Artificial heart
An artificial heart, also known as a cardiac implant, was a device able to completely replace a heart in case of a major injury. Artificial hearts were more susceptible to weapon blasts, such as those caused by a compressed teryon beam, than the Human heart. 

In 2327, Jean-Luc Picard received an artificial heart after he was stabbed by a Nausicaan during a bar brawl. ()

The procedure of replacing a parthenogenetic cardiac implant was performed conforming to Van Doren's technique and had a mortality rate of 2.4%; any well-equipped medical facility could perform this procedure. Placing a cardiac implant was performed by a medical team of six:

1 surgeon
1 anesthetist
2 nurses
2 medical technicians

If necessary, the surgeon could call for extra medical personnel, as was the case with Picard's surgery. 

Prior to the operation, a neural caliper was used to anesthetize the patient, after which the operation began. The cardiac implant was placed via a mid-line entry. When the operation was finished, the patient had to stay in post-op for at least four hours. ()

In 2365, Picard needed to have it replaced for maintenance reasons, so he traveled to Starbase 515, not wanting the crew to know by having the operation performed aboard the , despite the fact that Doctor Pulaski was more than capable of performing the surgery. After a complication, she was required to perform the surgery anyway. ()

In 2374, Ishka, the mother of Quark and Rom received an artificial heart after suffering a heart attack. ()

In 2399, Picard stated that his artificial heart was made of solid duritanium. ()

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cs:Umělé srdce
de:Künstliches Herz
Medical equipment
Anatomy