Aneurysm Coil Manufacturing: Techniques and Materials

Micro-manufacturing of aneurysm coils is vital in treating intracranial aneurysms. These tiny coils require specialized techniques and materials to produce incredibly small scale parts. This article explores intriguing aspects of aneurysm coil manufacturing, including micro wire coiling, heat treating, welding, grinding, and surface treatment. Utilizing round or ribbon wire and specialized micro-metals like tungsten, platinum-iridium, titanium, tantalum, nickel, rhenium, niobium, gold, platinum, and palladium, these advancements enhance design possibilities and fuel medical innovation.

Wire Coiling:

For precision in aneurysm coil manufacturing, wire coiling is a fundamental method employed in the manufacturing process of aneurysm coils. This technique involves tightly winding round or ribbon wire to create the desired coil structure. With the aid of advanced machinery and computer-controlled processes, parts are made with precise dimensions and geometries, ensuring optimal coil performance during deployment. The ability to create these intricate coil shapes allows for tailored treatments that optimize patient-specific requirements.

Heat Treating of Aneurysm Coil Material

To enhance mechanical properties, heat treating is a crucial step in aneurysm coil manufacturing. By subjecting coils to controlled heating and cooling cycles, their mechanical properties are modified and enhanced. Heat treating improves shape memory, flexibility, and biocompatibility, ensuring the coil can withstand mechanical stresses during deployment without compromising structural integrity. These enhanced properties contribute to successful outcomes and reduce the risk of complications.

Welding and Grinding Aneurysm Coil Ends

To ensure coil integrity and smooth surfaces welding and grinding techniques are essential in joining and refining the complex structures of aneurysm coils. Welding securely attaches components such as connectors and markers to the coil, while maintaining the coil’s integrity. Precision welding techniques minimize thermal damage or distortion. Grinding is employed to smoothen rough edges and irregularities, ensuring uniform surfaces and biocompatibility. These processes enhance the safety and effectiveness of the coil during deployment and minimize the risk of adverse reactions.

Surface Cleaning and Deburring

Surface cleaning and deburring are crucial steps in the manufacturing of aneurysm coils. Ultrasonic cleaning effectively remove contaminants and oxides from the coil surface, ensuring optimal cleanliness. This thorough cleaning process helps to enhance biocompatibility and reduce the risk of adverse reactions when the coils are used in medical procedures. Additionally, polishing further refines the part surfaces by removing burrs and irregularities, resulting in a smooth and precise finish. By incorporating these advanced techniques into the manufacturing process, aneurysm coils can meet stringent quality standards, and helps to ensure their reliability and effectiveness in the treatment of aneurysms.

Material Innovations

Manufacturers continually explore innovative materials to enhance aneurysm coil design and performance in order to expand possibilities. Rare metals, including rhenium, niobium, and nickel, offer unique mechanical properties and biocompatibility suitable for specific applications. Furthermore, composite alloys based on rare earth or rare metals provide opportunities for tailoring flexibility, radiopacity, and shape memory to individual patient requirements. These material innovations expand the possibilities for optimizing aneurysm coil design and treatment outcomes.

In need of Micro Aneurysm Coils?

  • Miniature Coils
  • OD < 30μm
  • Wire Dia as small as 7μm