Patent ID: 11938273
Assignee: ORIDION MEDICAL 1987 LTD.
Field: Measurement (Instruments)
Classification: CPC A  G | IPC A  G

Claim 0:
1. An oxygen mask configured for CO2 sampling and oxygen delivery, the oxygen mask comprising:
an oxygen inlet;
a nasal breath-sampling element configured to reduce dilution of exhaled breath by oxygen delivered through the oxygen inlet, wherein the nasal breath-sampling element comprises a nasal trap, the nasal trap comprising:
a plurality of oxygen supply perforations disposed across the nasal trap and configured to allow the oxygen to enter the nasal trap; and
a trap wall shaped to isolate a nasal exhale area of a subject from the oxygen delivered to the oxygen mask, wherein the trap wall is configured to surround a nose of the subject; and

a breath sampling port configured to receive breath samples, sampled by the nasal breath-sampling element, wherein the breath sampling port is in fluid flow connection with the nasal trap.