Polyurethanes and Their Biomedical Applications

Area of Science:

• Biomaterials Science
• Polymer Chemistry
• Biomedical Engineering

Background:

• Polyurethanes (PUs) exhibit tunable mechanical properties and biocompatibility, making them suitable for biomedical applications.
• Surface modification of PUs can mitigate issues like platelet absorption and thrombus formation.
• Growing interest in biobased polyurethanes addresses sustainability concerns in material development.

Purpose of the Study:

• To review synthesis methods, physicochemical properties, and degradation pathways of polyurethanes.
• To summarize recent advances in applying various polyurethanes in diverse biomedical fields.
• To discuss challenges and future prospects for novel polyurethane materials in clinical translation.

Main Methods:

• Literature review of polyurethane synthesis and characterization.
• Analysis of studies on polyurethane applications in cardiovascular devices, internal organ implants, and tissue engineering.
• Examination of research on degradation mechanisms and biobased polyurethane development.

Main Results:

• PUs are widely used in cardiovascular applications and as implantable materials due to their favorable biocompatibility and stability.
• Polyurethanes show significant potential in bone tissue engineering as injectable grafts and scaffolds.
• Recent progress covers applications from wound repair to orthopedic implants like hip replacements.

Conclusions:

• Polyurethanes are versatile biomaterials with established and emerging applications.
• Further research into biobased PUs and addressing degradation are key for future development.
• Overcoming translational challenges is crucial for the clinical adoption of novel polyurethane materials.