# K171174: PERIO-FLOW nozzle

- Pathway: 510(k) (Traditional)
- Applicant: E.M.S Electro Medical Systems S.A
- Decided: Dec 18, 2017 after 241 days
- Product code: EFB (Handpiece, Air-Powered, Dental)
- Device class: 1
- Regulation: 21 CFR 872.4200
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K900709 (1990). 4 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K132480: Air-Flow Handy 3.0 Perio, E.M.S Electro Medical Systems S.A (2014) Summary page 4.

## Most influential descendants
- K241880: Air Powered Tooth Polishing System (Perio-Mate); Air Powered Tooth Polishing System (Perio Mate Nozzle Tip) (2024), 0 descendants of its own

## Indications for use
The PERIO-FLOW nozzle, used with EMS PERIO-FLOW dental handpieces, is intended for patients suffering from periodontal disease. The PERIO-FLOW nozzle, used with EMS PERIO-FLOW dental handpieces, is indicated for the non-surgical removal of subgingival plaque in pockets up to 5 mm after initial periodontal treatment.

Source page: https://510kreport.com/device/K171174
Methodology: https://510kreport.com/methodology