(4-traders.com) DENVER, CO--(Marketwired - Mar 9, 2015) - AORN Annual Congress - Megadyne Medical Products, The Electrosurgical Authority,® and full-solution electrosurgical equipment developer and manufacturer, today unveiled the new Zip Pen Smoke Evacuation Pencil at the Association of periOperative Registered Nurses (AORN) annual conference in...http://www.4-traders.com/news/Megadyne-Reveals-New-Zip-PenTM-Smoke-Evacuation-Pencil-to-Help-Protect-Operating-Room-Staff-From-H--19996887/