A minimally invasive fusion technique may result in faster recovery screw fusion surgery, the coflex-F procedure often results in a Lanx® Aspen™ = %. Orthopedics Today | It is generally accepted that spinal fusion, in conjunction with decompression, produces better clinical outcomes in patients with. The Aspen line of spinal instrumentation products from Lanx is unique These devices can be used for less invasive surgery under certain circumstances. This technique gets a little difficult towards the lumbrosacral junction.
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BioMed Research International
View at Google Scholar U. A second generation of the Wallis device, slightly different in shape, and composed of polyetheretherketone PEEKwas used with other surgical procedures, to reduce pain severity in cases of moderate disc degeneration, central spinal stenosis, and significant lower back pain.
However, some investigators began to explore novel minimally invasive approaches to stabilize the lumbar spine. The system is easy to use and the quick procedure offers minimal exposure, dissection, muscle trauma, and blood loss as well as protection of neural structures.
The device consists of an interspinous spacer made of polyetheretherketone PEEKwhich limits extension, and two woven dacron bands that secure the implant and limit flexion Figure 4.
The authors requested further biomechanical and clinical evidence to strongly support the recommendation of a stand-alone interspinous fusion device or as supplemental fixation to expandable posterior interbody cages [ 58 ]. The posterior Fusion device consists of spinous process plates made of Titanium Alloy and commercially pure titanium Figure X Patients and Caregivers Medical Professionals.
Aspen MIS Fusion System | Aspen MIS Fusion System by Zimmer Biomet
This device was originally developed in France by Dr. The anterior design maximizes containment area for bone graft material to optimize bony fixation Figure In a cadaveric disc pressure study, Swanson aurgical al. Recently with greater focus on motion-preservation alternatives, interest in nonfusion interspinous devices has emerged. Although a growing number of different minimal invasive treatments have been introduced for the degenerative lumbar spine disease, the interspinous process devices are becoming an acceptable alternative for lumbar decompressive surgery [ 28 — techniquue ].
This lnax is intended for health care professionals. They reported that the X-Stop group showed a significantly larger foraminal cross-sectional area and height than the other two devices. View surhical Google Scholar D. Recently, most of the devices have been marketed as treatments for discogenic low back pain: Francis Medical Technologies was acquired by Medtronic. Removal is indicated because the implants are not intended to transfer or support forces developed during normal activities.
Nevertheless, the biomechanical mechanism is not clear, because both compression and distraction cause a significant decrease in nucleus pressure; however, the compression results in a greater pressure decrease than distraction.
The center of the device is traversed by two oval openings which serve to increase the flexibility of the device during compression loading of the lumbar segments.
View at Google Scholar O. The oval spacer separates the spinous processes and limits extension at the implanted level. It is a dynamic interspinous system that allows for compression movements, lateral bending, and load transfer along the spine preserving the kinematic movements llanx the vertebral segment where it is implanted.
Occasionally, hypertrophied facets that block entry into the anterior interspinous space are trimmed partially to enable anterior placement of the implant.
The usrgical use of interspinous implants, combined with a growing older population, has raised questions from the scientific community. The cost difference was secondary to the fact that laminectomy was performed as an inpatient surgery, whereas X-Stop was performed as an ambulatory setting. Increase of the Neural Foramina Area Neural foramina area is increased after insertion of an interspinous device.
The Wallis device is indicated for the treatment of low back pain associated with degenerative disc diseases as well as lateral recess and central spinal stenosis. The implantation of spinal fixation systems must only be performed by experienced spinal surgeons with specific training in the use of this system due to the technically demanding procedure presenting a risk of serious injury to the patient. The Aspen device is a posterior, non-pedicle supplemental fixation device, intended for use at a single level in the non-cervical spine T1-S1.
The BacFuse decompresses the spinal canal while supporting the formation of interspinous fusion Figure It has sudgical reported recently [ 66 ] in a health economical analysis that considerable healthcare cost savings can be obtained using an IPD on an outpatient basis.
Standard Implant For Aspen Standard, the implant barrel is 21mm long and may be best suited for a thick spinous process Medium Implant With a medial-lateral dimension that is 3mm shorter in the barrel, the Aspen Medium implant may be preferred. All content herein is protected by copyright, trademarks and other intellectual property rights, as applicable, owned by or licensed to Zimmer Biomet or its affiliates unless otherwise indicated, and must not be redistributed, duplicated or disclosed, in whole or in part, without the express written consent of Zimmer Biomet.