Spinal Fusion Curette - Bayonet ShaftDDP Elite USA Spinal Fusion Curette is designed for use in procedures dealing with fusion of spinal segments and is specifically of used when it is necessary to collect samples of tissue or bone or more generally to increase access to a specific location. Uniquely featured in this curette is a bayonet shaft which offsets the handle slightly as well as oval shaped cups for collection of tissue or bone. This curette is available from size 5 0 to size 0