He knows me so well.

tro·car (trō'kär')
Function: noun
: a sharp-pointed surgical instrument fitted with a cannula and used especially to insert the cannula into a body cavity as a drainage outlet

Used in autopsies. You can get minatures in sterling silver, as pendants.

EDIT: Ohdeargod, they have one-pound anatomically correct human hearts in solid milk chocolate. And me at the wrong end of the year for Valentine's Day.