510(k) · Cleared
ClearedA&D Medical Lifesource Digital Blood Pressure Monitors, Model UB-328
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
A&D Engineering, Inc. · DXN System, Measurement, Blood-Pressure, Non-Invasive
Cleared on Mar 19, 2004 as substantially equivalent to K002115 (A&D Engineering, Inc., 2000) and 1 other predicate after a 46-day review. Its family tree reaches back 1 generation to 2000. 22 later devices descend from it.
- Decided
- Mar 19, 2004
- Review
- 46 days
- Class
- Class II
- Product code
- DXN
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K002115 (2000). 2 ancestors in all. 22 later devices descend from it, 4 citing it directly.
- Root · 1 generation backK002115 A&D Medical Lifesource UB-401PC & UB-401 Digital Blood Pressure…A&D Engineering, Inc. · 2000
- This deviceK040229 A&D Medical Lifesource Digital Blood Pressure Monitors, Model UB-328A&D Engineering, Inc. · 2004
- Descendant · cites it directly · 16 of its ownK042967 A&D Medical Lifesource Digital Blood Pressure Monitors, Models…A&D Engineering, Inc. · 2004
- Descendant · 2 generations on · 6 of its ownK130564 Full Automatic (Nibp) Blood Pressure MonitorHealth & Life Co., Ltd. · 2013
- Descendant · 3 generations on · 3 of its ownK151281 AGE Automatic Wrist Blood Pressure MonitorDongguan Ageless Health Industrial Co., Ltd. · 2015
- Descendant · 2 generations on · 3 of its ownK130563 Full Automatic (Nibp) Blood Pressure MonitorHealth & Life Co., Ltd. · 2013
- Descendant · 4 generations on · 2 of its ownK193628 AGE Automatic Wrist Blood Pressure MonitorDongguan E-Test Technology Co., Ltd. · 2020
Showing 5 of 22 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 22 · See all- K042967A&D Medical Lifesource Digital Blood Pressure Monitors, Models UB-511 & UB-512A&D Engineering, Inc. · 2004 · cites it directly16descendants
- K130564Full Automatic (Nibp) Blood Pressure MonitorHealth & Life Co., Ltd. · 2013 · 2 generations on6descendants
- K151281AGE Automatic Wrist Blood Pressure MonitorDongguan Ageless Health Industrial Co., Ltd. · 2015 · 3 generations on3descendants
- K130563Full Automatic (Nibp) Blood Pressure MonitorHealth & Life Co., Ltd. · 2013 · 2 generations on3descendants
- K193628AGE Automatic Wrist Blood Pressure MonitorDongguan E-Test Technology Co., Ltd. · 2020 · 4 generations on2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K002115 | A&D Medical Lifesource UB-401PC & UB-401 Digital Blood Pressure Monitors | A&D Engineering, Inc. | 2000 | — |
| 0 (this device) | K040229 | A&D Medical Lifesource Digital Blood Pressure Monitors, Model UB-328 | A&D Engineering, Inc. | 2004 | — |
| +1 | K042967 | A&D Medical Lifesource Digital Blood Pressure Monitors, Models UB-511 & UB-512 | A&D Engineering, Inc. | 2004 | — |
| +2 | K130564 | Full Automatic (Nibp) Blood Pressure Monitor | Health & Life Co., Ltd. | 2013 | — |
| +3 | K151281 | AGE Automatic Wrist Blood Pressure Monitor | Dongguan Ageless Health Industrial Co., Ltd. | 2015 | — |
| +2 | K130563 | Full Automatic (Nibp) Blood Pressure Monitor | Health & Life Co., Ltd. | 2013 | — |
| +4 | K193628 | AGE Automatic Wrist Blood Pressure Monitor | Dongguan E-Test Technology Co., Ltd. | 2020 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2004 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2009 | 2 | 0 |
| 2012 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 1 | 0 |
| 2015 | 3 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2025 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in DXN? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new DXN device
- #1 K222125 Arm Blood Pressure Monitor, models AOJ-30A…score 18.5 · 8 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K002115 | A&D Medical Lifesource UB-401PC & UB-401 Digital Blood Pressure Monitors | 2000 |
| * | K012472 | A & D Medical Lifesource UA-781, UA781PC, & UA-781T Digital Blood Pressure MonitorsSummary page 1…quivalent to the following three devices: A&D UB-401, FDA 510(k) KO021 15. Issued on July 25, 2000 A&D UA-787, FDA 5 10(k) K012472. Issued on Feb. 15, 2002 6. TECHNOLOGICAL CHARACTERISTECS IJB-328 uses an inflated… | 2002 |
What descends from it? (22)
See all 224 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
How does its category compare?
All DXN devicesDXN System, Measurement, Blood-Pressure, Non-Invasive: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DXN
28in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DXN
142in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DXN
3in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DXN
239in 2025
MAUDE reports naming product code DXN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 27 | 118 | 0 | 21 |
| 2008 | 23 | 82 | 1 | 8 |
| 2009 | 46 | 73 | 3 | 17 |
| 2010 | 43 | 94 | 0 | 14 |
| 2011 | 34 | 72 | 1 | 10 |
| 2012 | 36 | 116 | 0 | 19 |
| 2013 | 34 | 150 | 1 | 72 |
| 2014 | 29 | 133 | 0 | 47 |
| 2015 | 30 | 97 | 0 | 62 |
| 2016 | 30 | 144 | 1 | 54 |
| 2017 | 33 | 184 | 0 | 90 |
| 2018 | 22 | 235 | 0 | 617 |
| 2019 | 33 | 156 | 1 | 96 |
| 2020 | 24 | 198 | 0 | 130 |
| 2021 | 23 | 190 | 0 | 162 |
| 2022 | 25 | 137 | 0 | 155 |
| 2023 | 35 | 182 | 0 | 162 |
| 2024 | 17 | 107 | 3 | 270 |
| 2025 | 28 | 142 | 0 | 239 |
| 2026 | 29 | 147 | 0 | — |
What is it indicated for?
Measure blood pressure (systolic and diastolic) and pulse rate.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K040229 · printed Nov 6, 2026
Cite this page
510(k) Report. “K040229: A&D Medical Lifesource Digital Blood Pressure Monitors, Model UB-328.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K040229
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026