510(k) · Cleared
ClearedResponder 2500 Defibrillator and Cardiac Care System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Marquette Electronics, Inc. · DRO Pacemaker, Cardiac, External Transcutaneous (Non-Invasive)
Cleared on Feb 28, 1997 after a 200-day review. The FDA summary names its predicate without a number.
- Decided
- Feb 28, 1997
- Review
- 200 days
- Class
- Class II
- Product code
- DRO
- Recalls
- None
- Predicates
- 0
The FDA summary names its predicate without a number.
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 DRO? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin 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 |
|---|---|---|---|
| * | — | Marquette Series 900 Named without a submission number | |
| * | — | Marquette Series 1500 Responder Named without a submission number |
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.
How does its category compare?
All DRO devicesDRO Pacemaker, Cardiac, External Transcutaneous (Non-Invasive): FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DRO
FDA has decided no DRO device since 2007.
Median 510(k) review, days · DRO
Too few DRO 510(k)s in any year since 2007 to give a median.
Recalls per year · DRO
12in 2020
Class I (4 since 2007) Class II/III not classified
Adverse event reports per year · DRO
2in 2025
MAUDE reports naming product code DRO, 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 | 0 | — | 0 | 7 |
| 2008 | 0 | — | 0 | 5 |
| 2009 | 0 | — | 0 | 3 |
| 2010 | 0 | — | 1 | 7 |
| 2011 | 0 | — | 0 | 3 |
| 2012 | 0 | — | 0 | 8 |
| 2013 | 0 | — | 0 | 11 |
| 2014 | 0 | — | 4 (4) | 2 |
| 2015 | 0 | — | 0 | 41 |
| 2016 | 0 | — | 0 | 49 |
| 2017 | 0 | — | 0 | 15 |
| 2018 | 0 | — | 0 | 64 |
| 2019 | 0 | — | 0 | 93 |
| 2020 | 0 | — | 12 | 19 |
| 2021 | 0 | — | 0 | 22 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 6 |
| 2024 | 0 | — | 0 | 4 |
| 2025 | 0 | — | 0 | 2 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Responder 2500 is intended to be used in a hospital environment by emergency personnel in evaluating and treating life-threatening arrhythmias.
Responder 2500 is intended to be used by trained operators
Responder 2500 is designed for external and internal defibrillation (including cardioversion)
Responder 2500 is capable of monitoring the heart rate with adjustable alarm limits.
Responder 2500 is designed for external pacing with adjustable current and rate.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K963120 · printed Nov 4, 2026
Cite this page
510(k) Report. “K963120: Responder 2500 Defibrillator and Cardiac Care System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K963120
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026