Does the procedure to insert the filter hurt much?

My surgeon will be inserting a filter to prevent blood clots from going up to my lungs. Apparently they insert it by the collarbone and then push it through your veins until it comes to rest in a vein that lies near your spine. It is to be done the day before surgery, with just some local anesthetic. This procedure scares me more than the surgery itself! Has anyone had this done? Was it awful? Was it painful? Is it possible to have it done while you are under, right before your surgery, instead of when you are fully conscious the day before? Help!

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