# K990256: CRX World Shunt

- Pathway: 510(k) (Special)
- Applicant: Phoenix Biomedical Corp.
- Decided: Apr 1, 1999 after 64 days
- Product code: JXG (Shunt, Central Nervous System And Components)
- Device class: 2
- Regulation: 21 CFR 882.5550
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K930768 (1994). 4 ancestors in all.
No later device cites it as a predicate yet.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K951925: Dicomit, Dicomit Imaging Systems Corp. (1995) Summary page 1.
- K961459: Level 10 Hdi, Advanced Technology Laboratories, Inc. (1997) Summary page 1.
- K964617: GE Logiq 700 Diagnostic Ultrasound System, GE Medical Systems (1997) Summary page 1.

Source page: https://510kreport.com/device/K990256
Methodology: https://510kreport.com/methodology