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Prostheses, Heart, Transcutaneously Powered

Definition : Heart prostheses designed for implantation in the chest that include an implantable short-term power source (e.g., a battery). These devices typically consist of a metallic (e.g., titanium) and plastic mechanism with several sealed chambers, a hydraulic pump that creates the force needed for blood circulation, and valves that open and close to let the blood flow from one compartment of the prosthesis to another and then to the circulatory system. The mechanism is electrically connected to other implantable components, including a rechargeable battery that permits limited (e.g., 30 minutes) autonomous functioning of the prosthesis, an electronic controller that monitors and controls the pumping speed, and a coil. Typically, the pumping mechanism is implanted in the chest and is attached to remnants of the left and right atria of the natural heart and to the aorta and pulmonary arteries after removing the heart ventricles. A coil, an electronic control, and a battery are then implanted in the abdomen. The internal battery is recharged by induction across--but without piercing--the skin (i.e., transcutaneously) using a magnetically coupled circuit between the implanted coil and an external coil (a system known as a transcutaneous energy transmission power system). The external coil usually takes the energy from a battery worn by the patient (e.g., attached to the waist). Transcutaneously powered heart prostheses are intended for use as a permanent replacement for the natural heart, although they may be used as a temporary solution ("bridge") until transplantation.

Entry Terms : "Permanent Heart Prostheses" , "Totally Implantable Artificial Hearts" , "Artificial Hearts, Totally Implantable"

UMDC code : 20398

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1-4 of 4 Match(es).


Company Type: Parent

Abiomed (NASDAQ: ABMD) is a pioneer and global leader in healthcare technology and innovation, with a mission of RECOVERING HEARTS AND SAVING LIVES. Abiomed CEO, Chairman, and President, Michael R. Minogue, has focused the company's efforts on developing ground-breaking technologies designed to assist or replace the life-sustaining pumping function of the failing heart.

Dow Kokam

Company Type: Parent

MicroMed Technology Inc

Company Type: Parent

In 1984, Dr. Michael DeBakey and Dr. George Noon performed heart transplant surgery on NASA-Johnson Space Center (JSC) Engineer David Saucier, following a severe heart attack. Six months later, Saucier returned to JSC with the desire to apply spacecraft technology to help people with diseased hearts. As early as 1987, informal meetings began with NASA engineers and Drs. DeBakey and Noon to discuss the design of a low-cost, low-power, implantable ventricular assist device (VAD). Dr. DeBakey instructed the engineers to design a pump that can drain a swimming pool full of water balloons without breaking a single one.

SynCardia Systems Inc

Company Type: Parent

SynCardia Systems, Inc. is a private company formed in 2001 to commercialize the SynCardia temporary Total Artificial Heart.

1-4 of 4 Match(es).


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