# K944222: Codman-Medos Valve Shunt System

- Pathway: 510(k) (Traditional)
- Applicant: Johnson & Johnson Professionals, Inc.
- Decided: Jul 28, 1995 after 332 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
No predicates in its family tree.
49 later devices descend from it; 8 cite it directly.
1 of 50 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K974739: Hakim Programmable Valve System (1998), 42 descendants of its own
- K973774: Codman Hakim Micro Precision Valve (1997), 40 descendants of its own
- K980778: Hakim Micro Programmable Valve System (1998), 38 descendants of its own
- K992465: Sophy SU8 Pressure Adjustable Valve (2000), 29 descendants of its own
- K012052: Medtronic PS Medical Strata Valve, Models 42855, 42865, 92865, 92855 (2002), 25 descendants of its own

Source page: https://510kreport.com/device/K944222
Methodology: https://510kreport.com/methodology