What structures and properties should an artificial heart have?

The AbioCor, developed by Abiomed, is a very sophisticated medical device, but the core machine of the device is the hydraulic pump that shuttles hydraulic fluid from side to side. To understand how it works, let's look at the various components of the system:
* Hydraulic pump - The basic theory with this device is similar to the hydraulic pumps used in heavy equipment. Force to be precise applied at one point is transmitted to another point using an incompressible fluid. A gear inside the pump spins at 10,000 revolutions per minute (rpm) to create pressure.
* Porting valve - This valve opens and closes to tolerate the hydraulic fluid flow from one side of the artificial heart to the other. When the fluid moves to the right, blood gets pumped to the lungs through an artificial ventricle. When the fluid moves to the left, blood gets pumped to the rest of the body.
* Wireless energy-transfer system - Also call the Transcutaneous Energy Transfer (TET), this system consists of two coils, one internal and one external, that transmit power via magnetic force from an external battery across the skin without piercing the surface. The internal coil receive the power and sends it to the internal battery and controller device.
* Internal battery - A rechargeable battery is implanted inside the patient's belly. This gives a patient 30 to 40 minutes to perform definite activities, such as showering, while disconnected from the main battery pack.
* External mobile - This battery is worn on a Velcro-belt pack around the patient's waist. Each rechargeable battery offers nearly four to five hours of power.
* Controller - This small electronic device is implanted in the patient's abdominal wall. It monitors and controls the pumping speed of the heart.


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