DIFF Subgroup
A61M 39/286 Full Title
Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use (for respiratory devices, e.g. tracheal tubes A61M16/00; artificial heart valves A61F2/24) > Valves or arrangement of valves > Clamping means for squeezing flexible tubes, e.g. roller clamps
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.