1. Video assistance reduces complication rate of thoracoscopic sympathicotomy for hyperhidrosis 
Johannes Zacherl, MD, Martin Imhof, MD, Erik R Huber, MD, Eugen G Plas, MD, Friedrich Herbst, MD, Raimund Jakesz, MD, Reinhold Függer, MD 
The Annals of Thoracic Surgery 
Volume 68, Issue 4, Pages (October 1999)
DOI: /S (99)

2. Fig 1
Trocar and cannula and thoracoscope. The thoracoscope is a straightforward thoracoscope, 0 degrees, wide angle, with an angled eyepiece (A), a 6-mm instrument channel (B), a port for fiber optic light transmission (C), and a part for a rubber balloon pump (D). For video-assisted procedures, a videocamera is mounted at the eyepiece. (Reproduced with permission of Karl Storz Company, Tuttlingen, Germany).
The Annals of Thoracic Surgery  , DOI: ( /S (99) )

3. Fig 2
Operative technique. (Top left) The diathermy hook is inserted between the pleura and the sympathetic trunk, and (top right) the pleura is opened by coagulation. (Bottom left) The sympathetic trunk is elevated by the hook and subsequently divided by coagulation. (Bottom right) Result after complete nerve division. (Re- printed from Kux [2] with permission.)
The Annals of Thoracic Surgery  , DOI: ( /S (99) )