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Surgical Support
ELECTROCAUTERY MACHINE
An electrocautery machine (also known as an electrosurgical unit or ESU) is a medical device that uses a high-frequency electrical current to heat ...
Key Highlights
- Patient Return Electrode Monitoring (REM): An alarm system to monitor contact quality with the patient plate and prevent burns.
Features
- Patient Return Electrode Monitoring (REM): An alarm system to monitor contact quality with the patient plate and prevent burns.
Technical Specifications
| Technology | Most modern units are microprocessor-controlled. |
| Modes | They typically offer both monopolar and bipolar modes. |
| Monopolar | Current flows from the handpiece, through the patient's body, to a separate return (grounding) pad. This is used for general surgery over larger areas. |
| Bipolar | Current flows only between two closely spaced electrodes (e.g., the tips of forceps), providing localized effect and high precision, ideal for delicate procedures like eye surgery or neurosurgery. |
| Power Output | Power ratings vary, from around 50W for compact, minor surgery units to 300W or 400W for robust operating theatre systems. |
| Operating Frequency | High-frequency alternating current is typically used, often in the range of 350 kHz to over 400 kHz. |
| Modes of Operation | Multiple modes for specific tissue effects are common: |
| Cut | Pure Cut for clean incisions, or Blend Cut for cutting with some hemostasis. |
| Coagulation | Modes like Soft, Fulgurate (for non-contact coagulation), or Spray (for diffuse bleeding). |
| Self | test: The unit performs a diagnostic check upon power-on. |
| Audio | visual indicators: Alarms for errors or activation. |
| Automatic shut | off: Power delivery is blocked in case of a fault or improper contact. |
| User Interface | Often features digital displays or LCD touchscreens for power settings and error alerts. |
| Activation | Activation is typically controlled via a footswitch (single or double pedal) or a hand-switch on the surgical pencil. |
| Compatibility | Many advanced units can integrate with other systems like argon plasma coagulators or smoke evacuators. |
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