510(k) · Cleared
ClearedMicrolife Upper Arm Automatic Digital Blood Pressure Monitor, Watch BP Office Afib (TWIN200 Afs).
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Microlife Intellectual Property GmbH · DXN System, Measurement, Blood-Pressure, Non-Invasive
Cleared on May 28, 2010 as substantially equivalent to K082357 (Microlife Intellectual Property GmbH, 2008) and 1 other predicate after a 22-day review. Its family tree reaches back 7 generations to 1991. 6 later devices descend from it.
- Decided
- May 28, 2010
- Review
- 22 days
- Class
- Class II
- Product code
- DXN
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 7 generations to K903134 (1991). 25 ancestors in all, the oldest K872291 (1987). 6 later devices descend from it, 2 citing it directly.
- Root · 7 generations backK903134 Omron Auto Oscillometric Dig BP Mont/Hem-704C 705COmron Marshall Products, Inc. · 1991
- 6 generations backK970211 Microlife Automatic Blood Pressure MonitorMicro Weiss Electronics · 1998
- 5 generations backK013485 Microlife Upper Arm Automatic Blood Pressure Monitor, Model…Microlife Corp. · 2002
- 4 generations backK041411 Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-APMicrolife Corp. · 2004
- 3 generations backK060686 Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PCMicrolife Intellectual Property GmbH · 2006
- 2 generations backK073198 Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Model…Microlife Intellectual Property GmbH · 2008
- 1 generation backK082357 Microlife Upper Arm Automatic Digital Blood Pressure Monitor…Microlife Intellectual Property GmbH · 2008
- This deviceK101275 Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Watch…Microlife Intellectual Property GmbH · 2010
- Descendant · cites it directly · 4 of its ownK143341 Microlife Upper Arm Automatic Digital Blood Pressure MonitorMicrolife Intellectual Property GmbH · 2015
- Descendant · 2 generations on · 3 of its ownK152770 ProBP 2400 Digital Blood Pressure DeviceMicrolife Intellectual Property GmbH · 2015 · Recalled
- Descendant · 3 generations on · 2 of its ownK200297 Microlife Upper Arm Automatic Digital Blood Pressure MonitorMicrolife Intellectual Property GmbH · 2020
- Descendant · 4 generations on · 0 of its ownK222153 Microlife Upper Arm Automatic Digital BPM, Model WatchBP Office…Microlife Intellectual Property GmbH · 2023
- Descendant · 4 generations on · 0 of its ownK202729 Microlife Upper Arm Automatic Digital Blood Pressure MonitorMicrolife Intellectual Property GmbH · 2021
Showing 5 of 6 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 6 · See all- K143341Microlife Upper Arm Automatic Digital Blood Pressure MonitorMicrolife Intellectual Property GmbH · 2015 · cites it directly4descendants
- K152770ProBP 2400 Digital Blood Pressure DeviceMicrolife Intellectual Property GmbH · 2015 · 2 generations on3descendants
- K200297Microlife Upper Arm Automatic Digital Blood Pressure MonitorMicrolife Intellectual Property GmbH · 2020 · 3 generations on2descendants
- K222153Microlife Upper Arm Automatic Digital BPM, Model WatchBP Office Vascular (TWIN200 VSR)Microlife Intellectual Property GmbH · 2023 · 4 generations on0descendants
- K202729Microlife Upper Arm Automatic Digital Blood Pressure MonitorMicrolife Intellectual Property GmbH · 2021 · 4 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K903134 | Omron Auto Oscillometric Dig BP Mont/Hem-704C 705C | Omron Marshall Products, Inc. | 1991 | — |
| −6 | K970211 | Microlife Automatic Blood Pressure Monitor | Micro Weiss Electronics | 1998 | — |
| −5 | K013485 | Microlife Upper Arm Automatic Blood Pressure Monitor, Model BP-3BTO-1, with… | Microlife Corp. | 2002 | — |
| −4 | K041411 | Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-AP | Microlife Corp. | 2004 | — |
| −3 | K060686 | Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PC | Microlife Intellectual Property GmbH | 2006 | — |
| −2 | K073198 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Model Watchbp… | Microlife Intellectual Property GmbH | 2008 | — |
| −1 | K082357 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Modelwatchbp… | Microlife Intellectual Property GmbH | 2008 | — |
| 0 (this device) | K101275 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Watch BP Office… | Microlife Intellectual Property GmbH | 2010 | — |
| +1 | K143341 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor | Microlife Intellectual Property GmbH | 2015 | — |
| +2 | K152770 | ProBP 2400 Digital Blood Pressure Device | Microlife Intellectual Property GmbH | 2015 | 1 |
| +3 | K200297 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor | Microlife Intellectual Property GmbH | 2020 | — |
| +4 | K222153 | Microlife Upper Arm Automatic Digital BPM, Model WatchBP Office Vascular… | Microlife Intellectual Property GmbH | 2023 | — |
| +4 | K202729 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor | Microlife Intellectual Property GmbH | 2021 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2006 | 1 | 0 |
| 2008 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2015 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2023 | 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 |
|---|---|---|---|
| * | K082357 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Modelwatchbp Office…Summary page 1…rmation for the 510(k) Cleared Device (Predicate Device): a. Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Model WatchBP Office (Twin200), K082357, Microlife Intellectual Property GmbH. b. Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Model BP3MQ1 -… | 2008 |
| * | K080337 | Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Model BP3MQ1-2DSummary page 1…Office (Twin200), K082357, Microlife Intellectual Property GmbH. b. Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Model BP3MQ1 - 20, K080337, Microlife Intellectual Property GmbH. 4. Device Description: Microlife Upper Arm Automatic Digital Blood Pressure Mon… | 2008 |
What descends from it? (6)
2 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?
- The line of descent spans 19 years and passes through 4 companies; a new generation was cleared every 1.9 years on median.
- None of the 25 ancestors has a recall.
- Of its descendants, K143341 (Microlife Intellectual Property GmbH, 2015) has gone furthest, with 4 descendants of its own.
- 3 other devices also cite its predicate K082357.
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. 2010, this device’s year, is highlighted.
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?
The Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Model WatchBP Office AFIB (TWIN200 AFS) is a device intended to measure the systolic and diastolic blood pressure, pulse rate, pulse pressure (PP) and mean arterial pressure (MAP) of an adult individual by using a non-invasive oscillometric technique in one (or two) inflatable cuff(s) is (are) wrapped around the single (or dual) upper arm(s).
The device detects the appearance of.atrial fibrillation during measurement and gives a warning signal with the reading once the atrial fibrillation is detected.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K101275 · printed Nov 4, 2026
Cite this page
510(k) Report. “K101275: Microlife Upper Arm Automatic Digital Blood Pressure Monitor, Watch BP Office Afib (TWIN200 Afs)..” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K101275
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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