Anti-reflux device
US3965900A · kind A · utility
44Cited by
9References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 1974 |
| Grant date | Jun 29, 1976 |
| Priority date | — |
| Expiry date | Oct 2, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F5/4405
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An anti-reflux device for a collection bag having an inlet port communicating with the inside of the bag and a generally planar surface surrounding the port on the inside of the bag. The device has a thin flexible valve element having sufficiently large dimensions to cover the inlet port, and means for retaining the valve element adjacent the surface on the inside of the bag in a sliding relationship with the inlet port and with the valve element covering the port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.