Active grip filter plug for sample collection devices
US8137958B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2008 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Jul 14, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N1/2813
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system for collecting a biological sample includes a collection device comprising a cylindrical body having a bore extending there through and a filter membrane disposed at one end thereof; a filter plug having an insert configured for insertion into the bore; a collar concentrically mounted about the exterior surface of the insert and configured for insertion into the bore; and a gasket disposed about the exterior surface of the insert, wherein an outer dimension of the gasket is variable in response to relative movement between the collar and the insert, and wherein the gasket has a cross section with two end portions and a mid portion that is located radially further away from the insert than the two end portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.