The present invention relates to a catheter comprising a balloon, wherein said catheter comprises the following: a dilatation body and a catheter shaft which comprises a proximal and a distal end； the catheter shaft additionally comprising a fluid lumen by means of which a fluid can be fed to said dilatation body. The dilatation body is made up of at least three balloon segments which are arranged immediately adjacently to one another and one being the other on said catheter shaft, and can be dilated independently of one another.
