# K042434: Micro-Motorsystems MD20, SEM2, Highsurg 20 & DT55

- Pathway: 510(k) (Traditional)
- Applicant: Nouvag AG
- Decided: Nov 3, 2004 after 56 days
- Product code: DZI (Drill, Bone, Powered)
- Device class: 2
- Regulation: 21 CFR 872.4120
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
22 later devices descend from it; 1 cites it directly.
0 of 23 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K043408: Piezosurgery Device (2005), 21 descendants of its own
- K060274: Piezotome (2006), 10 descendants of its own
- K083284: Piezosurgery Medical (2009), 9 descendants of its own
- K100410: Piezoelectric System (2010), 8 descendants of its own
- K132848: Piezosurgery Flex (2013), 6 descendants of its own

Source page: https://510kreport.com/device/K042434
Methodology: https://510kreport.com/methodology