Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Intervertebral disc replacement. Experimental study

J P Kostuik1

  • 1Department of Orthopedic Surgery, Johns Hopkins Hospital, Baltimore, MD 21287-0882, USA.

Clinical Orthopaedics and Related Research
|April 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Analysis of the risk factors for the development of post-operative spinal epidural haematoma.

The Journal of bone and joint surgery. British volume·2005
Same author

Cauda equina syndrome in ankylosing spondylitis (the CES-AS syndrome): meta-analysis of outcomes after medical and surgical treatments.

Journal of spinal disorders·2001
Same author

Anterior spinal cord injury with preserved neurogenic 'motor' evoked potentials.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2001
Same author

Does intraoperative fluid management in spine surgery predict intensive care unit length of stay?

Journal of clinical anesthesia·2001
Same author

The effect of neuromuscular blockade on pedicle screw stimulation thresholds.

Spine·2000
Same author

Spine update: antimicrobial prophylaxis in spine surgery: basic principles and recent advances.

Spine·2000

Dynamic intervertebral discs offer a promising alternative to spinal fusion, addressing long-term complications like adjacent segment degeneration. These novel implants utilize durable metal alloys for enhanced longevity and patient outcomes.

Area of Science:

  • Spinal surgery
  • Biomaterials engineering
  • Orthopedic biomechanics

Background:

  • Spinal fusion (arthrodesis) for lumbosacral spine issues leads to adjacent segment degeneration in 30% of patients.
  • Previous attempts to create mobile spinal segments have faced limitations.

Purpose of the Study:

  • To present the current development status of dynamic intervertebral prostheses.
  • To evaluate biomechanical and clinical data for these novel devices.
  • To explore metal alloys as a durable alternative to spinal fusion.

Main Methods:

  • Analysis of motion segment kinematics and material properties.
  • Development of a dynamic intervertebral disc mimicking natural motion segments.
  • Testing of material longevity (100 million cycles/40 years), wear debris, and safety features.

Related Experiment Videos

Main Results:

  • Metal alloys (cobalt chromium, titanium) demonstrate superior longevity and minimal wear compared to plastics and ceramics.
  • The dynamic disc exhibits natural motion segment kinematics and low wear debris.
  • Safety features include immediate screw fixation, elastic wedge shape, and porous ingrowth surfaces.

Conclusions:

  • Dynamic intervertebral discs represent a viable alternative to spinal fusion, mitigating long-term sequelae.
  • Metal-based prostheses offer extended durability and safety for lumbar spine applications.
  • The developed dynamic disc shows promising biomechanical performance and wear characteristics.