Ultrasonic shears consist of which components?

Navigate the Fundamentals of Laparoscopic Surgery (FLS) Exam with confidence. Utilize flashcards and multiple-choice questions, featuring hints and thorough explanations. Prepare effectively for your certification.

Multiple Choice

Ultrasonic shears consist of which components?

Explanation:
Ultrasonic shears work by using high-frequency mechanical vibration delivered to an actively moving blade that cuts and coagulates tissue, while tissue is held and manipulated by a passive, non‑moving jaw. The handpiece contains a transducer that converts electrical energy into rapid blade vibration; the passive jaw keeps tissue stable as the vibrating blade shears it. This two-jaw setup—one vibrating, one passive—enables effective dissection and coagulation without relying on rotation, suction, or clip-applier functions.

Ultrasonic shears work by using high-frequency mechanical vibration delivered to an actively moving blade that cuts and coagulates tissue, while tissue is held and manipulated by a passive, non‑moving jaw. The handpiece contains a transducer that converts electrical energy into rapid blade vibration; the passive jaw keeps tissue stable as the vibrating blade shears it. This two-jaw setup—one vibrating, one passive—enables effective dissection and coagulation without relying on rotation, suction, or clip-applier functions.

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