# K022311: Rhinostream Rhinomanometer Module

- Pathway: 510(k) (Traditional)
- Applicant: Rhino Metrics A/S
- Decided: Oct 4, 2002 after 79 days
- Product code: BXQ (Rhinoanemometer (Measurement Of Nasal Decongestion))
- Device class: 2
- Regulation: 21 CFR 868.1800
- 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 K902120 (1990). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K902120: Mercury Rhinomanometer, Life-Tech Intl., Inc. (1990) Summary page 2.

## Indications for use
A Rhinomanometer is a medical instrument, intended to measure nasal ainvay pressure up to 5 centimeters H 2 0. (500Pa) and air flow up to 1000 nilis. This is a non-invasive procedure, which is useful to the physician in studying the nasal decongestion of the nasal passage as it e.g. changes due to allergies, before and after surgical procedures, responses to medications, presence or absence of polyps, deviated septums, enlarged adenoids, etc.

Source page: https://510kreport.com/device/K022311
Methodology: https://510kreport.com/methodology