Injection channel for a blood vessel catheter
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United States of America Patent
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Dec 10, 2002
Grant Date -
N/A
app pub date -
Feb 29, 2000
filing date -
Mar 6, 1999
priority date (Note) -
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Abstract
The present invention is directed to an apparatus and method for injecting an injectate fluid into a blood vessel of a patient for carrying out thermodilution or dye-dilution measurements in order to determine hemodynamic parameters of the patient. The apparatus includes sensing means for sensing a change of pressure and/or flow rate and/or temperature inside the injection channel, and a computer coupled to the sensing means for determining the time instants of start and finish of the injection process.
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