Patent ID: 11896794
Assignee: NORTHGATE TECHNOLOGIES, INC.
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 18:
19. A medical device comprising:
an interface configured to connect the medical device with an interface of a medical device accessory for administration of a medical treatment using the medical device and the medical device accessory;
a plurality of electrical contacts proximate the interface on the medical device, the plurality of electrical contacts comprising: a) an electrical supply contact adapted to supply a voltage from a power source associated with the medical device to a lead electrical contact on the medical device accessory; and b) a plurality of reading electrical contacts adapted to receive the voltage from at least one identifying electrical contact on the medical device accessory when the medical device accessory is connected to the medical device;
a controller configured to read a presence of the voltage at each of the plurality of reading electrical contacts; and,
a severing element configured to sever a conductor on the medical device accessory providing an electrical connection between the lead electrical contact and one or more of the at least one identifying electrical contacts upon disconnection of the medical device accessory with the medical device;
wherein the controller identifies a characteristic of the medical device accessory by reading an arrangement of the plurality of reading electrical contacts supplied with the voltage from the at least one identifying electrical contacts on the medical device accessory; and,
wherein the medical device is configured to selectively disable use of the medical device accessory with the medical device in response to an identified characteristic of the medical device accessory.