Hemo-Drop Blood Dispenser, Part Number BMP-HEMODROP, used for preparing blood samples.
The metal cannula of the device either broke and the broken piece left in the blood specimen tube, or slid back into the plastic portion of the device instead of piercing the tube.
US nationwide distribution.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0286-2020