Apparatus and method for collecting a breath sample using an air circulation system
US11957450B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2020 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Feb 17, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2560/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus and method for collecting a breath sample are provided. The apparatus has a breath input interface configured to receive exhaled breath, a first conduit system connected to the breath input interface, a valve configured to control fluid communication between the first conduit system and at least one breath sample storage device configured to store a breath sample, an air circulation system configured to circulate air through the first conduit system upon completion of a first received exhaled breath, and at least one controller configured to control the valve upon completion of the first received exhaled breath at least partially based on a humidity level in the first conduit system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.