发明授权
US09138542B2 Automatic injection device with torsional spring 有权
具有扭力弹簧的自动注射装置

Automatic injection device with torsional spring
摘要:
A semi-automatic “fixed” dose injection device is disclosed containing a reservoir of medicament, where a trigger controls the unwinding of a torsional spring to cause a predetermined injection of medicament from the reservoir through a disposable needle.
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