510(k) Report

510(k) · Cleared

Recalled · 2007

ALICE

K922106510(k) TraditionalCleared Jul 6, 1994792-day reviewClass II21 CFR 882.1400Recalls 1

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

Healthdyne, Inc. · OLV Standard Polysomnograph With Electroencephalograph

Cleared on Jul 6, 1994 after a 792-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 62 later devices descend from it. It has been recalled once.

Decided
Jul 6, 1994
Review
792 days
Class
Class II
Product code
OLV
Recalls
1
Predicates
0

62 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1998: 1 descendant cleared1999: 2 descendants cleared2009: 3 descendants cleared2016: 4 descendants cleared2008: 2 descendants cleared2007: 1 descendant cleared2011: 2 descendants cleared2010: 2 descendants cleared2014: 2 descendants cleared2021: 3 descendants cleared2020: 2 descendants cleared2017: 1 descendant cleared2025: 9 descendants cleared2012: 1 descendant cleared2018: 3 descendants cleared2026: 8 descendants cleared2022: 6 descendants cleared2024: 3 descendants cleared2023: 4 descendants cleared2013: 1 descendant cleared2019: 2 descendants cleared1990200020102020
  1. This deviceK922106 ALICEHealthdyne, Inc. · 1994
  2. Descendant · cites it directly · 61 of its ownK971813 EMBLAFerguson Medical · 1998
  3. Descendant · 2 generations on · 25 of its ownK080427 Watch-Pat Model 100S-2Itamar Medical · 2008
  4. Descendant · 3 generations on · 24 of its ownK081982 Watch-Pat 200S-2 (WP200S-2)Itamar Medical · 2008
  5. Descendant · 2 generations on · 23 of its ownK102567 Watch-Pat 200S-3 (WP200S-3)Itamar Medical, Ltd. · 2011
  6. Descendant · 2 generations on · 23 of its ownK070375 Earlysense ES-16 SystemEarlysense, Ltd. · 2007

Showing 5 of 62 descendants. See all descendants

Descendants cleared per year

1998: 11999: 22007: 12008: 22009: 32010: 22011: 22012: 12013: 12014: 22016: 42017: 12018: 32019: 22020: 22021: 32022: 62023: 42024: 32025: 92026: 8
1998high 9 (2025) · low 0 (2000)2026

Most influential descendants

Showing 5 of 62 · See all
  • K971813EMBLAFerguson Medical · 1998 · cites it directly61descendants
  • K080427Watch-Pat Model 100S-2Itamar Medical · 2008 · 2 generations on25descendants
  • K081982Watch-Pat 200S-2 (WP200S-2)Itamar Medical · 2008 · 3 generations on24descendants
  • K102567Watch-Pat 200S-3 (WP200S-3)Itamar Medical, Ltd. · 2011 · 2 generations on23descendants
  • K070375Earlysense ES-16 SystemEarlysense, Ltd. · 2007 · 2 generations on23descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K922106ALICEHealthdyne, Inc.1994—
+1K971813EMBLAFerguson Medical1998—
+2K080427Watch-Pat Model 100S-2Itamar Medical2008—
+3K081982Watch-Pat 200S-2 (WP200S-2)Itamar Medical2008—
+2K102567Watch-Pat 200S-3 (WP200S-3)Itamar Medical, Ltd.2011—
+2K070375Earlysense ES-16 SystemEarlysense, Ltd.2007—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
199920
200710
200820
200930
201020
201120
201210
201310
201420
201640
201710
201830
201920
202020
202130
202260
202340
202430
202590
202680
FIG. 1 — Lineage of K922106, 1994–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in OLV? 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 OLV device

  1. #1 K241288 Noxturnal Webscore 17.3 · 10 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?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (62)

See all 62

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

NumberDeviceApplicantDecidedDescendants
K971813EMBLAFerguson Medical199861

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Oct 15, 2007Not classifiedZ-1090-2008Environmental controlForeign material: Glass fragments may present in the plastic bag material used to ship components.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K971813 (Ferguson Medical, 1998) has gone furthest, with 61 descendants of its own.

How does its category compare?

All OLV devices

OLV Standard Polysomnograph With Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · OLV

1in 2025

2008: 22010: 12011: 22013: 12015: 12017: 32018: 32020: 22022: 12024: 22025: 12026 (partial year): 2
2007high 3 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLV

141in 2018

2017: 83 days median2018: 141 days median
2007high 141 (2018) · low 83 (2017)2026

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

Recalls per year · OLV

No recall names OLV since 2007.

Adverse event reports per year · OLV

1in 2025

2013: 12016: 42018: 32019: 12021: 32022: 32023: 22024: 22025: 1
2007high 4 (2016) · low 0 (2007)2025

MAUDE reports naming product code OLV, 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
20070—00
20082—00
20090—00
20101—00
20112—00
20120—00
20131—01
20140—00
20151—00
20160—04
201738300
2018314103
20190—01
20202—00
20210—03
20221—03
20230—02
20242—02
20251—01
20262—0—
Cite this page

510(k) Report. “K922106: ALICE.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K922106

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026