US 11,857,710 B2
Ventilation mask
Christopher M. Varga, Laguna Hills, CA (US); Ryan G. Redford, Tucson, AZ (US); Dennis White, Yorba Linda, AZ (US); and Thomas Dillingham, Aliso Viejo, CA (US)
Assigned to SunMed Group Holdings, LLC, Grand Rapids, MI (US)
Filed by SunMed Group Holdings, LLC, Grand Rapids, MI (US)
Filed on Jul. 30, 2019, as Appl. No. 16/526,876.
Claims priority of provisional application 62/712,933, filed on Jul. 31, 2018.
Claims priority of provisional application 62/773,820, filed on Nov. 30, 2018.
Prior Publication US 2020/0038617 A1, Feb. 6, 2020
Int. Cl. A61M 16/06 (2006.01); A61M 16/22 (2006.01); A61M 16/08 (2006.01); A61B 5/08 (2006.01); A61B 5/00 (2006.01)
CPC A61M 16/085 (2014.02) [A61B 5/082 (2013.01); A61B 5/6803 (2013.01); A61M 16/06 (2013.01); A61M 16/0611 (2014.02); A61M 16/0683 (2013.01); A61M 16/22 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/6081 (2013.01); A61M 2230/43 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A ventilation mask, comprising:
a mask body defining a patient cavity, the mask body comprising:
a patient opening in fluid communication with the patient cavity; and
a vent opening formed through the mask body, the vent opening in fluid communication with the patient cavity, wherein the vent opening is disposed generally opposite to the patient opening; and
a gas manifold coupled to the mask body, the gas manifold and the mask body cooperatively defining a gas channel disposed circumferentially around the vent opening, wherein a first portion of an interior surface of the gas channel is defined by the gas manifold and a second portion of the interior surface of the gas channel is defined by the mask body, the gas manifold comprising a plurality of vectored gas ports in fluid communication with the gas channel, wherein the plurality of vectored gas ports are configured to create a curtain effect gas flow within the patient cavity to form a gas curtain within the patient cavity and adjacent to the vent opening.