| Source guide tube light with locking mechanism for 113 mm needles, GammaMedplus | 00816389024120 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube light with locking mechanism for 200mm needles, GammaMedplus | 00816389024113 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube light with locking mechanism for 250mm needles, GammaMedplus | 00816389025639 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube light with locking mechanism for 320 mm needles, GammaMedplus | 00816389025622 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube with locking mechanism for 113 mm needles, GammaMedplus | 00816389021570 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube with locking mechanism for 200 mm needles, GammaMedplus | 00816389021471 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube with locking mechanism for 250 mm needles, GammaMedplus | 00816389024762 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube with locking mechanism for 320 mm applicators, GammaMedplus | 00816389021495 | Varian Medical Systems, Inc. | Class I | |
| Source guide tube with locking mechanism for source step viewer and PermaDoc, GammaMedplus | 00816389021525 | Varian Medical Systems, Inc. | Class I | |