| 摘要 |
This invention relates to an iontophoresis system, which comprises a conductor selector and a voltage source in a power supply circuit for impressing a pulsating voltage between conductors. The selector selects combinations of conductors in accordance with a predetermined timing, and the voltage source provides a pulsating voltage to the selected combinations at a different timing. Accordingly, each conductor is not fixed to a constant potential during the operation of the system, and an undesirable electrode reaction in the conductors can be avoided.
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