510(k) Report

510(k) · Cleared

Cleared

U-Right TD-3124 Blood Pressure Monitoring System

K120634510(k) SpecialCleared Jul 3, 2012124-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

Taidoc Technology Corporation · DXN System, Measurement, Blood-Pressure, Non-Invasive

Cleared on Jul 3, 2012 as substantially equivalent to K112274 (Taidoc Technology Corporation, 2011) after a 124-day review. Its family tree reaches back 6 generations to 1998.

Decided
Jul 3, 2012
Review
124 days
Class
Class II
Product code
DXN
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K982481 (1998). 8 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 6 generations backK982481 A&D Medical UA-767PC Digital Blood Pressure MonitorA&D Engineering, Inc. · 1998
  2. 5 generations backK040371 A & D Medical UA-767BT Digital Blood Pressure MonitorA&D Engineering, Inc. · 2004
  3. 4 generations backK043217 A&D Medical UA-767PBT Digital Blood Pressure MonitorA&D Engineering, Inc. · 2005 · Recalled
  4. 3 generations backK082734 A&D Medical UA-851THW Digital Blood Pressure MonitorA&D Engineering, Inc. · 2008
  5. 2 generations backK092106 U-Right TD-3132 Blood Pressure Monitor, Fora P 20 Blood Pressure…Taidoc Technology Corporation · 2010
  6. 1 generation backK112274 U-Right TD-3135 Blood Pressure Monitoring SystemTaidoc Technology Corporation · 2011
  7. This deviceK120634 U-Right TD-3124 Blood Pressure Monitoring SystemTaidoc Technology Corporation · 2012
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K982481A&D Medical UA-767PC Digital Blood Pressure MonitorA&D Engineering, Inc.1998—
−5K040371A & D Medical UA-767BT Digital Blood Pressure MonitorA&D Engineering, Inc.2004—
−4K043217A&D Medical UA-767PBT Digital Blood Pressure MonitorA&D Engineering, Inc.20051
−3K082734A&D Medical UA-851THW Digital Blood Pressure MonitorA&D Engineering, Inc.2008—
−2K092106U-Right TD-3132 Blood Pressure Monitor, Fora P 20 Blood Pressure Monitor…Taidoc Technology Corporation2010—
−1K112274U-Right TD-3135 Blood Pressure Monitoring SystemTaidoc Technology Corporation2011—
0 (this device)K120634U-Right TD-3124 Blood Pressure Monitoring SystemTaidoc Technology Corporation2012—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200210
200710
FIG. 1 — Lineage of K120634, 1998–2012Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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? (1)

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
*K112274U-Right TD-3135 Blood Pressure Monitoring System
Summary page 2
…ressure measurements. 5. Substantial Equivalence Information: A. Predicate device name: U-RIGHT TD-3 135 Blood Pressure Monitoring System B. Predicate K number: K1 12274 C. Comparison with predicate: The modified U-RIGHT TD-3 124B Blood Pressure Monitoring System has the following similaritie…
Taidoc Technology Corporation2011—

What descends from it?

No later submission names this one as a predicate yet.

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 14 years and passes through 2 companies; a new generation was cleared every 1.9 years on median.
  • 1 of the 8 ancestors has a recall of any class.

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. 2012, 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 U-RIGHT TD-3 124B Blood Pressure Monitoring System is intended to be used to

measure the systolic and diastolic blood pressure and pulse rate by using a non-invasive

technique in which an inflatable cuff is wrapped on the upper arm. This system should

only be used for the testing on people over 18 years of age and over.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K120634: U-Right TD-3124 Blood Pressure Monitoring System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K120634

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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