Filter Assembly And Surgical Smoke Evacuation Unit

A filter assembly for a smoke evacuation unit, the filter assembly comprising:

• a housing defining a suction outlet, and one or more inlet ports configured to receive a suction tube;
• and
• a filter disposed within the housing,
• wherein the housing comprises a shielding cover comprising conductive material configured to provide an electromagnetic barrier;
• and
• a sensor coupled to the shielding cover and configured to detect changes in electric field through the one or more inlet ports.

A filter assembly for a smoke evacuation unit, the filter assembly comprising:

• a housing defining a suction outlet, and comprising a port panel defining one or more inlet ports configured to receive a suction tube, wherein the housing further comprises a partition spaced apart from the inner side of the port panel to define a sensor compartment therebetween;
• a filter disposed within the housing;
• and
• a sensor disposed within the sensor compartment and adjacent to an inner side of the port panel, wherein the sensor is configured to detect external operation of a powered surgical device.