Eggers, Phillip E.,Eggers, Andrew R.,Eggers, Eric A.,Mayerchek, Mark A.
申请号：
AU2016200039
公开号：
AU2016200039A1
申请日:
2016.01.05
申请国别(地区):
AU
年份:
2016
代理人:
摘要：
#$%^&*AU2016200039A120160128.pdf#####SYSTEM FOR IMPROVED HEMODYNAMIC DETECTION OF CIRCULATORY ANOMALIES ABSTRACT A system for detecting the presence of a right-to-left pulmonary shunt in a patient, comprising the steps: providing an indicator delivery system (468) having an outlet located in a vein of the patient in blood flow communication with the right side of the heart and actuateable to define an anticipated transit time substantially from the commencement of delivery of indicator toward the vein and the arrival of such indicator at a pulmonary location such as the right side of the heart said indicator delivery system (468) being actuateable to cue the injection of a fluorescing biocompatible dye excitable by tissue penetrating excitation radiation to derive fluorescence emission corresponding with the indicator concentration a sensor comprising a photodiode emitter energizable to generate light at the excitation radiation wavelength and a photodetector which is filtered for response substantially only to the fluorescence emission providing a transmissive sensor positionable to sense the presence of at least a portion of the indicator at arterial vasculature of one or of symmetrically paired distal locations of the patient and having one or more outputs corresponding with the instantaneous concentration of indicator at such vasculature providing a monitor/controller having a display and responsive to said actuation to commence timing the anticipated transit time, responsive to a sensor output to display one or more indicator dilution curves to determine the nature of a circulatory anomaly.
