About This 510(k) Submission
K251691 is an FDA 510(k) clearance for the Unimed Reusable SpO2 Sensors (-08 Series) (U403S-08); Unimed Reusable SpO2 Sensors (-08 Series) (U203S-08); Unimed Reusable SpO2 Sensors (-08 Series) (U103S-08); Unimed Reusable SpO2 Sensors (-08 Series) (U103-08), a Oximeter (Class II — Special Controls, product code DQA), submitted by Unimed Medical Supplies, Inc. (Shenzhen, CN). The FDA issued a Cleared decision on December 1, 2025, 182 days after receiving the submission on June 2, 2025. This device falls under the Anesthesiology review panel. Regulated under 21 CFR 870.2700.