BTT

Humidifier, Respiratory Gas, (Direct Patient Interface)

Product code
BTT
Device name
Humidifier, Respiratory Gas, (Direct Patient Interface)
Device class
Class 2
21 CFR
21 CFR 868.5450
Medical specialty
Anesthesiology
Marketing pathway
510(K)
510(k) clearances (last 3 years)
222

510(k) clearances, last 3 years (17)

Last three years. Most recent: 2026-08-27.

NumberDecision dateApplicantDevice nameSummary
K2622682026-08-27Fisher and Paykel Healthcare LimitedOptiflow Oxygen Kit (AA484J)PDF
K2540782026-04-13Vapotherm, Inc.HVT 2.0PDF
K2514482026-01-16Flexicare Medical Limited.FL-10000U Respiratory HumidifierPDF
K2514192026-01-14Laboratorios Biogalenic S.A. DE C.V.Laboratorios Biogalenic Sterile Water for InhalationFDA
K2534792025-12-19Fisher & Paykel Healthcare, Ltd.Optiflow Switch+ Filtered Nasal Interface with CO2 SPDF
K2503122025-07-02Medline Industries, LPHudson RCI® Comfort Flo Nasal Cannula Premature, InfPDF
K2516112025-06-25Fisher & Paykel Healthcare, Ltd.Optiflow+ Nasal Cannula - Small (OPT942); Optiflow+ PDF
K2427172025-01-30Laboratorios Biogalenic S.A. DE C.V.Laboratorios Biogalenic Sterile Water for InhalationPDF
K2417782024-12-19Medline Industries, LPHudson RCI Comfort Flo® CubCannula™PDF
K2401632024-09-27Medline Industries, LPHudson RCI® Comfort Flo Nasal Cannula; Hudson RCI® CPDF
K2340582024-08-08Fisher & Paykel Healthcare, Ltd.F&P Optiflow Filtered Nasal Interface with AnesthesiPDF
K2337072024-06-14Invent Medical CorporationHFT150PDF
K2338212024-06-13Fisher & Paykel Healthcare, Ltd.F&P Optiflow Oxygen Kit (AA451J)PDF
K2222922024-05-08Fisher & Paykel HealthcareF&P myAirvo 3PDF
K2319562024-02-07Fisher & Paykel Healthcare, Ltd.F&P Optiflow+ Duet Nasal CannulaPDF
K2305592023-10-26Medline Industries, Inc.Hudson RCI® Disposable Humidifier with 4 PSI PressurPDF
K2238632023-10-13Telesair, Inc.BONHAWA Respiratory HumidifierPDF

16 summaries are archived here for direct download.

Official FDA classification page: BTT
Classification and pathway per current FDA publications. Data from openFDA (CC0).