Intra-aortic balloon pump apparatus and method of using same

Details Intra-aortic balloon pump apparatus and method of using same Intra-aortic balloon pump apparatus and method of using same

1986-03-28

1987-09-08

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

128696, A61M 2900

Patent

active

046921486

ABSTRACT:
An apparatus and method for placing an aortic balloon catheter is provided wherein a pair of spaced electrodes on the distal end of the catheter assembly are disposed inside a thoracic aorta near a patient's heart and are used to sense R-waves and P-waves in an ECG signal. The electrodes are moved to an ideal intra-aortic position where the R-waves and P-waves are sensed to have the same magnitude. The P-wave, occurring earlier than the R-wave, serves to accurately predict theoccurrence of the R-wave. The balloon of the catheter is deflated upon sensing the R-wave.

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