Patent · US Active

Portable sampling device and method for sampling drug substances from exhaled breath

US9977011B2 · kind B2 · utility

6Cited by

21References

31Claims

0Family size

Assignee

Sensa Bues AB · SE

Inventors

Olof Beck · Boo, SE
Bo Hammarlund · Sollentuna, SE

Key dates

Filing date	Mar 9, 2012
Grant date	May 22, 2018
Priority date	—
Expiry date	Feb 1, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG01N33/4975
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A portable drug sampling device for handheldly collecting a sample from exhaled breath of a subject for further sensor based analysis. The device comprising: a housing (406) comprising at least one inlet (407) and at least one outlet (408) for the exhaled breath to exit through, and a sampling membrane (302) arranged in the housing. A tubular element (40) having a mouthpiece section (401) for the subject to exhale into, and a saliva trap section comprising baffles (103) to create a non-straight gas flow path for letting aerosols pass through the tubular element. The sampling membrane (302) is arranged to collect the aerosols from the exhaled breath. The portable drug testing device further comprises a volume collecting element (208).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.