US 12,251,514 B2
Airway device
Carl Michael Walkden, Lancashire (GB)
Assigned to BLUE BEAN MEDICAL LIMITED, Lancashire (GB)
Appl. No. 17/263,682
Filed by BLUE BEAN MEDICAL LIMITED, Lancashire (GB)
PCT Filed Jun. 27, 2019, PCT No. PCT/GB2019/051822
§ 371(c)(1), (2) Date Jan. 27, 2021,
PCT Pub. No. WO2020/025921, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 1812562 (GB), filed on Aug. 1, 2018.
Prior Publication US 2021/0220596 A1, Jul. 22, 2021
Int. Cl. A61M 16/06 (2006.01); A61M 16/04 (2006.01)
CPC A61M 16/0616 (2014.02) [A61M 16/0409 (2014.02); A61M 2210/065 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A laryngeal mask, comprising a housing;
the housing comprising a neck part and a head part extending from a first end of the neck part, the head part comprising a sealing face and an opposing face;
the sealing face and the opposing face being connected by an enclosing wall extending upwardly from the sealing face, the opposing face comprising a protrusion; the sealing face comprising
a peripheral seal for forming a seal around a larynx and having an opening arranged to be positioned over a laryngeal opening; and
wherein the mask further comprises an airway tube positioned within the housing and extending from a second end of the neck part to the opening in the peripheral seal; and
wherein the head part comprises a resiliently deformable portion comprising the protrusion, the protrusion being arranged to overlie the opening in the sealing face and extend away from the sealing face so as to define a cavity between the sealing face and the opposing face;
wherein the resiliently deformable portion is moveable between an uncompressed position and a compressed position during compression of the head part between the opposing face and the sealing face; and
wherein the cavity comprises a fluid sump for receiving fluid from a supraglottic or other region of a patient and is configured to receive at least a part of the opposing face comprising the protrusion during compression of the head part between the opposing face and the sealing face.