Process for synthetic vascular implants
First Claim
1. THE PROCESS FOR MAKING PROSTHETIC VASCULAR IMPLANTS WHICH COMPRISES WEAVING A TUBULAR BLANK OF MULTIFILAMENT SYNTHEIC WRAP AND FILLING YARNS, MOISTENING AND PASSING THE WOVEN BLANK ONTO A CYLINDRICAL HEAT-EXPANSIBLE MANDREL OF FULL FILLING DIAMETRAL SIZE, PROGRESSIVELY AXIALLY COMPRESSNG THE BLANK THEREON AND SIMULTANEOUSLY CREATING A LONGITUDINAL ARRAY OF CIRCUMFERENTIAL PLEAT-FORMING CRIMPS OF MAXIMUM EXTERNAL PROJECTIVE EXTERNAL LESS THAN A RADIUS OF THE TUBE AND COMPACTING CONTIGUOUS CRIMPS INTO GENERAL TOUCHING RELATION OF THE RADIAL WALLS THEREOF FOR FORMING THE BLANK INTO AN EXTERNALLY MICRO-CRIMPED IMPLANT TUBE OF APPROXIMATELY ONE-FOURTH THE INITIAL BLANK LENGTH, HEATING THE ASSEMBLY OF MANDREL-CARRIED MICROCRIMPED IMPLANT IN THE PRESENCE OF MOISTURE, COOLING SAID
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Accused Products
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Citations
1 Claim
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1. THE PROCESS FOR MAKING PROSTHETIC VASCULAR IMPLANTS WHICH COMPRISES WEAVING A TUBULAR BLANK OF MULTIFILAMENT SYNTHEIC WRAP AND FILLING YARNS, MOISTENING AND PASSING THE WOVEN BLANK ONTO A CYLINDRICAL HEAT-EXPANSIBLE MANDREL OF FULL FILLING DIAMETRAL SIZE, PROGRESSIVELY AXIALLY COMPRESSNG THE BLANK THEREON AND SIMULTANEOUSLY CREATING A LONGITUDINAL ARRAY OF CIRCUMFERENTIAL PLEAT-FORMING CRIMPS OF MAXIMUM EXTERNAL PROJECTIVE EXTERNAL LESS THAN A RADIUS OF THE TUBE AND COMPACTING CONTIGUOUS CRIMPS INTO GENERAL TOUCHING RELATION OF THE RADIAL WALLS THEREOF FOR FORMING THE BLANK INTO AN EXTERNALLY MICRO-CRIMPED IMPLANT TUBE OF APPROXIMATELY ONE-FOURTH THE INITIAL BLANK LENGTH, HEATING THE ASSEMBLY OF MANDREL-CARRIED MICROCRIMPED IMPLANT IN THE PRESENCE OF MOISTURE, COOLING SAID
Specification
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Current AssigneeWilliam J. Liebig
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Original AssigneeWilliam J. Liebig
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InventorsLiebig, William J.
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Application NumberUS03/775,522Time in Patent Office1,691 DaysField of SearchUS Class Current28/143CPC Class CodesA61F 2/06 Blood vesselsA61F 2002/065 Y-shaped blood vesselsY10S 623/903 Blood vessel
