510(k) Report

510(k) · Cleared

Cleared

Envoy Patient Monitor

K974510510(k) TraditionalCleared Apr 14, 1998134-day reviewClass II21 CFR 870.1025

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

Mennen Medical, Inc. · DSI Detector And Alarm, Arrhythmia

Cleared on Apr 14, 1998 as substantially equivalent to K911616 (Mennen Medical, Inc., 1991) and 1 other predicate after a 134-day review. Its family tree reaches back 1 generation to 1991. 1 later device descends from it.

Decided
Apr 14, 1998
Review
134 days
Class
Class II
Product code
DSI
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K911616 (1991). 2 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1994: 1 other ancestor1998: 1 descendant clearedK911616 · Horizon XL · Mennen Medical, Inc. · 19911990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant K911616 · Horizon XL · Mennen Medical, Inc. · 19910
  1. Root · 1 generation backK911616 Horizon XLMennen Medical, Inc. · 1991
  2. This deviceK974510 Envoy Patient MonitorMennen Medical, Inc. · 1998
  3. Descendant · cites it directly · 0 of its ownK982697 Modification to Ensemble Central Station MonitorMennen Medical, Inc. · 1998

Most influential descendants

Showing 1 of 1 · See all
  • K982697Modification to Ensemble Central Station MonitorMennen Medical, Inc. · 1998 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K911616Horizon XLMennen Medical, Inc.1991—
0 (this device)K974510Envoy Patient MonitorMennen Medical, Inc.1998—
+1K982697Modification to Ensemble Central Station MonitorMennen Medical, Inc.1998—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
FIG. 1 — Lineage of K974510, 1991–1998Source: 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 DSI? 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 DSI device

  1. #1 K243349 BodyGuardian Remote Monitoring System (BGRMS…score 13.1 · 9 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
*K911616Horizon XL
Summary page 1
…omatic cycling indirect blood pressure monitoring [EC601-2-34 Requirements for Invasive Blood Pressure monitoring equipment Predicate Devices MENNEN MEDICAL HORIZON XL (K911616). HEWLETT-PACKARD M1175/26 A COMPONENT MONITORING SYSTME (K941811). Date Prepared: 30 October 1997 Food and Drug…
Mennen Medical, Inc.1991—
*K941811HP M1175A, M1176A, Component Monitoring System
Summary page 1
…irements for Invasive Blood Pressure monitoring equipment Predicate Devices MENNEN MEDICAL HORIZON XL (K911616). HEWLETT-PACKARD M1175/26 A COMPONENT MONITORING SYSTME (K941811). Date Prepared: 30 October 1997 Food and Drug Administration 30 October 1997 510(k) Summary, ENVOY Safety & Eff…
Hewlett-Packard Co.1994—

Also cleared against K911616: 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
K982697Modification to Ensemble Central Station MonitorMennen Medical, Inc.19980

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, K982697 (Mennen Medical, Inc., 1998) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K911616.

How does its category compare?

All DSI devices

DSI Detector And Alarm, Arrhythmia: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DSI

1in 2025

2007: 72008: 52009: 62010: 62011: 62012: 32013: 12014: 42015: 92016: 62018: 22019: 32020: 22023: 22024: 12025: 12026 (partial year): 1
2007high 9 (2015) · low 0 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DSI

243in 2019

2007: 151 days median2008: 70 days median2009: 73 days median2010: 111 days median2011: 114 days median2012: 113 days median2014: 200 days median2015: 127 days median2016: 224 days median2019: 243 days median
2007high 243 (2019) · low 70 (2008)2026

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

Recalls per year · DSI

18in 2025

2007: 42008: 82009: 32010: 52011: 32012: 12018: 12019: 42020: 22022: 12023: 22025: 182026 (partial year): 1
2007high 18 (2025) · low 0 (2013)2026

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

Adverse event reports per year · DSI

712in 2025

2007: 642008: 1562009: 2792010: 8232011: 7932012: 7662013: 7952014: 1,0002015: 1,6452016: 4,3522017: 3,5942018: 3,6482019: 3,4852020: 3,0842021: 3,0922022: 1,6382023: 1,6162024: 1,3202025: 712
2007high 4,352 (2016) · low 64 (2007)2025

MAUDE reports naming product code DSI, 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
20077151464
20085708156
20096733279
201061115823
201161143793
201231131766
20131—0795
2014420001,000
2015912701,645
2016622404,352
20170—03,594
20182—13,648
2019324343,485
20202—23,084
20210—03,092
20220—11,638
20232—21,616
20241—01,320
20251—18712
20261—1—

What is it indicated for?

The ENVOY Monitor is a physiological patient monitor intended to be used for monitoring vital signs of critically ill adult and pediatric patients in the hospital environment, such as: ECG/Heart Rate, Invasive Blood Pressure, Respiration, Temperature, Noninvasive Blood Pressure, and Pulse Oximetry. The ENVOY may be used to monitor a wide range of patient conditions in many different clinical specialties within the hospital. The device is intended for use by qualified health care providers, who will determine when use of the device is indicated, based upon their professional assessment of the patient’s medical condition.

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. “K974510: Envoy Patient Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K974510

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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