Top 10 amazing movie makeup transformations. A trocar is a versatile medical instrument usually inserted through a hollow tube called a cannula that functions as a portal into the body of a surgical patient. The purpose of a trocar is the introduction of three essential elements: illumination, a viewing scope and surgical tools.
Bentonite clay is sedimentary clay composed of weathered and aged volcanic ash, the most active deposits of which are in Wyoming and Montana. It is a âhealing clay,â a clay that absorbs impurities such as toxins and heavy metals either when ingested or applied topically.
In these applications, the bentonite is usually in contact with water. Thus the clay-water characteristics are of primary importance to industry. The chemical composition of the bentonite is a consideration only because changes in physical properties accompany changes in chemical composition.