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Therefore, it is usually the smallest or sharpest electrode that generates the most heat. Cut/Coag Most wet field electrosurgical systems operate in two modes: "Cut" causes a small area of tissue to be vaporized, and "Coag" causes the tissue to "dry" (in the sense of bleeding being stopped). "Dried" tissues are killed (and will later slough or ...
Microwaves and short waves cannot be used on or near persons with implanted electronic cardiac pacemakers. Hyperthermia induced by microwave diathermy raises the temperature of deep tissues from 41 °C to 45 °C using electromagnetic power. The biological mechanism that regulates the relationship between the thermal dose and the healing process ...
When a bone is cut during surgery bleeding can be a difficult problem to control, especially in the highly vascular bones of the spine and sternum. Bleeding from soft tissue is normally stopped using a cautery that creates heat, causing blood vessels to collapse and become sealed. Since the blood in living bone flows through channels in the ...
Heatwaves deep in oceans may be "significantly under-reported", highlighting an area of marine warming that has been largely overlooked, a joint study by Australia's national science agency (CISRO ...
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Medical applications of radio frequency (RF) energy, in the form of electromagnetic waves (radio waves) or electrical currents, have existed for over 125 years, [1] and now include diathermy, hyperthermy treatment of cancer, electrosurgery scalpels used to cut and cauterize in operations, and radiofrequency ablation. [2]
“The victim was bleeding profusely on the scene,” an assistant district attorney said in court. “He suffered a deep cut to his wrist, lost a significant amount of blood, requiring a ...
Penetrating trauma is an open wound injury that occurs when an object pierces the skin and enters a tissue of the body, creating a deep but relatively narrow entry wound.In contrast, a blunt or non-penetrating trauma may have some deep damage, but the overlying skin is not necessarily broken and the wound is still closed to the outside environment.