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What Should We Pay Attention To When Using High Frequency Electrosurgery?

Time:2023-08-13 16:55:50

The following issues should be paid attention to high frequency unit use:

1. The high-frequency electrosurgical knife should be operated by qualified medical staff with professional training, and the operating instructions should be read carefully before using the new electrosurgical knife to prevent safety problems caused by misoperation.


2. The power supply of the high-frequency electric knife should be provided with a three-pin socket with reliable grounding to ensure that the metal casing of the instrument, protection or functional grounding point is reliably grounded. This is the most basic prerequisite for preventing electric shock.


3. High-frequency electrocautery during surgery will produce sparks and arcs. Flammable and explosive gas liquids or disinfectants should be kept away from the high-frequency electric knife. Before surgery, flammable and explosive gases that may exist in the patient's body holes, especially alcohol, should be excluded. The flames after burning alcohol are invisible and more harmful.


4.High-frequency electrosurgery is not recommended for patients with cardiac pacemakers. High-frequency electrosurgery can interfere with the pacemaker and stop it from working. High frequency should not act directly on the patient's heart; digital or pedicle-like tissue such as the penis in children should not be used with electrocautery.


5. Do not blindly increase the output power, the power is limited to meet the surgical effect. The general operation power output is recommended to be between 30W and 70W. If there are special needs (such as amputation), it is recommended that the power should not exceed 200W. Before and after the machine is used, the power of the machine should be kept at a minimum, so as to ensure that the power directly applied to the patient's body is the safest.


6. The negative plate of the high-frequency electrosurgical knife should be placed as close to the surgical site as possible, and should be placed in a clean, dry, muscle (rather than fat)-rich part without bony prominence. Low impedance and good electrical conductivity to reduce resistive heating; one-time use should be avoided as much as possible, because the adhesiveness will decrease after repeated use, which may easily cause burns.


7. Any link outside the electrosurgical knife system composed of the electrode plate, the cutter head, the cable and the patient shall not be grounded. Because the electrosurgery uses a suspension system, the current flows through an independent circuit and must not be grounded. No part of the patient should come into contact with the metal parts of the operating bed, such as the anesthesia head frame, the brain head frame, the support frame, the tripod and the metal parts of the bed edge, otherwise the skin of this part will be easily burned.


8. Intraoperative medical staff should wear rubber gloves with good insulation to ensure that they do not form a grounding point with the patient and cause electric shock.


9. It is not recommended to connect the unused cutter head to the instrument. It is forbidden to place the temporarily unused cutter head on the patient's body to prevent accidental triggering and burn the patient or medical staff.


10. Operators should wear non-metallic glasses during endoscopic surgery to prevent high-frequency radiation from eddy current heating in the metal frame and burn the eyes.


11. When metal objects (such as steel nails, steel rings, steel plates, etc.) are implanted in the patient's body, the high-frequency current should be kept away from the metal implant to prevent eddy currents from heating and burning the patient.


12. The reliability of the electric knife accessories (hand-controlled knife, foot-controlled knife, electrode plate, etc.) should be carefully checked before use to prevent the malfunction or poor contact from causing the electric shock of the DC component, which is very dangerous.


13. A fuse with a reliable rated ampere should be used. Remember not to blindly increase the amperage of the fuse, so as to avoid damage to the instrument and cause personal safety problems for patients and medical staff.


What Should We Pay Attention To When Using High Frequency Electrosurgery?
The following issues should be paid attention to high frequency unit use: 1. The high-frequency electrosurgical knife should be operated by qualified medical staff with professional training, and the
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