Full Title

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 ( ; tube connectors, tube couplings, valves or branch units specially adapted for medical use A61M39/00; containers specially adapted for medical or pharmaceutical purposes A61J1/00; ) > Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor > Pressure infusion, e.g. using pumps > using pressurised reservoirs, e.g. pressurised by means of pistons