Yeah, like what, what is that? Does something burst or break or w- what happens that requires it?

Well, yeah, it's...

I mean, you look at the spine, which is comprised of vertebrae, which are bones.

What separate those bones are the discs, which is a cartilage, you know, piece that has rings and a, a, a nucleus inside.

Well, when the disc breaks down to a point that it blows out and you, and you can't contain that in that space anymore, and it's either in your spinal cord itself or hitting the nerves consistently, that's when surgery is required to maintain function in your leg, your lower body, not even the golf swing, just to be able to walk.

So that's when surgery becomes... necessary.

When you look at disc replacements, you know, you're s- you look at three things with surgery.

Yeah, it's been, it's been awesome.