Devices descending from K891131
10 later devices reach Gammamed 12I through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K063815 | Varian Esophagus Bougie Applicator | Varian Medical Systems | 2007 | 1 | — |
| +1 | K030745 | Gammamed 212 and 232 Source Assembly | Varian Medical Systems | 2003 | 7 | — |
| +2 | K082530 | Applicators for Afterloading Brachytherapy | Isodose Control B.V. | 2008 | 0 | — |
| +2 | K052947 | Source Production & Equipment CO, Inc., Model M-19 IR-192 Brachytherapy Source | Source Production & Equipment Co., Inc. | 2006 | 1 | 1 |
| +2 | K042864 | Implant Sciences Corp, Model HDR-4140 | Implant Sciences Corp. | 2005 | 4 | — |
| +3 | K161396 | SPEC Model M23 | Source Production and Equipment Co., Inc. | 2016 | 0 | — |
| +3 | K092522 | ACU007S | Oncology Systems, Inc. | 2009 | 0 | — |
| +3 | K090366 | Spec Model M-31 | Source Production & Equipment Co., Inc. | 2009 | 1 | — |
| +3 | K070468 | Implant Sciences Corp. Model HDR 4454 | Implant Sciences Corp. | 2007 | 0 | — |
| +4 | K141038 | Ant Model 1 | Advanced Nuclide Technologies, LLC | 2014 | 0 | — |