510(k) Report

510(k) · Cleared

Cleared

Respiratory Humidifier , Heated Delivery System, Adaptor, Models MR880, RT241, 900MR441

K100554510(k) TraditionalCleared May 28, 201091-day reviewClass II21 CFR 868.5450

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

Fisher & Paykel Healthcare, Ltd. · BTT Humidifier, Respiratory Gas, (Direct Patient Interface)

Cleared on May 28, 2010 as substantially equivalent to K073706 (Fisher & Paykel Healthcare, Ltd., 2008) after a 91-day review. Its family tree reaches back 6 generations to 1992. 4 later devices descend from it.

Decided
May 28, 2010
Review
91 days
Class
Class II
Product code
BTT
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K913368 (1992). 10 ancestors in all, the oldest K902506 (1991). 4 later devices descend from it, 1 citing it directly.

  1. Root · 6 generations backK913368 Models MR700/MR720/MR730 Dual Servo Resp Humid AccFisher & Paykel Electronics, Ltd. · 1992
  2. 5 generations backK953392 HC500 Servo-Controlled Heated Respiratory Humidifier (& Accessories)Fisher & Paykel Electronics, Ltd. · 1996
  3. 4 generations backK983112 Respiratory Humidifier, Model # MR850Fisher & Paykel Healthcare, Ltd. · 1998 · Recalled
  4. 3 generations backK020332 Respiratory Humidifier, Model MR850Fisher & Paykel Healthcare, Ltd. · 2003 · Recalled
  5. 2 generations backK033710 MR850 Respiratory Humidifier, Model MR850JHUFisher & Paykel Healthcare, Ltd. · 2004
  6. 1 generation backK073706 Respiratory Humidifier, Model MR850Fisher & Paykel Healthcare, Ltd. · 2008
  7. This deviceK100554 Respiratory Humidifier , Heated Delivery System, Adaptor, Models…Fisher & Paykel Healthcare, Ltd. · 2010
  8. Descendant · cites it directly · 3 of its ownK131957 MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit…Fisher & Paykel Healthcare, Ltd. · 2013
  9. Descendant · 2 generations on · 1 of its ownK143646 MR810 System, 900MR810 Adult Single Limb Circuit, 900MR810E Adult…Fisher & Paykel Healthcare, Ltd. · 2015
  10. Descendant · 3 generations on · 0 of its ownK223684 F&P 820 Humidification SystemFisher & Paykel Healthcare, Ltd. · 2023
  11. Descendant · 2 generations on · 0 of its ownK141940 Conchasmart ColumnTeleflex, Inc. · 2014

Most influential descendants

Showing 4 of 4 · See all
  • K131957MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit, 900MR810E Adult Dual…Fisher & Paykel Healthcare, Ltd. · 2013 · cites it directly3descendants
  • K143646MR810 System, 900MR810 Adult Single Limb Circuit, 900MR810E Adult Dual Limb CircuitFisher & Paykel Healthcare, Ltd. · 2015 · 2 generations on1descendant
  • K223684F&P 820 Humidification SystemFisher & Paykel Healthcare, Ltd. · 2023 · 3 generations on0descendants
  • K141940Conchasmart ColumnTeleflex, Inc. · 2014 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K913368Models MR700/MR720/MR730 Dual Servo Resp Humid AccFisher & Paykel Electronics, Ltd.1992—
−5K953392HC500 Servo-Controlled Heated Respiratory Humidifier (& Accessories)Fisher & Paykel Electronics, Ltd.1996—
−4K983112Respiratory Humidifier, Model # MR850Fisher & Paykel Healthcare, Ltd.19985
−3K020332Respiratory Humidifier, Model MR850Fisher & Paykel Healthcare, Ltd.20031
−2K033710MR850 Respiratory Humidifier, Model MR850JHUFisher & Paykel Healthcare, Ltd.2004—
−1K073706Respiratory Humidifier, Model MR850Fisher & Paykel Healthcare, Ltd.2008—
0 (this device)K100554Respiratory Humidifier , Heated Delivery System, Adaptor, Models MR880, RT241…Fisher & Paykel Healthcare, Ltd.2010—
+1K131957MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit, 900MR810E…Fisher & Paykel Healthcare, Ltd.2013—
+2K143646MR810 System, 900MR810 Adult Single Limb Circuit, 900MR810E Adult Dual Limb…Fisher & Paykel Healthcare, Ltd.2015—
+3K223684F&P 820 Humidification SystemFisher & Paykel Healthcare, Ltd.2023—
+2K141940Conchasmart ColumnTeleflex, Inc.2014—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199210
199410
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201310
201410
201510
202310
FIG. 1 — Lineage of K100554, 1992–2023Source: 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 BTT? 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 BTT device

  1. #1 K222197 F&P Optiflow Junior 2/2+ Nasal Cannula…score 16.8 · 10 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
*K073706Respiratory Humidifier, Model MR850
Summary page 1
…Respiratory Gas Humidifier Classification name Respiratory Gas Humidifier 11 (21 CFR § 868.5450), Product Code BTT Predicate device K073706 Fisher & Paykel Healthcare MR850 Respiratory Humidifier…
Fisher & Paykel Healthcare, Ltd.2008—

Also cleared against K073706: 10 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K131957MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit, 900MR810E Adult Dual…Fisher & Paykel Healthcare, Ltd.20133

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 18 years and passes through 2 companies; a new generation was cleared every 4.0 years on median.
  • 2 of the 10 ancestors have a recall of any class.
  • Of its descendants, K131957 (Fisher & Paykel Healthcare, Ltd., 2013) has gone furthest, with 3 descendants of its own.
  • 10 other devices also cite its predicate K073706.

How does its category compare?

All BTT devices

BTT Humidifier, Respiratory Gas, (Direct Patient Interface): FDA decisions, review times, recalls and adverse event reports over 20 years. 2010, this device’s year, is highlighted.

FDA decisions per year · BTT

4in 2025

2007: 62008: 42009: 12010: 42011: 32012: 22013: 62014: 72015: 12016: 32017: 32018: 22019: 12020: 22021: 22022: 32023: 72024: 72025: 42026 (partial year): 4
2007high 7 (2014) · low 1 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BTT

104in 2025

2007: 73 days median2008: 199 days median2010: 113 days median2011: 116 days median2013: 171 days median2014: 231 days median2016: 157 days median2017: 303 days median2022: 290 days median2023: 258 days median2024: 219 days median2025: 104 days median2026 (partial year): 184 days median
2007high 303 (2017) · low 73 (2007)2026

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

Recalls per year · BTT

1in 2025

2007: 12008: 12010: 22011: 12014: 5, 4 Class I2025: 12026 (partial year): 1
2007high 5 (2014) · low 0 (2009)2026

Class I (4 since 2007) Class II/III not classified

Adverse event reports per year · BTT

1,743in 2025

2007: 3652008: 4562009: 5582010: 5622011: 6652012: 5832013: 7182014: 7182015: 6702016: 1,0942017: 1,0072018: 9182019: 8942020: 1,1882021: 1,5102022: 7492023: 7162024: 5012025: 1,743
2007high 1,743 (2025) · low 365 (2007)2025

MAUDE reports naming product code BTT, 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
20076731365
200841991456
20091—0558
201041132562
201131161665
20122—0583
201361710718
201472315 (4)718
20151—0670
2016315701,094
2017330301,007
20182—0918
20191—0894
20202—01,188
20212—01,510
202232900749
202372580716
202472190501
2025410411,743
202641841—

What is it indicated for?

The Fisher & Paykel Healthcare 880 Respiratory Humidification System (880 System) is intended to be used to warm and humidify breathing gases delivered to spontaneously breathing patients requiring assisted breathing and / or mucosal humidification. The system is intended to be used in a hospital environment by trained healthcare providers.

The 880 System is designed for use with an air-oxygen mix, up to 100% oxygen, provided by an external flow source. The flow may be from 5 L/min to 45 L/min depending on the type of patient interface.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K100554: Respiratory Humidifier , Heated Delivery System, Adaptor, Models MR880, RT241, 900MR441.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K100554

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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