Wound treatment device
US7772454B2 · kind B2 · utility
6Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2003 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Sep 25, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/00936
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wound treatment device comprising a water-impermeable envelope having at least one aperture. The envelope contains a therapeutic substance. The at least one aperture in the envelope is blocked by a material that breaks down in the presence of one or more active components of wound fluid thereby permitting the therapeutic substance to contact the wound fluid. Preferably, the aperture is blocked by a material that is a substrate for an enzyme present in would fluid, such as a protease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.