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1. (WO2019025265) STENT
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Pub. No.: WO/2019/025265 International Application No.: PCT/EP2018/070218
Publication Date: 07.02.2019 International Filing Date: 25.07.2018
IPC:
A61F 2/90 (2013.01) ,D04C 1/06 (2006.01) ,A61F 2/848 (2013.01) ,A61F 2/04 (2013.01) ,A61B 17/11 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS 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
2
Filters 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
82
Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86
Stents in a form characterised by wire-like elements; Stents in a form characterised by a net-like or mesh-like structure
90
characterised by a net-like or mesh-like structure
D TEXTILES; PAPER
04
BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
C
BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
1
Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
06
Braid or lace serving particular purposes
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS 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
2
Filters 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
82
Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
848
having means for fixation to the vessel wall, e.g. barbs
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS 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
2
Filters 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
02
Prostheses implantable into the body
04
Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
03
for closing wounds, or holding wounds closed, e.g. surgical staples; Accessories for use therewith
11
for performing anastomosis; Buttons for anastomosis
Applicants:
NOVATECH SA [FR/FR]; 1058 Voie Antiope - Zl Athélia III 13705 La Ciotat Cedex, FR
Inventors:
SIEGNER, Georg; DE
Agent:
KSOLL, Peter; DE
Priority Data:
10 2017 117 439.701.08.2017DE
Title (EN) STENT
(FR) STENT
(DE) STENT
Abstract:
(EN) The invention relates to a stent having a center length section (M) and two end sections (E1, E2) and having an elastically deformable woven wire mesh, which enables the stent (1) to expand from a small diameter to a larger diameter, wherein the diameter of the end sections (E1, E2) is larger than in the center length section (M) in the expanded state. According to the invention, the wire extends (2) in a zig-zag manner, coming from an outer end (7) of the one end section (E1) toward the outer end (6) of the other end section (E2), and back to the original end section (E1) from there in a zig-zag manner, wherein the peripheral direction of the woven wire (2) changes at the transition from an end section (E1, E2) to the center length section (M), such that the wire (2) intersects on the return path to the first end section (E1) in the center length section (M) and, in total, forms a figure eight-shaped loop (2) having two closed eyes (4, 5), wherein a plurality of loops (3), which are connected to each other, are arranged offset to each other over the circumference (U).
(FR) La présente invention concerne un stent présentant un segment longitudinal central (M) et deux segments terminaux (E1, E2) et un tissu métallique élastiquement déformable qui permet au stent (1) de se dilater pour passer d'un petit diamètre à un plus gros diamètre, le diamètre des segments terminaux (E1, E2) étant plus gros à l'état dilaté que dans le segment longitudinal central (M). Le fil métallique (2) s'étend en zigzag d'une extrémité extérieure (7) du premier segment terminal (E1) en direction de l'extrémité extérieure (6) de l'autre segment terminal (E2) et revenant de là en zigzag vers le segment terminal (E1) d'origine, la direction circonférentielle du fil tissé (2) se modifiant respectivement lors de la transition d’un segment terminal (E1, E2) dans le segment longitudinal central (M), de telle sorte que le fil (2) se croise dans le segment longitudinal central (M) sur le chemin retour vers le premier segment terminal (E1) et forme globalement une boucle (3) en forme de 8 avec deux cavités fermées (4, 5), plusieurs boucles (3) reliées les unes aux autres étant agencées sur la circonférence (U) de manière décalée les unes des autres.
(DE) Stent mit einem mittleren Längenabschnitt (M) und zwei Endabschnitten (E1, E2) und mit einer elastisch verformbaren Drahtgewebe, das es dem Stent (1) ermöglicht, von einem kleinen Durchmesser auf einen größeren Durchmesser zu expandieren, wobei der Durchmesser der Endabschnitte (E1, E2) im expandierten Zustand größer als im mittleren Längenabschnitt (M) ist. Der Draht verläuft (2) Zickzack-förmig von einem äußeren Ende (7) des einen Endabschnitts (E1) kommend hin in Richtung des äußeren Endes (6) des anderen Endabschnitts (E2) und von dort Zickzack-förmig zurück zum ursprünglichen Endabschnitt (E1), wobei sich jeweils beim Übergang von einem Endabschnitt (E1, E2) in den mittleren Längenabschnitt (M) die Umfangsrichtung des gewebten Drahtes (2) ändert, so dass sich der Draht (2) auf dem Rückweg zum ersten Endabschnitt (E1) in dem mittleren Längenabschnitt (M) kreuzt und insgesamt eine 8-förmige Schlaufe (3) mit zwei geschlossenen Augen (4, 5) bildet, wobei mehrere miteinander verbundene Schlaufen (3) über den Umfang (U) zueinander versetzt angeordnet sind.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)