510(k) Report

510(k) · Cleared

Cleared

Nihon Kohden QP-932E Ecg Exercise Test Option for the Nihon Kohden Ecg-9320/a Cardiofax Electrocardiograph

K972310510(k) TraditionalCleared Aug 20, 199761-day reviewClass II21 CFR 870.2340

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

Nihon Kohden America, Inc. · DPS Electrocardiograph

Cleared on Aug 20, 1997 as substantially equivalent to K865032 (Nihon Kohden America, Inc., 1987) and 1 other predicate after a 61-day review. Its family tree reaches back 1 generation to 1987. 1 later device descends from it.

Decided
Aug 20, 1997
Review
61 days
Class
Class II
Product code
DPS
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K865032 (1987). 2 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1995: 1 other ancestor2007: 1 descendant clearedK865032 · Cardiofax-V Ecg-834OA · Nihon Kohden America, Inc. · 19871990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant K865032 · Cardiofax-V Ecg-834OA · Nihon Kohden America, Inc. · 19870
  1. Root · 1 generation backK865032 Cardiofax-V Ecg-834OANihon Kohden America, Inc. · 1987
  2. This deviceK972310 Nihon Kohden QP-932E Ecg Exercise Test Option for the Nihon Kohden…Nihon Kohden America, Inc. · 1997
  3. Descendant · cites it directly · 0 of its ownK072060 QP-156E Ecg Exercise Test Option for the Ecg-1500A Series/Cardiofax VNihon Kohden America, Inc. · 2007

Most influential descendants

Showing 1 of 1 · See all
  • K072060QP-156E Ecg Exercise Test Option for the Ecg-1500A Series/Cardiofax VNihon Kohden America, Inc. · 2007 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K865032Cardiofax-V Ecg-834OANihon Kohden America, Inc.1987—
0 (this device)K972310Nihon Kohden QP-932E Ecg Exercise Test Option for the Nihon Kohden Ecg-9320/a…Nihon Kohden America, Inc.1997—
+1K072060QP-156E Ecg Exercise Test Option for the Ecg-1500A Series/Cardiofax VNihon Kohden America, Inc.2007—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
FIG. 1 — Lineage of K972310, 1987–2007Source: 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 DPS? 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 DPS device

  1. #1 K212112 Cardiologs Holter Platformscore 18.6 · 5 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
*K865032Cardiofax-V Ecg-834OA
Summary page 1
…2E Exercise Test Option include Electrocardiograph and Cardiograph. The predicate devices are the Nihon Kohden Cardiofax, Model ECG-8340A Electrocardiograph per 510(k) #K865032, commercial distribution certification dated March 10, 1987 and the Quinton Instrument Company Model Q710 Exercise and Resting EC…
Nihon Kohden America, Inc.1987—
*K945626Quinton Model 710 Stress Electrocardiograph
Summary page 1
…per 510(k) #K865032, commercial distribution certification dated March 10, 1987 and the Quinton Instrument Company Model Q710 Exercise and Resting ECG System per 510(k) #K945626, commercial distribution certification dated June 28, 1995. The QP-932E Exercise Test Option with its parent device, the Nihon…
Quinton, Inc.1995—

Also cleared against K865032: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K072060QP-156E Ecg Exercise Test Option for the Ecg-1500A Series/Cardiofax VNihon Kohden America, Inc.20070

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?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K072060 (Nihon Kohden America, Inc., 2007) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K865032.

How does its category compare?

All DPS devices

DPS Electrocardiograph: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DPS

6in 2025

2007: 112008: 132009: 142010: 112011: 222012: 122013: 102014: 112015: 82016: 112017: 92018: 142019: 32020: 62021: 52022: 62023: 102024: 82025: 62026 (partial year): 6
2007high 22 (2011) · low 3 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DPS

163in 2025

2007: 87 days median2008: 31 days median2009: 84 days median2010: 104 days median2011: 154 days median2012: 117 days median2013: 134 days median2014: 253 days median2015: 178 days median2016: 229 days median2017: 177 days median2018: 221 days median2019: 178 days median2020: 224 days median2021: 135 days median2022: 244 days median2023: 236 days median2024: 260 days median2025: 163 days median2026 (partial year): 258 days median
2007high 260 (2024) · low 31 (2008)2026

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

Recalls per year · DPS

3in 2025

2007: 22009: 12010: 22011: 12019: 92020: 22021: 12022: 12023: 32024: 4, 1 Class I2025: 32026 (partial year): 4
2007high 9 (2019) · low 0 (2008)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · DPS

55in 2025

2007: 92008: 172009: 142010: 212011: 1212012: 562013: 152014: 152015: 302016: 122017: 152018: 192019: 272020: 592021: 242022: 592023: 542024: 642025: 55
2007high 121 (2011) · low 9 (2007)2025

MAUDE reports naming product code DPS, 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
2007118729
20081331017
20091484114
201011104221
2011221541121
201212117056
201310134015
201411253015
20158178030
201611229012
20179177015
201814221019
20193178927
20206224259
20215135124
20226244159
202310236354
202482604 (1)64
20256163355
202662584—

What is it indicated for?

The QP-932E Exercise Test Option with its parent device, the Nihon Kohden Cardiofax ECG-9320A Electrocardiograph, is intended for medical purposes used to process the electrical signals transmitted through two or more electrocardiograph electrodes to produce a visual display and to prepare a record of the electrical signals produced by the heart. The QP-932E will develop a report based upon acquired data and subsequent calculations.

The ECG-9320A with QP-932E Exercise Test Option will be available for use by a physician within a hospital, laboratory, clinic or in a remote environment under the supervision of a physician.

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. “K972310: Nihon Kohden QP-932E Ecg Exercise Test Option for the Nihon Kohden Ecg-9320/a Cardiofax Electrocardiograph.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K972310

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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