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Dynamic stabilisation with DSS

Dynamic dorsal stabilisation systems are supposed to restore the normal range of motion and therefore relieve pain, for back pain due to abnormal mobility and incipient spine wear. These systems are implanted, if despite conservative therapy, including infiltrations and a minimally invasive procedure, the pain persists. Often these signs of wear also lead to cysts on spinal joints, thickening of the ligaments especifically of the ligamentum flavum with the consequences of a functional spinal canal narrowing.

The dynamic stabilisation system (DSS) of the company Paradigm, complements the possibilities in the surgical treatment of degenerative spine disease. It is a on pedicle screws designed system that is based on modules and makes the combination of DSS dynamic couplers with DSS fusion couplers on adjacent heights possible. Thus, with the same system a segment can show a functionally dynamic stabilisation (non-fusion without acampsia) while the adjacent segment has a rigid segmental fixation (fusion, acampsia). The DSS-dynamic-coupler increases the acampsia of the affected motion segment and limits the extent of motion in flexion, extension, lateral flexion and rotation with preserved mobility. By choosing the appropriate size of the DSS-dynamic-coupler, the height of the posterior segment can be adjusted as well. The DSS Fusion coupler provides a rigid segmental fixation, using the same instruments. One of the special characteristics and advantages of the system is the use of percutaneous screw positioning, which favours a minimally invasive, muscle-considering procedure.

Strictly speaking, the system was designed to control the “Active Zone” movements, which are usually associated with pathological and painful movement arcs. The first implantations showed a very good success with the patient. The system can also be used in addition to a decompression surgery if on preoperative radiographs, signs of instability appear.

 

 

Dynamic stabilisation with DSS