Patient support surfaces, namely, mattresses

Portable self-contained environmental control equipment for hospital or health care use in an existing health-care patient space or patient convalescent space capable of creating a positive or negative pressure in the space to convert the space into a patient isolation room, combining temperature control, dehumidification, air filtration, sterilization, and pressure control

Particle monitor, namely for optically detecting individual contaminant particles in a gas and providing an output indicative of the size of the detectable particle