MAUDE Adverse Event Report: MEDELA LLC PUMP IN STYLE MANAGED MARKETS EN FR ES (YELLOWFIN); PUMP, BREAST, POWERED

Model Number	101041360
Medical Device Problem Code	Suction Problem (2170)
Health Effect - Clinical Code	Inflammation (1932)
Date of Event	03/05/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Customer service conducted troubleshooting with the customer including verifying the customer washed her parts after each use and there was no milk backup.The customer was sent a new breast pump and was asked to return her pump for testing/analyzing.The customer was contacted by a complaint handler on multiple occasions, to get additional information, with no response as of the date of this report.The pump was evaluated on (b)(6) 2025, it was found in the evaluation that the pump had low suction when tested with the customer's pumping kit and when tested with a medela lab kit.There was residue found in the aggregate and the pump cycles are out of specifications in minimum expression.Based on the results of our internal investigation (reference number (b)(4)), it cannot be definitively concluded that the pump caused or contributed to the customer¿s mastitis.The estimated incidence of mastitis in lactating women, whether using a breast pump or not, according to published clinical literature can be as high as 33%.In fact, clinical guidelines suggest the use of a breast pump to facilitate withdrawal of breast milk during bouts of mastitis.The complaint rate of mastitis across all reported failures, across all medela breast pumps, is (b)(4) for the period of january 2013 to august 2017.Mastitis is usually a benign, self-limiting infection with few consequences for the suckling infant.The risk of mastitis is higher among women who have breastfed previously, especially those with a history of mastitis.Riordan & wambach, 4th ed.P.294: breastfeeding and human lactation.However, in this case, the mother¿s mastitis required prompt medical attention for pain relief and prescription antibiotics to avoid progression to overwhelming sepsis.
Event or Problem Description
On (b)(6) 2025, the customer alleged to medela llc that she was experiencing suction issues with her pump in style max flow breast pump.She additionally reported that she had mastitis and went to her doctor and was prescribed an antibiotic.

• Brand Name: PUMP IN STYLE MANAGED MARKETS EN FR ES (YELLOWFIN)
• Common Device Name: PUMP, BREAST, POWERED
• Manufacturer (Section D): MEDELA LLC; 1101 corporate dr; mchenry IL 60050
• Manufacturer (Section G): MEDELA LLC; 1101 corporate dr; mchenry IL 60050
• Manufacturer Contact: tom cuzman ; 1101 corporate dr; mchenry, IL 60050 ; 8004358316
• MDR Report Key: 21904184
• Report Number: 1419937-2025-00004
• Device Sequence Number: 4059504
• Product Code: HGX
• UDI-Device Identifier: 00020451401447
• UDI-Public: 00020451401447
• Combination Product (Y/N): N
• Initial Reporter State: NC
• Initial Reporter Country: US
• PMA/510(K) Number: K200508
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 04/24/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Lay User/Patient
• Device Model Number: 101041360
• Device Catalogue Number: 101041360
• Device Lot Number: 0000721463
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/10/2025
• Distributor Facility Aware Date: 03/26/2025
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/26/2025
• Initial Report FDA Received Date: 04/24/2025
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 01/02/2025
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Female