Collagen wound dressings are gels, pads, particles, pastes, powders, sheets or solutions derived from bovine, equine, porcine or avian sources. Some interact with wound exudate to form a gel. Indicated for partial- and full-thickness pressure ulcers, venous ulcers, donor sites, surgical wounds, vascular ulcers, diabetic ulcers, second-degree burns, abrasions and traumatic wounds. Usually require a secondary dressing.
Resource:
Woundsource.com