TOPS System: Alternative to Spinal Fusion

posted in Spinal Motion Preservation, Spinal Stenosis

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The TOPS(TM) System, or Total Posterior Arthroplasty Implant, is a total posterior arthroplasty device for patients suffering from debilitating leg and back pain stemming from spinal stenosis, a common back condition that may also be accompanied by degenerative spondylolisthesis and facet arthrosis.

The TOPS System allows surgeons to decompress and stabilize the impaired spinal segment without sacrificing motion. By coupling traditional approaches with advanced biomechanics, TOPS is setting a new standard for total posterior motion preservation.

The TOPS system is designed to stabilize the spine after decompression without the need for fusion. It consists of two titanium plates connected by a flexible core that’s covered in a polycarbonate urethane sleeve. After decompression, the TOPS device is inserted into the space between the vertebrae. Four tiny screws hold it in place.

Stephen Robbins, M.D. is an Orthopaedic Surgeon at Columbia St. Mary’s Hospital in Milwaukee. He says, after placement of TOPS, patients usually have immediate relief from symptoms. They are able to stand and walk as soon as they get out of recovery. They are out of the hospital in about two days.

With traditional fusion, it takes at least three months for the bones to heal and six months to a year for complete fusion. So rehabilitation is delayed. With the TOPS system, there is no need to wait for fusion to heal. Rehabilitation can begin quickly and patients get back to normal activities very quickly. In addition, the flexible core of the TOPS system enables near normal bending and range of motion in the spine. Robbins is hopeful that will take the pressure off adjacent vertebrae and reduce the risk of future deterioration of disks in upper and lower vertebrae.

Source: Impliant

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