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Woundclot Trauma Gauze and Hemostatic Gauze

Posted by Sébastien Billard on 24th Oct 2018

When we talk about bleeding, the withers immediately comes to mind. But not all hemorrhages are garrotable (cases of wounds to the head, neck, chest, abdomen) and all are not serious to the point of requiring the installation of a tourniquet. For these cases, haemostatic gauzes can then be very useful, in addition to a simple bandage or a compressive dressing . These gauzes, when used properly, are able to stop arterial bleeding.

Hemostatic gauze Woundclot

Different brands of hemostatic gauze exist. The two gauzes that I present to you today are part of the Woundclot range developed by Core Scientific Creation, an Israeli company.

Trauma Gauze (white packaging) is intended for the treatment of moderate and severe bleeding. It is marketed for emergency doctors. The Hemostatic Gauze (green packaging) is when it is intended for the treatment of severe bleeding. It is marketed for the military. These gauzes come in a variety of sizes, from 4-inch (10 cm) to 39-inch (1 m). The version shown in this post is 3 * 8 inches (8 * 20 cm). All these gases work in the same way: a hemostatic agent based on cellulose impregnates the gauze. In contact with blood, the haemostatic agent becomes a gel that traps platelets and activates substances that will accelerate coagulation and stop bleeding.

Woundclot gas unpacked

Visually, nothing distinguishes the two versions. However, to the touch, the Hemostatic Gauze seems a little stiffer than the Gauze Trauma, and its smell is a bit more pronounced. Also it is likely that this version is impregnated with a larger amount of hemostatic agent, or that the nature of the agent is slightly different.

How to use these gauzes? It all depends on the type of injury. On a shallow but extensive injury, without arterial damage (eg, severe skin abrasion, scalp injury, shallow laceration), gauze may be laid flat on the affected area. On a deep wound, however, it will be necessary to stuff the wound, taking care to put the gauze in direct contact with the damaged blood vessel or artery ( examples in video ). Moderate compression is recommended for maximum efficiency. Depending on the severity of the lesions, the time to reach hemostasis can range from 4 to 17 minutes (PDF) . The gauze can then be removed from the hospital by wetting it with saline solution, this operation does not destroy the clot formed.

Woundclot User Manual

Which version to choose? As an individual, my preference is for mid-size versions, such as 8 * 20 cm, large enough to handle a wide variety of wounds, and small enough to remain affordable. Gauze Trauma or Hemostatic Gauze does not matter, even if the Trauma seems a little stronger.

Woundclot products can be purchased at great prices from Israeli First Aid I thank for sending the copies used in the writing of this article :)