No microphone is immune from thumps and bumps, and I hope that the OP's meetings aren't as active as a theater production; I suggested PZM because it should better handle the acoustics of meeting room than the current mic.

For example, one like this: http://youtu.be/xjO_FM3Gej0

And don't forget these $10,000 directional ethernet cables to improve network performance... http://www.audiovisualonline.c...

What you are looking for is a "boundary microphone", also known as a "Pressure Zone Mic (PZM)"

If the joystick replaces the gearshift, Lefthanders can sit on the Right Side of the car. It'll be a little tricky paying tolls though....

I would think in most cases you would suffer an earlier even death by *not* performing said surgery...