The Nimbus Hemopump: a new left ventricular assist device that combines myocardial protection with circulatory support.

M. R. Mooney, J. F. Mooney, R. A. Van Tassel, I. F. Goldenberg, J. D. Madison, K. E. Johnson, T. Von Ruedon, L. D. Joyce, R. W. Emery, Marc R Pritzker

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Recent advances in hemodynamic support can allow patients at high risk for cardiovascular collapse to become candidates for coronary interventions. A new axial blood flow pump has recently been developed and made available for clinical testing. This intravascular pump utilizes an Archimedes screw pump rotating at 25,000 rpms to provide a flow of 2 to 3.5 liters/minute. The 7 mm inlet cannula of the cable driven pump is delivered across the aortic valve. The pump discharges blood into the descending aorta. This design does not require a membrane oxygenator. This pump would be expected to: 1) provide circulatory support irrespective of heart arrhythmias; 2) provide left ventricular unloading and 3) lack the fluid and coagulation abnormalities of prolonged cardiopulmonary bypass. This unique device offers great promise to the interventional cardiologist.

Original languageEnglish (US)
Pages (from-to)169-173
Number of pages5
JournalThe Journal of invasive cardiology
Volume2
Issue number4
StatePublished - Jul 1 1990

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