# K844131: Nucleotome

- Pathway: 510(k) (Traditional)
- Applicant: Medical Instrument Development Laboratories, Inc.
- Decided: Nov 29, 1984 after 37 days
- Product code: HSZ (Instrument, Surgical, Orthopedic, Pneumatic Powered & Accessory/Attachment)
- Device class: 1
- Regulation: 21 CFR 878.4820
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
29 later devices descend from it; 2 cite it directly.
0 of 30 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
- K032473: Dekompressor Percutaneous Discectomy Probe (2003), 28 descendants of its own
- K040919: Nucleotome Probe Set, Model 21200 (2004), 17 descendants of its own
- K062038: X-Sten Mild Tool Kit, Model MTK-0001 (2006), 14 descendants of its own
- K093062: Vertos Medical Mild Device Kit (2010), 13 descendants of its own
- K180876: DTRAX Spinal System (2018), 7 descendants of its own

Source page: https://510kreport.com/device/K844131
Methodology: https://510kreport.com/methodology