Hi TQ,
Yep do have med knowledge.... lucky really as flying jobs so scarce!!
Hope leg behaving itself.... Re tibial plate... It is common ( normal )to leave these in. If there is a problem or clinical reason they can be removed at 12 - 18 months..
Re the airport security question... depends on the sensitivity of the detector... some do, some dont go off... Is the same with hip replacements..
C