| SHIMADZU COLLIMATOR R-300 (K101039) | Shimadzu Corp. | 2010-09-20 |
| R650 QDASM COLLIMATOR (K093572) | Omega Medical Imaging, Inc. | 2010-02-03 |
| SHIMADZU COLLIMATOR R-30H (K090578) | Shimadzu Corp. | 2009-11-06 |
| RALCO, MODEL R225 ACS (K091517) | Ralco S.R.L. | 2009-07-14 |
| MODEL R605DASM AUTOMATIC X-RAY COLLIMATOR (K083029) | Ralco S.R.L. | 2008-12-05 |
| MODEL R302DACS/A AUTOMATIC X-RAY COLLIMATOR (K072780) | Ralco S.R.L. | 2007-11-26 |
| COLLIMARE COLLIMATOR FAMILY (K073124) | Collimare, LLC | 2007-11-16 |
| R605 FACS COLLIMETER (K050092) | Omega Medical Imaging, Inc. | 2005-01-31 |
| DUNLEE FORMAT COLLIMATOR FAMILY (K031597) | Philips Medical Systems North America Co. | 2003-07-21 |
| PHILIPS NICOL COLLIMATOR FAMILY (K990423) | Philips Medical Systems, Inc. | 1999-03-15 |
| XRE COLLIMATOR WITH SPECTRAL FILTER (K984414) | Trex Medical Corp. | 1998-12-30 |
| XRE COLLIMATOR (K960998) | Xre Corp. | 1996-04-03 |
| PHILIPS GALLILEO AUTOMATIC COLLIMATOR (OR BEAM LIMITING DEVICE) (K951372) | Philips Medical Systems, Inc. | 1995-05-04 |
| COLLIMATOR F-20 (K920725) | Shimadzu Medical Systems | 1992-04-16 |
| STEREO COLLIMATOR RF-T SERIES (K920733) | Shimadzu Medical Systems | 1992-04-16 |
| COLLIMASTER-90 (K911127) | Varian Assoc., Inc. | 1991-09-19 |
| ULTRANET-S COLLIMATOR (K894142) | GE Medical Systems | 1989-11-06 |
| COLLIMATOR MODEL A280BLE & MODEL A280-BLM (K861942) | D&R X-Ray Products, Inc. | 1986-07-25 |
| SENTEC LASER GUIDE LINE, MODEL SGL-05 (K862340) | Sentec Corp. | 1986-07-11 |
| LIGHT BEAM COLLIMATOR (K843244) | Dealers X-Ray Co., Inc. | 1984-09-14 |
| YTTRO FILTER (K833779) | Yttro Corp. | 1984-06-05 |
| X-RAY COLLIMATING DEVICES (K810598) | Midmark Corp. | 1981-04-10 |
| P.R.M. 80 (K810590) | T.E.M. Instruments , Ltd. | 1981-04-10 |