Animal-derived wound matrix dressing

An animal-derived wound matrix dressing is a bioabsorbable material made from animal proteins, such as collagen peptides, designed to support wound healing by providing a structural framework or cellular template that encourages the body’s own cells to infiltrate and regenerate tissue. It is used clinically for partial- and full-thickness wounds, ulcers, and surgical or traumatic wounds, and may be formulated as a solution, powder, or occlusive/semi-occlusive cover, sometimes combined with other substances like alginate or fatty acids.

This category consists of single-use devices that are not medicated and do not contain living cells as a primary function, though they may support cellular attachment. These dressings are typically regulated as medical devices based on their mechanism of action—providing a physical or biological scaffold rather than acting via pharmacological, immunological, or metabolic means—and may require a secondary dressing for optimal use. Classification and regulatory pathways vary by jurisdiction but are determined by the device’s intended use and risk profile.