# K222994: Arm Blood Pressure Monitor, models AOJ-33A and AOJ-33B

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen AOJ Medical Technology Co., Ltd.
- Decided: Jul 26, 2023 after 301 days
- Product code: DXN (System, Measurement, Blood-Pressure, Non-Invasive)
- Device class: 2
- Regulation: 21 CFR 870.1130
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 8 generations back to K001670 (2000). 8 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K191180: Electronic Blood Pressure Monitor, Shenzhen AOJ Medical Technology Co., Ltd. (2019) Summary page 4.

## Most influential descendants
- K232814: Electronic Blood Pressure Monitor (2023), 0 descendants of its own

## Indications for use
The Arm Blood Pressure Monitor is intended to measure the systolic pressure and diastolic pressure, as well as the pulse rate of adult person via non-invasive oscillometric technique at medical facilities or at home.

Source page: https://510kreport.com/device/K222994
Methodology: https://510kreport.com/methodology