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About: Polyaxial screw     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:Artifact100021939yago:Corrective103111899yago:Device103183080yago:Implant103563710yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:Prosthesis104013729yago:WikicatImplantsyago:Whole100003553 New Facet based on Instances of this Class

A polyaxial screw is used for connecting vertebrae to rods in spinal surgery, particularly spinal fusion procedures. It is a type of screw whose spherical head is enclosed in a housing, which allows the screw a range of motion along several different axes relative to the housing. The ball joint allows the surgeon some flexibility in placing the screws. The screws are typically placed into the pedicle of the vertebra.