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Prosthetic socket is the device that link artificial limb with the amputee part. This work has been done on seven laminated composite were prepared by vacuum technique from Polyester resin reinforced with (Jute, Carbon, Glass, Perlon) fibers. The interaction between fibers and matrix material was studied using Fourier transform infrared (FTIR) spectroscopy. DSC test also had been studied for different laminated composite materials to make prosthetic socket. The infrared spectra result of the Polyester composite specimens with natural and synthetic fibers indicate that no additional new peak was observed. While DSC results showed the increase in the glass transition temperature (Tg) as the number of Jute layers increased and this may be related to the nature of Jute fibers. As well as Carbon lead to increase Tg but Glass fiber decreased Tg when added to natural fiber (Jute fiber). The composite specimen reinforced with three layers of Jute fibers plus four layers of Carbon fibers (3 Jute + 4 Carbon) had the highest Tg (107°C).

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 Laminated composite specimens of the prosthetic sockets were made by vacuum molding technique.  Types and No. of layers are most significant on the properties.  Using natural fibers represent an alternative material to synthetic fibers in the composite prosthetic socket.  The compression strength increased and the density decreased by using natural fibers.Polyester has been used as a prosthetic socket base. It is well documented that the raw material of the socket base should have exhibited good mechanical properties. Prosthetic socket is a device that connects an artificial limb with the amputee part. In this work, seven laminated composites were prepared using vacuum technique from polyester resin and reinforced with Jute, Carbon, Glass, and Perlon fibers. The objective of this study is to manufacture prosthetic sockets from different laminated composite materials (fibers reinforced polymer) to make high-strength and durable prosthetic socket design. The results showed that the best laminated composite specimens have three jute fiber layers with four carbon layers whose compression strength and hardness reach (67) MPa and (86) Shore-D, respectively. Also, the water absorption of the composite specimen of jute with carbon fibers is higher than that of the composite specimen of jute with glass fiber.

The surface has a vital function in the tissue's response to the presence of foreign material in the field of body implants. Surface modification with coatings can be adjusted to provide the highest service performance at the lowest cost. Coatings can increase corrosion resistance by reducing metal ion and corrosion product migration in the body. We fabricated polymer based bio-composite coatings by blending chitosan (Chi), alginate (Alg) and nanoparticles ((TiO2, Nb2O5) by dip coating onto a 316L stainless steel substrate. The coatings’ surface morphology and phases were studied using FESEM and FTIR analysis. The wettability behavior of the coated samples was also studied by investigating their contact wetting attributes. The antibacterial activity of the functionalized coatings was determined too. The FTIR results showed that the blending of Chi-Alg and nanoparticles was excellent, and no obvious differences in the spectra or any changes in the structures of the polymer matrices were observed. The SEM results demonstrated that the coating layers were uniform, homogeneous, and crack-free on the 316L Stianless steel substrate when using TiO2-Nb2O5 nano particles. The contact angle results showed the highly hydrophilic properties of the pure chitosan-alginate blend. As well, coatings containing nano particles showed the same antibacterial effect of chitosan-alginate blend coating.