The Physics of Guiding Catheter
The Physics of Guiding Catheter
The Physics of Guiding Catheter
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Summary <strong>of</strong> <strong>Physics</strong>• Backup force <strong>of</strong> guide catheter does notdepend on approach site but on - - -• Size <strong>of</strong> guide catheter (f)• <strong>Catheter</strong> shape• Angle between the catheter and the reverse side <strong>of</strong>the aorta (θ(and θ’)• Attachment area on the reverse size <strong>of</strong> the aorta(λ)fcosθ ’+λFmax = ―――――cosθ