510(k) Report

510(k) · Cleared

Cleared

Tiara Snapp X Soft Nasal Accessory for Positive Pressure, Models TMS-3020, TMS-3030, TMS- 3040, TMS-3050

K051583510(k) SpecialCleared Nov 4, 2005142-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

Tiara Medical Systems, Inc. · BZD Ventilator, Non-Continuous (Respirator)

Cleared on Nov 4, 2005 as substantially equivalent to K034053 (Tiara Medical Systems, Inc., 2004) and 1 other predicate after a 142-day review. Its family tree reaches back 4 generations to 1998.

Decided
Nov 4, 2005
Review
142 days
Class
Class II
Product code
BZD
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K982530 (1998). 18 ancestors in all, the oldest K900164 (1990). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2004: 1 other ancestor2003: 4 other ancestors2002: 2 other ancestors2001: 1 other ancestor1999: 2 other ancestors1998: 1 other ancestor1996: 2 other ancestors1990: 1 other ancestorK982530 · Sullivan Mirage Full Face Mask · Resmed, Ltd. · 1998K023244 · Mirage Full Face Mask Series 2 · Resmed, Ltd. · 2002K032916 · Mirage Activa Mask · Resmed, Ltd. · 2003K042403 · Mirage Swift · Resmed, Ltd. · 20041990199520002005
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 8 other ancestors3 generations back: 5 other ancestors K042403 · Mirage Swift · Resmed, Ltd. · 2004K032916 · Mirage Activa Mask · Resmed, Ltd. · 2003K023244 · Mirage Full Face Mask Series 2 · Resmed, Ltd. · 2002K982530 · Sullivan Mirage Full Face Mask · Resmed, Ltd. · 19980
  1. Root · 4 generations backK982530 Sullivan Mirage Full Face MaskResmed, Ltd. · 1998
  2. 3 generations backK023244 Mirage Full Face Mask Series 2Resmed, Ltd. · 2002
  3. 2 generations backK032916 Mirage Activa MaskResmed, Ltd. · 2003
  4. 1 generation backK042403 Mirage SwiftResmed, Ltd. · 2004
  5. This deviceK051583 Tiara Snapp X Soft Nasal Accessory for Positive Pressure, Models…Tiara Medical Systems, Inc. · 2005
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K982530Sullivan Mirage Full Face MaskResmed, Ltd.1998—
−3K023244Mirage Full Face Mask Series 2Resmed, Ltd.2002—
−2K032916Mirage Activa MaskResmed, Ltd.2003—
−1K042403Mirage SwiftResmed, Ltd.2004—
0 (this device)K051583Tiara Snapp X Soft Nasal Accessory for Positive Pressure, Models TMS-3020…Tiara Medical Systems, Inc.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199620
199810
199920
200110
200220
200340
200410
FIG. 1 — Lineage of K051583, 1998–2005Source: 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? (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
*K034053TMS Snapp Soft Nasal Accessory for Positive Pressure, Models TMS-3020, TMS-3030 & TMS-3040
Summary page 1
…n to Predicate Device(s): The Tiara Medical Systems SNAPP~-X Soft Nasal Accessory for Positive Pressure is substantially equivalent to the Tiara Medical Systems SNAPP~h, K034053, and the Resmed Swift, K042403. Among the information and data presented in the 51 0(k) submission to support the substantial equ…
Tiara Medical Systems, Inc.2004—
*K042403Mirage Swift
Summary page 1
…iara Medical Systems SNAPP~-X Soft Nasal Accessory for Positive Pressure is substantially equivalent to the Tiara Medical Systems SNAPP~h, K034053, and the Resmed Swift, K042403. Among the information and data presented in the 51 0(k) submission to support the substantial equivalency of the Tiara Medical S…
Resmed, Ltd.2004—

What descends from it?

No later submission names this one as a predicate yet.

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 7 years and passes through 2 companies; a new generation was cleared every 1.1 years on median.
  • None of the 18 ancestors has a recall.

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 Tiara Medical Systems SNAPP-X is intended to be used with continuous positive airway pressure devices (CPAP), operating at or above 3 cmH20 for the treatment of obstructive sleep apnea. The SNAPP-X is intended for single patient use and can be used in the home or in a hospital/institutional environment. The SNAPP-X is to be used on adult patients (>30Kg) for whom continuous positive airway pressure has been prescribed

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051583: Tiara Snapp X Soft Nasal Accessory for Positive Pressure, Models TMS-3020, TMS-3030, TMS- 3040, TMS-3050.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051583

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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