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A wound is any disruption of or damage to living tissue, such as skin, mucous membranes, or organs. [1] [2] Wounds can either be the sudden result of direct trauma (mechanical, thermal, chemical), or can develop slowly over time due to underlying disease processes such as diabetes mellitus, venous/arterial insufficiency, or immunologic disease. [3]
An occlusive dressing is an air- and water-tight trauma medical dressing used in first aid.These dressings are generally made with a waxy coating so as to provide a total seal, and as a result do not have the absorbent properties of gauze pads.
Wounds are normally described in a variety of ways. Descriptions may include wound size (length) and thickness; plainly visible wound characteristics such as shape and open or closed; and origin, acute or chronic. [3] The most common descriptors of wounds are these: Incision: Straight edges
Applying a dressing is a first aid skill, although many people undertake the practice with no training – especially on minor wounds. Modern dressings will almost all come in a prepackaged sterile wrapping, date coded to ensure sterility.
The wound is initially cleaned, debrided and observed, typically 4 or 5 days before closure. The wound is purposely left open. Examples: healing of wounds by use of tissue grafts. If the wound edges are not reapproximated immediately, delayed primary wound healing transpires. This type of healing may be desired in the case of contaminated wounds.
An improved version was introduced in 1940, designated First-Aid Packet, U.S. Government – Carlisle Model to tackle the problem of front line wounds and casualties. The Carlisle Bandage underwent a number of changes in its development during WW2. In summer of 1940, U.S. Army, Carlisle Model Small First-Aid Dressing made its appearance.
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