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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Surgical treatment of neuromuscular Early Onset Scoliosis with a bilateral posterior one-way rod compared to the Spring Distraction System: study protocol for a limited-efficacy Randomized Controlled Trial (BiPOWR)

Fig. 1

Spring Distraction System. The SDS consists of three components that are added to standard growing rods. It provides a continuous distraction force during follow-up, without the need for repeated lengthenings. In the BiPOWR trial, the distal anchors are iliosacral screws instead of pedicle screws. Green: A side-to-side connector with one oversized hole through which a CoCr rod can slide freely. Gold: Ti6Al4V springs which can be compressed over the rod. Blue: The buttress compresses the spring against the side-to-side connector

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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