PEEK Octagonal Tube

Chinese Custom Manufacturer Disposable PEEK Tubing Medical Grade Plastic PEEK Tube

Introduction

Materials：PEEK （Polyether Ether Ketone）

Specification Parameter：1.4*0.9*2350

Performance Advantages of Medical PEEK Material

1. Excellent Biocompatibility

Explanation: PEEK and its composites (such as carbon fiber-reinforced PEEK) generally do not cause rejection, allergies, or toxic reactions in the body. They have been certified by numerous international standards (such as ISO 10993) and are suitable for long-term implantation in the human body.

2. Bone-Like Elastic Modulus

Explanation: This is one of PEEK's most significant advantages in the field of orthopedics. Its elastic modulus (stiffness) is very close to that of human cortical bone. This可以有效减少 “stress shielding effect,” preventing the bone around the implant from weakening and resorbing due to insufficient stress, thereby promoting bone healing and long-term stability.

3. Radiolucency with Controlled Artifacts

Explanation: PEEK is radiolucent (not visible) under X-ray, CT, and MRI scans. This allows doctors to clearly observe bone healing after surgery. By adding contrast agents like barium sulfate, it can be made appropriately visible for positioning, while producing far fewer artifacts than metal implants, ensuring it does not interfere with the diagnosis of surrounding tissues.

4. Excellent Mechanical Strength and Fatigue Resistance

Explanation:PEEK possesses high strength, stiffness, and wear resistance. It can withstand the cyclic loads generated by daily human activities, ensuring the implant does not fail easily during long-term use.

5. Outstanding Chemical Stability and Hydrolysis Resistance

Explanation:PEEK is highly resistant to chemical erosion by bodily fluids. It does not degrade or change its properties within the body, guaranteeing the long-term performance and lifespan of the implant.

6. Ease of Sterilization and Processing

Explanation:PEEK material can withstand various conventional sterilization methods, such as autoclaving (high-temperature steam), gamma radiation, and ethylene oxide sterilization. Furthermore, it can be manufactured into complex-shaped implants through processes like injection molding.

7. Lightweight

Explanation: PEEK's density is much lower than that of metals (such as titanium alloys), resulting in lighter implants that can improve patient comfort.

8. Customizable Surface Modifications

Explanation: To promote bone ingrowth, the surface of PEEK can be modified through technologies like plasma spraying or 3D-printed coatings. For example, adding a porous structure or a hydroxyapatite coating can significantly improve its osseointegration capability.

Summary

In summary, medical PEEK, leveraging its unique combination of properties—especially its bone-like elastic modulus and excellent biocompatibility—has become a crucial alternative to metal implants. It is widely used in spinal fusion cages, trauma fixation, joint replacement, and dental applications.