Investigation: received one (1) iag used unit from an unknown lot number, the unit consisted of a needle/barrel assembly and a needle cover.The unit was received with the needle entirely out of the safety barrel and the white button was not pressed, there was no damage observed to the spring, needle hub or grip and there were no missing components.Traces of blood were visible in the needle hub.Preceded to perform the functional test by pushing the white button, the needle did no retract and the button could not be pushed.Observed there were traces of cured adhesive in between the white button and the grip of the assembly.The defect of needle retraction failure as stated in the subject of the pir was confirmed.Traces of cured adhesive in between the white button and the grip of the assembly prevented the white button from being depressed therefore, the needle did not retract.The cured adhesive observed in between the white button and the grip of the assembly was physical evidence to confirm and support the manufacturing process related issues for the defect.
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