# K121773: Nimbus Electrosurgical Radiofrequency Multitined Expandable Electrode

- Pathway: 510(k) (Traditional)
- Applicant: Biomerics
- Decided: Sep 21, 2012 after 95 days
- Product code: GXI (Probe, Radiofrequency Lesion)
- Device class: 2
- Regulation: 21 CFR 882.4725
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K972846 (1998). 1 ancestor in all.
2 later devices descend from it; 2 cite it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K972846: BMC RF Cannula, Baylis Medical Co., Inc. (1998) Summary page 2.

## Most influential descendants
- K190259: Vesta RF Cannula (2020), 0 descendants of its own
- K150371: Diros OWL Sterile Single Use TridentTM R.F. Insulated Cannulae,Models DTR and DTRH (2015), 0 descendants of its own

## Indications for use
The Nimbus Electrosurgical Radiofrequency Multitined Expandable Electrode, in combination with an RF generator and probe, are intended for use in madiofrequency (RF) heat lesion procedures for relief of pain.

Source page: https://510kreport.com/device/K121773
Methodology: https://510kreport.com/methodology