• Main structure of sterile safety syringe: RPF, barrel, plunger, piston are in interference fit, so as to make sure of seal.
• RPF: RPF as well as feature of manual operation will start Spontaneously in order to prevent it form reusing. Meanwhile, it is able to prevent it from hurting people by covering hypodermic needle with barrel.
• Barrel of the sterile safety syringe is transparent to observe solution and read its measure through surveyor's rod graduation on it. And its top is designed as RPF area.
• Both barrel and plunger of the safety syringe are made from biomedical polymer material whose biocompatibility conforms to standards.
• Model of auto disable syringe: luer slip, luer lock.