Table 6.

MAUDE-Level Stratification of Individual Devices

	MAUDE I	MAUDE II	MAUDE III	MAUDE IV
TURP
Energy cable	21 (10.7%)	0 (0%)	0 (0%)	0 (0%)
Resectoscope	45 (22.8%)	0 (0%)	1 (0.5%)	0 (0%)
Cutting loop	111 (56.3%)	2 (1.0%)	3 (1.5%)	0 (0%)
Electrical generator	11 (5.6%)	3 (1.5%)	0 (0%)	0 (0%)
HoLEP
Laser fiber	13 (33.3%)	0 (0%)	0 (0%)	0 (0%)
Morcellator	18 (46.1%)	1 (2.6%)	3 (7.7%)	1 (2.6%)
Endoscope	3 (7.7%)	0 (0%)	0 (0%)	0 (0%)
UroLift®
UroLift® implant	14 (87.5%)	1 (6.3%)	1 (6.3%)	0 (0%)
GreenLight™
Laser fiber	2313 (99.9%)	2 (0.1%)	0 (0%)	0 (0%)