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AMET has developed its proprietary multi-axial scaffold extrusion (MASE) technology as the platform for the development and manufacturing of bioresorbable stents. A number of US and Chinese patents have been granted for this technology, including the patents "method and equipment for preparing three-dimensional porous tubular stent" (US 11305501B2 and ZL2010800025691) and "method and application of forming biodegradable polymeric stents"(ZL201410086319).

At present, most vascular stent products are prepared by laser cutting technology that first requires the preparation of thin-walled tubes to be laser-cut to produce stents with specific structures. As an alternative, the MASE technology developed by AMET is based on additive manufacturing commonly know as 3D Printing in which an in-house custom made MASE equipment extrudes a thin fiber to form a vascular stent onto a rotating mandrel (4th axis) in a wide range of sizes directly from a biodegradable raw material (pellets). It is truely an innovative biomedical application for the additive manufacturing field.

Demonstration of Bioresorbable Stent Manufacturing by Multi-Axial Scaffold Extrusion (MASE) Technology Developed by AMET

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