Then we fit her with a prosthesis.

The heart has four valves.

These are the four valves of the heart.

Mary has a prosthetic arm.

The cylinder head contains 24 valves (4 valves per cylinder), and uses a dual overhead camshaft setup.

There are two key safety valves.

Tom has a prosthetic leg.

I see you're wearing a bit of ivory yourself, sir.

It is rated at in the city and on the highway.

It's got a flap that's the invention.

I've drawn the pulmonary valve as being open, but is that really the case?

The state of the art is what we call myoelectric prostheses.

They keep the valve from flipping backwards.

Sheila Nirenberg A prosthetic eye to treat blindness

This is a really basic, basic prosthetic limb under here.

So, I decided we've got to do this.

So it's intuitive, and it works pretty well.

That must mean that the other two valves just opened up. The tricuspid and mitral valve just opened. You can assume that, right?

Shortly after the operation, he was fitted for a prosthesis.

I'm still using that old technology with a bicycle cable on his right side.

The SOHC versions have 2 valves per cylinder and the DOHC versions have 4 valves per cylinder each cam lobe moves only one valve.

Atrioventricular valves are the two valves between the atria and the ventricles.

Here's a new one.

Okay, so after your amputation, you healed up. And you've got one of these conventional arms.

And it's going to be completely self contained including all its power.

The situation would have been even worse had this safety valve not been in place

In the early 1990 s, when California had a more severe recession, people sought jobs in neighboring states. Labor migration operated as a safety valve against even worse unemployment.

Labor migration operated as a safety valve against even worse unemployment.

The original Schrader valve design was patented in the United States in 1893.

HomePure can only be installed as countertop unit by using a Diverter Valve.

He's had that arm for about 20 months, so he's pretty good with it.

That's Claudia, and that was the first time she got to feel sensation through her prosthetic.

I want to say Thanks for the trip to Afghanistan and for my prosthesis!

So this is what we've been working on, and this is what our prosthetic does.

And in fact, it feels even heavier, because it's not glued on the same.

Rock salt and other chemical de icers used in the winter are especially damaging for the brass components in the Schrader valve.

You can see two of the leaflets of the aortic valve working there. Up into the ascending aorta.

I then thought it would be years before we'd be able to make it really, really useful.

Safety Due to clear information the absence of a mandatory vacuum valve will be avoided.

I had to hook it up to a computer, so I couldn't just train it anywhere.

A new development is Schrader valve stems with integrated transmitters for tire pressure monitoring systems (TPMS).

There's a limb prosthetic up here, similar actually one on the soldier that's come back from Iraq.

Also one of the physical therapists reported that Mahmoud could be provided with a leg, but not immediately.

You see him with his original device on the left there after eight months of use, and on the right, it is two months.

I was talking to one of them, and he was really liking this arm it's way, way, way better than a plastic stick with a hook on it but there's nobody in this room that would rather have that than the one you got.