NON-RETURN VALVE, DRIP CHAMBER, PORT FOR NEEDLE-FREE METERING OF A LIQUID, BACK-FLOW BARRIER, INFUSION OR TRANSFUSION SYSTEM AND METHOD FOR PRODUCING A NON-RETURN VALVE

摘要

The invention relates to a non-return valve (1) having a pot-shaped valve body (2). The valve body (2) has a circumferential wall (3), a bottom wall (4) and an opening (5) opposite the bottom wall (4). The valve body (2) comprises an elastic material. The elastic material is cut trough along a cut (7). The elastic material includes material transformed by injection molding.