CA2165282C - Systeme d'administration intravaginal - Google Patents
Systeme d'administration intravaginal Download PDFInfo
- Publication number
- CA2165282C CA2165282C CA002165282A CA2165282A CA2165282C CA 2165282 C CA2165282 C CA 2165282C CA 002165282 A CA002165282 A CA 002165282A CA 2165282 A CA2165282 A CA 2165282A CA 2165282 C CA2165282 C CA 2165282C
- Authority
- CA
- Canada
- Prior art keywords
- sleeve
- support means
- delivery system
- active agent
- core member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000013543 active substance Substances 0.000 claims abstract description 37
- 229920000642 polymer Polymers 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- -1 polysiloxane Polymers 0.000 claims description 12
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 5
- 238000011282 treatment Methods 0.000 claims description 5
- 230000005012 migration Effects 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000583 progesterone congener Substances 0.000 claims description 2
- 229920002397 thermoplastic olefin Polymers 0.000 claims description 2
- 230000003054 hormonal effect Effects 0.000 claims 1
- 229920002725 thermoplastic elastomer Polymers 0.000 claims 1
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
- 229940079593 drug Drugs 0.000 description 22
- 239000003814 drug Substances 0.000 description 22
- 239000000243 solution Substances 0.000 description 12
- 239000011159 matrix material Substances 0.000 description 11
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 8
- 239000010410 layer Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 210000001215 vagina Anatomy 0.000 description 3
- VOXZDWNPVJITMN-ZBRFXRBCSA-N 17β-estradiol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 VOXZDWNPVJITMN-ZBRFXRBCSA-N 0.000 description 2
- 238000011284 combination treatment Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229940088597 hormone Drugs 0.000 description 2
- 239000005556 hormone Substances 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- WWYNJERNGUHSAO-XUDSTZEESA-N (+)-Norgestrel Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 WWYNJERNGUHSAO-XUDSTZEESA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003433 contraceptive agent Substances 0.000 description 1
- 230000002254 contraceptive effect Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229960005309 estradiol Drugs 0.000 description 1
- 239000000262 estrogen Substances 0.000 description 1
- 230000001076 estrogenic effect Effects 0.000 description 1
- 239000000727 fraction Substances 0.000 description 1
- 230000002538 fungal effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229960004400 levonorgestrel Drugs 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000009245 menopause Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 230000001072 progestational effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—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
- A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
- A61F6/06—Contraceptive devices; Pessaries; Applicators therefor for use by females
- A61F6/08—Pessaries, i.e. devices worn in the vagina to support the uterus, remedy a malposition or prevent conception, e.g. combined with devices protecting against contagion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0034—Urogenital system, e.g. vagina, uterus, cervix, penis, scrotum, urethra, bladder; Personal lubricants
- A61K9/0036—Devices retained in the vagina or cervix for a prolonged period, e.g. intravaginal rings, medicated tampons, medicated diaphragms
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Reproductive Health (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Vascular Medicine (AREA)
- Gynecology & Obstetrics (AREA)
- Urology & Nephrology (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Medicinal Preparation (AREA)
Abstract
La présente invention concerne un système intravaginal d'apport d'agent actif, qui comprend un support flexible et un élément d'apport, ce dernier étant placé sur le support et contenant un agent actif. Les caractéristiques de ce système sont les suivantes: le support (1) se compose d'un corps central (1') ayant essentiellement la forme d'un anneau ouvert, et l'élément d'apport se compose d'au moins une gaine polymère (2) qui entoure une partie de la longueur de ce corps central.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI932789 | 1993-06-17 | ||
| FI932789A FI95768C (fi) | 1993-06-17 | 1993-06-17 | Emättimensisäinen antosysteemi |
| PCT/FI1994/000255 WO1995000199A1 (fr) | 1993-06-17 | 1994-06-15 | Systeme intravaginal d'apport d'agent actif |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2165282A1 CA2165282A1 (fr) | 1995-01-05 |
| CA2165282C true CA2165282C (fr) | 2006-10-10 |
Family
ID=37110365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002165282A Expired - Fee Related CA2165282C (fr) | 1993-06-17 | 1994-06-15 | Systeme d'administration intravaginal |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2165282C (fr) |
-
1994
- 1994-06-15 CA CA002165282A patent/CA2165282C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2165282A1 (fr) | 1995-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20120615 |