# K102303: Blood Pressure Meter, Model CH-658

- Pathway: 510(k) (Special)
- Applicant: Citizen Systems Japan Co., Ltd.
- Decided: Sep 10, 2010 after 25 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
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Indications for use
The Citizen Model CH-658 blood pressure meter is intended to be used for oscillometric measurement of systolic and diastolic blood pressure and pulse by using a non-invasive technique in which an inflatable cuff is wrapped around the wrist. The device detects the appearance of irregular heartbeat during measurement, and gives a warning signal with the reading once the irregular heartbeat is detected. The device is intended to be used for checking personal health condition at home, and not primarily under the order or direction of a physician.

Source page: https://510kreport.com/device/K102303
Methodology: https://510kreport.com/methodology