510(k) · Cleared
ClearedAttune Sleep Apnea System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Apnicure, Inc. · OZR Intraoral Pressure Gradient Device
Cleared on Mar 30, 2012 as substantially equivalent to K033822 (Respironics, Inc., 2004) and 7 other predicates after a 301-day review. Its family tree reaches back 9 generations to 1996. 5 later devices descend from it.
- Decided
- Mar 30, 2012
- Review
- 301 days
- Class
- Class II
- Product code
- OZR
- Recalls
- None
- Predicates
- 8
Its longest line of descent runs back 9 generations to K953930 (1996). 120 ancestors in all, the oldest K811102 (1981). 5 later devices descend from it, 3 citing it directly.
- Root · 9 generations backK953930 Virtuoso Smart Cpap SystemRespironics, Inc. · 1996
- 5 generations between
- 3 generations backK050759 Bipap AutoRespironics, Inc. · 2005 · Recalled
- 2 generations backK063830 Remstar Aflex Cpap SystemRespironics Inc., Sleep & Home Respiratory Group · 2007
- 1 generation backK071560 Provent Nasal Dilator, Model BR2Ventus Medical, Inc. · 2008
- This deviceK111549 Attune Sleep Apnea SystemApnicure, Inc. · 2012
- Descendant · cites it directly · 3 of its ownK122130 Winx Sleep Therapy SystemApnicure, Inc. · 2012
- Descendant · cites it directly · 2 of its ownK130538 Winx Sleep Therapy SystemApnicure, Inc. · 2013
- Descendant · 2 generations on · 1 of its ownK193460 The iNAP One Sleep Therapy SystemSomnice, Inc. · 2020
- Descendant · 3 generations on · 0 of its ownK220907 The iNAP One Sleep Therapy SystemSomnics, Inc. · 2023
- Descendant · cites it directly · 0 of its ownK132003 Winx Sleep Therapy SystemApnicure, Inc. · 2014
Show all 9 generations
- Root · 9 generations backK953930 Virtuoso Smart Cpap SystemRespironics, Inc. · 1996
- 8 generations backK993433 Virtuoso LX Smart Cpap SystemRespironics, Inc. · 1999
- 7 generations backK012554 Remstar Auto Cpap SystemRespironics, Inc. · 2002
- 6 generations backK031460 Modification to Remstar Auto Cpap SystemRespironics, Inc. · 2003
- 5 generations backK032834 Bipap Pro 2 BI-Level SystemRespironics, Inc. · 2004
- 4 generations backK043607 Bipap Pro 2 BI-Level System with BI-FlexRespironics, Inc. · 2005
- 3 generations backK050759 Bipap AutoRespironics, Inc. · 2005 · Recalled
- 2 generations backK063830 Remstar Aflex Cpap SystemRespironics Inc., Sleep & Home Respiratory Group · 2007
- 1 generation backK071560 Provent Nasal Dilator, Model BR2Ventus Medical, Inc. · 2008
- This deviceK111549 Attune Sleep Apnea SystemApnicure, Inc. · 2012
Most influential descendants
Showing 5 of 5 · See all- K122130Winx Sleep Therapy SystemApnicure, Inc. · 2012 · cites it directly3descendants
- K130538Winx Sleep Therapy SystemApnicure, Inc. · 2013 · cites it directly2descendants
- K193460The iNAP One Sleep Therapy SystemSomnice, Inc. · 2020 · 2 generations on1descendant
- K220907The iNAP One Sleep Therapy SystemSomnics, Inc. · 2023 · 3 generations on0descendants
- K132003Winx Sleep Therapy SystemApnicure, Inc. · 2014 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K953930 | Virtuoso Smart Cpap System | Respironics, Inc. | 1996 | — |
| −8 | K993433 | Virtuoso LX Smart Cpap System | Respironics, Inc. | 1999 | — |
| −7 | K012554 | Remstar Auto Cpap System | Respironics, Inc. | 2002 | — |
| −6 | K031460 | Modification to Remstar Auto Cpap System | Respironics, Inc. | 2003 | — |
| −5 | K032834 | Bipap Pro 2 BI-Level System | Respironics, Inc. | 2004 | — |
| −4 | K043607 | Bipap Pro 2 BI-Level System with BI-Flex | Respironics, Inc. | 2005 | — |
| −3 | K050759 | Bipap Auto | Respironics, Inc. | 2005 | 1 |
| −2 | K063830 | Remstar Aflex Cpap System | Respironics Inc., Sleep & Home Respiratory Group | 2007 | — |
| −1 | K071560 | Provent Nasal Dilator, Model BR2 | Ventus Medical, Inc. | 2008 | — |
| 0 (this device) | K111549 | Attune Sleep Apnea System | Apnicure, Inc. | 2012 | — |
| +1 | K122130 | Winx Sleep Therapy System | Apnicure, Inc. | 2012 | — |
| +1 | K130538 | Winx Sleep Therapy System | Apnicure, Inc. | 2013 | — |
| +2 | K193460 | The iNAP One Sleep Therapy System | Somnice, Inc. | 2020 | — |
| +3 | K220907 | The iNAP One Sleep Therapy System | Somnics, Inc. | 2023 | — |
| +1 | K132003 | Winx Sleep Therapy System | Apnicure, Inc. | 2014 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1981 | 1 | 0 |
| 1983 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 0 |
| 2003 | 11 | 0 |
| 2004 | 10 | 0 |
| 2005 | 3 | 0 |
| 2006 | 5 | 0 |
| 2007 | 6 | 0 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2020 | 1 | 0 |
| 2023 | 1 | 0 |
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 OZR? 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 OZR device
- #1 K220907 The iNAP One Sleep Therapy Systemscore 9.1 · 13 generations · no Class I recall
- #2 Held for the reportin the report
What was it cleared against? (8)
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 |
|---|---|---|---|
| * | K033822 | Respironics Custom I Oral ApplianceSummary page 2…Name Manufacturer 510(k) # SnoreSilencer Pro Respironics K033822 Qasys Oral Airway System Mark Abramson K030440 Provent Professional Steep Ve… | 2004 |
| * | K030440 | Oasys-Oral Airway SystemSummary page 2…) # SnoreSilencer Pro Respironics K033822 Qasys Oral Airway System Mark Abramson K030440 Provent Professional Steep Ventus Medical K071560 Apnea Therapy Repose Bon… | 2003 |
| * | K071560 | Provent Nasal Dilator, Model BR2Summary page 2…22 Qasys Oral Airway System Mark Abramson K030440 Provent Professional Steep Ventus Medical K071560 Apnea Therapy Repose Bone Screw Influence, Inc. K981 677 System… | 2008 |
| * | K981677 | Repose Bone Screw SystemSummary page 2…fessional Steep Ventus Medical K071560 Apnea Therapy Repose Bone Screw Influence, Inc. K981 677 System Prelude lll"m Tongue Siesta Medical, Inc. Ki110127 Suspension System… | 1999 |
| * | K110127 | Prelude Iii Tongue Suspension SystemSummary page 2…Bone Screw Influence, Inc. K981 677 System Prelude lll"m Tongue Siesta Medical, Inc. Ki110127 Suspension System Sleepstyle 200 Series Fisher & Paykel K040941, HC234… | 2011 |
| * | K040941 | Cpap Humidifier, Model HC234 (and Related Accessories)Summary page 2…ngue Siesta Medical, Inc. Ki110127 Suspension System Sleepstyle 200 Series Fisher & Paykel K040941, HC234 CPAP, Opus Mask K063036 S8 Aspen CPAP… | 2004 |
| * | K063036 | Opus HC482 Direct Nasal MaskSummary page 2…m Sleepstyle 200 Series Fisher & Paykel K040941, HC234 CPAP, Opus Mask K063036 S8 Aspen CPAP Resmed Ltd. K091 947 Non-clinical Performance Data: Non-cli… | 2006 |
| * | K091947 | S8 Aspen with H4I PlusSummary page 2…1, HC234 CPAP, Opus Mask K063036 S8 Aspen CPAP Resmed Ltd. K091 947 Non-clinical Performance Data: Non-clinical performance testing included functional testing, biocompatibility testing, software… | 2009 |
What descends from it? (5)
3 later devices cite it directly; ranked here by how many devices descend from each in turn.
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?
- The line of descent spans 16 years and passes through 4 companies; a new generation was cleared every 1.4 years on median.
- 19 of the 120 ancestors have a recall of any class.
- Of its descendants, K122130 (Apnicure, Inc., 2012) has gone furthest, with 3 descendants of its own.
- 3 other devices also cite its predicate K033822.
How does its category compare?
All OZR devicesOZR Intraoral Pressure Gradient Device: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.
FDA decisions per year · OZR
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · OZR
Too few OZR 510(k)s in any year since 2007 to give a median.
Recalls per year · OZR
No recall names OZR since 2007.
Adverse event reports per year · OZR
1in 2017
MAUDE reports naming product code OZR, 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 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 2 | — | 0 | 0 |
| 2013 | 1 | — | 0 | 0 |
| 2014 | 1 | — | 0 | 1 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 1 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 1 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Attune Sleep Apnea System is indicated for home use in the treatment of obstructive sleep apnea (OSA) in adults.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K111549 · printed Nov 6, 2026
Cite this page
510(k) Report. “K111549: Attune Sleep Apnea System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K111549
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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