# K090303: Xtend-ST Nucleus Removal System, Model 9004

- Pathway: 510(k) (Traditional)
- Applicant: Corespine Technologies, LLC
- Decided: Apr 30, 2009 after 83 days
- Product code: HRX (Arthroscope)
- Device class: 2
- Regulation: 21 CFR 888.1100
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K922881 (1992). 26 ancestors in all.
No later device cites it as a predicate yet.
0 of 27 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K022578: Endius Flextip Blade, Endius, Inc. (2002) Summary page 1.
- K040919: Nucleotome Probe Set, Model 21200, Clarus Medical, LLC (2004) Summary page 1.
- K041233: Arthrojet XT, Hydrocision, Inc. (2004) Summary page 1.

## Indications for use
The XTEND-ST Nucleus Removal System is indicated to resect damaged or diseased intervertebral nucleus pulposus material found in the adult lumbar disc space.

Source page: https://510kreport.com/device/K090303
Methodology: https://510kreport.com/methodology