Breath test device and method
US8622920B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2006 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Sep 20, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y5/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The disclosure relates to breath test devices and methods for the evaluation of liver functional and metabolic capacity or to assess liver heath and/or degree of liver injury. Specifically, there is provided a method of evaluating a liver condition, the method includes on-line monitoring a metabolic product of methacetin, a salt or a derivative of methacetin, in a subject's breath after administering to the subject isotope labeled methacetin, a salt or a derivative thereof in water solution form. There is also provided a device for evaluating a liver condition, the device includes one or more sensors adapted to monitor on-line an isotope level of a metabolic product of labeled methacetin, or a salt or a derivative of methacetin in a subject's breath and a controller adapted to sample measurements of the one or more sensors at a continuous mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.