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® Evolution® Biliary Controlled-Release StentSend Enquiry Add to Enquiry Cook® Extraction BalloonsSend Enquiry Add to Enquiry Cook® Fusion Extraction BasketsSend Enquiry Add to Enquiry Cook® ManometrySend Enquiry Add to Enquiry Cook® SphincterotomesSend Enquiry