510(k) · Cleared
ClearedMicrolife Wrist Watch Blood Pressure Monitor, Model BP-3BU1
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Microlife Corp. · DXN System, Measurement, Blood-Pressure, Non-Invasive
Cleared on Aug 1, 2000 after a 112-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 38 later devices descend from it.
- Decided
- Aug 1, 2000
- Review
- 112 days
- Class
- Class II
- Product code
- DXN
- Recalls
- None
- Predicates
- 0
38 later devices descend from it, 2 citing it directly.
- This deviceK001182 Microlife Wrist Watch Blood Pressure Monitor, Model BP-3BU1Microlife Corp. · 2000
- Descendant · cites it directly · 28 of its ownK012796 Amluck Automatic Digital Wrist, Blood Pressure Monitor AK-3000/AK-4000Amluck, Inc. · 2002
- Descendant · 2 generations on · 25 of its ownK051862 PC Compatible Blood Pressure Monitor, Model AK-4000TU, BP-410U…Ya Horng Electronic Co., Ltd. · 2005
- Descendant · 3 generations on · 24 of its ownK072860 YA Horng Digital Upper Arm Blood Pressure Monitor, BP-100J, BP-110J…Ya Horng Electronic Co., Ltd. · 2008
- Descendant · 4 generations on · 23 of its ownK090058 YA Horng Digital Upper Arm Blood Pressure Monitor, BP-700, BP-700T…Ya Horng Electronic Co., Ltd. · 2009
- Descendant · 5 generations on · 15 of its ownK121025 YA Horng Blood Pressure Monitor, YA Horng Blood Pressure Monitor…Ya Horng Electronic Co., Ltd. · 2012
Showing 5 of 38 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 38 · See all- K012796Amluck Automatic Digital Wrist, Blood Pressure Monitor AK-3000/AK-4000Amluck, Inc. · 2002 · cites it directly28descendants
- K051862PC Compatible Blood Pressure Monitor, Model AK-4000TU, BP-410U, BP-410R; Automatic…Ya Horng Electronic Co., Ltd. · 2005 · 2 generations on25descendants
- K072860YA Horng Digital Upper Arm Blood Pressure Monitor, BP-100J, BP-110J; Digital Wrist Blood…Ya Horng Electronic Co., Ltd. · 2008 · 3 generations on24descendants
- K090058YA Horng Digital Upper Arm Blood Pressure Monitor, BP-700, BP-700T, BP700U, BP-700B…Ya Horng Electronic Co., Ltd. · 2009 · 4 generations on23descendants
- K121025YA Horng Blood Pressure Monitor, YA Horng Blood Pressure Monitor, Bluetooth TransmissionYa Horng Electronic Co., Ltd. · 2012 · 5 generations on15descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K001182 | Microlife Wrist Watch Blood Pressure Monitor, Model BP-3BU1 | Microlife Corp. | 2000 | — |
| +1 | K012796 | Amluck Automatic Digital Wrist, Blood Pressure Monitor AK-3000/AK-4000 | Amluck, Inc. | 2002 | — |
| +2 | K051862 | PC Compatible Blood Pressure Monitor, Model AK-4000TU, BP-410U, BP-410R… | Ya Horng Electronic Co., Ltd. | 2005 | — |
| +3 | K072860 | YA Horng Digital Upper Arm Blood Pressure Monitor, BP-100J, BP-110J; Digital… | Ya Horng Electronic Co., Ltd. | 2008 | — |
| +4 | K090058 | YA Horng Digital Upper Arm Blood Pressure Monitor, BP-700, BP-700T, BP700U… | Ya Horng Electronic Co., Ltd. | 2009 | — |
| +5 | K121025 | YA Horng Blood Pressure Monitor, YA Horng Blood Pressure Monitor, Bluetooth… | Ya Horng Electronic Co., Ltd. | 2012 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 3 | 0 |
| 2011 | 3 | 0 |
| 2012 | 4 | 0 |
| 2014 | 3 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 3 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
Sources: FDA 510(k) database (decision fields), 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?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (38)
See all 382 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?
- Of its descendants, K012796 (Amluck, Inc., 2002) has gone furthest, with 28 descendants of its own.
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 | — |
https://510kreport.com/device/K001182 · printed Nov 6, 2026
Cite this page
510(k) Report. “K001182: Microlife Wrist Watch Blood Pressure Monitor, Model BP-3BU1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K001182
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026