SYSTEM AND METHOD FOR ADDITIVE MANUFACTURE OF MEDICAL DEVICES

An additive manufacturing system is capable of extruding poly-fiber strand having a fiber core coated with a polymer with a high range of flexibility in positioning and orienting extruded fibers. Extruded fibers may be laid in a single direction, or may curve or turn to be laid in multiple direction...

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Bibliographische Detailangaben
Hauptverfasser:	Hopson, Peyton L, Barre, Vincent H, Houser, Kevin L
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An additive manufacturing system is capable of extruding poly-fiber strand having a fiber core coated with a polymer with a high range of flexibility in positioning and orienting extruded fibers. Extruded fibers may be laid in a single direction, or may curve or turn to be laid in multiple directions. Structures of devices and components may be created using interconnected extruded strands having interstitial spaces between and around the strands. This structure may be infused with resin or polymer using a pressure or vacuum based infusion system. In this manner, durable polymeric objects can be created without requiring expensive molds. Other techniques are also possible, including varying the types of strands used in an object to create areas of the object that will preferentially twist or flex in certain ways or directions, as well as producing objects with zones having different types of resin or no resin.