1.   Abiomed officials said they expected to meet their goal of implanting AbioCor hearts in nine more patients at six centers by the middle of this year.

2.   So far, five AbioCor artificial hearts have been implanted in patients suffering from end-stage heart failure.

3.   The artificial heart will be implanted in patients at risk of death.

4.   The Boston surgeons are among five American medical teams authorized to implant the heart.

5.   The first self-contained artificial heart was implanted in Louisville, Ky., in early June.

6.   The hospitals are allowed to implant one heart, and it is unclear which hospital will get that priviledge.

7.   His widow was pleased Tuesday upon hearing there had been a completely contained, mechanical heart implanted in Kentucky.

8.   Less advanced mechanical hearts have been implanted in patients in the past, but they were all attached to outside electrical or pumping power consoles.