510(k) · Cleared
ClearedConchasmart Column
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Teleflex, Inc. · BTT Humidifier, Respiratory Gas, (Direct Patient Interface)
Cleared on Nov 24, 2014 as substantially equivalent to K131957 (Fisher & Paykel Healthcare, Ltd., 2013) after a 130-day review. Its family tree reaches back 8 generations to 1992.
- Decided
- Nov 24, 2014
- Review
- 130 days
- Class
- Class II
- Product code
- BTT
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 8 generations to K913368 (1992). 12 ancestors in all, the oldest K902506 (1991). No later device cites it as a predicate yet.
- Root · 8 generations backK913368 Models MR700/MR720/MR730 Dual Servo Resp Humid AccFisher & Paykel Electronics, Ltd. · 1992
- 7 generations backK953392 HC500 Servo-Controlled Heated Respiratory Humidifier (& Accessories)Fisher & Paykel Electronics, Ltd. · 1996
- 6 generations backK983112 Respiratory Humidifier, Model # MR850Fisher & Paykel Healthcare, Ltd. · 1998 · Recalled
- 5 generations backK020332 Respiratory Humidifier, Model MR850Fisher & Paykel Healthcare, Ltd. · 2003 · Recalled
- 4 generations backK033710 MR850 Respiratory Humidifier, Model MR850JHUFisher & Paykel Healthcare, Ltd. · 2004
- 3 generations backK073706 Respiratory Humidifier, Model MR850Fisher & Paykel Healthcare, Ltd. · 2008
- 2 generations backK100554 Respiratory Humidifier , Heated Delivery System, Adaptor, Models…Fisher & Paykel Healthcare, Ltd. · 2010
- 1 generation backK131957 MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit…Fisher & Paykel Healthcare, Ltd. · 2013
- This deviceK141940 Conchasmart ColumnTeleflex, Inc. · 2014
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K913368 | Models MR700/MR720/MR730 Dual Servo Resp Humid Acc | Fisher & Paykel Electronics, Ltd. | 1992 | — |
| −7 | K953392 | HC500 Servo-Controlled Heated Respiratory Humidifier (& Accessories) | Fisher & Paykel Electronics, Ltd. | 1996 | — |
| −6 | K983112 | Respiratory Humidifier, Model # MR850 | Fisher & Paykel Healthcare, Ltd. | 1998 | 5 |
| −5 | K020332 | Respiratory Humidifier, Model MR850 | Fisher & Paykel Healthcare, Ltd. | 2003 | 1 |
| −4 | K033710 | MR850 Respiratory Humidifier, Model MR850JHU | Fisher & Paykel Healthcare, Ltd. | 2004 | — |
| −3 | K073706 | Respiratory Humidifier, Model MR850 | Fisher & Paykel Healthcare, Ltd. | 2008 | — |
| −2 | K100554 | Respiratory Humidifier , Heated Delivery System, Adaptor, Models MR880, RT241… | Fisher & Paykel Healthcare, Ltd. | 2010 | — |
| −1 | K131957 | MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit, 900MR810E… | Fisher & Paykel Healthcare, Ltd. | 2013 | — |
| 0 (this device) | K141940 | Conchasmart Column | Teleflex, Inc. | 2014 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1994 | 1 | 0 |
| 2000 | 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 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 K222197 F&P Optiflow Junior 2/2+ Nasal Cannula…score 16.8 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K131957 | MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit, 900MR810E Adult Dual…Summary page 4…nel: Anesthesiology E. Predicate Device This submission demonstrates substantial equivalence to the Fisher and Paykel MR290 Autofeed Humidification Chamber K131957. F. Device Description The ConchaSmart Column is an accessory to the Neptune Heated Humidifier (K063758 and K131912). It i… | 2013 |
| † | K132017 | HC550 Respiratory Humidifier, Adult Ventilator Circuit | 2014 |
| † | K131895 | Airvo 2 Humidifier, Myairvo 2 Humidifier | 2013 |
| † | K110019 | Respiratory Humidifer | 2012 |
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 22 years and passes through 3 companies; a new generation was cleared every 3.5 years on median.
- 2 of the 12 ancestors have a recall of any class.
- 1 other device also cites its predicate K131957.
How does its category compare?
All BTT devicesBTT Humidifier, Respiratory Gas, (Direct Patient Interface): FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.
FDA decisions per year · BTT
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · BTT
104in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · BTT
1in 2025
Class I (4 since 2007) Class II/III not classified
Adverse event reports per year · BTT
1,743in 2025
MAUDE reports naming product code BTT, 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 | 6 | 73 | 1 | 365 |
| 2008 | 4 | 199 | 1 | 456 |
| 2009 | 1 | — | 0 | 558 |
| 2010 | 4 | 113 | 2 | 562 |
| 2011 | 3 | 116 | 1 | 665 |
| 2012 | 2 | — | 0 | 583 |
| 2013 | 6 | 171 | 0 | 718 |
| 2014 | 7 | 231 | 5 (4) | 718 |
| 2015 | 1 | — | 0 | 670 |
| 2016 | 3 | 157 | 0 | 1,094 |
| 2017 | 3 | 303 | 0 | 1,007 |
| 2018 | 2 | — | 0 | 918 |
| 2019 | 1 | — | 0 | 894 |
| 2020 | 2 | — | 0 | 1,188 |
| 2021 | 2 | — | 0 | 1,510 |
| 2022 | 3 | 290 | 0 | 749 |
| 2023 | 7 | 258 | 0 | 716 |
| 2024 | 7 | 219 | 0 | 501 |
| 2025 | 4 | 104 | 1 | 1,743 |
| 2026 | 4 | 184 | 1 | — |
What is it indicated for?
When used with a Neptune Heated Humidifier and Hudson RCI ventilator circuits, the ConchaSmart Column provides
heated humidification for patients with and without an artificial airway in place.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K141940 · printed Nov 6, 2026
Cite this page
510(k) Report. “K141940: Conchasmart Column.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K141940
Report an extraction error
Are you the manufacturer?
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