510(k) Report

510(k) · Cleared

Cleared

Wrist Blood Pressure Monitor, models AOJ-35A, AOJ-35B, AOJ-35C, AOJ-35D, AOJ-35E

K213503510(k) TraditionalCleared Feb 18, 2022109-day reviewClass II21 CFR 870.1130

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Shenzhen AOJ Medical Technology Co., Ltd. · DXN System, Measurement, Blood-Pressure, Non-Invasive

Cleared on Feb 18, 2022 as substantially equivalent to K193628 (Dongguan E-Test Technology Co., Ltd., 2020) and 1 other predicate after a 109-day review. Its family tree reaches back 8 generations to 2000. 1 later device descends from it.

Decided
Feb 18, 2022
Review
109 days
Class
Class II
Product code
DXN
Recalls
None
Predicates
2

Its longest line of descent runs back 8 generations to K001670 (2000). 16 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 8 generations backK001670 Automatic Blood Pressure Monitor with Intellisense, Model Hem-757Omron Healthcare, Inc. · 2000
  2. 7 generations backK030358 KD-622 Fully Automatic Electronic Blood Pressure MonitorKodon (Tianjin)Electronic&Electrical Apparatus Co., · 2003
  3. 6 generations backK070828 KD-595 Fully Automatic Electronic Blood Pressure MonitorKodon (Tianjin)Electronic&Electrical Apparatus Co., · 2007
  4. 5 generations backK102988 Electronic Blood Presure MonitorShenzhen Pango Electronic Co., Ltd. · 2010
  5. 4 generations backK131558 PG-800B Series, Including PG-800BD, PG-800B-1, PG-800BD-1, PG-800B3…Shenzhen Pango Electronic Co., Ltd. · 2013
  6. 3 generations backK170151 Electronic Blood Pressure MonitorShenzhen Pango Electronic Co., Ltd. · 2017
  7. 2 generations backK182495 Electronic Blood Pressure MonitorShenzhen Jumper Medical Equipment Co., Ltd. · 2019
  8. 1 generation backK191180 Electronic Blood Pressure MonitorShenzhen AOJ Medical Technology Co., Ltd. · 2019
  9. This deviceK213503 Wrist Blood Pressure Monitor, models AOJ-35A, AOJ-35B, AOJ-35C…Shenzhen AOJ Medical Technology Co., Ltd. · 2022
  10. Descendant · cites it directly · 0 of its ownK250161 Wrist Blood Pressure Monitor (AOJ-35A); Wrist Blood Pressure Monitor…Shenzhen AOJ Medical Technology Co., Ltd. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K250161Wrist Blood Pressure Monitor (AOJ-35A); Wrist Blood Pressure Monitor (AOJ-35B); Wrist…Shenzhen AOJ Medical Technology Co., Ltd. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K001670Automatic Blood Pressure Monitor with Intellisense, Model Hem-757Omron Healthcare, Inc.2000—
−7K030358KD-622 Fully Automatic Electronic Blood Pressure MonitorKodon (Tianjin)Electronic&Electrical Apparatus Co.,2003—
−6K070828KD-595 Fully Automatic Electronic Blood Pressure MonitorKodon (Tianjin)Electronic&Electrical Apparatus Co.,2007—
−5K102988Electronic Blood Presure MonitorShenzhen Pango Electronic Co., Ltd.2010—
−4K131558PG-800B Series, Including PG-800BD, PG-800B-1, PG-800BD-1, PG-800B3, PG-800B4…Shenzhen Pango Electronic Co., Ltd.2013—
−3K170151Electronic Blood Pressure MonitorShenzhen Pango Electronic Co., Ltd.2017—
−2K182495Electronic Blood Pressure MonitorShenzhen Jumper Medical Equipment Co., Ltd.2019—
−1K191180Electronic Blood Pressure MonitorShenzhen AOJ Medical Technology Co., Ltd.2019—
0 (this device)K213503Wrist Blood Pressure Monitor, models AOJ-35A, AOJ-35B, AOJ-35C, AOJ-35D, AOJ-35EShenzhen AOJ Medical Technology Co., Ltd.2022—
+1K250161Wrist Blood Pressure Monitor (AOJ-35A); Wrist Blood Pressure Monitor…Shenzhen AOJ Medical Technology Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010
200210
200420
201010
201310
201510
202010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K213503, 2000–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K222125 Arm Blood Pressure Monitor, models AOJ-30A…score 18.5 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K193628AGE Automatic Wrist Blood Pressure Monitor
Summary page 5
…Proposed Device Predicate Device Comparison AOJ-35A series BW-602/K193628 Result Manufacturer Shenzhen AOJ Medical DONGGUAN E-TEST Te…
Dongguan E-Test Technology Co., Ltd.2020—
*K191180Electronic Blood Pressure Monitor
Summary page 6
…Proposed Device Predicate Device Comparison AOJ-35A series AOJ-30B/K191180 Result Manufacturer Shenzhen AOJ Medical Shenzhen AOJ Medical…
Shenzhen AOJ Medical Technology Co., Ltd.2019—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K250161Wrist Blood Pressure Monitor (AOJ-35A); Wrist Blood Pressure Monitor (AOJ-35B); Wrist…Shenzhen AOJ Medical Technology Co., Ltd.20250

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 22 years and passes through 5 companies; a new generation was cleared every 3.2 years on median.
  • None of the 16 ancestors has a recall.
  • Of its descendants, K250161 (Shenzhen AOJ Medical Technology Co., Ltd., 2025) has gone furthest, with 0 descendants of its own.

How does its category compare?

All DXN devices

DXN System, Measurement, Blood-Pressure, Non-Invasive: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · DXN

28in 2025

2007: 272008: 232009: 462010: 432011: 342012: 362013: 342014: 292015: 302016: 302017: 332018: 222019: 332020: 242021: 232022: 252023: 352024: 172025: 282026 (partial year): 29
2007high 46 (2009) · low 17 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXN

142in 2025

2007: 118 days median2008: 82 days median2009: 73 days median2010: 94 days median2011: 72 days median2012: 116 days median2013: 150 days median2014: 133 days median2015: 97 days median2016: 144 days median2017: 184 days median2018: 235 days median2019: 156 days median2020: 198 days median2021: 190 days median2022: 137 days median2023: 182 days median2024: 107 days median2025: 142 days median2026 (partial year): 147 days median
2007high 235 (2018) · low 72 (2011)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · DXN

3in 2024

2008: 12009: 32011: 12013: 12016: 12019: 12024: 3
2007high 3 (2009) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DXN

239in 2025

2007: 212008: 82009: 172010: 142011: 102012: 192013: 722014: 472015: 622016: 542017: 902018: 6172019: 962020: 1302021: 1622022: 1552023: 1622024: 2702025: 239
2007high 617 (2018) · low 8 (2008)2025

MAUDE reports naming product code DXN, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200727118021
2008238218
20094673317
20104394014
20113472110
201236116019
201334150172
201429133047
20153097062
201630144154
201733184090
2018222350617
201933156196
2020241980130
2021231900162
2022251370155
2023351820162
2024171073270
2025281420239
2026291470—

What is it indicated for?

The Wrist Blood Pressure Monitor is intended to measure the systolic pressure and diastolic pressure, as well as the pulse rate of adult person via non-invasive oscillometric technique by an inflatable cuff wrapped around the wrist at medical facilities or at home.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K213503: Wrist Blood Pressure Monitor, models AOJ-35A, AOJ-35B, AOJ-35C, AOJ-35D, AOJ-35E.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K213503

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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