K253479 is an FDA 510(k) clearance for the Optiflow Switch+ Filtered Nasal Interface with CO2 Sampling (AA042J). This device is classified as a Humidifier, Respiratory Gas, (direct Patient Interface) (Class II - Special Controls, product code BTT).
Submitted by Fisher &Paykel Healthcare , Ltd. (Auckland, NZ). The FDA issued a Cleared decision on December 19, 2025, 66 days after receiving the submission on October 14, 2025.
This device falls under the Anesthesiology FDA review panel. Regulated under 21 CFR 868.5450.
| 510(k) Number | K253479 FDA.gov |
| FDA Decision | Cleared Substantially Equivalent - Traditional 510(k) (SESE) |
| Date Received | October 14, 2025 |
| Decision Date | December 19, 2025 |
| Days to Decision | 66 days |
| Submission Type | Special |
| Review Panel | Anesthesiology (AN) |
| Summary | Summary PDF |
| Product Code | BTT — Humidifier, Respiratory Gas, (direct Patient Interface) |
| Device Class | Class II - Special Controls |
| CFR Regulation | 21 CFR 868.5450 |