After receiving this complaint, we searched for other complaints and we found one other complaint regarding the lot number 9226766 but not on the same defect for a deflated balloon ((b)(4)).Checking the quality databases revealed one non-conformity in relation to the described defect and a corrective and preventive action: nc (b)(4): "pb balloons (bulles + agglutinés)" opened in 16 january 2023.For this nc, the used of clumped balloons should be responsible of some weakness on the balloon and being responsible of bursting.Monitoring capa-000152: "balloon issues on folysil and silicone prostatic catheters".The trending for balloon bursting on folysil is specifically monitored.A similar case study was performed based on same item number, same defect over last four year, 3 similar cases were found ((b)(4)).On 4th april, we received 5 sealed samples and 4 used samples.One of the 4 unsealed samples was burst without missing part.After decontamination of unsealed samples three of the samples where inflated with 15ml of water and no burst was observed.The five sealed samples where tested also by inflating them with 15ml of water and were conformed (see sample's investigation).On 6th june, we received the documentary investigation report from our subcontractor concluding that:" the probably root cause of this issue was a problem with balloon¿s raw material".
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