# K020778: Gyrus Ent Somnoplasty Tissue Coagulating Electrode, Model 2420

- Pathway: 510(k) (Traditional)
- Applicant: Gyrus Ent LLC
- Decided: May 28, 2002 after 78 days
- Product code: GEI (Electrosurgical, Cutting & Coagulation & Accessories)
- Device class: 2
- Regulation: 21 CFR 878.4400
- 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 K000720 (2000). 1 ancestor in all.
77 later devices descend from it; 1 cites it directly.
0 of 79 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K000720: Somnus Disposable Tissue Coagulating Electrode and Somnus Reusable Connector Cable, Somnus Medical Technologies, Inc. (2000) Summary page 2.

## Most influential descendants
- K021777: Gyrus Ent Cogent 2/G2 System (Generator,Accessories Somnoplasty Electrodes and Plasmacision Electrodes) (2002), 76 descendants of its own
- K034004: Diego RF Powered Dissector and Drill System Console (2004), 50 descendants of its own
- K072302: Entellus Medical RS-Series System (2008), 44 descendants of its own
- K081542: Modification to Entellus Medical RS-Series System (2008), 42 descendants of its own
- K093007: Entellus Medical Balloon Device (2010), 41 descendants of its own

## Indications for use
The Gyrus ENT Somnoplasty® Model 2420 Tissue Coagulating Electrode is intended for use in the coagulation of tissues in the head and neck by qualified medical personnel trained in the use of electrosurgery. Indications for use for the Gyrus ENT Model 2420 Tissue Coagulating Electrode include the coagulation and reduction of enlarged tonsils for patients 13 years of age and older.

Source page: https://510kreport.com/device/K020778
Methodology: https://510kreport.com/methodology