The returned sample consisted in 1 used uvc catheter.
The sample came inside a generic plastic bag.
During visual inspection, the sample revealed sign of use (rest of blood).
Under water test was performed and a leak below the strain relief could be identified in the catheter, however the origin of the leak could not be observed with a naked eye.
A magnified picture was taken and the sample revealed a cut below the strain relief.
The complaint sample investigation concluded that this is not related to the manufacturing process.
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