Play by Ear for Precision Cryotherapy

Use an otoscope earpiece duringcryotherapy to avoid injury to normalsurrounding tissue.

Use an otoscope earpiece duringcryotherapy to avoid injury to normalsurrounding tissue. Hold the earpiecewith a hemostat clamp or other suitableclamp, and spray the liquid nitrogeninto the earpiece.
-- Richard T. Vetter, MD
   Fargo, ND