Breath sampling mask and system
Embodiments herein include a breath sampling mask, systems, and related methods. In an embodiment, a breath sensing system is included. The breath sensing system can include a breath sampling mask. The breath sampling mask can include a mask housing configured to cover a portion of the face of a patient. The mask housing can define a breath receiving chamber. The breath sampling mask can include a chemical sensor element in fluid communication with the breath sampling mask, where the chemical sensor element can include a plurality of discrete binding detectors. The chemical sensor element can interface with a breath sample collected through the breath sampling mask. Other embodiments are also included herein.
1. A breath sensing system comprising:
a breath sampling mask comprising
a mask housing configured to cover a portion of a face of a patient, the mask housing defining a breath receiving chamber;
a chemical sensor element in fluid communication with the breath sampling mask, the chemical sensor element comprising a plurality of discrete binding detectors; each binding detector comprising a graphene varactor, wherein the chemical sensor element interfaces with a breath sample collected through the breath sampling mask;
a nose clip member for helping to secure the breath sampling mask to the face of a patient, wherein the nose clip member further comprises a sensor.
2. The breath sensing system of claim 1 , further comprising circuitry for generating signals from the discrete binding detectors.
3. The breath sensing system of claim 1 , the sensor comprising one or more of a temperature sensor, a heart rate sensor, and a blood pressure sensor.
4. The breath sensing system of claim 1 , further comprising a second sensor comprising one or more of an ambient temperature sensor, an ambient humidity sensor, an internal temperature sensor, and an internal humidity sensor.
5. The breath sensing system of claim 1 , further comprising a removable breath sample container disposed within the breath receiving chamber.
6. The breath sensing system of claim 1 , further comprising a gas outflow conduit in fluid communication with the breath receiving chamber.
7. The breath sensing system of claim 1 , further comprising a chemical sensor holder configured to allow removable mounting of a chemical sensor element.
8. The breath sensing system of claim 7 , wherein the chemical sensor holder is disposed within the breath receiving chamber.
9. The breath sensing system of claim 1 , further comprising a chemical sensor holder housing in fluid communication with the breath receiving chamber; wherein the chemical sensor element is disposed within the chemical sensor holder housing.
10. The breath sensing system of claim 1 , further comprising a filter in fluid communication with a one-way airflow valve.
11. The breath sensing system of claim 1 , the mask housing further comprising a dividing wall isolating the breath receiving chamber into a nasal chamber and a mouth chamber.
12. The breath sensing system of claim 11 , further comprising a one-way airflow valve in fluid communication with the nasal chamber and an area outside of the mask housing, the one-way airflow valve only allowing a flow of air from the area outside of the mask housing into the nasal chamber.
13. The breath sensing system of claim 1 , the graphene varactor comprising an insulator layer, a gate electrode, a dielectric layer a graphene layer, and a contact electrode.
14. The breath sensing system of claim 13 , the graphene varactor comprising eight gate electrode fingers.