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1. WO1997027959 - ARTICLES FOR AND METHODS OF MAKING STENTS

Publication Number WO/1997/027959
Publication Date 07.08.1997
International Application No. PCT/US1997/001488
International Filing Date 29.01.1997
Chapter 2 Demand Filed 25.08.1997
IPC
A61F 2/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/06 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02Prostheses implantable into the body
04Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
06Blood vessels
B21D 51/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
51Making hollow objects
02characterised by the structure of the objects
10conically or cylindrically shaped objects
CPC
A61F 2/88
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
88the wire-like elements formed as helical or spiral coils
A61F 2/91
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
90characterised by a net-like or mesh-like structure
91made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
A61F 2/915
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
90characterised by a net-like or mesh-like structure
91made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
915with bands having a meander structure, adjacent bands being connected to each other
A61F 2002/91533
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
90characterised by a net-like or mesh-like structure
91made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
915with bands having a meander structure, adjacent bands being connected to each other
91533characterised by the phase between adjacent bands
A61F 2002/91558
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
90characterised by a net-like or mesh-like structure
91made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
915with bands having a meander structure, adjacent bands being connected to each other
9155Adjacent bands being connected to each other
91558connected peak to peak
A61F 2230/0017
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2230Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
0002Two-dimensional shapes, e.g. cross-sections
0017Angular shapes
Applicants
  • MEDTRONIC, INC. [US]/[US]
Inventors
  • LUEHRS, Kirsten, F.
  • ZADNO-AZIZI, Gholam-Reza
  • GITTINGS, Darin, C.
  • TUROVSKIY, Roman
  • COX, Brian, J.
  • SHIU, Brian
  • HAYES, Michael, B.
  • COOMBS, Craig, J.
Agents
  • HESLIN, James, M.
Priority Data
08/593,51530.01.1996US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ARTICLES FOR AND METHODS OF MAKING STENTS
(FR) ARTICLES POUR LA FABRICATION D'EXTENSEURS ET PROCEDES ASSOCIES
Abstract
(EN)
A method for manufacturing radially expansible stents (21) from a planar sheet of material (31). Patterns (32) of closed interconnected elements (34) are formed in the sheet of material to provide individual planar networks as blanks for the stents. The planar networks are then reformed to produce cylindrically shaped stents. In another embodiment, a sheet of material (62) is cut to form patterns (61) therein with solid bottoms (63), and the solid bottoms are then deep-drawn using a punch (69). Various configurations for the interconnected elements are also disclosed.
(FR)
L'invention concerne un procédé de fabrication, à partir d'unefeuille plane d'un matériau (31), d'extenseurs (21) pouvant se dilater radialement. On forme des motifs (32) d'éléments fermés et reliés les uns aux autres (34) dans la feuille de matériau afin d'obtenir des réseaux plats individuels en tant que pièces découpées destinées aux extenseurs. On remet en forme ensuite les réseaux plats afin d'obtenir des extenseurs de forme cylindrique. Dans un autre mode de réalisation, on découpe une feuille de matériau (62) afin de former des motifs (61) dans celle-ci en conservant une partie centrale solide que l'on découpe par emboutissage profond à l'aide d'un poinçon (69). On décrit également plusieurs configurations d'éléments reliés les uns aux autres.
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