Which energy devices are commonly used in laparoscopy for coagulation and cutting, respectively?

Which energy devices are commonly used in laparoscopy for coagulation and cutting, respectively?

• A. Monopolar energy for coagulation and laser fiber for cutting
• B. Bipolar energy for coagulation and ultrasonic (Harmonic) devices for cutting and coagulation with reduced thermal spread
• C. Plasma energy for cutting; Bipolar energy for coagulation
• D. Bipolar energy for cutting and ultrasonic for coagulation only

Answer: (B)

In laparoscopic surgery, different energy devices are chosen based on how they deliver energy to tissue and what effect that energy has—coagulation to stop bleeding, or cutting. Bipolar energy coagulates by delivering current between two tips with tissue between them, which confines the heat to the target area and gives precise hemostasis with minimal unintended spread. Ultrasonic devices, like the Harmonic scalpel, operate by high-frequency vibration that cuts while also coagulating tissue; this method achieves cutting and coagulation with notably less thermal spread compared to traditional electric energy. Therefore, pairing bipolar energy for coagulation with ultrasonic (Harmonic) devices for cutting and coagulation—with reduced thermal spread—is a common and effective approach in laparoscopy.

In laparoscopic surgery, different energy devices are chosen based on how they deliver energy to tissue and what effect that energy has—coagulation to stop bleeding, or cutting. Bipolar energy coagulates by delivering current between two tips with tissue between them, which confines the heat to the target area and gives precise hemostasis with minimal unintended spread. Ultrasonic devices, like the Harmonic scalpel, operate by high-frequency vibration that cuts while also coagulating tissue; this method achieves cutting and coagulation with notably less thermal spread compared to traditional electric energy. Therefore, pairing bipolar energy for coagulation with ultrasonic (Harmonic) devices for cutting and coagulation—with reduced thermal spread—is a common and effective approach in laparoscopy.