Buch, Englisch, 140 Seiten, Format (B × H): 210 mm x 297 mm, Gewicht: 440 g
Valves, Polyurethane, and the Relentless Mechanical Pumping in Extreme Cardiovascular Surgery
Buch, Englisch, 140 Seiten, Format (B × H): 210 mm x 297 mm, Gewicht: 440 g
ISBN: 978-3-565-38565-2
Verlag: epubli
Replacing the human heart with a machine is one of the most audacious engineering challenges in medical history. The heart is not just a muscle; it is an impossibly durable, self-regulating pump that must beat 100,000 times a day, every day, without a single pause for maintenance. Designing a mechanical device to replicate this flawless fluid dynamic without destroying the blood itself took decades of trial, error, and biomechanical brilliance.
The total artificial heart replaces the failing organic ventricles with dual pneumatic chambers made from specialized, bio-compatible polyurethane. External compressors drive pulses of air through tubes implanted in the patient’s chest, expanding and contracting internal diaphragms to force blood through mechanical titanium valves. The greatest hurdle was engineering a synthetic surface smooth enough to prevent the blood from clotting upon contact, a microscopic perfection that saves the patient from catastrophic strokes.
This technical text explores the intersection of pneumatics and extreme cardiovascular surgery. You will dissect the fluid dynamics of non-pulsatile flow, the grueling history of early bionic implants, and the staggering battery requirements keeping patients alive.
Witness the ultimate triumph of biomedical engineering. Learn how titanium, plastic, and compressed air were successfully fused to conquer the rhythm of human mortality.
