| 摘要 |
The invention refers to an electrical medical device, an accessory comprising a data storage device, a patient needs device operative with an electrical medical care device, and a main body for an electrical medical care device. The electrical medical device comprises a main body and an accessory, the main body having control means for controlling operation of the medical device and signal supplying means for supplying a carrier signal, the main body and the accessory having respective first and second coupling means arranged in close proximity to one another when the accessory is in the proximity of or attached to the main body to enable coupling of the carrier signal from the first coupling means to the second coupling means, the accessory carrying a data storage device having a memory storing technological feature data for the accessory, power supply deriving means for deriving a power supply from a carrier signal coupled to the second coupling means, control means for reading data from the memory in response to derivation of a power supply by the power deriving means, and modulating means for modulating the carrier signal in accordance with technological feature data read from the memory, the main body having data extraction means for extracting the technological feature data from the modulation of the carrier signal and data supplying means for supplying the data to the control means of the main body to affect the operation of the medical device in accordance with the technological feature data for the accessory.
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