# K012472: A & D Medical Lifesource UA-781, UA781PC, & UA-781T Digital Blood Pressure Monitors

- Pathway: 510(k) (Traditional)
- Applicant: A&D Engineering, Inc.
- Decided: Feb 15, 2002 after 197 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.
196 later devices descend from it; 6 cite it directly.
0 of 197 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K041411: Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-AP (2004), 120 descendants of its own
- K060686: Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PC (2006), 86 descendants of its own
- K043217: A&D Medical UA-767PBT Digital Blood Pressure Monitor (2005), 49 descendants of its own
- K081590: YA Horng Arm Type Digital Blood Pressure Monitor, Models BP-600, BP-600R, BP-600U, BP-600B, BP-600RB, BP-600UB, BP-600J (2008), 46 descendants of its own
- K083093: Cheetah Reliant (2008), 45 descendants of its own

## Indications for use
Measure blood pressure (systolic and diastolic) and pulse rate.

Source page: https://510kreport.com/device/K012472
Methodology: https://510kreport.com/methodology