In order to avoid glass fragment are not produced in the whole injection process、the liquid will not be secondary transferred and the liquid will not be exposed to the air which without cleanliness, The pen syringe comes out. This is a completely new way of safety injection. The fulled with drug cartridge will be placed into a reusable injection pen. the liquid won’t contact with any part of the injector in the whole injection process.

The cartridge is widely applications for insulin (3ml) and dental anesthetics(1.8ml) now.

It also can be used in the following fields: anti-biochemical first aid、hemostasis and pain relief、heart disease first aid、detoxification、antipyretic analgesia、antibiotics, anti-alcoholic and so on.