| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a dental syringe capable of being miniaturized and reduced in weight and cost while reducing the injection labor of an anesthetic by a dentist or the like and capable of being easily sterilized. <P>SOLUTION: A manual dental syringe 1 used at the time of injection of an anesthetic includes a cartridge holding part 3 for holding a cartridge in which the anesthetic is sealed, an output side moving member 28 having a plunger 27 moving the rubber plug of the cartridge to discharge the anesthetic from the injection needle 4 mounted in the cartridge holding part 3, a manual input side moving member 22 moving in a predetermined direction and a gear speed reducing mechanism 7 for reducing the movement of the input side moving member 22 to transmit speed reduction to the output side moving member 28. When the input side moving member 22 is moved in one direction in the dental syringe 1, the plunger 27 is moved to discharge the anesthetic from an injection needle 4. <P>COPYRIGHT: (C)2013,JPO&INPIT |
