Alignment element for aligning a needle guide; Alignment arrangement; Guide arrangement; Treatment arrangement and procedure

摘要

The aim of the invention is to enable improved guidance for a medical needle. For this purpose, an alignment element (1) for aligning a needle guide (2), which is set up for longitudinal guidance of a medical needle (3), with a connecting element for arranging the alignment element (1) on such a needle guide (2), and - one Light guiding device (15) for a predetermined light distribution (4), the light guiding device (15) generating a predetermined light pattern only in a pose predetermined by its geometry relative to the light distribution (4). Such an alignment element (1) is used in the context of the present application in a treatment arrangement for the longitudinal guidance of a needle (3) and a method for aligning a needle guide (2).