# K092335: Peak Expiratory Flow Meter, KN-9710

- Pathway: 510(k) (Traditional)
- Applicant: K-Jump Health Co., Ltd.
- Decided: Apr 9, 2010 after 248 days
- Product code: BZH (Meter, Peak Flow, Spirometry)
- Device class: 2
- Regulation: 21 CFR 868.1860
- 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 K943678 (1995). 5 ancestors in all.
No later device cites it as a predicate yet.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K010009: Koko Peak KP; Koko Peak KP+, Pds Healthcare Products, Inc. (2001) Summary page 1.
- K040723: Microlife Electronic Peak Flow Monitor, with Pef and FEV1, Models PF-100 and PF-100-1 (with Software), Microlife Intellectual Property GmbH (2004) Summary page 1.

## Indications for use
K-jumnp Health Go, Ltd. Peak Flow Meter, Model KN-9710, is intended for monitoring expiratory-breath function at home under direction of a physician or licensed health care professional. It measures the peak expiratory flow (PEF) and timed forced expiratory volumes over 1 second (FEVI). This device can be used from 6-year-old children to adult patients for monitoring and managing of chronic respiratory conditions, especially asthma and COPO.

Source page: https://510kreport.com/device/K092335
Methodology: https://510kreport.com/methodology