Marcus Döring's cancer therapy: central venous catheter

There are two main places where a central venous catheter is typically inserted if it is for a chemotherapy: into the neck or into the collarbone.
The neck location hurts more when the catheter is being laid but has less possible side effects. As the collarbone location can effect the lungs I went for a neck catheter.
The tube of this type of catheter is normally pushed forward into the vein in direction of the heart for about 10-15 cm. It will not reach into the heart, nor into the atrium. (The maximum length will be determined in advance and the installation will always be additionally checked by x-ray afterwards.) Due to the small size and the flexibility of the plastic part of the catheters you do not feel that there is something inserted into your body.

Picture taken on the day when the catheter was laid.

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