A61M2005/5046 - CPC Classification

Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile; Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the fluid passageway automatically, e.g. plug actuated by the piston head, one-way valve

• A61M2005/5053 » {Valve or plug actuated by fluid flow or fluid pressure allowing initial filling of the syringe} 2
• A61M2005/506 » {Plug actuated by contact with fluid, e.g. hydrophilic expansion plug} 0

Recent Application in this class: