Harmonic scalpel is a common bipolar electrical energy handpiece used in the OR. What does the working end accommodate?
a. Scissors only
b. Light beam
c. Blade tip or scissors
d. Laser
ANS: C
The Harmonic scalpel is bipolar energy converted into mechanical vibrations. It does not function as an ESU. The instrument cuts and spot coagulates protein by ultrasonic vibration and minimal thermal effects. The tissue dissolves on contact. It can be used as a scissor tip or a blade tip.
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Which of the following is NOT a typical reason for a denied claim?
a. Patient age or gender does not match the procedure. b. Information on the claim is missing. c. Diagnosis code does not match procedure performed. d. Procedure was performed on the wrong person.
Adipose tissue has a ________ when exposed to therapeutic ultrasound
A) high absorption coefficient and will heat up significantly B) low absorption coefficient and will heat up significantly C) low absorption coefficient and will not heat up significantly D) high absorption coefficient and will not heat up significantly