A device mounting board includes an insulating layer formed of an insulating resin, a glass cloth covering the surface of the insulating layer, and an electrode provided in a through hole extending through the glass cloth. The medical work station is designed to gather physiological data of a patient. A circuit substrate is provided and positioned on the spreader plate to cover the coolant passageways. The driving component may comprise a body defining a chamber, a first end and a second end, with a valve arrangement being housed within the body.