An occlusive dressing is a trauma dressing used in first-aid that can also keep out air and water. They are usually wax-coated to provide a better seal and to avoid absorption like gauze.
occlusive dressing.
Tension pneumothorax
Joseph Lister used Carbolic Acid (Phenol) as an antiseptic during surgery.
To treat sucking chest wounds, you should use an occlusive dressing to prevent air from entering the wound.
Cover the wound with gloved hand, have second person place occlusive dressing (if no occlusive dressing, use a piece of plastic like zip lock bag or a wrapper from firstaid kit, etc) and tape it over the wound on three sides leaving the bottom open for drainage. Perform CPR as normal.
A paramedic and EMT would use an occlusive dressing to treat a slit throat, preventing air from entering the wound.
Petroleum gauze is used as an occlusive dressing to seal lacerations or punctures to the abdominal cavity (aka sucking chest wounds) or the neck.
occlusive means stopped or so much narrowing . non occlusive means smoothly flow ,no hemolysis
The second method of patch testing involves applying a small amount of the test substance to directly to normal skin and covering it with a dressing that keeps air out and keeps the test substance in (occlusive dressing).
Wash any dirt out with running water. Apply some Hydrogen Peroxide to disinfect the wound. Then you can apply some ointment such as ozonol. Cover with a bandaid or other dressing. The dressing can be changed once a day and more ointment can be applied if desired.
"Occlusive" is an adjective that refers to the occlusal, which is the chewing surface of molar and pre-molar teeth.