# K211041: Wrist Blood Pressure Monitor, Model Name:W203, Wrist Blood Pressure Monitor, Model Name:W202, Wrist Blood Pressure Monitor, Model Name:W1681

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen Yuezhongxing Technology Co., Ltd.
- Decided: Aug 30, 2021 after 144 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: 1 generation back to K190693 (2019). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K190693: HEM-6410T-ZL Wrist Blood Pressure Monitor, Omron Healthcare, Inc. (2019) Summary page 4.

## Most influential descendants
- K233799: Wrist Blood Pressure Monitor (222); Wrist Blood Pressure Monitor (222BT); Wrist Blood Pressure Monitor (W1681BL); Wrist Blood Pressure Monitor (W1681BT); Wrist Blood Pressure Monitor (W1681R) (2024), 0 descendants of its own

## Indications for use
The device are digital monitor intended for use in measuring blood pressure and pulse rate in adult patient population with wrist circumference ranging form 5 3/8 inches to 7 2/3 inches (13.5cm to 19.5cm). The devices detect the appearance of irregular heartbeats during measurement and gives a warning signal with readings.

Source page: https://510kreport.com/device/K211041
Methodology: https://510kreport.com/methodology