Complete medical system and method for image support

A medical system configured to provide image support for navigation of an instrument in a hollow organ section surrounded by at least one ring-shaped muscle or tissue structure, the medical system comprising:

• a canulation instrument configured to navigate in a hollow organ of a patient, the canulation instrument comprising an intraluminal imaging device;
• an image processing unit configured to detect ring-shaped or directional muscle or tissue fibers surrounding the hollow organ section and/or an alignment of the muscle or the tissue fibers of the at least one ring-shaped muscle or the tissue structure of the hollow organ section based on at least one image;
• a positioning unit configured to determine a current position and/or an orientation of the canulation instrument and/or a tip of the canulation instrument;
• a calculation unit configured to determine a model and/or a visualization of the at least one ring-shaped muscle or the tissue structure of the hollow organ section relative to the current position and/or orientation of the canulation instrument;
• and
• a provision unit configured to provide the model or the visualization.