Chris WHEELER,Chris TODD,Jeffrey A. SCHUSTER,Karl-Magnus LARSSON
申请号：
US16714298
公开号：
US20200187828A1
申请日:
2019.12.13
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A system comprises a mouth piece to receive exhaled air； a breath chamber to receive exhaled air； a valve to direct exhaled air along a desired flow path, direct purge gas along a desired flow path, control the rate of flow of purge gas, control the rate of flow of exhaled air, block the flow of purge gas, and/or block the flow of exhaled air； a source of purge gas； a CO2 cartridge to remove CO2； a water cartridge to remove water； a breath cartridge to capture VOCs from exhaled air； a temperature control system to control the temperature of CO2 cartridge, a water cartridge, and/or a breath cartridge； a cryostat to contain and limit heat flow to a cryogenic liquid； a flow meter designed to measure the flow of exhaled air and/or purge gas； and a pressure transducer to measure a pressure, a flow rate, and/or a flow volume.
