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1. WO2017034478 - INTRAGASTRIC DEVICE FOR WEIGHT MANAGEMENT

Publication Number WO/2017/034478
Publication Date 02.03.2017
International Application No. PCT/SG2016/050402
International Filing Date 19.08.2016
IPC
A61F 5/00 2006.1
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
5Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices
CPC
A61B 2034/731
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
34Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
70Manipulators specially adapted for use in surgery
73Manipulators for magnetic surgery
731Arrangement of the coils or magnets
A61B 34/73
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
34Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
70Manipulators specially adapted for use in surgery
73Manipulators for magnetic surgery
A61F 5/003
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
5Orthopaedic methods or devices for non-surgical treatment of bones or joints
0003Apparatus for the treatment of obesity; Anti-eating devices
0013Implantable devices or invasive measures
003inflatable
A61F 5/0033
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
5Orthopaedic methods or devices for non-surgical treatment of bones or joints
0003Apparatus for the treatment of obesity; Anti-eating devices
0013Implantable devices or invasive measures
003inflatable
0033with more than one chamber
A61F 5/0046
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
5Orthopaedic methods or devices for non-surgical treatment of bones or joints
0003Apparatus for the treatment of obesity; Anti-eating devices
0013Implantable devices or invasive measures
0036Intragastrical devices
004remotely adjustable
0046with wireless means
A61L 31/14
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
31Materials for other surgical articles ; , e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
14Materials characterised by their function or physical properties ; , e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
Applicants
  • NANYANG TECHNOLOGICAL UNIVERSITY [SG]/[SG]
  • NATIONAL UNIVERSITY OF SINGAPORE [SG]/[SG]
Inventors
  • PHEE, Soo Jay Louis
  • DO, Thanh Nho
  • SEAH, Tian En, Timothy
  • HO, Khek Yu
Agents
  • ONG, Lucille Frances, Kheng Lu
Priority Data
10201506629W21.08.2015SG
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) INTRAGASTRIC DEVICE FOR WEIGHT MANAGEMENT
(FR) DISPOSITIF INTRAGASTRIQUE POUR LA PRISE EN CHARGE DU POIDS
Abstract
(EN) An intragastric device for weight management is disclosed, comprising a capsule configured to be readily swallowed; an inflation magnet within the capsule configured to slideably engage the capsule and move along the longitudinal axis of the capsule during activation of the intragastric device by an external magnet; a first chamber configured to store a first chemical; a second chamber configured to store a second chemical; a partition having a through hole configured to physically separate the first chamber from the second chamber, a separator sealing the through hole before the activation and unseal the through hole to allow a chemical reaction between the first chemical and the second chemical during the activation; a balloon secured to the capsule and collapsed against an outer surface of the capsule before the activation; and an expandable volume defined at least partially by the balloon and the outer surface of the capsule, wherein the expandable volume configured to expand when the balloon is inflated by a gaseous product of the chemical reaction. The device may include a deflation magnet to deflate the balloon and a flexible membrane connected to the inflation magnet to allow passage of the gas out of the balloon over time.
(FR) La présente invention concerne un dispositif intragastrique pour la prise en charge du poids, comprenant une capsule conçue pour être facilement avalée ; un aimant de gonflage à l'intérieur de la capsule conçu pour venir en contact en coulissement avec la capsule et se déplacer le long de l'axe longitudinal de la capsule pendant l'activation du dispositif intragastrique par un aimant externe ; une première chambre conçue pour stocker une première substance chimique ; une seconde chambre conçue pour stocker une seconde substance chimique ; une cloison présentant un trou traversant conçue pour séparer physiquement la première chambre de la seconde chambre, un séparateur scellant le trou traversant avant l'activation et descellant le trou traversant pour permettre la mise en œuvre d'une réaction chimique entre la première substance chimique et la seconde substance chimique pendant l'activation ; un ballonnet fixé à la capsule et aplati contre une surface externe de la capsule avant l'activation ; et un volume extensible défini au moins en partie par le ballonnet et la surface externe de la capsule, ledit volume extensible étant conçu pour s'étendre lorsque le ballonnet est gonflé par un produit gazeux de la réaction chimique. Ledit dispositif peut comprendre un aimant de dégonflage permettant de dégonfler le ballonnet et une membrane souple reliée à l'aimant de gonflage pour permettre le passage du gaz hors du ballonnet au cours du temps.
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