Antibacterial wound dressing

US4191743A · kind A · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Klaus Klemm · Frankfurt, DE
• Helmut Wahlig · Darmstadt, DE

Key dates

• Filing date: Nov 2, 1977
• Grant date: Mar 4, 1980
• Expiry date: Nov 2, 1997

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2300/406
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Antibiotics can be effectively administered to wounds over long time periods by a wound dressing which comprises at least two layers of synthetic resin arranged one above the other and an intermediate layer composed of a synthetic resin granulate (particle size: 0.5-3mm) having an antibiotic incorporated therein.