DIFF Subgroup
A61M 16/142 Full Title
Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators (iron lungs A61H31/02); Tracheal tubes > Preparation of respiratory gases or vapours > by mixing different fluids, one of them being in a liquid phase
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.