I’d say this is plausible, but not a huge risk. A healthy individual won’t have trouble either breaking it down or expelling the foreign matter when the flesh heals (like wooden splinters often do).

I’m not an expert, though, and I’d love for one to chime in on this subject!

Great idea! I wish I had something to ask right now. I’ll have to settle for expressing my appreciation for the many incredible books he’s published.