Wound dressing
US6235964A · kind A · utility
54Cited by
30References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Feb 24, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/412
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved wound dressing is provided which comprises a backing layer bearing a reference marking, a hydrocolloid layer and a release layer. The hydrocolloid swells in use. This swelling can be seen or felt through the backing layer. When the swelling extends to or beyond the reference marking, the dressing should be changed to prevent leaking. Thus, the dressing can be left in place for as long as possible, but not so long as to damage the underlying skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.