About This 510(k) Submission
K250931 is an FDA 510(k) clearance for the Unimed Reusable SpO2 Sensors (-117 and -121 Series) (U403-117); Unimed Reusable SpO2 Sensors (-117 and -121 Series) (U103-117); Unimed Reusable SpO2 Sensors (-117 and -121 Series) (U410-121); Unimed Reusable SpO2 Sensors (-117 and -121 Series) (U110-121), a Oximeter (Class II — Special Controls, product code DQA), submitted by Unimed Medical Supplies, Inc. (Shenzhen, CN). The FDA issued a Cleared decision on August 13, 2025, 138 days after receiving the submission on March 28, 2025. This device falls under the Anesthesiology review panel. Regulated under 21 CFR 870.2700.