Correction: describe event or problem: it was reported that bd¿ glaspak did not work, resulted in delay in treatment.This occurred on 4 separate occasions but the date/time and or patient information is unknown.Investigation summary: zero photos or samples were received in the columbus plant for evaluation therefore failure mode could not be verified and root cause could not be determined.Over a period of more than 10 years, no test result from samples returned due to ineffective anesthesia has ever failed to meet specifications.The causes of ineffective anesthesia have been well documented in clinical literature for many years.Whereas a strong history of testing has supported that drug potency is not the cause, the actual cause may not always be ascertained.Bd has a long history of test results to support that drug potency issues have not been the cause of ineffective anesthesia events reported to bd through the complaint system.As a preventive action, the vendor of the applicable drug component (hospira / pfizer) will be notified of the reported failure mode from the customer.Likewise, the complaint will be entered into the complaint management system and will be tracked & trended for future occurrences and reviewed/investigated through the quality data analysis (qda) process if an adverse trend is identified.A device history record review of all applicable manufacturing records for lot 0001263336 did not identify any issues that may have contributed to the reported failure mode.
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