Cook® Sphere® Inflation Device Send Enquiry Product Information During minimally invasive balloon dilation procedures, the Cook Sphere Inflation Device can be used to inflate the balloon with fluid, to monitor the pressure in the balloon during the procedure, and to deflate the balloon after dilation. Related products Add to Enquiry Cook® ERCP CathetersSend Enquiry Add to Enquiry Cook® Fusion Dilation CatheterSend Enquiry Add to Enquiry Cook® Savary-Gilliard® DilatorsSend Enquiry Add to Enquiry TaeWoong Niti-S™ Bumpy™ Biliary StentSend Enquiry Add to Enquiry TaeWoong Niti-S™ Comvi™ Biliary StentSend Enquiry