Hand-held sampling device preventing deformation of sampling wipe and method of use thereof
US8141441B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2008 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Sep 29, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2001/028
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A hand-held sampling apparatus used for an ion mobility spectrometer and method of obtaining a sample are provided to prevent deformation of sampling wipes when detecting explosives and drugs. The apparatus has a body comprising a handle in the rear portion and a wiping sampling mechanism in the front portion, with a wiping surface located on its underside. The sampling wipe can be in full contact with the surface of the object during wiping to improve wiping efficiency. Correspondingly, a smaller sample inlet port can be disposed on the analyzer so as to save a large amount of sampling wipes. and meanwhile avoid sampling wipes from deformation and folds hard to restore, thereby ensuring subsequent sample insertion operation, enhancing the efficiency of both sample collection and sample injection and improving the detection performance for the analytes to be detected. The method of using said sampling device according to the present invention comprises the following steps: attaching a sampling wipe to the swiping surface; fixing the front end portion of the sampling wipe by using the front holder, and fixing the rear end portion of the sampling wipe by using the rear holder. The me…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.