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Complaint details: surgeon reported that while pulling the dilator tubes up above the pubic bone, the tube detached from the plastic sheath.Complaint investigation: reviewed the lot history file for lot #q05055.The file includes results from a junction strenght test, which measures the break force between the dilator tube and the mesh sleeve.The acceptance criterion for this test ia minimum break force of 6.3 pound-force (lbf).All tested units passed, with results ranging from 13.8 lbf to 22.3 lbf.Additionally, a mesh strengh test was performed, which measures the break force of the mesh alone (with no sleeve attached).The acceptance criterion for this test is a minimum of 6.5 lbf.All tested units met this requirement, with results ranging from 13.5 lbf to 19.9 lbf.Investigation assesment is that the tube may have been pulled with excessive force.
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