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US 11,446,460 B1Granted
Pressure regulated airway assist device
AssigneeDechoker LLC
InventorAlan R. Carver
Life of this patent
Estimating the term…
Abstract
An airway assist device and methods of making and using an airway assist device to assist in opening an airway or removing fluid or material obstructing an airway of a subject.
Claims22
An airway assist device, comprising:
- a barrel having a barrel proximal end and a barrel distal end, said barrel distal end having a first barrel distal end opening;
- a plunger slidably disposed within said barrel;
- a face mask having a hollow stem fluidically coupled to said first barrel distal end opening at said barrel distal end, said face mask configured to seal about a mouth and nose of a person;
- and
- a first one-way valve coupled to a second barrel distal end opening at said barrel distal end through which fluid passes into said barrel, said first one-way valve configured to regulate suction pressure within said barrel upon outward draw of said plunger in said barrel toward said barrel proximal end, said first one-way valve opens at a preselected suction pressure relative to atmospheric pressure outside of said barrel.
2 more elements
Dependencies are inferred from the claim text.