Drainage system with holding chamber
US4460362A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 21, 1982 |
| Grant date | Jul 17, 1984 |
| Priority date | — |
| Expiry date | Jul 21, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/882
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drainage system for body fluids comprising, a receptacle having a collection chamber for retaining the body fluids, a container having a supply chamber for retaining a bactericide, and a holding chamber. The system has a first one-way valve member permitting the passage of bactericide from the supply chamber into the holding chamber, and preventing passage of the bactericide from the holding chamber into the supply chamber. The system has a second one-way valve member for permitting passage of the bactericide from the holding chamber into the collection chamber, and for preventing passage of the contents from the collection chamber into the holding chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.