510(k) Report

510(k) · Cleared

Cleared

Model Ami Infant Central Aphea/Heart Rate Monitor

K961972510(k) TraditionalCleared Apr 18, 1997333-day reviewClass II21 CFR 868.2375

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

Aequitron Medical, Inc. · BZQ Monitor, Breathing Frequency

Cleared on Apr 18, 1997 after a 333-day review. The FDA summary names its predicate without a number. 1 later device descends from it.

Decided
Apr 18, 1997
Review
333 days
Class
Class II
Product code
BZQ
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2000: 1 descendant cleared1995200020052010201520202025
  1. This deviceK961972 Model Ami Infant Central Aphea/Heart Rate MonitorAequitron Medical, Inc. · 1997
  2. Descendant · cites it directly · 0 of its ownK991087 Hannah Wireless Vital Signs MonitorIlife Systems, Inc. · 2000

Most influential descendants

Showing 1 of 1 · See all
  • K991087Hannah Wireless Vital Signs MonitorIlife Systems, Inc. · 2000 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K961972Model Ami Infant Central Aphea/Heart Rate MonitorAequitron Medical, Inc.1997—
+1K991087Hannah Wireless Vital Signs MonitorIlife Systems, Inc.2000—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200010
FIG. 1 — Lineage of K961972, 1997–2000Source: 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 BZQ? 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 BZQ device

  1. #1 K251326 Respiration Rate algorithmscore 20.2 · 30 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*—Aequitron Model 9550
Named without a submission number
—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K991087Hannah Wireless Vital Signs MonitorIlife Systems, Inc.20000

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?

  • Of its descendants, K991087 (Ilife Systems, Inc., 2000) has gone furthest, with 0 descendants of its own.

How does its category compare?

All BZQ devices

BZQ Monitor, Breathing Frequency: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BZQ

7in 2025

2007: 22008: 12009: 32010: 22011: 12012: 22013: 32014: 22016: 22018: 32019: 12020: 22021: 22022: 32023: 12024: 12025: 72026 (partial year): 2
2007high 7 (2025) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BZQ

255in 2025

2009: 121 days median2013: 261 days median2018: 198 days median2022: 198 days median2025: 255 days median
2007high 261 (2013) · low 121 (2009)2026

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

Recalls per year · BZQ

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

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

Adverse event reports per year · BZQ

2in 2022

2007: 72009: 12010: 12012: 32017: 112018: 102019: 132020: 102021: 12022: 2
2007high 13 (2019) · low 0 (2008)2025

MAUDE reports naming product code BZQ, 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
20072—07
20081—00
2009312101
20102—11
20111—00
20122—03
2013326100
20142—00
20150—00
20162—00
20170—011
20183198010
20191—013
20202—010
20212—01
2022319802
20231—00
20241—00
2025725500
20262—0—

What is it indicated for?

Use of the Ami Infant Central Apnea/Heart Rate Monitor is indicated for the continuous monitoring of an infant's heart rate and respiration rate in a home, hospital or portable environment. Continuous monitoring is indicated for infants whose physical condition may result or has resulted in an instability in heart rate or respiration which may become detrimental to the infant. Conditions which may require monitoring include (not all inclusive):

Prematurity

Respiratory dysfunction

Neurologic dysfunction

Matemnal drug abuse

Cardiovascular dysfunction

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. “K961972: Model Ami Infant Central Aphea/Heart Rate Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K961972

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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