Brainlab Ag

Gerhard Kleinszig

Claus Schaffrath

Gunther Becht

Florian Mahn

Pete Reed

Christoph Schenkel

A method for verifying the position of at least two bone structures relative to each other, comprising the method steps of: recording a three-dimensional dataset which represents the bone structures; segmenting the three-dimensional dataset into segments, wherein each segment represents a bone structure and the segments exhibit a known relative position in the three-dimensional dataset; changing the virtual relative position of the segments, such that the virtual relative position of the segments matches the actual relative position of the bone structures; and verifying whether the virtual relative position of the segments matches a target position of the bone structures.

Method for verifying the relative position of bone structures

A vertebral spreading instrument for moving apart two vertebrae of a spine includes a plurality of spreading fingers and a spreading mechanism for adjusting a distance between the spreading fingers. The spreading mechanism includes a first and a second part, the first and second parts each including a respective marker trackable by a navigation system. Relative positions of the first and second parts change when the distance between the spreading fingers is adjusted, and different relative positions are unequivocally assigned to different distances of the spreading fingers.

Vertebral spreading instrument comprising markers

A fixing system and method for fixing a navigational reference array for image-assisted medical treatment with respect to a patient, wherein the reference array is arranged the patient's body with the assistance of an immobilizing device, and wherein the immobilizing device is a vacuum mattress or a vacuum mattress patient jacket, and at least one anchoring for the reference array is provided on or in the vacuum mattress or a vacuum mattress patient jacket.

Growing community of inventors

Buch, Germany

Gerhard Kleinszig