# K781302: Neurostat, Lloyd

- Pathway: 510(k) (Traditional)
- Applicant: Spembly Medical, Ltd.
- Decided: Aug 15, 1978 after 18 days
- Product code: GXH (Device, Surgical, Cryogenic)
- Device class: 2
- Regulation: 21 CFR 882.4250
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
23 later devices descend from it; 2 cite it directly.
0 of 24 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
- K031482: Cryostar System, Comprising: a) Cryostar Console, B) Cryostar 1MM Cryoprobe, C) Cryostar 2MM Cryoprobe, D) Convenience (2003), 22 descendants of its own
- K050272: Cryomedical Instruments Cryo-Pac Systems (2005), 11 descendants of its own
- K100447: Myoscience Cryo-Touch (2010), 10 descendants of its own
- K142203: Atricure Cryo Module System; cryoICE cryoablation probe (2014), 9 descendants of its own
- K102021: Cryo-Touch II (2010), 9 descendants of its own

Source page: https://510kreport.com/device/K781302
Methodology: https://510kreport.com/methodology