Patent ID: 6484723
Filing Date: 2002-11-26
Classification: A61M

Abstract:
A tracheostomy breathing aid (1), comprised of:a trach swivel adaptor (2) connected to a personal air filtration unit (5) comprised of an outer activated carbon pre-filter (11), an inner filter for particulate matter (12) and a one-way valve (13) in the form of a flap which allows air to be inhaled through said inner filter (12) but prevents exhaled air from entering a dead space (15) between filter (11) and filter (12), and an exhaust port (10) with one-way valve (14) in the form of a flap for allowing exhaled air to flow out of said unit (5), and preventing entering of inhaled air, thereby decreasing mixing of inhaled and exhaled air and resistance to exhalation, by a column (6) with a first end at said unit (5) and a second end at said adaptor (2) comprised of cylindrical multiadaptor valve connector (3) and conical valve connector (4), creating a distance between said adaptor (2) and unit (5), where from first end at said unit (5) to second end at said adaptor (2) is narrowing from first diameter at a wide inferior end of said conical connector (4) to second diameter at said adaptor (2).