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Sterility and abnormal toxicity testing of syringes

Mar 31 , 2020

The plastic veterinary syringe consists of a needle tube, a cap, a push rod or a piston. Generally it can be used for cow breast injection. The sterility and abnormal toxicity detection of pre-filled syringes are two important indicators.


Sterility and abnormal toxicity testing of syringes

dial a dose syringe 


Syringe factory sterility test method:

(After sterilization) Take an appropriate amount of this product, add 1/2 of the indicated volume of sodium chloride injection, cover the piston and cap, shake for 1 minute, and combine the extracts. Take the extract and inoculate 2 small tubes of thioglycolate fluid culture medium (TG) (9ml per tube), 0.2ml each; one at 35 ~ 37 ° C and one at 23 ~ 25 ° C. Another TSB tube (7ml per tube) was used to inoculate 0.2ml, set to 23 ~ 25 ℃, and cultured according to the sterility inspection method ("Veterinary Pharmacopoeia of the People's Republic of China" 2015 edition, three appendix 3306).

Veterinary syringe abnormal toxicity detection:

Take a few of this product, clean the needle tube with water, cut it, take 500cm2 (based on the internal surface area), add 50ml of sodium chloride injection solution, put it in a high-pressure steam sterilizer at 110 ° C for 30 minutes, take it out, cool it and reserve it. The same batch of sodium chloride injection was blanked, injected intravenously, and inspected according to law (General Regulations 1111 of the Second Edition of the Veterinary Pharmacopoeia of the People's Republic of China 2015), which should meet the requirements.


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