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1. WO2020196912 - SYNTHETIC RESIN STENT AND STENT DELIVERY SYSTEM

Publication Number WO/2020/196912
Publication Date 01.10.2020
International Application No. PCT/JP2020/014487
International Filing Date 30.03.2020
IPC
A61F 2/848 2013.01
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
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
848having means for fixation to the vessel wall, e.g. barbs
A61F 2/852 2013.01
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
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
852Two or more distinct overlapping stents
A61F 2/89 2013.01
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
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86Stents in a form characterised by wire-like elements; Stents in a form characterised by a net-like or mesh-like structure
89the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
A61F 2/90 2013.01
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
82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
86Stents in a form characterised by wire-like elements; Stents in a form characterised by a net-like or mesh-like structure
90characterised by a net-like or mesh-like structure
A61F 2/966 2013.01
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
95Instruments specially adapted for placement or removal of stents or stent-grafts
962having an outer sleeve
966with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
Applicants
  • 株式会社ジェイ・エム・エス JMS CO., LTD. [JP]/[JP]
Inventors
  • 井手 純一 IDE Junichi
  • 福瀧 修司 FUKUTAKI Shuji
  • 西原 愛美 NISHIHARA Manami
Agents
  • 加藤 竜太 KATO Ryuta
  • 芝 哲央 SHIBA Tetsuo
Priority Data
2019-06312428.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) SYNTHETIC RESIN STENT AND STENT DELIVERY SYSTEM
(FR) ENDOPROTHÈSE EN RÉSINE SYNTHÉTIQUE ET SYSTÈME DE POSE D'ENDOPROTHÈSE
(JA) 合成樹脂ステント及びステントデリバリーシステム
Abstract
(EN)
Provided is a synthetic resin stent able to demonstrate self-extensibility, restorability, adhesion to the digestive tract, and ability to follow peristaltic movement. A synthetic resin stent 1 is provided with: a first stent 2 that has a first stent body 3 formed as a cylindrical mesh from fibers made of synthetic resin, and that can be deformed from a reduced-diameter state to an expanded-diameter state; and a second stent 5 that is formed as a cylindrical mesh which is finer than that of the first stent body 3, is arranged so as to cover the outer periphery of the first stent body 3, and can be deformed from a reduced-diameter state to an expanded-diameter state.
(FR)
L'invention concerne une endoprothèse en résine synthétique qui peut démontrer une auto-extensibilité, une capacité de restauration, une adhérence au tube digestif et une aptitude à suivre un mouvement péristaltique. Une endoprothèse en résine synthétique (1) comprend : une première endoprothèse (2) qui comporte un premier corps d'endoprothèse (3) présentant la forme d'un maillage cylindrique en fibres constituées de résine synthétique, et qui peut être déformée d'un état au diamètre réduit à un état au diamètre étendu ; et une seconde endoprothèse qui se présente sous la forme d'un maillage cylindrique qui est plus fin que celui du premier corps d'endoprothèse, est agencée de façon à recouvrir la périphérie externe du premier corps d'endoprothèse (3), et peut être déformée d'un état au diamètre réduit à un état au diamètre étendu.
(JA)
自己拡張性、復元性、消化管への密着性、蠕動運動に対する追従性を発揮可能な合成樹脂ステントを提供すること。 合成樹脂ステント1は、合成樹脂製の繊維によって網目を有する筒状に形成された第1ステント本体部3を有し、縮径した状態から拡径した状態に変形可能な第1ステント2と、第1ステント本体部3よりも密な網目を有する筒状に形成され、第1ステント本体部3の外周を覆うように配置され、縮径した状態から拡径した状態に変形可能な第2ステント5と、を備える。
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