Face mask
A medical face mask comprising a central transparent portion, an outer filter portion and, optionally, one or more antimicrobial agents is described.
1. A face mask comprising
(a) a transparent air-impermeable central portion that directs a wearer's breath downward;
(b) an air-permeable outer portion surrounding and secured to the central transparent portion;
(c) a head strap affixed to the outer portion or transparent portion;
(d) one or more antimicrobial agents coated onto or embedded into the air-permeable outer portion; and
(e) a rigid portion that defines a single conic section that extends into the transparent portion at an approximately 90° angle relative to the top edge of the transparent portion to form a beak-shaped mask.
2. The face mask of claim 1 , wherein the central portion of the mask is adapted to be positioned over the nose and mouth of the wearer.
3. The face mask of claim 1 , wherein the head strap is affixed to the outer portion at two locations.
4. The face mask of claim 1 , wherein the central portion is air-impermeable.
5. The face mask of any one of claims 1 - 4 wherein the central portion is a plastic preformed into an arcuate configuration.
6. The face mask of claim 1 , wherein the central portion is a pliable plastic sheet material.
7. The face mask of claim 1 , further comprising the antimicrobial agent coated onto the central portion.
8. The face mask of claim 1 , further comprising the antimicrobial agent embedded into the central portion.
9. The face mask of claim 1 , wherein the antimicrobial agent is selected from the group consisting of biquanides, phenols, phenol derivatives, isothiazolones, metals, ammoniums, alcohols and combinations thereof.
10. The face mask of claim 9 , wherein the antimicrobial agent comprises triclosan.
11. The face mask of claim 1 , further comprising a one or more pull-away strips comprising microcapsules containing an agent selected from the group consisting of an antimicrobial agent, an odor-eliminator or neutralizer, a deodorizer, a disinfectant, an odor-emitter, a chemical neutralizer, a smoke-absorbing agent, an anti-nausea agent to suppress vomiting, and any combination thereof.
12. A face mask comprising
(a) a transparent central air-impermeable portion adapted to be positioned over the nose and mouth of the wearer, wherein the central portion is a plastic preformed into an arcuate configuration that directs a wearer's breath downward;
(b) an air permeable outer portion surrounding and secured to the central transparent portion;
(c) a head strap affixed to the outer portion at two locations;
(d) one or more antimicrobial agents coated onto or embedded into the air permeable outer portion; and
(e) a rigid portion that defines a single conic section that extends into the transparent portion at an approximately 90° angle relative to the top edge of the transparent portion to form a beak-shaped mask.
13. The face mask of claim 12 , wherein the antimicrobial agent is selected from the group consisting of biquanides, phenols, phenol derivatives, isothiazolones, metals, ammoniums, alcohols and combinations thereof.
14. The face mask of claim 13 , wherein the antimicrobial agent comprises triclosan.
15. The face mask of claim 12 , further comprising the antimicrobial agent coated onto the central portion.
16. The face mask of claim 12 , further comprising the antimicrobial agent embedded into the central portion.
17. The face mask of claim 12 , further comprising a one or more pull-away strips comprising microcapsules containing an agent selected from the group consisting of an antimicrobial agent, an odor-eliminator or neutralizer, a deodorizer, a disinfectant, an odor-emitter, a chemical neutralizer, a smoke-absorbing agent, an anti-nausea agent to suppress vomiting, and any combination thereof.