DIFF Subgroup
A61N 1/20 continuous direct currents
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electrotherapy; Circuits therefor > Applying electric currents by contact electrodes > continuous direct currents
CPC:
Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) > Applying electric currents by contact electrodes > continuous direct currents
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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