Made to

Standards
THE HUMPHREY Free-Ox and ADE-CIRCLE systems
LOW-FLOW and free oxygen anaesthesia
Research, Design Awards & quality assurance standards
used for the Humphrey ADE-circle anaesthetic breathing system
Dr David Humphrey for work on the Humphrey ADE-circle system
- 1980 Royal Society of Medicine, London, research prize
- 1980 South African Anaesthetists’ Society research prize
The Humphrey ADE-circle system
- 1985 Shell Design award
- 1999 SABS (South Africa) Engineering award
- Built to EN, BS and ISO standards. (Europe, British & International Standards)