(a) Identification.
         A water jet renal stone dislodger system is a device used to dislodge stones from renal calyces (recesses of the pelvis of the kidney) by means of a pressurized stream of water through a conduit. The device is used in the surgical removal of kidney stones.
     
    
        
        (b) Classification.
         Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of  part 807 of this chapter subject to  § 876.9.
     
    
        
            Code of Federal Regulations
        
        [48 FR 53023, Nov. 23, 1983, as amended at 63 FR 59228, Nov. 3, 1998]