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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 ...
For spinal fusion surgery on AIS cases, with instrumentation attached using pedicle screws, complication rates were reported in 2011 as transient neurological injuries between 0% to 1.5%, a pedicle fracture rate of 0.24%, screw malposition assessed by radiography at 1.5%, 6% when assessed by CT scans though these patients were asymptomatic not ...
The percutaneous pedicle screw fixation technique allows for a procedure that presents minimal risk to the patient. Fluoroscopic image guided navigation through these portals allows for surgeons to perform more efficient procedures. Minimally invasive procedures often yield a much faster recovery time than fully invasive surgeries, making them ...
Spinal fusion, also called spondylodesis or spondylosyndesis, is a surgery performed by orthopaedic surgeons or neurosurgeons that joins two or more vertebrae. [1] This procedure can be performed at any level in the spine (cervical, thoracic, lumbar, or sacral) and prevents any movement between the fused vertebrae.
OrthoPediatrics holds nine patents for bottom loaded pedicle screw, bone screw, graft fixation, bone screw, surgical connectors and instrumentation, pediatric long bone support or fixation plate, pediatric intramedullary nail, compression bone fragment wire, convertible threaded compression device and its method of use.
As of 2019, the application of robotics in spine surgery has mainly been limited to pedicle screw insertion for spinal fixation. [76] In addition, the majority of studies on robot-assisted spine surgery have investigated lumbar or lumbosacral vertebrae only. [ 76 ]
The device used to achieve vertebral fixation is usually a permanent rigid or semi-rigid prosthesis made of titanium; examples include rods, plates, screws, and various combinations thereof. A less common alternative is the use of a resorbable fixation device, composed of a bio-resorbable material.
Vertebroplasty and kyphoplasty are the two most common procedures for spinal augmentation. These medical terms are classical compounds of the suffix -plasty meaning "molding or shaping surgically" (from Ancient Greek plastós "molded, formed") and the prefixes vertebro-"vertebra" (from Latin vertebra "joint, joint of the spine") and kypho-"humped; stooping forward" (from Ancient Greek kyphos ...