Devices descending from K843646
5 later devices reach Steinway Micro-Kerato-Trephine through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K981155 | Flapmaker Disposable Microkeratome | Hawken Industries | 1998 | 4 | — |
| +2 | K052891 | Horizon Epikeratome Disposable Microkeratome System | Hawken Industries | 2006 | 0 | — |
| +2 | K990900 | Microkeratome, Model MK-2000 | Nidek, Inc. | 1999 | 2 | — |
| +3 | K032297 | Disposable N-PE Mickrokeratome Blades | Oasis Medical, Inc. | 2003 | 0 | — |
| +3 | K022205 | Disposable N-PE Microkeratome Blades | Oasis Medical, Inc. | 2002 | 0 | — |