Hydrogel bandage
US5160328A · kind A · utility
177Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1991 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Aug 7, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/15821
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A self-adhesive bandage is provided. The bandage comprises a substrate having a first side and a second side and a plurality of layers including a backing layer which forms the first side of the substrate, and an adhesive layer which forms the second side of the substrate. A hydrogel layer is disposed over the second side of the substrate and is made from a polyurethane hydrogel material especially suitable for absorbing bodily fluids, such as wound exudate. Additionally, a plurality of support layers may be interposed between the substrate and the hydrogel layer to provide the bandage with additional support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.