The inherent disadvantages of traditional non-flexible aerogels, such as high fragility and moisture sensitivity, severely restrict their applications. To address these issues and make the aerogels efficient, especially for advanced medical applications, different techniques have been used to incorporate flexibility in aerogel materials. In recent years, a great boom in flexible aerogels has been observed, which has enabled them to be used in high-tech biomedical applications. The current study comprises a comprehensive review of the preparation techniques of pure polymeric-based hybrid and single-component aerogels and their use in biomedical applications. The biomedical applications of these hybrid aerogels will also be reviewed and discussed, where the flexible polymeric components in the aerogels provide the main contribution. The combination of highly controlled porosity, large internal surfaces, flexibility, and the ability to conform into 3D interconnected structures support versatile properties, which are required for numerous potential medical applications such as tissue engineering; drug delivery reservoir systems; biomedical implants like heart stents, pacemakers, and artificial heart valves; disease diagnosis; and the development of antibacterial materials. The present review also explores the different mechanical, chemical, and physical properties in numerical values, which are most wanted for the fabrication of different materials used in the biomedical fields.

Department of Advanced Materials Institute for Nanomaterials Advanced Technologies and Innovation Technical University of Liberec 461 17 Liberec Czech Republic

Department of Basic Medical Sciences College of Medicine Prince Sattam Bin Abdulaziz University Alkharj 11942 Saudi Arabia

Department of Material Science Technical University of Liberec 461 17 Liberec Czech Republic

Department of Science and Research Faulty of Health Studies Technical University of Liberec 461 17 Liberec Czech Republic

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