[grobdriver]

Each sponge is also tagged with a radiopaque marker so it can be easily spotted using X-ray and removed at a later date

Which makes it suboptimal for a time when the next hospital visit in unknown.

[BeauBo]

“Each sponge is also tagged with a radiopaque marker so it can be easily spotted using X-ray”

RadiOPAQUE (blocks X-rays)

Not RadioACTIVE