Patent ID: 9144697
Filing Date: 2015-09-29
Classification: A47C,A47G,A61M,A62B

Abstract:
1. A device for providing a zone of filtered air proximate a breathing zone of a user, the device comprising: a blower configured to provide an air flow; a filter in flow communication with the blower to filter the air flow; a head support in flow communication with the blower, the head support configured to be positioned underneath a head of the user, a majority of an upper surface of the head support being air permeable such that the air flow can be delivered through the air permeable portion uniformly across the majority of the upper surface to provide a laminar flow of filtered air to create the zone of filtered air proximate the breathing zone of the user; and a plenum including one or more support structures and a perimeter channel, the plenum disposed within the head support and in flow communication with the blower, the plenum being adapted to distribute the air flow across the air permeable portion.