Nasal mask and mask cushion therefor (US6357441)

the edge of the membrane is spaced a second distance from the rim, the second distance being variable and largest in the regions of the rim and the membrane adapted to receive the bridge of the wearer's nose; and

the first distance between the outer surface of the frame and the inner surface of the membrane is variable with the tension applied to the at least one tension strap.

Background / Summary:

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Drawing Descriptions:

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Description:

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PCT Number:

PCT/AU97/00450 WO9804310

PCT Pub./Filed Dates:

1998-02-05 / 1997-07-16

§ 371 / 102(e) Dates:

1111-11-11 / 1999-08-11

Forward References:

Show 126 U.S. patent(s) that reference this one

U.S. References:

Go to Result Set: All U.S. references | Forward references (126) | Backward references (158) | Citation Link

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* some details unavailable

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