Results: based upon evaluation of user facility information & the returned sample, 213 is based upon evaluation of retention samples from representative lots conclusions: based upon evaluation of user facility information & the returned sample, 71 is based upon evaluation of retention samples from representative lots the involved device was returned to the manufacturing facility for evaluated.The actual sample was separated into two parts.The collar with safety sheath was disconnected from the needle assembly.Visual inspection was noted to have deep scratches and damages found in hub steps and ribs.The hub showed signs that it had contact with a sharp object.There were deep scratches and damages under 21 x magnifications.It has a line scratch and showing a signs that undergone extreme force.There are scratches observed in the hub and collar's steps, hub ribs and hub flange.The damages on the inner collar steps shows indications that it might have undergone screwing or twisting under 21 x magnifications.Samples from representative lots were also visually inspected.The collar, safety sheath and the sheath tooth were free from molding related defects and damages or deformations that could affect activation of the safety device during use.The safety sheath is properly attached on the assembled needle and the collar is fully seated on the hub.These samples were also subjected to collar removal test.This is an evaluation to verify the force required to detach the collar from the needle hub.All the samples conforms to the specification, an average of 33 n is needed to remove the collar from the needle hub.This shows that the product undergone proper collar assembly and cannot be easily detached.Lot history file revealed no non-conformance related to damage on collar and hub.A review of the complaint files confirmed that this type of issue has not been previously reported.Although the exact cause cannot be determined based on the available information, there is no evidence that this event was related to a device defect or malfunction.The appearance of the involved sample showed that it had undergone contact with a sharp object and excessive force that could have resulted in the detached collar.All available information has been placed on file in quality assurance for appropriate tracking, trending and follow-up.(b)(4).
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