Drip chamber for intravenous infusion
US5902281A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1997 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | Dec 30, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/1403
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a drip chamber for an intravenous infusion set. The invention also relates to a method of making drip chambers, and further, to an intravenous infusion set including a drip chamber. The invention is provided with a drip chamber comprising a housing defining a chamber to be located in a vertical position and including an inlet at the top and an outlet at the bottom; a first hydrophilic filter covering the outlet effective, when wet, to permit the flow therethrough of a liquid and to block the flow therethrough of air; and a second hydrophilic filter covering the inlet also effective, when wet, to permit the flow therethrough of a liquid and to block the flow therethrough of air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.