A flexible transcutaneous transformer using amorphous magnetic fiber demonstrates high efficiency (>90% at 20 W) and acceptable temperature rise, showing potential for use in artificial heart systems.
Supports transcutaneous energy transfer development for artificial hearts; leaves open in vivo human validation.
A flexible transcutaneous transformer utilizing amorphous magnetic fiber for an artificial heart system is reported. The transformer can transmit electrical energy of 20 W with an efficiency of over 90%; the primary current density does not greatly depend on the relative displacement of the coils. The temperature rise of the transformer was about 6 degrees C in a phantom test.>
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Matsuki et al. (1990) studied this question.
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