| CPC H02J 7/0044 (2013.01) [H02J 7/00034 (2020.01); A61B 2560/0214 (2013.01); A61M 2205/8237 (2013.01)] | 18 Claims |

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1. A charging device for a small medical apparatus, wherein
the small medical apparatus comprises an apparatus body, wherein a first rechargeable battery and an apparatus charging connector electrically connected to the first rechargeable battery are mounted in the apparatus body,
the charging device comprises a charging base, wherein a second rechargeable battery is disposed in the charging base, and a charging base charging connector and a charging base discharging connector for electrically connecting the apparatus charging connector are disposed at the charging base;
the charging base charging connector is electrically connected to a charging terminal of the second rechargeable battery; and
the charging base discharging connector is electrically connected to a discharging terminal of the second rechargeable battery;
wherein, a charging base communication module and a charging base data transmission connector configured for connecting to the apparatus body are disposed in the charging base, and
an input port of the charging base communication module is electrically connected to the charging base data transmission connector.
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