K222311 is an FDA 510(k) clearance for the CIRCA MATRIX12 M Esophageal Temperature Probe and Temperature Monitoring System. This device is classified as a Continuous Measurement Thermometer (Class II - Special Controls, product code FLL).
Submitted by Circa Scientific, Inc. (Englewood, US). The FDA issued a Cleared decision on May 25, 2023, 297 days after receiving the submission on August 1, 2022.
This device falls under the Cardiovascular FDA review panel. Regulated under 21 CFR 880.2910. A Continuous Measurement Thermometer Is A Clinical Electronic Thermometer Indicated To Measure The Body Or Skin Temperature Of A Person Continuously Or In Specified Intervals. Under This Regulation, This Product Code Represents Non-exempt Devices. For More Information, See 90 Fr 25889, Available At Https://www.govinfo.gov/content/pkg/fr-2025-06-18/pdf/2025-11207.pdf..
| 510(k) Number | K222311 FDA.gov |
| FDA Decision | Cleared Substantially Equivalent - Traditional 510(k) (SESE) |
| Date Received | August 01, 2022 |
| Decision Date | May 25, 2023 |
| Days to Decision | 297 days |
| Submission Type | Traditional |
| Review Panel | Cardiovascular (CV) |
| Summary | Summary PDF |
| Product Code | FLL - Continuous Measurement Thermometer |
| Device Class | Class II - Special Controls |
| CFR Regulation | 21 CFR 880.2910 |
| Definition | A Continuous Measurement Thermometer Is A Clinical Electronic Thermometer Indicated To Measure The Body Or Skin Temperature Of A Person Continuously Or In Specified Intervals. Under This Regulation, This Product Code Represents Non-exempt Devices. For More Information, See 90 Fr 25889, Available At Https://www.govinfo.gov/content/pkg/fr-2025-06-18/pdf/2025-11207.pdf. |