Wound drainage device with resealable access cap
US4468227A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 29, 1981 |
| Grant date | Aug 28, 1984 |
| Priority date | — |
| Expiry date | May 29, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M27/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wound drainage device in the form of a flexible pouch having top and bottom walls and having pleated side walls that allow the top wall to be lifted a limited distance without transmitting appreciable lifting or tensioning forces to the bottom wall when the bottom wall is surgically apertured and secured about a wound site. The top wall includes an access opening having a flanged locking ring of flexible plastic extending thereabout. A removable closure cap is attached to the access opening, the cap having a flat rim of flexible plastic with circumferential locking ribs releasably and sealingly engaging a series of mating ribs provided by the flanged portion of the ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.