Devices descending from K981055
5 later devices reach Xknife-4 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K041997 | Radionics Xknife RT 3 with Non Stereotactic Module | Radionics, A Division of Tyco Healthcare Group LP | 2004 | 1 | — |
| +1 | K991237 | Xplan-2 with Head and Neck Localizer, Model HNL | Radionics, Inc. | 1999 | 2 | 1 |
| +2 | K081935 | Stereotactic Head and Neck Localizer, Model 50-100 | Aktina Medical Physics Corp. | 2008 | 1 | — |
| +2 | K061893 | Integra Radionics Xknife RT 4 | Integra Radionics, Inc. | 2006 | 0 | — |
| +3 | K103616 | Pinpoint Stereotactic Head and Neck Localizer | Aktina Medical Physics Corp. | 2011 | 0 | — |