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Multi-Scale Modification of Metallic Implants With Pore Gradients, Polyelectrolytes and Their Indirect Monitoring In vivo
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Modification of polyetheretherketone implants: From enhancing bone integration to enabling multi-modal therapeutics
Miaomiao He1, Yong Huang1, Huan Xu2
1Analytical & Testing Center, Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China.
Acta Biomaterialia
|May 21, 2021
Summary
Polyetheretherketone (PEEK) implants are evolving beyond mechanical support. Recent advancements focus on modifying PEEK for enhanced bone integration, infection control, and cancer therapy, paving the way for next-generation medical devices.
Area of Science:
- Biomaterials Science
- Medical Device Engineering
- Polymer Science
Background:
- Polyetheretherketone (PEEK) is a widely used biomaterial in implants, valued for its mechanical strength and thermal stability.
- Despite its success, PEEK's bioinertness limits its efficacy in bone repair applications.
- The demand for advanced medical treatments necessitates PEEK modifications for improved therapeutic functions.
Purpose of the Study:
- To provide a comprehensive review of Polyetheretherketone (PEEK)-based biomedical devices developed in the last decade.
- To highlight the recent focus on modifying PEEK for multi-modal therapeutic applications.
- To guide future research and development of next-generation PEEK healthcare products.
Main Methods:
- Literature review of PEEK-based biomedical device development over the past 10 years.
- Analysis of PEEK modification strategies for enhanced bioactivity, anti-infection, anti-inflammation, and anti-cancer properties.
- Examination of advancements in PEEK manufacturing technologies for patient-specific devices.
Main Results:
- PEEK modification has expanded from mechanical enhancement to include bioactivity, osteointegration, anti-bacterial, anti-inflammatory, and anti-cancer functionalities.
- Significant progress in PEEK processing and modification techniques supports its diverse biomedical applications.
- Emerging applications focus on multi-modal therapeutics, addressing complex clinical needs.
Conclusions:
- Recent advancements in PEEK modification are enabling multi-modal therapeutic functions for biomedical devices.
- The review provides a timely update on the state-of-the-art in PEEK-based healthcare innovations.
- Future research should leverage these advancements for developing next-generation PEEK implants with enhanced patient outcomes.

