Mingmin Huang

Medical treatment appliance with pumpback force

Disposable injection syringe with pre-store medicament

Pre-filling type injection syringe capable of drawing back needling body

Safe instrument with injection and hemospasia functions

Intravenous tube placing device

Appliance for medicine containing feedback drawing power

Protecting device and injector with protecting device

Intravenous catheter setting device with back-suction force

Guiding device of intravenous injection conduit

Syringe capable of retracting needle