Device and method for protecting a medical apparatus and a treated patient said apparatus, against harmful influences from a communications network.

摘要

Device (9; 34; 37) pair interacting with a medical device (10) which is suitable for connection in a communications network (11) comprising at least one insecure area (11b) and a safe area (11a) the side of the device, so that the apparatus (9) comprises transmission means (12; 44, 45) for transmitting communication packets to and from the medical device (10) via the communications network (11), comprising monitoring means (13; 42, 43) for monitoring the connection status of the device (10) to the network (11) and comprising switching means (14; 40, 41) for interrupting the connection existing between the safe area (11a) and unsecured (11b) area of ​​the network (11) if, during it proceeds monitoring a state of network connection that this risk a treated patient is detected with apparatus (10) or to correct functions of the apparatus (10), wherein the device comprises co mo least two separate channels (38, 39), each with their own transmission means (12; 44, 45), monitoring means (13; 42, 43) and interruption (14; 40, 41), wherein each of the channels can also be monitored and also the other channel independently and can separate the area unsafe (11b) of the communications network (11) when a situation of network connection that presents risk to the patient or to the correct operation is detected.