Stand-alone Fusion
Stand-alone Fusion - Related Videos
09:32
Standing Waves
0 Views •
2023
Source: Arianna Brown, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA Standing waves, or stationary waves, are waves that appear not to propagate and are produced by the interference of two waves traveling in opposite directions with the same frequency and amplitude. These waves appear to vibrate up and down with no linear movement and are most easily identified in vibrating finite media like a plucked guitar string,...
01:17
Standing Waves
0 Views •
2023
Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
05:30
Surgical Approach and Complications of Stand-alone Lateral Trans-Psoas Interbody Fusion
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2025
Interbody fusion of the lumbar spine can be achieved surgically using different techniques. Minimally invasive techniques, including lateral interbody fusion, have been developed within recent decades to reduce rates of complications and allow for quicker patient recovery. We provide insight into stand-alone lateral trans-psoas interbody fusion, highlighting potential complications and pitfalls.
02:45
Nuclear Fusion
0 Views •
2020
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons. A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
09:19
Analysis of SNARE-mediated Membrane Fusion Using an Enzymatic Cell Fusion Assay
0 Views •
2012
We have developed a cell fusion assay that quantifies SNARE-mediated membrane fusion events by activated expression of β-galactosidase.
FAQs
The implant occupies the space created after the diseased disc is removed and helps maintain alignment between adjacent vertebrae. A cage or graft also provides a site for bone growth across the disc space. As bone bridges the treated segment, arthrodesis develops and the motion segment becomes stabilized without relying on posterior screws and rods.
Stand-alone fusion may be selected when limited surgical exposure or a reduced implant burden is desirable. It achieves stabilization through an interbody cage or graft rather than adding posterior pedicle screws and rods. This approach remains dependent on the treated segment's anatomy, bone quality, and loading conditions, which influence whether the implant can maintain stability.
Anatomy, bone quality, and loading conditions are central determinants of outcome. These factors affect how well the interbody implant maintains alignment and supports bone growth across the disc space. Consequently, the same construct may not perform identically in every patient, making careful selection and subsequent radiographic assessment important parts of treatment.
The procedure begins with removal of the damaged disc from the motion segment. The surgeon then places a cage or graft between the adjacent vertebrae, positioning the implant to maintain alignment and support bone growth. Unlike a construct with posterior instrumentation, the stabilization strategy does not add pedicle screws and rods behind the vertebrae.
This technique may be considered for selected degenerative disc conditions, spinal instability, or deformity. Its use is not determined by diagnosis alone, because the suitability of an interbody-only construct depends on patient-specific anatomy, bone quality, and expected loading. The method is particularly relevant when limited exposure or a lower implant burden is a treatment priority.
Radiographic follow-up is essential for assessing whether alignment is maintained and whether bone growth has developed across the treated disc space. These images help evaluate progression toward arthrodesis and identify concerns related to stability. Follow-up is especially important because implant performance and fusion success depend on anatomy, bone quality, and loading conditions.