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1. EP2806893 - A DRUG DELIVERY SYSTEM

Office
European Patent Office
Application Number 13702817
Application Date 22.01.2013
Publication Number 2806893
Publication Date 03.12.2014
Publication Kind B1
IPC
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
A61F 6/14
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
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 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
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
A61P 15/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
15Drugs for genital or sexual disorders
Applicants BAYER OY
Inventors LYYTIKÄINEN HEIKKI
JUKARAINEN HARRI
Designated States
Priority Data 20125069 23.01.2012 FI
Title
(DE) WIRKSTOFFFREISETZUNGSSYSTEM
(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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