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An adhesive island dressing, in its original packaging (left) and on a person's wrist (right) A dressing or compress [1] is a piece of material such as a pad applied to a wound to promote healing and protect the wound from further harm.
Hydrocolloid dressings are used to treat uninfected wounds. [6] Dressings may be used, under medical supervision, even where aerobic infection is present; the infection should be treated appropriately. [citation needed] The dressing is applied to a cleaned wound. Hydrocolloid patches are sometimes used on the face for acne.
Hydrogel dressings should promote an appropriate microenvironment for angiogenesis, recruitment of fibroblasts, and cellular proliferation. [ 2 ] [ 4 ] Hydrogels respond elastically to applied stress; gels made from materials like collagen exhibit high toughness and low sliding friction, reducing damage from mechanical stress.
The adhesive bandage protects the wound and scab from friction, bacteria, damage, and dirt. Thus, the healing process of the body is less disturbed. Some of the dressings have antiseptic properties. An additional function is to hold the two cut edges of the skin together to make the healing process faster. [1]
Synthetic polymers are ubiquitous in commercial materials and products in everyday use, such as plastics, and rubbers, and are major components of composite materials. Polymer chemistry can also be included in the broader fields of polymer science or even nanotechnology , both of which can be described as encompassing polymer physics and ...
Chitosan composite for tissue engineering: Chitosan powder blended with alginate is used to form functional wound dressings. These dressings create a moist, biocompatible environment which aids in the healing process. This wound dressing is also biodegradable and has porous structures that allows cells to grow into the dressing. [4]