Patent ID: 6129082
Filing Date: 2000-10-10
Classification: A61M,Y10S

Abstract:
A sleeved breathing filter apparatus for preventing contamination of both the interior and exterior of a breathing device, the sleeved filter breathing apparatus comprising:a filter container member having a hollow interior, a first connector, a second connector and a filter element disposed within the hollow interior such that gases passing between the first connector and the second connector must pass through the filter element, the first connector capable of being connected to and disconnected from the breathing device by the user at the site of use; anda tubular sleeve member having a first end and a second end, the first end being sealingly engaged to the filter container member, the tubular sleeve member and the second end thereof capable of being expanded by the user at the site of use to loosely surround a portion of the breathing device;whereby, when a contamination source is operably connected to the second connector and the breathing device is operably connected to the first connector, contaminants passing through the second connector are substantially prevented from contacting the interior of the breathing device by the filter element and contaminants passing around the second connector are substantially prevented from contacting the exterior of the breathing device by the sleeve member.