Appliance for percutaneous insertion of connection of pedicle screws has two arms of equal length with transverse connection, circular arm and circular support,

摘要

The equilateral triangle is located in a circle with a shared center point. These geometric principles determine the stereotactically guided percutaneous implantation of the lengthwise support connecting the polyaxial pedicle screws without the necessity of prolonged exposure of the spine during an operation. The appliance consists of two arms of equal length with a cross-connection on a plane on which swivels a circular arm of freely selected radius and holding the circular lengthwise support.