# K905059: High Speed Magnetic Stimulator

- Pathway: 510(k) (Traditional)
- Applicant: Cadwell Laboratories, Inc.
- Decided: Sep 18, 1991 after 314 days
- Product code: GWF (Stimulator, Electrical, Evoked Response)
- Device class: 2
- Regulation: 21 CFR 882.1870
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
11 later devices descend from it; 1 cites it directly.
0 of 12 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
- K051864: Magstim RAPID2, Magstim Super RAPID2, Models 3004-000, 3005-00 (2005), 10 descendants of its own
- K061645: Magpro, Model R30 (2006), 7 descendants of its own
- K091940: Magpro, Models R30 with Magoption, X100, X100 with Magoption (2010), 2 descendants of its own
- K160280: MagPro R20 (2016), 1 descendant of its own
- K242345: Delphi Stimulator (2024), 0 descendants of its own

Source page: https://510kreport.com/device/K905059
Methodology: https://510kreport.com/methodology