Patent ID: 11890419
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 16:
17. A positive pressure ventilation (PPV) elbow for accessing the oral cavity of a patient wearing a PPV mask under pressure, comprising:
a housing forming the elbow and defining an air supply conduit extending between an air supply inlet and an air supply outlet, the air supply conduit configured to deliver pressurized air from the inlet to the outlet;
a mask connector configured to removably attach to the positive pressure ventilation mask;
an access port formed through the housing into the conduit, the access port providing access to the mouth of a patient wearing the mask with the elbow connected thereto,
the port providing direct access to the mouth of the patient through the mask connector;
an access valve positioned in the port and configured to open to a diameter of at least 20 mm and less than 30 mm, the access valve including a plurality of leaflets configured to open in response to an object placed therethrough and form a seal therebetween when the object is removed, wherein the leaflets are configured to form the seal from the ventilator pressure in the conduit of the housing and wherein the leaflets are configured to self-revert under a pressure of 8-20 cm H2O after being inverted by removal of the object.