The following fields were updated due to additional information: d10: device available for eval yes, d10: returned to manufacturer on: 08-may-2023.H6: investigation summary customer returned four 32ga x 4mm pen needles unopened, with the tear drop label in place.It was reported by the consumer that " the patient end needle bends during injection.Non patient end needle bends during injection.Bruises at the injection site.Also reported that it is difficult to depress the pen.Functionality test using the pen injector was performed on the four returned needles and no issues , or needle bending were observed.The returned samples were inspected to ensure that using them was as least harmful as intended.The outer diameters of these needles were measured, the results of which are featured below: 1.0.0094 in; 2.0.00935 in; 3.0.00945 in; 4.0.00920 in.All of the needles were measured within acceptable outer diameters for canula 32g tw : 0.0090¿ ¿ 0.0095.¿ the integrity of needle point was inspected using magnification and no defects were found.No debris was found at the tip of the needle.Flour was applied to the needle's cannulas to ensure that lubricant was present.Sufficient lubricant was found on all samples.No damage to the needles of any kind was observed and all functioned as intended.Hence, the alleged issue could not be confirmed.A lot history review was carried out and no related non conformances were raised in association with this packaged lot concluding all inspections were performed as per the applicable operations and met qc specifications.Based on the samples received, embecta was able not to confirm the customer¿s indicated issue.The root cause cannot be determined since the issue was not confirmed.
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