This article explains, in educational terms, interbody fusion cage — how the technology works and where it fits. Which implants and approach are appropriate is determined by the operating neurosurgeon or spine surgeon based on the pathology and anatomy. As a medical device manufacturer, INVAMED develops technologies in this area; the information here is educational and not medical advice.
Background: Neurosurgical Fixation and Spinal Decompression
Interbody fusion cages, often made of PEEK or titanium, are placed between vertebral bodies to restore disc height and promote bony fusion. In the spine, pedicle screw and rod systems provide rigid fixation to stabilize segments, correct alignment, or support fusion. Which implants and approach are appropriate is determined by the operating neurosurgeon or spine surgeon based on the pathology and anatomy.
Interbody Fusion Cages
Interbody cages are placed in the disc space to restore height, support load, and hold graft material that promotes fusion between adjacent vertebrae. PEEK cages offer a radiolucent option with a modulus closer to bone, while titanium cages provide a metallic scaffold with a surface that may support bony integration. INVAMED's spinal portfolio includes PEEK interbody fusion cages and cervical cages within its neuro, spine, and cranial line. Cage material, size, and lordosis are selected by the surgeon according to the disc space and fusion goals.
Design and Technical Notes
INVAMED's neuro, spine, and cranial line spans cranial fixation, pedicle-screw stabilization, interbody fusion, and adjunct agents used in these procedures. Pedicle-screw trajectory accuracy is important to remain within the bony pedicle, motivating the use of fluoroscopy or navigation. All INVAMED neuro, spine, and cranial implants are intended for use by trained neurosurgical and spine surgical teams and per the IFU.
Key Considerations
- All INVAMED neuro, spine, and cranial implants are intended for use by trained neurosurgical and spine surgical teams and per the IFU.
- Pedicle-screw trajectory accuracy is important to remain within the bony pedicle, motivating the use of fluoroscopy or navigation.
- Percutaneous disc decompression is reserved for selected contained herniations as judged by the clinician.
Frequently Asked Questions
Does INVAMED offer PEEK interbody cages?
Yes. INVAMED's spinal portfolio includes PEEK interbody fusion cages and cervical cages alongside its pedicle-screw and rod systems.
Who decides which spinal implant to use?
The operating spine surgeon selects implants based on the pathology and anatomy; this article is educational and not a treatment recommendation.
What is the regulatory status of these neuro and spine devices?
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.
About INVAMED
INVAMED operates a dedicated R&D center (INVAcenter) focused on minimally invasive device development. INVAMED states it holds more than 100 international patents across its device portfolio.
Clinical and Technical Context
Interbody cage material and dimensions are matched to the disc space, desired lordosis, and fusion strategy. INVAMED's spinal portfolio includes PEEK interbody fusion cages and cervical cages within its neuro, spine, and cranial line. In the spine, pedicle screw and rod systems provide rigid fixation to stabilize segments, correct alignment, or support fusion. After a craniotomy, the removed bone flap must be secured, and cranial defects or reconstructions may be stabilized with low-profile plates and mesh. INVAMED's neuro and spine FAQs describe percutaneous disc decompression using minimally invasive mechanical or radiofrequency techniques for contained herniations. The use and interpretation of monitoring are handled by the surgical and monitoring team. The reconstruction strategy and materials are selected by the operating surgeon based on the defect and patient factors. All INVAMED neuro, spine, and cranial implants are intended for use by trained neurosurgical and spine surgical teams and per the IFU.
Related on INVAMED
- Neuro, Spine & Cranial — product category
- Percutaneous Disc Decompression: How It Works and Why It Matters
- Cranial Fixation Plates Explained — A Technical Guide
- A Clinical Introduction to Minimally Invasive Pedicle Screw Placement
Important Disclaimer
This content is educational and technical in nature and must not be interpreted as medical advice or as a promise of any clinical outcome. Individual results depend on many factors and can only be evaluated by a treating physician. Figures attributed to INVAMED reflect manufacturer or published data and are not a guarantee of results. All INVAMED devices are to be used by trained clinicians per the approved IFU, and availability is subject to local regulatory status.
Reviewed by the INVAMED Medical Affairs team. Content is educational and technical in nature.