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US 8,127,764 B2Granted
Respiratory mask cushion and mask using same
AssigneeRIC Investments, LLC
InventorsPeter Chi Fai Ho, Lance Busch, Eugene N. Scarberry, Jason P. Eaton
Life of this patent
Estimating the term…
Abstract
A seal and a mask using a seal that includes a first end portion adapted to be coupled to a seal support, a second end portion adapted for sealing engagement with a face of a user, and a sidewall extending between the first end portion and the second end portion. The first end portion, second end portion, sidewall, or any combination thereof is formed from an elastomeric material having an elongation of at least 1000%. The seal preferably formed from a unitary piece of elastomeric material.
Claims29
A facial cushion comprising:
- a first end portion;
- a second end portion adapted for sealing engagement with a face of a user such that the second end portion of the cushion contacts a surface of such a user when donned by such a user;
- and
- a sidewall extending between the first end portion and the second end portion, and wherein at least one of the first end portion, the second end portion, and the sidewall is formed from an elastomeric material having an elongation of at least 1000%, and wherein a second portion of the cushion comprises a reinforcing material having an elongation property less than 1000% operatively coupled to the elastomeric material.
1 more element
A respiratory mask comprising:
- (a) a mask body;
- and
- (b) a cushion operatively coupled to the mask body, the cushion comprising:
- (1) a first end portion adapted to be coupled to a cushion support,
- (2) a second end portion adapted for sealing engagement with a face of a user such that the second end portion of the cushion contacts a surface of such a user when the respiratory mask is donned by such a user, and
- (3) a sidewall extending between the first end portion and the second end portion, and wherein at least one of the first end portion, the second end portion, and the sidewall is formed from an elastomeric material having an elongation of at least 1000%, and wherein a second portion of the cushion comprises a reinforcing material having an elongation property less than 1000% operatively coupled to the elastomeric material.
3 more elements
Dependencies are inferred from the claim text.