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U.S. Department of Health and Human Services

Class 2 Device Recall Myosa for Kids

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 Class 2 Device Recall Myosa for Kidssee related information
Date Initiated by FirmOctober 09, 2025
Date PostedDecember 18, 2025
Recall Status1 Open3, Classified
Recall NumberZ-0956-2026
Recall Event ID 97890
Product Classification Device, anti-snoring - Product Code LRK
ProductMyosa for Kids KS1 REF MyOSAKS1_Sb/Sp/Mb/Mp/Lb/Lc KS2 REF MyOSAKS2_Sb/Sc/Mb/Mc/Mp/Lb/Lc Myosa for Kids is a mouthguard in 3 different sizes (sm, med, lg) that can be used in children ages 3-15 to address breathing and myofunctional disorders. Catalog Numbers:
Code Information Myosa for Kids KS1 REF MyOSAKS1_Sb/Sp/Mb/Mp/Lb/Lc -S1 Large Blue -S1 Large Clear -S1 Medium Blue -S1 Medium Pink -S1 Small Blue -S1 Small Pink KS2 REF MyOSAKS2_Sb/Sc/Mb/Mc/Mp/Lb/Lc -Stage 2 Large Blue -Stage 2 Large Clear -Stage 2 Medium Blue -Stage 2 Medium Clear -Stage 2 Medium Pink -Stage 2 Small Blue -Stage 2 Small Clear
FEI Number 3005505603
Recalling Firm/
Manufacturer		 Myofunctional Research Company USA
9627 Charles Smith Avenue
Rancho Cucamonga CA 91730
For Additional Information ContactKeah Jenkins
909-587-4940
Manufacturer Reason
for Recall		Due to firm mistakenly distributing product within the U.S. without FDA premarket clearance/approval.
FDA Determined
Cause 2		No Marketing Application
ActionOn 10/09/2025, the firm emailed an "URGENT: Medical Device Recall" letter to customers informing them that products (Myosa for Kids KS1 and Myosa for Kids KS2) were distributed in the United States without the required FDA premarket clearance. Customers are instructed to: 1. Immediately examine their inventory for the affected products. 2. Cease distribution/use of any remaining Myosa KS1 and KS2 devices. 3. Quarantine affected stock to prevent further use. 4. Complete and return the enclosed Response Form within 10 business days, even if customers no longer have any affected product. 5. Return quarantine devices using the instructions provided after receipt of customer response forms For any patient who has initiated treatment with the affected devices or to whom you have not explained the risks associated with these devices, it is requested that you notify them and provide warning s and clinical alternatives as appropriate. For questions and/or assistance - Contact Recall Coordinator at 909-587-4940 or email usa.hq@myoresearch.com
Quantity in Commerce436 devices
DistributionU.S. (nationwide) distribution to states of: Nationwide: AK, AR, CA, CO, FL, GA, HI, IL, KS, KY, LA, MA, MD, MI, MN, NC, NJ, NM, NY, OH, OR, PA, TX, UT, VA, and WA; O.U.S. (foreign) to country of: Australia
Total Product Life CycleTPLC Device Report
1 A record in this database is created when a firm initiates a correction or removal action. The record is updated if the FDA identifies a violation and classifies the action as a recall, and it is updated for a final time when the recall is terminated. Learn more about medical device recalls.
2 Per FDA policy, recall cause determinations are subject to modification up to the point of termination of the recall.
3 The manufacturer has initiated the recall and not all products have been corrected or removed. This record will be updated as the status changes.
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