Medical Automatic Retractable Needle Syringe

Product Description：

• New model disposable plastic needle retractable safety syringe includes syringe barrel, hollow plunger and safety device
• The safety device located in the forepart of the barrel comprises needle, spring and needle hub with a groove so as to retain the needle hub and spring in the forepart of the barrel during use
• Upon completion of the injection, fully pressed plunger can activate the safety device, then the needle and spring will retract automatically into hollow plunger under the influence of the spring