Safety Syringe TC30® |
Invention |
At the heart of TC30® invention is a ratchet device found on the needle coupler and a set of annular inclined teeth found on the end of the plunger assembly. This ratchet and annular teeth combination when engaged allows for the needle coupler and needle to be retracted into the barrel at an angle using the plunger after the plunger is turned 30 degrees clockwise. |
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Maintaining by Ching-Liu Studio |