WA Macintosh 4 Fiber Optic Laryngoscope Blade Comb Ultrasound Muscle Stim With Flip Back Detachable Full MSHQ BH180S With Flip Back Detachable Full Arms * Built in seat rail extension and extendable upholstery easily adjusts seat depth to 16 or 18 * Attendant wheel locks in a convenient and easily accessible location * Spreader bar acts as a back stabilizer and a convenient push handle for the attendant * Operates on 9 volt battery * Effective easy to use electronic muscle neuromuscular stimulators * Easy one hand operation including current adjustment active probe positioning and on off control * Two year warranty on materials and workmanship * Weight: 5 ounces * Ideal for facial and smaller peripheral muscles Removable repolishable light pipes make these the longest lasting fiber optic laryngoscope blades in the world * Reduced handle and blade weight for improved balance and maneuverability facilitating even the most difficult intubations * Repairable allowing replacement of the deteriorating light payways for a fraction of the cost of a replacement blade * Single piece stainless steel blades ensure blade integrity (no soldered joints) * Overall length 160mm * Inside base to tip 135mm