# K230409: Wrist Type Blood Pressure Monitor (W05,W1101L)

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen Jamr Technology Co., Ltd.
- Decided: Aug 25, 2023 after 191 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: 12 generations back to K001670 (2000). 23 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 25 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K220651: Wrist Type Blood Pressure Monitor, Shenzhen Jamr Medical Technology Co., Ltd. (2022) Summary page 4.

## Most influential descendants
- K253570: Blood Pressure Monitor (W06LT) (2026), 0 descendants of its own

## Indications for use
This device is intended to measure the systolic and diastolic blood pressure as well as the pulse rate of adult by using the wrist circumference 12.5-21.5cm, it can be used in medical facilities or at home. It is supplied for OTC use.

Source page: https://510kreport.com/device/K230409
Methodology: https://510kreport.com/methodology