Pedicle screws, although often overlooked by the general public, are critical components in spinal surgery. These small yet mighty implants are instrumental in stabilizing the spine, correcting deformities, and aiding in fusion. In this comprehensive guide, we will delve into the world of pedicle screws, exploring their definitions, purposes, and various types.

Understanding Pedicle Screws

Surgeons use pedicle screws as surgical implants to anchor and stabilize vertebrae in spinal surgery. Notably, these screws are commonly crafted from biocompatible materials, such as medical-grade titanium or stainless steel, to ensure compatibility with the human body.

The standard of care for stabilizing the thoracic and lumbar spine in correcting spinal deformities involves pedicle screw fixation. Precise screw placement is critical to prevent injury to nearby neural structures. However, the current methods for planning these interventions are suboptimal. Traditionally, these procedures were planned using 2D radiographs, which proved inadequate given the intricate 3D anatomy of the spinal column and its proximity to nerve bundles, blood vessels, and internal organs.

The Purpose of Pedicle Screws

Pedicle screws, unassuming yet incredibly crucial components in the world of spinal surgery, serve a multifaceted purpose. Let’s dive into their various roles in enhancing spinal health.

Enhancing Spine Stability: The foremost role of pedicle screws is to fortify and enhance spinal stability. In cases of degenerative spinal disorders, traumatic injuries, or the presence of tumors, these screws step in as stalwart allies. By expertly anchoring adjacent vertebrae together, pedicle screws play a pivotal role in preventing abnormal movements within the spine. This steadfast support paves the way for proper healing and recovery, relieving patients of discomfort and instability.

Deformity Correction: Pedicle screws in spine implants shine as invaluable tools in the correction of spinal deformities. Conditions like scoliosis and kyphosis can significantly impact a patient’s quality of life. Surgeons skillfully utilize pedicle screws to undertake the intricate task of realigning the spine. Through their precision and stability, these screws work to improve a patient’s posture, alleviate pain, and restore a sense of normalcy to their daily life. The transformation brought about by deformity correction is often life-changing for patients.

Facilitating Fusion: Spinal fusion procedures are designed to achieve the fusion of two or more vertebrae. This fusion eliminates painful motion, providing relief for individuals suffering from conditions like herniated discs. Here, pedicle screws step onto the stage once more, playing a crucial role in securing the fusion site. By affixing these screws expertly, the surgical team creates the ideal environment for bone grafts to fuse over time. The fusion process, supported by pedicle screws, ultimately leads to long-term stability and alleviation of discomfort.

Exploring Pedicle Screw Types

Monoaxial Pedicle Screws: These screws have a fixed angle, providing solid and straightforward fixation. They are ideal for cases where a rigid and secure connection is essential, but the range of motion is less critical. Monoaxial screws are often favored for their simplicity and reliability.

Polyaxial Pedicle Screws: Polyaxial screws offer a more flexible option with a wider range of motion. Their design allows for greater angulation, making them suitable for complex anatomical structures or cases where flexibility is necessary.

Pedicle Screws by Zealmax Ortho 

Pedicle Screws by Zealmax Ortho

I. Monoaxial Pedicle Screw:

Pedicle screw spine implants use a rod screw construct that can be made with monoaxial screws with an immobile pedicle screw head. Designed to thread easier and hold stronger for controlled & easy insertion.


  • The monoaxial pedicle screw stabilizes the vertebrae.
  • Used in different procedures to provide fixation.
  • Immediate stability, rigid immobilization and short fixation.
  • Available in Titanium material.
  • Available diameter  4.5, 5.5 and 6.5(in mm).
  • Available length 25, 30, 35, 40, 45 and 55 (in mm).

II. Polyaxial Pedicle Screw:

The Polyaxial Pedicle Screw, available in various lengths and widths, features a spherical head enclosed in the housing, enabling the screw to move along different axes relative to the housing. Its ball joint makes it easier and flexible for surgeons to place the screw at the right place typically into the pedicle of the vertebra, in the proper manner. When applied, it helps maintain spinal stability and avoid further nerve damage especially while treating the thoracolumbar fracture. Coated with Hydroxyapatite (HA) – a biocompatible surface to titanium medical implants that acts similar to natural hard tissues and improves bioactivity and osteoconductivity, our Polyaxial Pedicle Screw is a savior for patients facing spinal trauma. It plays a crucial role in spinal surgery by connecting vertebrae to rods, especially in spinal fusion procedures.

Features of Pedicle Screws

Precision in Design: Pedicle screws undergo meticulous design and manufacturing to guarantee precision during implantation.

Biocompatible Materials: High-quality pedicle screws are crafted from biocompatible materials, reducing the risk of adverse reactions or complications.

Robust Build: They possess a durable construction to withstand the mechanical stresses and loads in the spine.

Sterile Packaging: Moreover, most screws are supplied in sterile packaging to prevent infections during surgery.

Low-Profile Heads: Low-profile screw heads reduce soft tissue irritation and make them suitable for minimally invasive procedures

Locking Mechanisms: Screws may feature locking mechanisms or set screws to maintain stability after implantation.

Screw Length Options: A variety of screw lengths are available to accommodate different patient anatomies and surgical requirements.


Zealmax Innovations Pvt. Ltd. has emerged as a global leader of spinal implants manufacturers, solidifying its reputation through an unwavering dedication to quality, innovation, and customer contentment. With a rich history of over a decade in the field, the company has gained widespread recognition for offering an extensive range of premium spinal pedicle screws and related orthopedic products, tools, and surgical sets.

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