HeartMate III: Pump design for a centrifugal LVAD with a magnetically levitated rotor

被引：58
|
作者：
Bourque, K
Gernes, DB
Loree, HM
Richardson, JS
Poirier, VL
Barletta, N
Fleischli, A
Foiera, G
Gempp, TM
Schoeb, R
Litwak, KN
Akimoto, T
Watach, MJ
Litwak, P
机构：
[1] Thoratec Corp Inc, Woburn, MA 01888 USA
[2] Levitronix GmbH, Zurich, Switzerland
[3] Univ Pittsburgh, Pittsburgh, PA USA
来源：
ASAIO JOURNAL | 2001年 / 47卷 / 04期
关键词：
D O I：
10.1097/00002480-200107000-00020
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A long-term, compact left ventricular assist device (LVAD), the HeartMate ill, has been designed and fabricated, featuring a centrifugal pump with a magnetically levitated rotor. The pump has been optimized by in vitro testing to achieve a design point of 7 L/min against 135 mm Hg at high hydrodynamic efficiency (30%) and to be capable of up to 10 L/min under such a load. Furthermore, the pump has demonstrated no mechanical failures, low hemolysis (4-10 mg/dl plasma free Hb), and low thrombogenicity during six (40, 27, 59, 42, 27, and 49-day) in vivo bovine studies.
引用
收藏
页码：401 / 405
页数：5
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