NDI Passive Spheres™

Single-use NDI Passive Spheres™ are used on optically-tracked tools during computer-assisted therapies including image-guided surgery.

Packaged for ease-of-use in a sterile environment, NDI Passive Spheres™ are designed by the same company that provides the optical measurement systems at the core of computer-assisted therapy systems around the world.

NDI Passive Spheres™ offer …

• Single-use, sterile packages of 1,3 or 4 units to eliminate waste, costs and degradation associated with re-processing
• A reliable snap-fit to NDI mounting posts for a secure attachment to tools
• Optimal design by NDI for accurate tracking
• Convenient 11.5 mm (0.45 ") diameter for best results and minimal obstruction