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The dressings used for the technique include foam dressings, sealed with an occlusive dressing intended to contain the vacuum at the wound site. [1] Where NPWT devices allow delivery of fluids, such as saline or antibiotics to irrigate the wound, intermittent removal of used fluid supports the cleaning and drainage of the wound bed. [6]
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 can be designed to prevent bacterial infection, retain moisture, promote optimum adhesion to tissues, and satisfy the basic requirements of biocompatibility. [1] [2] Hydrogel dressings can also be designed to respond to changes in the microenvironment at the wound bed. [3]
Timing is important to wound healing. Critically, the timing of wound re-epithelialization can decide the outcome of the healing. [11] If the epithelization of tissue over a denuded area is slow, a scar will form over many weeks, or months; [12] [13] If the epithelization of a wounded area is fast, the healing will result in regeneration.
[1] [2] It is a topical wound dressing and is considered suitable for superficial wounds. [1] [3] The rate of release of iodine is dependent on the amount of moisture from the wound. [2] The dressing is thin, and comes sandwiched between backing papers, from which it is peeled. [4]
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