A rod has been installed in his leg.

[tufguy]

John broke his thigh bone in an accident so a rod has been installed in his leg but he doesn't have any problem doing daily chores or squatting down.

Please check my sentences.

 

[Tarheel]

A rod was surgically implanted in his leg.

He's quite mobile. He doesn't have any trouble doing daily chores or things like gardening.