510(k) Report

510(k) · Cleared

Cleared

Rescontrol II

K040944510(k) TraditionalCleared Jun 3, 200452-day reviewClass II21 CFR 868.5905

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

Resmed, Ltd. · BZD Ventilator, Non-Continuous (Respirator)

Cleared on Jun 3, 2004 as substantially equivalent to K961783 (Resmed, Ltd., 1996) after a 52-day review. Its family tree reaches back 1 generation to 1996. 5 later devices descend from it.

Decided
Jun 3, 2004
Review
52 days
Class
Class II
Product code
BZD
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K961783 (1996). 5 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2009: 1 descendant cleared2008: 1 descendant cleared2007: 1 descendant cleared2012: 1 descendant cleared2024: 1 descendant clearedReference device: K971812 · Precision Qid Blood Glucose Test Strip, Precision G Blood Glucose Test Strip · Medisense, Inc. · 1997K961783 · Sullivan Vpap II ST Nasal Vpap System · Resmed, Ltd. · 19961995200020052010201520202025
Descendants, by generation 1 generation forward: 3 descendants2 generations forward: 1 descendant3 generations forward: 1 descendant K961783 · Sullivan Vpap II ST Nasal Vpap System · Resmed, Ltd. · 19960
  1. Root · 1 generation backK961783 Sullivan Vpap II ST Nasal Vpap SystemResmed, Ltd. · 1996
  2. This deviceK040944 Rescontrol IIResmed, Ltd. · 2004
  3. Descendant · cites it directly · 3 of its ownK072615 TxcontrolResmed, Ltd. · 2008
  4. Descendant · cites it directly · 2 of its ownK092026 Easycare TX, TX LinkResmed, Ltd. · 2009
  5. Descendant · 2 generations on · 1 of its ownK113780 Easycare TX System (Connexuns)Resmed, Ltd. · 2012
  6. Descendant · 3 generations on · 0 of its ownK241939 EasyCare Tx 2Resmed Corp · 2024
  7. Descendant · cites it directly · 0 of its ownK063501 Knightcontrol Remote Control, Model M-114700-USMallinckrodt Developpement France · 2007

Most influential descendants

Showing 5 of 5 · See all
  • K072615TxcontrolResmed, Ltd. · 2008 · cites it directly3descendants
  • K092026Easycare TX, TX LinkResmed, Ltd. · 2009 · cites it directly2descendants
  • K113780Easycare TX System (Connexuns)Resmed, Ltd. · 2012 · 2 generations on1descendant
  • K241939EasyCare Tx 2Resmed Corp · 2024 · 3 generations on0descendants
  • K063501Knightcontrol Remote Control, Model M-114700-USMallinckrodt Developpement France · 2007 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K961783Sullivan Vpap II ST Nasal Vpap SystemResmed, Ltd.1996—
0 (this device)K040944Rescontrol IIResmed, Ltd.2004—
+1K072615TxcontrolResmed, Ltd.2008—
+1K092026Easycare TX, TX LinkResmed, Ltd.2009—
+2K113780Easycare TX System (Connexuns)Resmed, Ltd.2012—
+3K241939EasyCare Tx 2Resmed Corp2024—
+1K063501Knightcontrol Remote Control, Model M-114700-USMallinckrodt Developpement France2007—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200710
200810
200910
201210
202410
FIG. 1 — Lineage of K040944, 1996–2024Source: 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 BZD? 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 BZD device

  1. #1 K250624 myAirscore 15.7 · 12 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
*K961783Sullivan Vpap II ST Nasal Vpap System
Summary page 1
…ator (with accessory) ' Proopietara Name ResContro]l II Predicate Device(s) ResMed UCU (K961783) Reason for submission New Device Indications for Use The ResControl Mis intended to be used by c…
Resmed, Ltd.1996—
†K971812Precision Qid Blood Glucose Test Strip, Precision G Blood Glucose Test StripMedisense, Inc.1997—

Also cleared against K961783: 10 other devices →

What descends from it? (5)

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K072615TxcontrolResmed, Ltd.20083
K092026Easycare TX, TX LinkResmed, Ltd.20092
K063501Knightcontrol Remote Control, Model M-114700-USMallinckrodt Developpement France20070

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?

  • Its one ancestor has no recall.
  • Of its descendants, K072615 (Resmed, Ltd., 2008) has gone furthest, with 3 descendants of its own.
  • 10 other devices also cite its predicate K961783.

How does its category compare?

All BZD devices

BZD Ventilator, Non-Continuous (Respirator): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BZD

7in 2025

2007: 212008: 172009: 232010: 122011: 232012: 212013: 232014: 142015: 112016: 122017: 52018: 52019: 62020: 62021: 62022: 42023: 52024: 102025: 72026 (partial year): 10
2007high 23 (2009) · low 4 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BZD

189in 2025

2007: 83 days median2008: 108 days median2009: 90 days median2010: 122 days median2011: 125 days median2012: 133 days median2013: 127 days median2014: 172 days median2015: 224 days median2016: 217 days median2017: 221 days median2018: 280 days median2019: 231 days median2020: 137 days median2021: 192 days median2022: 253 days median2023: 204 days median2024: 132 days median2025: 189 days median2026 (partial year): 214 days median
2007high 280 (2018) · low 83 (2007)2026

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

Recalls per year · BZD

8in 2023

2007: 292008: 22009: 12011: 12019: 4, 4 Class I2023: 8, 7 Class I2026 (partial year): 2, 2 Class I
2007high 29 (2007) · low 0 (2010)2026

Class I (13 since 2007) Class II/III not classified

Adverse event reports per year · BZD

60,279in 2025

2007: 652008: 672009: 1472010: 1432011: 1892012: 1392013: 822014: 862015: 1142016: 1182017: 1482018: 1012019: 1882020: 1262021: 6,0662022: 90,7682023: 27,9872024: 68,2622025: 60,279
2007high 90,768 (2022) · low 65 (2007)2025

MAUDE reports naming product code BZD, 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
200721832965
200817108267
200923901147
2010121220143
2011231251189
2012211330139
201323127082
201414172086
2015112240114
2016122170118
201752210148
201852800101
201962314 (4)188
202061370126
2021619206,066
20224253090,768
202352048 (7)27,987
202410132068,262
20257189060,279
2026102142 (2)—

What is it indicated for?

The ResControl II is intended to be used by clinicians with ResMed flow generators that have software incorporating ResMed's proprietary communication protocol. ResControl II displays data, relays data to a polysomnograph and acts as a manometer. ResControl II also provides functionality for setting flow generator parameters.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040944: Rescontrol II.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K040944

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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