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1. WO2013110856 - A DRUG DELIVERY SYSTEM

Publication Number WO/2013/110856
Publication Date 01.08.2013
International Application No. PCT/FI2013/050068
International Filing Date 22.01.2013
IPC
A61K 47/02 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
02Inorganic compounds
A61F 6/14 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
6Contraceptive devices; Pessaries; Applicators therefor
06for use by females
14intra-uterine type
A61P 15/18 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
15Drugs for genital or sexual disorders; Contraceptives
18Feminine contraceptives
CPC
A61K 47/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
47Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
02Inorganic compounds
A61K 9/0024
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0012Galenical forms characterised by the site of application
0019Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
0024Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue
A61K 9/0036
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0012Galenical forms characterised by the site of application
0034Urogenital system, e.g. vagina, uterus, cervix, penis, scrotum, urethra, bladder; Personal lubricants
0036Devices retained in the vagina or cervix for a prolonged period, e.g. intravaginal rings, medicated tampons, medicated diaphragms
A61K 9/0039
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0012Galenical forms characterised by the site of application
0034Urogenital system, e.g. vagina, uterus, cervix, penis, scrotum, urethra, bladder; Personal lubricants
0039Devices retained in the uterus for a prolonged period, e.g. intrauterine devices for contraception
A61K 9/0092
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0087Galenical forms not covered by A61K9/02 - A61K9/7023
0092Hollow drug-filled fibres, tubes of the core-shell type, coated fibres, coated rods, microtubules, nanotubes
A61M 31/002
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
31Devices for introducing or retaining media, e.g. remedies, in cavities of the body
002Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
Applicants
  • BAYER OY [FI]/[FI]
Inventors
  • LYYTIKÄINEN, Heikki
  • JUKARAINEN, Harri
Agents
  • OY JALO ANT-WUORINEN AB
Priority Data
2012506923.01.2012FI
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) A DRUG DELIVERY SYSTEM
(FR) SYSTÈME D'ADMINISTRATION DE MÉDICAMENT
Abstract
(EN) The present invention provides a novel drug delivery system for the controlled release of therapeutically active substances at a predetermined, essentially constant release rate over a prolonged period of time. The delivery system comprises at least one core comprising said therapeutically active substance(s), at least one membrane encasing the core and an intermediary layer of a substantially inert material, wherein the intermediary layer is applied between the core and the membrane or between two membrane layers.
(FR) La présente invention concerne un nouveau système d'administration de médicament pour la libération contrôlée de substances thérapeutiquement actives, à une vitesse de libération prédéfinie et sensiblement constante sur une durée prolongée. Ledit système d'administration comprend au moins un centre qui inclut ladite ou lesdites substances thérapeutiquement actives, au moins une membrane recouvrant le centre, et une couche intermédiaire d'un matériau sensiblement inerte, ladite couche intermédiaire étant appliquée entre le centre et la membrane ou entre deux couches de membranes.
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