A Compact and Noise Free Electrohydraulic Total Artificial Heart

New Polyurethane Prostheses for Substitution of Cardiac Valve Disease and Remodeling of the Right Ventricle in Congenital Heart Malformations

“…In vivo conditions, the longest period after implantation was 399 days, performing euthanasia due to the excessive growth of the animal. [13] In summary, these data demonstrate the good hemodynamic performance behavior of the implanted SPU prosthesis right side of the heart, in particular lack of a significant pressure gradient after 1 year of implantation. This study confirms the good biocompatibility of SPU (low thrombogenicity in animals without anticoagulant therapy) and short-term durability of such compounds without the use of anti-calcification in a model of accelerated mineralization.…”

“…The SPU prostheses have shown a useful life of over 130 million cycles in real time and 420 million cycles at accelerated conditions without failure of the SPU [13]. In vivo conditions, the longest period after implantation was 399 days, performing euthanasia due to the excessive growth of the animal.…”

“…Such valves were implanted experimentally, replacing heart valves and satisfactory results in long-term left ventricular assistance devices in between the apex of the left ventricle and the aorta. [13] Furthermore, the replacement valve is used in a next generation of total artificial heart implants. [14] However, the intermediate result of such artificial valves, when the prosthesis is implanted on the right side of the heart, exposed to low pressure and low levels of oxygen saturation, the prosthesis would have increased durability.…”

Treadmill Exercise in Calves Implanted with the AbioCor Replacement Heart

“…10 The implantable components consist of a thoracic unit that contains an energy converter with left and right ventricles, a controller, a battery, and a secondary transcutaneous energy transmission coil. Dacron atrial cuffs and vascular grafts are anastomosed to the native atrial remnants and the great vessels, respectively, and then attached to the inflow ports and outflow conduits of the blood pump by quick connectors.…”

Ενεργειακή Διερεύνηση Και Προσομοίωση Της Μηχανικής Υποστήριξης Της Ανεπαρκούσης Καρδιάς Με Αποδοτικό Σύστημα

“…Η καταναλισκόμενη ισχύς του VAD 3 ης γενιάς HeartWare είναι περίπου 4,5watt 388 . Η τεχνητή καρδιά Abiocor 389 καταναλώνει έως 30watt δημιουργώντας παροχή 10l/min. Για 6l/min, που είναι μια πιο συνηθισμένη παροχή, οι ενεργειακές απαιτήσεις είναι περίπου 18watt.…”