Testing for neurovascular uncoupling in multiple sclerosis using sequential gas delivery versus fixed inspired CO2
US11998351B2 · kind B2 · utility
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Key dates
| Filing date | Aug 21, 2020 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Apr 6, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/56366
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus and method for assessing vascular compliance in subjects with multiple sclerosis using sequential gas delivery is provided. The apparatus includes a gas delivery device and a processor. The processor controls the gas delivery device to deliver a first and second gas during a single inspiration. The first gas contains a mixture of oxygen and carbon dioxide necessary to target an end-tidal concentration of the two gases. The second gas includes a concentration of carbon dioxide equal to the target end-tidal concentration of carbon dioxide.
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