3 Rompen Sinus Lift Instrument 3 Rompen Sinus Lift Instrument IMPROMP36 Used during a sinus lift procedure to separate/reflect the Schneiderian membrane from the maxillary bone and to elevate the membrane. 3.9mm Where to Buy x Category - Any - Dealer Partners Sales Representative Strategic Markets Schools Representative Accutronâ„¢ Equipment Sales Zip Code Find Representative Reset No results found. Please try a different search or explore: Sales Representatives | Dealer Partners | Strategic Markets | Schools | Accutron