A&D UA-631
Device Model:
UA-631
Manufacturer:
A&D Company Ltd., 3-23-14 Higashi-Ikebukuro, Toshima-Ku, 170-0013 Tokyo, JAPAN.
Measuring functions:
Blood pressure
Primary Client Use:
Intended for self-measurement and home use
Measurement Site:
Upper Arm
Measurement Occurrence:
Single measurements only
Availability:
Available Currently
Availability according to Countries or Regions:
Japan
Device Manual:
Description:
The A&D UA-631 is an automatic blood pressure monitor. Its blood pressure measurement technology has been proven to be accurate. Blood pressure measurements are taken from the upper arm. It is intended for self-measurement and home use.
Assessment:
The technology used in the A&D UA-631, to measure blood pressure, has passed in a clinical validation study, in a general population, according to a recognised standard protocol, as published in a peer-reviewed publication.
Recommendations:
| Accuracy Assessment | Recommendation | Basis | |
| BP | Medaval | Legacy approval | Older clinical validation; older protocol |
| BP | ESH (Europe) | Self-measurement | Published evidence |
| BP | Japanese Society of Hypertension | Self-measurement (2017-2018) | Published evidence |
| BP | Stride BP | Self-measurement for adults | Published evidence |
Device Family:
Validation Publications:
Longo D, Bertolo O, Toffanin G, Frezza P, Palatini P. Validation of the A&D UA-631 (UA-779 Life Source) device for self-measurement of blood pressure and relationship between its performance and large artery compliance. Blood Press Monit. 2002 Aug;7(4):243-8. PMID: 12198341.
ESH-IP:2002 - Pass General population
Relevant Publications:
Ware A, Stevens R, Selwood M, Fleming S. Accuracy of blood pressure monitors available in high street pharmacies. Blood Press Monit. 2016 Feb;21(1):59-61. doi: 10.1097/MBP.0000000000000151. PMID: 26427055.
Measurements from the A&D UA-631 are compared to those from the Omron PA-350 (BPM tester), though not in a formal validation.