Application of PEEK material in medical devices

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Application of PEEK material in medical devices

With the development of medical technology, the requirements for medical device materials are getting higher and higher, and the unique physical and chemical properties of PEEK materials have become an important new material in the field of medical devices.

Introduction to the properties of PEEK materials

PEEK material is a semi-crystalline polymer with the following properties:

Approximate elastic modulus of human bone: The elastic modulus of PEEK is very close to Google's, avoiding the stress occlusion problem that exists with metal implants.

Heat resistance: PEEK has a melting point of up to 340°C, can be used in pressurized hot water or steam at 300°C, and can withstand more than 3000 cycles of autoclaving in an environment of 134°C, a characteristic that makes it used in the production of surgical and dental equipment with high sterilization requirements and repeated use.

Chemical resistance: PEEK has good resistance to most chemicals and is not easy to be corroded.

Biocompatibility: PEEK will not cause adverse reactions in the human body, and is suitable for implant materials.

X-ray transparency: PEEK has good X-ray penetration and will not produce metal artifacts, which is convenient for postoperative observation.

Examples of PEEK applications in medical devices

Orthopedic implants: PEEK has an elastic modulus close to human bone and biocompatibility, making it an ideal choice for orthopedic implants for the manufacture of spinal fusion devices, joint replacement parts, etc., which can provide good support and stability in the body.

Dental applications: PEEK is used in the manufacture of crowns, bridges and dental implants, and the aesthetics and biocompatibility of PEEK have become the preferred material for restoring teeth.

Cardiovascular devices: PEEK's heat and chemical resistance is suitable for cardiovascular device manufacturing, heart valves, vascular stent lamps,

Housing tools: The durability and high temperature resistance of PEEK make it ideal for manufacturing surgical tools and instruments, such as scalpel handles, endoscopes, etc.,

The advancement of 3D printing technology has further developed the combination of PEEK and medical devices, customized printing production, reduced material waste, reduced production costs, and is expected to be more widely used in medical devices.