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What Should We Pay Attention To When Using The Negative Plate Of High Frequency Electrosurgery Unit?

Time:2023-08-13 16:34:20

Precautions for the use of the negative plate of the high-frequency electrosurgical knife


High frequency electrosurgical negative plate

Improper operation of the high-frequency electrosurgical knife during use will cause burns to the human body, among which the burns at the negative plate account for a large proportion of the high-frequency electrosurgical use accidents. Plate burn: because the current density at the plate is too large, the minimum value of the plate area is 64.5m2. The characteristics of low current resistance determine that the negative plate is the place with the largest current density. When the area of the plate is smaller than this value, the plate burn will occur.


When choosing a negative plate, in addition to choosing a better quality, more attention should be paid to the operation. The negative plate should be close to the human skin. The small contact area will cause the resistance to increase, and the current density at the negative plate will be greater. The heat generated by the high-frequency current gathering here will cause skin burns. Therefore, during the operation, the steel plate over 100cm~2 must be in close and uniform contact with the patient's skin.


Secondly, the paste position of the negative plate of the high-frequency electrosurgical knife should be kept clean and dry, and it should be pasted on the developed muscle tissue (muscle is more conductive than fat and produces lower impedance). For example, it cannot be placed in joints or hair of the thigh part. Exuberant with scars out. Another principle is to try to prevent it from being close to the surgical site, which can reduce the working resistance.


In addition, the power output of the high-frequency electrosurgical knife should be reasonably selected in the operation to achieve the best surgical effect instead of arbitrarily increasing the power output.



What Should We Pay Attention To When Using The Negative Plate Of High Frequency Electrosurgery Unit?
Precautions for the use of the negative plate of the high-frequency electrosurgical knife High frequency electrosurgical negative plate Improper operation of the high-frequency electrosurgical knife d
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