Verfahren und Vorrichtung zur kontinuierlichen Erfassung von Blutparametern

摘要

In the continuous detection of blood parameters such as blood gas or pH values by means of a catheter DK which has a sensor ST at the free end and which is introduced into an artery RA, measurement errors due to low blood flow rates are avoided by enforcing blood flow around the sensor by inducing blood flow through the catheter to a further catheter in a vein, if necessary using a pump P. The sensor cable SK may extend through one lumen of a double lumen catheter and a pressure sensor may be connected to the other lumen. Branches Y1 and Y3 may be used for the introduction of anticoagulant and rinsing solution. <IMAGE>