(b)(4).Two pictures of fg 30228 adaptor,028 neb,non-ster,intl were received for analysis.During the visual inspection it was observed the sample in its original bag and the insert that shows the batch number 74j1501172.No other issues were found.A dimensional and functional inspection of the product involved in the complaint could not be conducted since the product was not returned.According to the batch number 74j1501172 provided by the customer the finished good is 30228 adaptor, 028 neb, non-ster, intl.The device history record of the product 30228 batch number 74j1501172 has been reviewed and no issues or discrepancies were found which could potentially relate to this complaint.No nonconformance reports were originated for the lot in question that can be associated to the complaint reported.Dhr shows that the product was assembled and inspected according to our specifications.During the visual inspection of the pictures no issues or discrepancies were found than can lead to the condition reported by the customer.However, what the customer reports as "the hospital was not able to connect the flowmeter to the wall oxygen supply" is a similar issue reported on other customer complaints related to component p/n mp-0321.Regarding other customer complaints due to the same issue, a capa file (b)(4) was opened.Other remarks: according to the capa investigation so far the root cause for the issue was the positioning of the thread lead and the softness of the new resin used for the snap adaptor.Additionally, the personnel of the assembly line were notified and made aware of this issue.Customer complaint cannot be confirmed due to the lack of device sample to perform a proper investigation and determine the root cause.If the device sample becomes available this investigation will be updated with the evaluation results.
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(b)(4).The sample was returned for evaluation.A visual exam was performed and it was observed that the internal threads of the adaptor were damaged.The damage on the internal thread of the component was not acceptable according to current specifications.Functional testing was performed; however, the oxygen entrainment test could not be performed as the sample could not be connected correctly to the oxygen supply due to the damage on the internal thread.Based on the investigation performed, the reported complaint was confirmed.The root cause for the issue was found to be the positioning of the thread lead and the softness of the new resin used for the snap adaptor.A capa was opened to address this issue.Other remarks:.
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