Method and system for detecting ventricular collapse

Details Method and system for detecting ventricular collapse Method and system for detecting ventricular collapse

2007-02-13

2007-02-13

Pezzuto, Robert E. (Department: 3766)

Surgery

Cardiac augmentation

With condition responsive means

C600S016000, C600S504000, C600S505000, C600S508000, C623S003100, C604S006110, C604S067000

Reexamination Certificate

active

10501275

ABSTRACT:
A pump system includes an implantable pump including a motor having a rotor and a stator. The stator includes a plurality of stator windings, and a motor controller is coupled to the motor to energize the windings so as cause the rotor to turn. A time-based system parameter of the pump is sampled and the system parameter is analyzed to calculate a suction probability index that provides an indication of the imminence of ventricle collapse.

REFERENCES:
patent: 4499534 (1985-02-01), Schnetzka et al.
patent: 5888242 (1999-03-01), Antaki et al.
patent: 6183412 (2001-02-01), Benkowski et al.
patent: 6991595 (2006-01-01), Burke et al.

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