What is a PEEK cage?

A PEEK cage is a medical device used in spinal fusion surgery to replace a damaged or diseased intervertebral disc. It is made of a biocompatible polymer called polyetheretherketone (PEEK), which is similar in composition to natural bone and has been used in medical devices for decades.

PEEK cages are designed to maintain spinal alignment and provide support to the spine while bone graft material is added to promote fusion between adjacent vertebrae. The cage is inserted into the disc space from the anterior (front) of the spine, and is filled with bone graft material to encourage the vertebrae to grow together.

PEEK cages have several advantages over traditional metal cages, including their radiolucency, which allows doctors to monitor the progress of fusion using X-ray or CT scans. They are also less stiff than metal cages, which can reduce the risk of stress-shielding and bone loss around the cage.

PEEK cages come in various shapes and sizes to fit different spinal segments and patient anatomy, and may be used alone or in combination with other spinal hardware such as screws and rods.

What is the use of PEEK cage?

The primary use of PEEK (polyetheretherketone) cages is in spinal fusion surgery. PEEK cages are medical devices used to replace damaged or diseased intervertebral discs, which are the soft tissue structures that act as cushions between adjacent vertebrae in the spine. When a disc becomes damaged, it can cause pain, instability, and nerve compression, which can be treated with spinal fusion surgery.

During spinal fusion surgery, the damaged disc is removed and a PEEK cage is inserted into the empty disc space to maintain spinal alignment and provide support to the spine. The cage is filled with bone graft material, which promotes fusion between the adjacent vertebrae and allows them to grow together into a single, solid bone.

PEEK cages have several advantages over traditional metal cages, including their biocompatibility, radiolucency, and compatibility with MRI imaging. They are also less stiff than metal cages, which can reduce the risk of stress-shielding and bone loss around the cage.

What is a cervical cage?

A cervical cage is a medical device used in cervical spine surgery to replace a damaged or diseased intervertebral disc in the neck region. It is a small implant that is designed to fit between two adjacent vertebrae in the cervical spine, and is typically made of a biocompatible material such as titanium, PEEK (polyetheretherketone), or a combination of both.

The cervical cage is inserted into the empty disc space after the damaged disc has been removed. It is designed to maintain the normal height and curvature of the cervical spine, and to provide support and stability to the adjacent vertebrae.

Cervical cages may be used alone or in combination with other surgical techniques, such as posterior instrumentation or anterior plate fixation, depending on the specific condition being treated and the surgical approach chosen by the surgeon.

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