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Polymeric Biomaterials for Medical Implants and Devices
Adrian J T Teo1, Abhinay Mishra1, Inkyu Park2
1School of Mechanical & Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798.
ACS Biomaterials Science & Engineering
|January 20, 2021
Summary
This review explores polymeric materials for biomedical implants, focusing on their use in device packaging and substrates. Key properties like biocompatibility, strength, and permeability are crucial for implant longevity and function.
Area of Science:
- Biomedical Engineering
- Materials Science
- Polymer Science
Background:
- Biomedical implantable devices require specialized materials for substrates and packaging.
- Polymeric materials offer advantages such as ease of fabrication, flexibility, and biocompatibility.
- These materials must possess specific mechanical, electrical, chemical, and thermal properties for optimal performance.
Purpose of the Study:
- To review various polymeric materials utilized in biomedical implantable devices.
- To discuss the critical material requirements for device packaging and substrates.
- To evaluate the suitability of different polymers and composites for biomedical applications.
Main Methods:
- Literature review of papers published between 2010 and 2015.
- Examination of synthetic polymeric materials including polyvinylidene fluoride, polyethylene, polypropylene, polydimethylsiloxane, parylene, polyamide, polytetrafluoroethylene, poly(methyl methacrylate), polyimide, and polyurethane.
- Evaluation of liquid crystalline polymers and nanocomposites as biomaterials for biomedical packaging.
Main Results:
- Polymeric materials are extensively used due to their versatile properties and biocompatibility.
- Packaging polymers require specific gas and water permeability to protect internal electronics from bodily fluids.
- Substrate materials prioritize structural integrity and sometimes electrical properties for device function.
Conclusions:
- The selection of appropriate polymeric materials is critical for the success and longevity of biomedical implants.
- Advanced materials like liquid crystalline polymers and nanocomposites show promise for future biomedical packaging applications.
- Continued research into novel polymeric materials will drive innovation in implantable device technology.
