The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2002
Filed:
May. 19, 1999
Steven S. Bordewick, Shoreview, MN (US);
Gary L. Hansen, Eden Prairie, MN (US);
Holly Larkin, Plymouth, MN (US);
Mallinckrodt, Inc., St. Louis, MO (US);
Abstract
A disposable respiratory mask is provided according to the invention. The disposable respiratory mask includes a bag having a first opening and a second opening and may have an optional vent hole, adhesive strips around a perimeter of the first opening, the adhesive strips being capable of attaching the mask to a face region around a nose, an interface tube having an optional vent hole, the proximal end of the interface tube capable of being inserted into the second opening of the bag, the distal end of the interface tube capable of connecting to a gas supply hose, and a retainer ring capable of being positioned over the bag and the interface tube to hold the bag on an outer surface of the interface tube when the interface tube is inserted into the second opening of the bag, wherein a gas is supplied to the mask through the gas supply hose, with the bag being inflated by the gas and the bag is therefore positioned away from a wearer's face.