Bionetic implant

From Memory Alpha, the free Star Trek reference

A bionetic implant is a form of bionetic technology that has been assimilated by the Borg. An interlink node is an example of a bionetic implant that permits communication with other Borg drones. (VOY: "Counterpoint") A neural transceiver is another type of a bionetic implant assimilated by the Borg. (VOY: "Think Tank")