Perforated binder for laminated wound dressing
US11998424B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2022 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Aug 7, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/00936
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of manufacturing a laminated dressing that includes providing a lower layer having a fiber material that directly contacts a patient's skin and a wound area, providing an upper layer that has a foam or foam-like material that absorbs exudate and moisture, and binding the fiber-based lower layer and the foam-based upper layer with a binder layer comprising a binder material, the binder layer including a series of perforations. The perforations in the binder layer are formed by removing material from the binder layer with a pattern coated adhesive sheet prior to binding the fiber-based lower layer and the foam-based upper layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.