A system and method for detecting and mitigating a suction condition are disclosed. The
method may include estimating a flow waveform of the pump, identifying pulses in the flow …

A centrifugal blood pump apparatus includes a plurality of permanent magnets (17) in an
impeller (10) in a blood chamber (7), a plurality of coils (20) in a motor chamber (8), and a …

This centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a
first permanent magnet pro vided in one Surface of the impeller, and a second permanent …

This centrifugal blood pump apparatus includes an impeller (10) provided in a blood
chamber (7), and a plurality of coils (20) provided in a motor chamber (8) for driving the …

Related US Application Data continuation of application No. 1 1/417.905, filed on May 3,
2006, now Pat. No. 7,614,997, which is a continuation of application No. 1 1/121,352, filed …

A blood pump system is implantable in a patient for ventricular support. A pumping chamber
has an inlet for receiving blood from a ventricle of the patient. An impeller is received in the …

A method for synchronizing operation of a heart assist pump device to a patient's cardiac
cycle includes obtaining a signal from a motor of a heart assist pump device and filtering the …

(57) ABSTRACT A centrifugal blood pump apparatus includes an impeller provided in a
blood chamber, a permanent magnet provided in one surface of the impeller, a permanent …

A centrifugal pump system having an impeller rotating with first and second magnetic
structures on opposite surfaces. A levitation magnetic structure is disposed at a first end of a …

A blood pump system includes a pump housing and an impeller for rotating in a pump
chamber within the housing. The impeller has a first side and a second side opposite the first …