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