Continuous cardiac output monitor

Details Continuous cardiac output monitor Continuous cardiac output monitor

1996-04-30

1998-03-03

Getzow, Scott

Surgery

Truss

Pad

12866203, A61B 1000

Patent

active

057224153

ABSTRACT:
A device for continuously monitoring the output of a heart in a surgical patient includes a probe head attached at one end to a catheter adapted to be inserted into the patient. The probe head includes a probe and a pair of flexible flat projections extending outwardly from opposite sides of the probe for securing the probe head in the transverse sinus of the patient. At least one transducer is positioned in the probe for detecting a condition of the heart. A hollow needle is adapted for receiving the probe head prior to its installation in the patient, such that the probe head can be installed in the patient immediately after mediansternotomy and division of the patient's pericardium by inserting the needle through the patient's chest wall. A method for continuously monitoring the condition of the heart in a surgical patient includes the steps of providing a probe head responsive to heart function; positioning the probe head in the transverse sinus of the patient proximal to the aortic valve and behind the ascending aorta; and displaying an output of the probe head reflective of the heart condition.

REFERENCES:
patent: 3216424 (1965-11-01), Chardack
patent: 4671295 (1987-06-01), Abrams et al.
patent: 4722347 (1988-02-01), Abrams et al.
patent: 5205292 (1993-04-01), Czar et al.
patent: 5284146 (1994-02-01), Czar et al.
patent: 5469853 (1995-11-01), Law et al.
"New. Continuous Cardiac Output. Now.," Product Brochure, 2 pages, Apr. 1993.
"XEMEX.RTM. Thermodilution and Wedge Pressure Catheters.," Product Brochure 2 pages, undated.

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