Radial Artery Catheterization Set, 1) NA-04550-1A & 2) NA-04550-X1A, device permits access to the peripheral arterial circulation or to other small vessels.
Needle supplier indicated the presence of loose polypropylene foreign matter above release specification.
...
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0486-2018