ELECTROSURGICAL CAUTERY MACHINE: Electrosurgical units (ESU) use a high-frequency electrical current to cut tissue and control bleeding by causing coagulation. Tissue resistance to the high-density current causes a heating effect which results in tissue destruction. Electrical current is delivered and received through cables and electrodes.
Electrosurgical units are used for surgical cutting and for controlling bleeding by causing coagulation (haemostasis) at the surgical site. They deliver high-frequency electrical current through an active electrode tip, causing vaporization, desiccation, or charring by resistive heating in the target tissue.
To destroy tissue using a hot or cold instrument, an electrical current, or a chemical that burns or dissolves the tissue. This process may be used to kill certain types of small tumors or to seal off blood vessels to stop bleeding.
Electrosurgery is a technique often used in surgery to control bleeding and to rapidly dissect soft tissue in surgery. The electrical resistance of these soft tissues to an electromagnetic current generates heat. The endpoints of electrosurgery vary based on the waveform, power used, and surgical technique.
Electrocautery, also known as thermal cautery, refers to a process in which a direct or alternating current is passed through a resistant metal wire electrode, generating heat. The heated electrode is then applied to living tissue to achieve hemostasis or varying degrees of tissue destruction.
Electrosurgery provides numerous benefits including but not limited to:
- Minimizes bleeding at the application.
- Allows for greater precision with cutting and coagulation settings.
- Offers a relatively fast method for tissue resection or ablation.
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