TUBULAR BODIES FOR MEDICAL DELIVERY DEVICES AND RELATED MANUFACTURING METHODS

A tubular wall, which may be employed in a medical catheter or medical electrical lead, is formed by stranding together a plurality of polymer fibers and at least one metal filar, wherein the stranding forms a braid matrix of the polymer fibers and a coil of the metal filar interlaced therewith. The...

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Bibliographische Detailangaben
Hauptverfasser:	Gardeski Kenneth C, Horrigan John B, Mannion Madeline A
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE 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:	A tubular wall, which may be employed in a medical catheter or medical electrical lead, is formed by stranding together a plurality of polymer fibers and at least one metal filar, wherein the stranding forms a braid matrix of the polymer fibers and a coil of the metal filar interlaced therewith. Then, while the braid matrix secures a pitch of the coil, a polymer material is extruded around an entire length of the tubular wall, and, in some cases, the extrusion process causes the plurality of polymer fibers to melt and coalesce together with one another, while the pitch of the coil is maintained. Alternately, a reflow process, which follows extrusion, causes the polymer fibers to melt and coalesce along all, or just a discrete length of the tubular wall.