Patent ID: 6044291
Filing Date: 2000-03-28
Classification: A61B

Abstract:
A targetting device for the straight-lined introduction of an instrument into a preferably human body comprising a movable laser light source for producing a projection in a targetting direction of the instrument, wherein a piercing location and a directional angle of a piercing is evaluated with the help of a computer tomograph and the piercing location may be marked by a deposit, including a first carriage which is traversable along a horizontal guide above a gantry of the computer tomograph and which is fastenable at any point on the horizontal guide, wherein the laser light source is pivotably linked, about a horizontal axis, to the first carriage with a first angular scale for indicating the horizontal pivoting angle of the laser light source,wherein a vertical guide is arranged on the first carriage,wherein a second carriage is traversable along the vertical guide and is fastenable at any point on the vertical guide,wherein the laser light source is mounted on the second carriage and is also pivotable about a vertical axis and is fastenable at any pivoting angle,and wherein a second angular scale is provided for indicating a vertical pivoting angle.