Laparoscopic Upper GI Surgery — Flashcards

Flashcard 1: Versapoint is _____ electrosurgical system that works in normal saline

Answer: bipolar

Flashcard 2: The minimally invasive endoscopic procedure for achalasia cardia that involves a submucosal myotomy is _____.

Answer: peroral endoscopic myotomy (POEM)

Flashcard 3: Hasson's trocar is used in the _____ method of creating a pneumoperitoneum and avoids the morbidity related to a blind puncture

Answer: open

Flashcard 4: Verres needle is used in the _____ method of creating a pneumoperitoneum and involves blind puncture of the peritoneum.

Answer: closed

Flashcard 5: Hasson's trocar is used in the _____ method of creating a pneumoperitoneum and avoids the morbidity related to a blind puncture

Answer: open

Flashcard 6: Ligasure seals tissue by administration of _____ current and low voltage that of 180 V (low/high)

Answer: high

Flashcard 7: Patients with medically intractable symptoms (ex. bradykinesia, rigidity) of Parkinsons disease may benefit from deep brain stimulation (DBS) of the _____ or the subthalamic nucleus

Answer: Globus pallidus internus

Flashcard 8: The harmonic scalpel vibrates at _____ Hz range

Answer: 20,000 – 55,000 Hz

Extra: The Harmonic scalpel (ultrasonic dissector) vibrates at a frequency range of 20,000 to 55,000 Hz. The most commonly cited specific frequency for the Ethicon Harmonic Scalpel is **55,500 Hz**. It works by converting electrical energy into mechanical longitudinal vibration, which causes protein denaturization and coaptive coagulation.