# K864676: Heyer-Schulte Hermetic External CSF Drain. System

- Pathway: 510(k) (Traditional)
- Applicant: American V. Mueller
- Decided: Dec 29, 1986 after 27 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.
6 later devices descend from it; 1 cites it directly.
0 of 7 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
- K972994: External CSF Drainage Management Systems (1997), 5 descendants of its own
- K030289: Hermetic Plus External CSF Drainage Systems, Ins-8301,Ins-8302,Ins-8700, NL850-830N (2003), 2 descendants of its own
- K121248: Liquoguard CSF Liquoguard CSF Tubing Set (1500MM) Liquoguard CSF Tubing Set (2000MM) Safety Cushion for Tubing Set Attac (2013), 1 descendant of its own
- K170599: SureFlo EVD Catheter (2017), 0 descendants of its own
- K150898: LiquoGuard 7, LiquoGuard 7 Drainage Set, Lenght 2000mm (2015), 0 descendants of its own

Source page: https://510kreport.com/device/K864676
Methodology: https://510kreport.com/methodology