# K051572: Koko Legend

- Pathway: 510(k) (Special)
- Applicant: Pulmonary Data Services, Inc.
- Decided: Nov 17, 2005 after 156 days
- Product code: BZG (Spirometer, Diagnostic)
- Device class: 2
- Regulation: 21 CFR 868.1840
- 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 K896120 (1990). 8 ancestors in all.
7 later devices descend from it; 1 cites it directly.
0 of 16 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K831779: Collins Eagle II, Warren E. Collins, Inc. (1983) Summary page 1.
- K914272: Koko Spirometer, Ferraris Respiratory, Inc. (1992) Summary page 1.
- K022276: Kokomate, Ferraris Respiratory, Inc. (2002) Summary page 1.

## Most influential descendants
- K100687: Vitalograph Hand Held Spirometer, Model 2120 (2010), 6 descendants of its own
- K200550: Vitalograph Model 2120 In2itive eDiary (2020), 2 descendants of its own
- K212938: Vitalograph Model 6000 Alpha (2022), 1 descendant of its own
- K142812: Vitalograph Model 6800 Pneumotrac (2015), 1 descendant of its own
- K251777: MESI mTABLET SPIRO (2026), 0 descendants of its own

## Indications for use
The KoKo LEGEND (Diagnostic Spirometer) is an Office Spirometer. It is intended as a configurable, portable, non-invasive pulmonary function tester (PFT) system. These tests are suitable for both pediatric and adult patient testing.

Source page: https://510kreport.com/device/K051572
Methodology: https://510kreport.com/methodology