510(k) Report

510(k) · Cleared

Cleared

Holter ECG and ABP system (HolterABP)

K251591510(k) TraditionalCleared Feb 9, 2026262-day reviewClass II21 CFR 870.1425

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

Edan Instruments, Inc. · DQK Computer, Diagnostic, Programmable

Cleared on Feb 9, 2026 as substantially equivalent to K151787 (Edan Instruments, Inc., 2016) and 1 other predicate after a 262-day review. Its family tree reaches back 10 generations to 1991.

Decided
Feb 9, 2026
Review
262 days
Class
Class II
Product code
DQK
Recalls
None
Predicates
2

Its longest line of descent runs back 10 generations to K903134 (1991). 102 ancestors in all, the oldest K843503 (1984). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2016: 1 other ancestor2014: 3 other ancestors2013: 1 other ancestor2010: 1 other ancestor2005: 5 other ancestors2009: 1 other ancestor2008: 4 other ancestors2006: 4 other ancestors2003: 3 other ancestors2002: 6 other ancestors2000: 4 other ancestors1999: 10 other ancestors1991: 1 other ancestor2011: 1 other ancestor2007: 3 other ancestors2004: 2 other ancestors1996: 5 other ancestors2001: 7 other ancestors1998: 7 other ancestors1997: 4 other ancestors1995: 6 other ancestors1994: 2 other ancestors1992: 2 other ancestors1990: 1 other ancestor1988: 3 other ancestors1993: 1 other ancestor1987: 2 other ancestors1984: 1 other ancestor1986: 1 other ancestorK903134 · Omron Auto Oscillometric Dig BP Mont/Hem-704C 705C · Omron Marshall Products, Inc. · 1991K970211 · Microlife Automatic Blood Pressure Monitor · Micro Weiss Electronics · 1998K013485 · Microlife Upper Arm Automatic Blood Pressure Monitor, Model BP-3BTO-1, with Optional Thermal Printer, Model PR 1KA1 · Microlife Corp. · 2002K041411 · Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-AP · Microlife Corp. · 2004K060686 · Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PC · Microlife Intellectual Property GmbH · 2006×2: 2 generations cleared close together, K081590 (2008), K083093 (2008) K122129 · Sphygmocor Xcel · Atcor Medical · 2012K151520 · Oscar 2 · Suntech Medical, Inc. · 2016 · recalledK210139 · Ambulatory Blood Pressure Monitor, Models: SA-10, SA-05, SA-06, SA-08 and SA-09 · Edan Instruments, Inc. · 202119801990200020102020
  1. Root · 10 generations backK903134 Omron Auto Oscillometric Dig BP Mont/Hem-704C 705COmron Marshall Products, Inc. · 1991
  2. 6 generations between
  3. 3 generations backK122129 Sphygmocor XcelAtcor Medical · 2012
  4. 2 generations backK151520 Oscar 2Suntech Medical, Inc. · 2016 · Recalled
  5. 1 generation backK210139 Ambulatory Blood Pressure Monitor, Models: SA-10, SA-05, SA-06…Edan Instruments, Inc. · 2021
  6. This deviceK251591 Holter ECG and ABP system (HolterABP)Edan Instruments, Inc. · 2026
Show all 10 generations
  1. Root · 10 generations backK903134 Omron Auto Oscillometric Dig BP Mont/Hem-704C 705COmron Marshall Products, Inc. · 1991
  2. 9 generations backK970211 Microlife Automatic Blood Pressure MonitorMicro Weiss Electronics · 1998
  3. 8 generations backK013485 Microlife Upper Arm Automatic Blood Pressure Monitor, Model…Microlife Corp. · 2002
  4. 7 generations backK041411 Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-APMicrolife Corp. · 2004
  5. 6 generations backK060686 Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PCMicrolife Intellectual Property GmbH · 2006
  6. 5 generations backK081590 YA Horng Arm Type Digital Blood Pressure Monitor, Models BP-600…Ya Horng Electronic Co., Ltd. · 2008
  7. 4 generations backK083093 Cheetah ReliantCheetah Medical, Inc. · 2008 · Recalled
  8. 3 generations backK122129 Sphygmocor XcelAtcor Medical · 2012
  9. 2 generations backK151520 Oscar 2Suntech Medical, Inc. · 2016 · Recalled
  10. 1 generation backK210139 Ambulatory Blood Pressure Monitor, Models: SA-10, SA-05, SA-06…Edan Instruments, Inc. · 2021
  11. This deviceK251591 Holter ECG and ABP system (HolterABP)Edan Instruments, Inc. · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K903134Omron Auto Oscillometric Dig BP Mont/Hem-704C 705COmron Marshall Products, Inc.1991—
−9K970211Microlife Automatic Blood Pressure MonitorMicro Weiss Electronics1998—
−8K013485Microlife Upper Arm Automatic Blood Pressure Monitor, Model BP-3BTO-1, with…Microlife Corp.2002—
−7K041411Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-APMicrolife Corp.2004—
−6K060686Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PCMicrolife Intellectual Property GmbH2006—
−5K081590YA Horng Arm Type Digital Blood Pressure Monitor, Models BP-600, BP-600R…Ya Horng Electronic Co., Ltd.2008—
−4K083093Cheetah ReliantCheetah Medical, Inc.20081
−3K122129Sphygmocor XcelAtcor Medical2012—
−2K151520Oscar 2Suntech Medical, Inc.20162
−1K210139Ambulatory Blood Pressure Monitor, Models: SA-10, SA-05, SA-06, SA-08 and SA-09Edan Instruments, Inc.2021—
0 (this device)K251591Holter ECG and ABP system (HolterABP)Edan Instruments, Inc.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
198610
198720
198830
199010
199110
199220
199310
199420
199560
199650
199740
199870
1999100
200040
200170
200260
200330
200420
200550
200640
200730
200840
200910
201010
201110
201310
201430
201610
FIG. 1 — Lineage of K251591, 1991–2026Source: 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 DQK? 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 DQK device

  1. #1 K213682 HemoSphere Advanced Monitor, HemoSphere…score 26.7 · 28 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
*K151787Holter System
Summary page 5
…Regulatory Class: Class II 4. Predicate Device(s): 1) Edan Instruments, Holter System, models SE-2003 and SE-2012, cleared under K151787 2) Edan Instruments, Ambulatory Blood Pressure Monitor, models: SA-10, SA- 05…
Edan Instruments, Inc.2016—
*K210139Ambulatory Blood Pressure Monitor, Models: SA-10, SA-05, SA-06, SA-08 and SA-09
Summary page 5
…2) Edan Instruments, Ambulatory Blood Pressure Monitor, models: SA-10, SA- 05, SA-06, SA-08 and SA-09, cleared under K210139 5. Reason for By submission of the Traditional 510(k), Edan Instruments is requesting cle…
Edan Instruments, Inc.2021—

Also cleared against K151787: 1 other device →

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 35 years and passes through 9 companies; a new generation was cleared every 3.7 years on median.
  • 6 of the 102 ancestors have a recall of any class.
  • 1 other device also cites its predicate K151787.

How does its category compare?

All DQK devices

DQK Computer, Diagnostic, Programmable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · DQK

23so far in 2026, the most since 2007

2007: 132008: 42009: 122010: 92011: 122012: 72013: 132014: 92015: 72016: 152017: 72018: 142019: 152020: 162021: 162022: 192023: 212024: 132025: 222026 (partial year): 23
2007high 23 (2026) · low 4 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DQK

95in 2025

2007: 83 days median2008: 70 days median2009: 93 days median2010: 64 days median2011: 69 days median2012: 74 days median2013: 68 days median2014: 90 days median2015: 125 days median2016: 190 days median2017: 146 days median2018: 150 days median2019: 113 days median2020: 123 days median2021: 132 days median2022: 136 days median2023: 133 days median2024: 100 days median2025: 95 days median2026 (partial year): 151 days median
2007high 190 (2016) · low 64 (2010)2026

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

Recalls per year · DQK

1in 2025

2007: 42008: 12009: 22010: 32011: 22012: 32013: 12014: 42015: 22017: 22018: 62019: 12020: 12021: 12022: 22023: 22024: 242025: 12026 (partial year): 2
2007high 24 (2024) · low 0 (2016)2026

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

Adverse event reports per year · DQK

433in 2025

2007: 182008: 342009: 402010: 492011: 552012: 1292013: 1802014: 1152015: 1312016: 3402017: 2522018: 2612019: 2182020: 2152021: 3512022: 3192023: 3402024: 5572025: 433
2007high 557 (2024) · low 18 (2007)2025

MAUDE reports naming product code DQK, 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
20071383418
2008470134
20091293240
2010964349
20111269255
20127743129
201313681180
20149904115
201571252131
2016151900340
201771462252
2018141506261
2019151131218
2020161231215
2021161321351
2022191362319
2023211332340
20241310024557
202522951433
2026231512—

What is it indicated for?

The Holter ECG and ABP system is intended to acquire, analyze, display, edit and generate report of ambulatory ECG, ambulatory blood pressure and combined Holter ECG and ABP data. The analysis results are offered to doctors on an advisory basis only. Data acquired may be used for the following indications: · Evaluation of symptoms suggesting arrhythmia or myocardial ischemia. · Evaluation of patients for ST segment changes. · Evaluation of drug response…

Read the full statement (159 words)

The Holter ECG and ABP system is intended to acquire, analyze, display, edit and generate report of ambulatory ECG, ambulatory blood pressure and combined Holter ECG and ABP data. The analysis results are offered to doctors on an advisory basis only.

Data acquired may be used for the following indications:

· Evaluation of symptoms suggesting arrhythmia or myocardial ischemia.

· Evaluation of patients for ST segment changes.

· Evaluation of drug response in patients taking anti-arrhythmic medications.

· Evaluation of patients with pacemakers.

The ambulatory blood pressure function is intended for use in patients over 12 years of age from data collected from an FDA cleared ambulatory blood pressure cuff.

The ECG Analysis function is intended for use in adults and pediatric, but arrhythmia detection is intended for use in patients over 12 years of age.

The Holter ECG and ABP system is intended to be used only in hospital and healthcare facilities by physicians or trained healthcare professionals.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K251591: Holter ECG and ABP system (HolterABP).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K251591

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