Made of imported polymer materials, clear layers of skin and muscle, with integrated knee anatomical structure, and
manifest body surface symbols
Features:
1. Can puncture repeatedly, standard puncture sites facilitate to acupuncture
and there is realistic feeling when needle inserts into veins
2. A single valve can inject simulated liquid of bursa mucosa into bursa
mucosa repeatedly
3. Automatic sealing of bursa mucosa
4. Skin surface can be cleaned by suds
