Carbon-Fiber Spine Implants (CarboFix CarboClear®) | Jonathan G. Hobbs, M.D.

What Are Carbon-Fiber Spine Implants?

Traditional spinal implants — the screws, rods, and plates used to stabilize the spine — are made of titanium or other metals. Carbon-fiber implants are made instead from carbon-fiber-reinforced PEEK (CFR-PEEK), a strong composite material. Dr. Hobbs uses the CarboFix CarboClear® system, which the FDA has cleared to stabilize the spine in patients with advanced spinal tumors.

The defining feature of carbon-fiber implants is that they are radiolucent — they are nearly invisible to X-rays, CT, and MRI. Metal hardware, by contrast, creates bright scatter and artifact that can obscure the surrounding bone and soft tissue on a scan, and it distorts the radiation beams used in cancer treatment.

For most spine surgery, titanium remains an excellent choice. But for patients with spinal tumors — who often need careful imaging follow-up and post-operative radiation therapy — the radiolucency of carbon fiber offers meaningful advantages. Small radiopaque markers are built into the implants so Dr. Hobbs can still confirm their exact position during and after surgery.

Why Carbon Fiber?

Three advantages make carbon-fiber implants especially valuable in the treatment of spinal tumors.

Clearer CT & MRI

Artifact-free imaging means a tumor recurrence near the implant can be spotted early, enabling enhanced follow-up that metal hardware can obscure.

Better Radiation Therapy

Negligible backscattering and attenuation let radiation oncologists deliver a more accurate dose to the tumor, with less collateral effect on healthy tissue.

High Fatigue Resistance

Engineered for durability with a stiffness closer to bone than metal — offering strong support for non-fusion and delayed-fusion patients.

Carbon Fiber vs. Titanium in Cancer Care

When a tumor weakens the spine, surgery is often needed to relieve pressure on the spinal cord and stabilize the bone. Many of these patients also need radiation therapy — either before or after surgery — and lifelong imaging to watch for recurrence. This is exactly where the choice of implant material matters most.

Carbon-Fiber (CFR-PEEK)

Radiolucent — minimal artifact on CT and MRI
Does not distort radiation therapy beams
Stiffness closer to natural bone
Radiopaque markers confirm implant position

Traditional Metal (Titanium)

Scatter and artifact can hide tumor recurrence on scans
Distorts radiation dosing around the hardware
Proven, excellent choice for most non-tumor spine surgery
Long, well-established track record

The best implant depends on your diagnosis and treatment plan. Dr. Hobbs selects the material that gives you the safest result and the clearest path for any imaging or radiation you may need.

Who Benefits from Carbon-Fiber Implants?

Carbon-fiber implants are particularly valuable for patients whose care depends on clear imaging and precise radiation therapy.

Primary Spinal Tumors — tumors originating in the spine that require stabilization and ongoing monitoring
Metastatic Spine Disease — cancer that has spread to the spine and weakened the bone
Patients Needing Radiation — those who will receive radiation therapy before or after spine surgery
Long-Term Surveillance — patients who need repeated CT or MRI scans to watch for recurrence

Why Choose Dr. Hobbs for Spinal Tumor Surgery

First in Indiana
First surgeon in Indiana to use the CarboFix CarboClear carbon-fiber system for spinal tumors

Tumor & Deformity Expertise
Specialty-trained in diagnosing and surgically treating spinal tumors and complex deformities

Board-Certified Neurosurgeon
Board-certified by the American Board of Neurological Surgery

Elite Training
University of Kentucky medical degree; neurosurgery residency at the University of Chicago, serving as chief resident

Coordinated Cancer Care
Works alongside oncology and radiation-oncology teams to plan each patient's full treatment

Lakeshore Bone & Joint Institute
Practicing at Northwest Indiana's most preferred orthopedic and spine practice

Frequently Asked Questions About Carbon-Fiber Implants

Carbon-fiber spine implants are spinal screws, rods, and plates made from carbon-fiber-reinforced PEEK (CFR-PEEK) instead of metal. Dr. Hobbs uses the CarboFix CarboClear system. Unlike titanium, these implants are radiolucent, meaning they do not block X-rays, CT, or MRI imaging and do not interfere with radiation therapy — important advantages when treating spinal tumors.

Metal implants create scatter and artifact on CT and MRI scans, which can hide a tumor recurrence near the hardware, and they distort radiation therapy beams. Carbon-fiber (CFR-PEEK) implants are radiolucent: they leave imaging clear so recurrence can be detected early, and they allow radiation oncologists to deliver a more accurate dose to the tumor with less collateral effect on healthy tissue.

No. One of the main advantages of carbon-fiber-reinforced PEEK implants is that they produce negligible backscattering and attenuation of radiation. This allows the radiation oncology team to plan and deliver radiation to a spinal tumor more precisely than is possible around traditional metal hardware.

Carbon-fiber-reinforced PEEK implants are engineered for high fatigue resistance and have a stiffness closer to natural bone than metal. The CarboClear system received FDA clearance to stabilize the spine in patients with advanced spinal tumors, including support for non-fusion and delayed-fusion situations. Radiopaque markers are built in so the surgeon can still confirm implant position on imaging.

Carbon-fiber implants are most often used for patients with primary or metastatic spinal tumors who need spinal stabilization and will benefit from clearer imaging follow-up and post-operative radiation therapy. Dr. Hobbs determines the right implant for each patient based on their diagnosis, tumor type, and overall treatment plan.

Yes. Jonathan G. Hobbs, M.D. was the first surgeon in Indiana to use the CarboFix CarboClear carbon-fiber implant system to treat spinal tumors. He offers it to appropriate patients at Lakeshore Bone & Joint Institute, with offices in Crown Point, Chesterton, and Portage, Indiana.

Discuss Your Spinal Tumor Treatment Options

If you or a loved one has a spinal tumor, Dr. Hobbs can explain whether carbon-fiber implants are part of the right surgical plan — coordinated with your oncology and radiation team. Call today to schedule a consultation.

(219) 250-5010

Monday – Friday · 8:00 AM – 5:00 PM

Crown Point Office

500 E. 109th Avenue
Crown Point, IN 46307

Chesterton Office

601 Gateway Boulevard
Chesterton, IN 46304