Methods and systems for measuring cardiac parameters

Surgery – Cardiac augmentation – With condition responsive means

Reexamination Certificate

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C600S508000, C600S587000, C600S561000, C600S523000

Reexamination Certificate

active

10764127

ABSTRACT:
Methods and systems of the present invention provide for measurement of various cardiac parameters. Methods generally involve causing a change in volume and/or pressure in a heart chamber, measuring the change, and calculating at least one cardiac parameter based on the change. Systems typically include at least one actuator, at least one sensor, and a catheter or other device for positioning at least partially in a heart chamber. In some embodiments, the system may also include a controller, such as a computer or other processor, an external actuator, an external sensor, and/or an ECG device. Methods and systems of the invention may be used to more accurately diagnose cardiac conditions in order to make more informed treatment decisions.

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