Home Medtronic ENT BALLOON SPHENOID NuVent™ EM sinus dilation system with integrated navigation Balloon seeker, EM sphenoid balloon 5.0mm x 17.0mm 🔍 Balloon seeker, EM sphenoid balloon 5.0mm x 17.0mm Catalogue No: 1830517sph • For use with Medtronic ENT electromagnetic (EM) navigation • Sphenoid designs • 5mm balloon size options Related products Balloon seeker, EM sphenoid balloon 6.0mm x 17.0mm