Respiratory mask

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4907584
SERIAL NO

07163562

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A respiratory mask having a flexible seal that encompasses a space which is formed and adapted to receive nasal or nasal and oral portions of a user's face, the mask also having a rigid support extending continuously adjacent the perimeter of the flexible seal to support a portion thereof against radially outward deformation under the influence of internal pressure within the space encompassed thereby, while permitting a continuously extending perimeteral portion of the flexible seal to resiliently deform against the facial structure of the user to form a surface seal in engagement therewith, the degree of such deformation of the flexible seal being limited by insertion of selected spacers from a family of differently sized spacers intermediate the mask and the face of the user to thereby limit the minimum spacing that may be established between the mask and the face of the user, and to thereby accommodate adjustment of the seal profile to the user's face.

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Patent Owner(s)

Patent OwnerAddress
RESPIRONICS INC1010 MURRY RIDGE LANE MURRYSVILLE PA 15668

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McGinnis, Gerald E Monroeville, PA 11 1344

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