Dental anesthetic injector
A technique for anesthetics and syringes, applied in the field of dental anesthetics syringes, can solve problems such as troublesome injection of anesthetics in the gums, inability to deform, etc., achieve convenience and safety in the operation process, and improve the effect of injection accuracy
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[0016] Such as figure 1 As shown, the dental anesthetic injector includes a cylindrical syringe 1, a rubber plug 4 is installed inside the syringe 1, and the rubber plug 4 is connected with a cylindrical rod-shaped push rod 5, and the length of the push rod 5 is longer than the length of the syringe 1. Long, ensure that the push rod 5 can push the rubber stopper 4 to the end of the syringe 1, the push rod 5 is connected with the press piece 6 outside the syringe 1, the front end of the syringe 1 is provided with a round tube-shaped needle tube 2 with a pointed end, the needle tube 2 is provided with a section of bellows 7 in the middle, the needle tube 2 communicates with the inner cavity of the syringe 1, and the outer wall of the syringe 1 is covered with an annular collar 9, and the collar 9 is connected with the reflector 3 through the connecting rod 8. The mirror 3 has a smooth surface and can be used as a mirror, which is very effective for observing the internal conditi...
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