Diagnostic Catheters

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Diagnostic catheters for coronary angiography are classically 4 or 5 Fr catheters. Other than guide catheters they are soft, elastic provide minimal back-up - and therefore less traumatic. Main puprose of These catheters is measurement of pressure and injection of contrast medium - be it selective or semiselectiv - for visualisation of cardiac vasculature, the heart cavities or the large thoracic vessels.

For coronary angiography a wide range of catheter designs is commercially available. While composition and physical characteristics (e.g. torque stability, stiffness, etc) of diagnostic coronary catheters are roughly similar in most designs, the specific curve and tip Formation is the essential Feature. Different curve types represent the multitude of coronary anatomical findings. Finding the suitable catheter for optimal Intubation and selective coronary angiography in each Patient is one of the main challenges in diagnostic coronary angiography.