Ostomy appliance with three-lement coupling ring assembly
US4889534A · kind A · utility
57Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1988 |
| Grant date | Dec 26, 1989 |
| Priority date | — |
| Expiry date | Aug 23, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F5/448
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ostomy appliance including a collection pouch, an adhesive faceplate for adherence to a patient, and a coupling ring assembly detachably connecting the pouch and faceplate together. The coupling ring assembly comprises a pair of flexible plastic latching rings capable of being connected together by axially-applied forces and a soft, deformable, sealing ring interposed between, and axially compressed by, opposing wall portions of the latching rings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.