In the development of prosthetics, polyester felt is used for creating comfortable and functional liners. Prosthetic liners are crucial for providing a secure and comfortable fit between the prosthetic device and the residual limb. Polyester felt liners offer a soft and breathable surface that reduces friction and pressure points, preventing skin irritation and ulcers. They can be customized to fit the unique shape and size of each patient’s residual limb, ensuring a snug and comfortable fit. Additionally, polyester felt liners can be integrated with sensors that monitor the pressure distribution and movement of the residual limb, providing valuable data for improving the design and functionality of the prosthetic device.​

For orthotics, polyester felt is used to create supportive and flexible insoles and braces. Orthotic insoles made from polyester felt can provide cushioning and support for the feet, helping to alleviate pain and discomfort caused by foot conditions such as plantar fasciitis, flat feet, or high arches. The material’s flexibility allows it to conform to the shape of the foot, providing personalized support. In orthotic braces, polyester felt is used to line the interior, providing a comfortable and non – abrasive surface that reduces skin irritation. These braces can be used to support and immobilize injured joints or muscles, promoting healing and recovery.​

In the field of surgical implants, polyester felt is being explored for its biocompatibility and mechanical properties. Some types of polyester felt have shown excellent biocompatibility, meaning they do not cause adverse reactions when in contact with biological tissues. This makes them suitable for use in certain types of implants, such as soft tissue repair materials. Researchers are also investigating the use of polyester felt in combination with other materials to create composite implants that offer enhanced strength and durability.​

Another area of innovation is in the development of rehabilitation devices. Polyester felt can be used to create straps, harnesses, and other components of rehabilitation equipment. These devices are designed to help patients regain strength, mobility, and function after an injury or illness. The use of polyester felt in these devices ensures comfort and safety during the rehabilitation process, encouraging patients to actively participate in their recovery.​

As the field of biomechanical engineering continues to advance, the demand for materials like polyester felt is expected to grow. With ongoing research and technological advancements, polyester felt is likely to play an increasingly important role in the development of more advanced and effective medical devices, improving the quality of life for patients with disabilities and injuries.