New Apparatus for Spinal Cord Stereotaxis and its Use in the Microsurgery of Lumbar Enlargement

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Abstract
Our construction of the spinal cord stereotaxic apparatus is different from similar apparatus available. The base of the apparatus is attached directly to the arc of the vertebral body by means of a handle screw. The apparatus is light, easily demontable. Movement is possible in 3 perpendicular plains and carries one fine uni- or dipolar electrode. By means of this electrode the spinal cord potentials are recorded, the spinal cord structures can be stimulated and lesions are carried out by electrocoagulation. The target can be reached according to model maps of the spinal cord. The apparatus is used in order to influence the hyperspastic bladder and the spasticity of the lower limbs after interruption of the spinal cord. Results are encouraging us to use the stereotaxic method for the treatment of neurogenic bladder in the spinal cord segment S2.

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