The Hiossen Crestal Approach Sinus Kit (CAS-Kit) is designed for maxillary sinus surgery, facilitating safe membrane lifting and featuring a unique CAS-Drill that allows for various drilling speeds and precision cutting. The kit includes specialized components like a hydraulic lift system, bone carrier, and spreader, automated membrane lifting, and is clinically tested for effectiveness in various dental procedures. Key features ensure safety, ease of use, and adaptability for different implant types, with instructions for maintenance and optimal usage provided.