PEEK Screw (ACL/PCL) Video

PEEK Screw (ACL/PCL) PDF

PEEK Screw (ACL/PCL) Specification

PRODUCT NAME	REF	SPECIFICATION	PIC
PEEK screw(ACL/PCL)	RSPEEK623	6×23mm
	RSPEEK728	7×28mm
	RSPEEK828	8×28mm
	RSPEEK928	9×28mm
	RSPEEK1028	10×28mm

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PEEK Screw (ACL/PCL): A Comprehensive Guide

In orthopedic surgery, the advancement of materials and devices plays a crucial role in improving patient outcomes. Among these advancements, the PEEK screw (Polyether Ether Ketone) has become a highly sought-after implant for stabilizing the anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) during reconstructive surgeries. This article provides an in-depth look at PEEK screws, particularly for ACL and PCL surgeries, examining their features, advantages, clinical applications, and future prospects in orthopedic practices.

What is PEEK Screw (ACL/PCL)？

The PEEK screw (Polyether Ether Ketone screw) is a medical-grade implant primarily used in ACL and PCL ligament reconstruction surgeries. These screws are made from PEEK, a high-performance thermoplastic polymer known for its excellent biocompatibility, strength, and durability. PEEK screws are used to secure tendon grafts during ligament reconstruction, ensuring the stability of the graft as it integrates with the bone during the healing process.

What sets PEEK screws apart from traditional metal screws is their radiolucency, which allows for better imaging during follow-up diagnostic procedures. The absence of metal interference in radiological imaging makes these screws ideal for monitoring the healing process of ACL and PCL reconstructions.

PEEK Screw (ACL/PCL) Features

Radiolucency

PEEK screws are radiolucent, meaning they do not obstruct X-rays or MRI scans. This feature is crucial for monitoring the graft's healing and positioning post-surgery without interference from the screw.

High Strength-to-Weight Ratio

PEEK has an excellent strength-to-weight ratio, ensuring that the screws are strong enough to withstand the mechanical loads applied during knee movement while being lighter than metal counterparts.

Biocompatibility

PEEK is non-reactive with human tissue, significantly reducing the risk of complications such as irritation or inflammation, which are sometimes associated with metal implants.

Fatigue Resistance

PEEK's exceptional fatigue resistance makes it ideal for applications in load-bearing joints such as the knee, where the screws are subject to repeated stress during movement.

Customizable Designs

PEEK screws come in various lengths, diameters, and thread designs to suit the specific needs of individual patients. This customization ensures a better fit and stability during the reconstruction of the ACL or PCL.

PEEK Screw (ACL/PCL) Advantages

Improved Imaging

The radiolucent properties of PEEK screws allow for clearer imaging during post-surgical assessments. This ensures better monitoring of the graft's position, bone healing, and screw placement, which is crucial for successful rehabilitation.

Reduced Risk of Complications

Unlike metal implants, PEEK screws significantly lower the risk of inflammatory reactions or metal allergies, providing a safer alternative for patients with metal sensitivities.

Enhanced Graft Fixation

PEEK screws are designed to offer secure fixation while reducing the risk of graft migration or loosening. This provides stability during the critical early stages of ligament healing, which is essential for long-term graft survival.

Reduced Interference with Magnetic Resonance Imaging (MRI)

Traditional metal screws can distort MRI images, making post-operative evaluations more challenging. With PEEK screws, there is no interference with MRI scans, facilitating the assessment of graft integration and overall healing.

Improved Patient Comfort

Because PEEK screws do not cause irritation or allergic reactions like metal screws, they tend to offer superior patient comfort during recovery.

Precautions For The PEEK Screw (ACL/PCL)

Proper Sizing

Accurate selection of screw size is essential. If the screw is too large or too small, it can compromise the stability of the graft and lead to issues such as graft loosening or improper healing.

Surgical Expertise

The success of the procedure relies on the surgeon’s skill and experience in correctly positioning and tightening the screw. Improper placement or over-tightening can cause additional damage to the bone or soft tissue.

Bone Quality Consideration

In patients with compromised bone quality (e.g., osteoporosis), the use of PEEK screws may require extra care.Weaker bone structures may not hold the screw as securely as stronger bones, necessitating adjustments in the surgical approach.

Post-Operative Monitoring

Although PEEK screws are durable, it is still essential to regularly monitor the knee for signs of instability or complications. Imaging should be conducted to confirm proper graft positioning and screw placement.

Limited Use in High-Stress Regions

 While PEEK screws are strong, they may not be the best choice in regions of the body that experience extreme forces or where permanent fixation is required. In some cases, a hybrid approach with metal screws might be used to ensure adequate stability.

PEEK Screw (ACL/PCL) Treatment of Fracture Types

ACL Reconstruction

For ACL tears, which often occur in athletes or individuals involved in high-impact activities, PEEK screws are used to secure the graft (usually harvested from the patient’s hamstring or patellar tendon) to the femur and tibia. The screw stabilizes the graft during the healing process, allowing it to integrate with the bone.

PCL Reconstruction

In cases of PCL injuries, particularly those that result from traumatic knee accidents, PEEK screws are used to anchor the PCL graft, providing the necessary support for graft healing while minimizing interference with diagnostic imaging.

Bilateral Ligament Injuries

PEEK screws can also be used in cases of combined ACL and PCL tears, helping stabilize both ligaments simultaneously during reconstruction surgeries.

The Future Market For PEEK Screw (ACL/PCL)

Increasing Incidence of Sports Injuries

As the popularity of sports and physical activities continues to rise globally, the demand for ACL and PCL reconstructions will increase, driving the need for advanced fixation devices like PEEK screws.

Advancements in Biomaterials

The ongoing development of biocompatible and durable materials will continue to enhance the performance of PEEK screws, making them even more attractive for orthopedic surgeons.

Minimally Invasive Surgery Trends

The rise of minimally invasive surgery, where smaller incisions and more precise implant placement are emphasized, aligns well with the advantages of PEEK screws, which are lightweight and provide reliable fixation without the need for large incisions.

Growing Demand in Emerging Markets

As healthcare infrastructure improves in emerging economies, the demand for high-quality orthopedic implants, including PEEK screws, will increase, expanding their market potential globally.

Summary

The PEEK screw (ACL/PCL) is a revolutionary implant in the world of ligament reconstruction, offering numerous advantages over traditional metal screws. Its radiolucency, biocompatibility, and strength make it an excellent choice for stabilizing ACL and PCL grafts, while its ability to provide clear post-operative imaging is invaluable for ongoing monitoring and assessment.

With continued advancements in biomaterial technology and an increasing focus on minimally invasive techniques, the use of PEEK screws in orthopedic surgeries will likely continue to expand. As the market for advanced orthopedic implants grows, PEEK screws are positioned to play a key role in the successful treatment of ligament injuries, particularly for active individuals and athletes.

In conclusion, the PEEK screw (ACL/PCL) offers a high-performance solution for ligament reconstruction, improving both surgical outcomes and patient recovery times. Its unique material properties and ability to enhance graft fixation, combined with its radiolucency for improved post-operative evaluation, make it a preferred choice for orthopedic surgeons worldwide.