Product event summary: the device was returned and analyzed.
Visual inspection of the sheath showed that the stopcock was intact with no apparent issues.
The middle of the sheath was kinked.
Air aspiration was re- produced during pressure testing when the test dilator was introduced through the sheath.
The hemostatic valve was leaking, and a torn valve was suspected.
In conclusion, the reported air ingress issue was confirmed through testing.
The device failed the return product inspection test due to a leaking hemostatic valve and shaft kink.
If information is provided in the future, a supplemental report will be issued.
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