Plastic molded biological sample collection swab
US5031635A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1990 |
| Grant date | Jul 16, 1991 |
| Priority date | — |
| Expiry date | Aug 27, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B10/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A porous molded plastic swab construction for microbiological or other use including a swab element attached to an elongated carrier member. The swab is constructed from molded porous plastic materials such as high density polyethylene, ultra-high molecular weight polyethylene, polypropylene, polyvinyledene fluoride, ethylene-vinyl acetate, styrene-acrylonitrile, polytetrafluoroethylene and silicone rubber having a pore size of from about 10 to about 2,000 microns with a density of about 35% to about 60% void volume. The swabs are designed for incorporation into specimen collection instruments, or for individual use as collectors or applicators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.