Pre-filled high-temperature sterilization syringe
A high-temperature sterilization and syringe technology, applied in syringes, hypodermic devices, infusion sets, etc., can solve problems such as high cost and limited resources, and achieve the effect of reducing sterilization costs, solving resource constraints, and reducing packaging costs
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[0028] A prefilled high-temperature sterilizing syringe, including a cap 1, a needle tube 2, a push rod 5 and a piston 3. The end of the needle tube 2 near the handle has a backstop ring 4, and the backstop ring 4 has an inner hole, and the backstop ring 4 is welded At the end of the needle tube 2 close to the handle, the outer diameter of the push rod 5 matches the size of the inner hole of the backstop ring 4, the cap 1 has internal threads, the front end of the needle tube 2 has external threads, and the cap 1 and the needle tube 2 are connected by threads. The outer diameter of the rear end of the piston 3 is in interference fit with the inner diameter of the needle tube 2 to play a sealing role. The piston 3 is made of high temperature resistant medical silicone material.
[0029] A method for preparing a prefilled high-temperature sterilized syringe. The needle tube 2 and the backstop ring 4 are welded by a welding machine. Holes connect assemblies to form an assembly. ...
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