18 Oct Navigating Biomedical Textiles: Innovation and Customization
Biomedical textiles are creating new opportunities for less invasive procedures, offering tailored solutions across a spectrum of applications, from cardiovascular surgeries to knee and spine repair. Cortland Biomedical’s Michelle Lishner, sales engineer II, shares her expertise on the intricate world of biomedical textiles, exploring the critical importance of material selection, the nuances of advanced textile design techniques, the evolutionary trajectory of the industry, and the diverse applications in surgical practice.
Material Selection and Customization
The selection of materials for biomedical textiles is a meticulous process guided by stringent criteria to ensure optimal performance, biocompatibility, and durability. Common materials such as polyesters, expanded polytetrafluoroethylene (ePTFE), ultra-high molecular weight polyethylene (UHMWPE), aramids, and resorbable materials are chosen based on their mechanical properties, compatibility with biological tissues, and intended application.
Material customization plays a pivotal role in tailoring biomedical textiles to meet specific design criteria. This process involves the careful consideration of factors such as yarn type, size, and structure. Understanding the unique properties of each material and its intended function within the body is paramount for achieving optimal patient outcomes. Customization enables biomedical textiles to address the diverse requirements of orthopedic, cardiovascular, and tissue engineering applications and even be tailored for the unique needs of the patient – such as gender, age and fitness/activity level — where off-the-shelf solutions may fall short or be unnecessarily invasive.
Advanced Techniques in Textile Design
Innovations in textile design have propelled the field of biomedical textiles to new heights, allowing for the creation of intricate structures with unparalleled precision and scalability. Techniques such as warp knitting, low-density braiding, 3D braiding, and weaving technologies have expanded the possibilities for fabricating textiles with tailored properties and structures.
Warp knitting, renowned for its flexibility and burst strength, offers unparalleled control over fabric architecture, allowing for the precise manipulation of pore size, density, and mechanical properties.
Low-density braiding, characterized by its flexibility and durability, is ideally suited for applications requiring low profile assemblies and high tensile strength, such as sutures and vascular implants. Innovations in 3D and branch braiding have revolutionized the design of biomedical textiles, offering unlimited possibilities for creating complex structures with tailored properties.
Advancements in weaving machinery and software enable the production of intricate woven patterns and structures, opening the door to creating unique textile devices with high strength and stability.
Industry Evolution
The biomedical textiles industry has undergone a remarkable transformation, propelled by advancements in equipment, technology, and manufacturing processes. From traditional mechanical looms to state-of-the-art computer-controlled systems, the evolution of textile production has revolutionized the speed, precision, and customization capabilities of biomedical textiles.
State-of-the-art looms equipped with electronic systems allow for rapid pattern changes, immediate error detection, and precise fabric production. Collaborations with global leaders in weaving equipment design and manufacturing have enabled companies like Cortland Biomedical to remain agile and responsive to customer needs, driving innovation in medical device development.
Surgical Applications
Biomedical textiles serve as indispensable tools across a wide spectrum of surgical procedures, providing crucial support, reinforcement, and tissue compatibility. The versatility and adaptability of these textiles make them vital in various surgical applications, contributing to improved procedural outcomes and patient recovery.
In orthopedic surgery, biomedical textiles play a pivotal role in the repair and reconstruction of soft tissue injuries, such as ligament tears and tendon ruptures. Textile-based implants, including grafts and meshes, offer structural support and promote tissue integration, facilitating the healing process and restoring biomechanical function. Additionally, customized textiles can be tailored to match the specific anatomical requirements of each patient, ensuring optimal fit and long-term durability.
In cardiovascular surgery, biomedical textiles find widespread use in the fabrication of vascular grafts, heart valve prostheses, and stent grafts. These textiles must exhibit exceptional strength, flexibility, and biocompatibility to withstand the dynamic environment of the cardiovascular system. Advanced weaving and braiding techniques enable the production of intricate textile structures with precise mechanical properties, allowing for seamless integration within the circulatory system and minimizing the risk of thrombosis or rejection.
In minimally invasive surgery and interventional procedures, biomedical textiles play an important role in the development of specialized devices and delivery systems. Textile-based components in catheters, guidewires, and embolic protection devices, can offer precise control and maneuverability within the body, enabling clinicians to perform intricate procedures with minimal trauma to surrounding tissues. The flexibility and durability of these textiles ensure reliable performance in demanding clinical settings, enhancing patient safety and procedural success rates.
Biomedical textiles also play a crucial role in tissue engineering and regenerative medicine, where they serve as scaffolds for cell growth, tissue regeneration, and organ transplantation. Porous, biocompatible textiles provide a supportive framework for cell attachment, proliferation, and differentiation, facilitating the formation of functional tissue constructs. Customized scaffolds can be engineered to mimic the native extracellular matrix, promoting tissue integration and vascularization for enhanced healing and tissue regeneration.
Conclusion
Innovation and customization are creating new and exciting possibilities for how biomedical textiles can be used to support cutting-edge, less invasive procedures that may result in fewer complications and shorter recovery time for the patient. From state-of-the-art weaving technologies to advanced braiding processes, the field of biomedical textiles continues to evolve, offering tailored solutions for an array of medical applications.
By harnessing the power of advanced textile design techniques and fostering collaboration across industry boundaries, we can unlock new frontiers in medical innovation, ultimately enhancing patient care and shaping the future of healthcare.
Learn more about Cortland Biomedical’s innovative capabilities.