Editing Wound healing (section)

== Wound classification ==
{| class="wikitable"
|Type 1 - clean
|
** Uninfected operative wound with no inflammation and no entering of special tracts
** Heal with negligible risk of infection
** Primary closure is best
|-
|Type 2 - clean contaminated
|
** Operative wounds where the respiratory, alimentary, genital, or urinary tracts were entered under controlled conditions
** Only minor spillage 
** Close primarily after wound toilet
|-
|3 - contaminated
|
** Open, fresh, accidental wounds
** Operative where non-purulent inflammation is present
** Operative with major break in sterile technique or spillage from GIT
** Need copious irrigation before delayed primary or sometimes primary closure
|-
|4 - dirty

|
** Infected, contaminated, or devitalised wounds (the organisms causing post-op infection were present prior to the operation)
** Includes perforated viscera
** Open wounds >12 hours
** Need to be converted to type 1 or 2 prior to closure
|}