×

Process for synthetic vascular implants

  • US 3,096,560 A
  • Filed: 11/21/1958
  • Issued: 07/09/1963
  • Est. Priority Date: 11/21/1958
  • Status: Expired due to Term
First Claim
Patent Images

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

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×