, 10), une tige de transmission (11) logée dans le deuxième compartiment (10) et reliée au piston de manière à lui transmettre une force de poussée, une tige de commande (12) logée dans la première cavité (3) coopérant avec la tige de transmission (11) pendant son coulissement vers sa position de fin de course et un moyen de rappel (18) rappelant la tige de commande dans sa position de repos, la tige de commande et la tige de transmission présentant des moyens de liaison mutuelle (23), détachables, qui coopèrent pendant le rappel de la tige de commande dans sa position de repos.

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