CA1252359A - Agent dispenser comprising a multiplicity of members performing as an integrated unitary system - Google Patents
Agent dispenser comprising a multiplicity of members performing as an integrated unitary systemInfo
- Publication number
- CA1252359A CA1252359A CA000472249A CA472249A CA1252359A CA 1252359 A CA1252359 A CA 1252359A CA 000472249 A CA000472249 A CA 000472249A CA 472249 A CA472249 A CA 472249A CA 1252359 A CA1252359 A CA 1252359A
- Authority
- CA
- Canada
- Prior art keywords
- dispenser
- capsule
- heat sensitive
- cellulose
- delivering
- 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
Links
- 239000000203 mixture Substances 0.000 claims abstract description 137
- 230000009286 beneficial effect Effects 0.000 claims abstract description 51
- 239000002775 capsule Substances 0.000 claims description 107
- 239000003795 chemical substances by application Substances 0.000 claims description 98
- 229920000642 polymer Polymers 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 43
- 238000009472 formulation Methods 0.000 claims description 36
- 229920002678 cellulose Polymers 0.000 claims description 28
- 239000001913 cellulose Substances 0.000 claims description 26
- -1 glycerol ester Chemical class 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 12
- 229920002301 cellulose acetate Polymers 0.000 claims description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 7
- 239000000017 hydrogel Substances 0.000 claims description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 5
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 5
- 230000008961 swelling Effects 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 150000005690 diesters Chemical class 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 3
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims description 3
- 239000007903 gelatin capsule Substances 0.000 claims description 3
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 3
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 2
- 229920003086 cellulose ether Polymers 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 229920001747 Cellulose diacetate Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 description 32
- 239000003814 drug Substances 0.000 description 30
- 229940079593 drug Drugs 0.000 description 26
- 230000003204 osmotic effect Effects 0.000 description 25
- 238000000034 method Methods 0.000 description 22
- 235000010980 cellulose Nutrition 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000002844 melting Methods 0.000 description 14
- 230000008018 melting Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 241001465754 Metazoa Species 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 11
- 229940081735 acetylcellulose Drugs 0.000 description 11
- 239000013583 drug formulation Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 239000007901 soft capsule Substances 0.000 description 11
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 10
- 238000011049 filling Methods 0.000 description 10
- 108010010803 Gelatin Proteins 0.000 description 9
- 239000008273 gelatin Substances 0.000 description 9
- 229920000159 gelatin Polymers 0.000 description 9
- 235000019322 gelatine Nutrition 0.000 description 9
- 235000011852 gelatine desserts Nutrition 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 239000007902 hard capsule Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000008172 hydrogenated vegetable oil Substances 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 150000003626 triacylglycerols Chemical class 0.000 description 4
- 229920001817 Agar Polymers 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- 239000008272 agar Substances 0.000 description 3
- 235000010419 agar Nutrition 0.000 description 3
- 235000013871 bee wax Nutrition 0.000 description 3
- 239000012166 beeswax Substances 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229940093430 polyethylene glycol 1500 Drugs 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- ZAMLGGRVTAXBHI-UHFFFAOYSA-N 3-(4-bromophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid Chemical compound CC(C)(C)OC(=O)NC(CC(O)=O)C1=CC=C(Br)C=C1 ZAMLGGRVTAXBHI-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 229920008347 Cellulose acetate propionate Polymers 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 241000282412 Homo Species 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 2
- 240000007472 Leucaena leucocephala Species 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 2
- 239000004147 Sorbitan trioleate Substances 0.000 description 2
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000013060 biological fluid Substances 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- 125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229940106135 cellulose Drugs 0.000 description 2
- 229940110456 cocoa butter Drugs 0.000 description 2
- 235000019868 cocoa butter Nutrition 0.000 description 2
- 229920000891 common polymer Polymers 0.000 description 2
- 229940035811 conjugated estrogen Drugs 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 235000019197 fats Nutrition 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 description 2
- 210000002425 internal capsule Anatomy 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
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- 229940022409 overtime Drugs 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N palmitic acid group Chemical group C(CCCCCCCCCCCCCCC)(=O)O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
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- 239000011148 porous material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 2
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- 235000003441 saturated fatty acids Nutrition 0.000 description 2
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 2
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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
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0004—Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Medicinal Preparation (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59182484A | 1984-03-21 | 1984-03-21 | |
| US591,824 | 1984-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1252359A true CA1252359A (en) | 1989-04-11 |
Family
ID=24368102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000472249A Expired CA1252359A (en) | 1984-03-21 | 1985-01-17 | Agent dispenser comprising a multiplicity of members performing as an integrated unitary system |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS60237016A (enrdf_load_stackoverflow) |
| CA (1) | CA1252359A (enrdf_load_stackoverflow) |
| DE (1) | DE3509743C2 (enrdf_load_stackoverflow) |
| ES (3) | ES285536Y (enrdf_load_stackoverflow) |
| FR (1) | FR2561628B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2155889B (enrdf_load_stackoverflow) |
| IT (2) | IT1184912B (enrdf_load_stackoverflow) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU591171B2 (en) * | 1983-11-02 | 1989-11-30 | Alza Corporation | Dispenser for delivering thermo-responsive composition |
| US4643731A (en) * | 1985-08-16 | 1987-02-17 | Alza Corporation | Means for providing instant agent from agent dispensing system |
| US4842867A (en) * | 1986-05-09 | 1989-06-27 | Alza Corporation | Pulsed drug delivery of doxylamine |
| US4723958A (en) * | 1986-05-23 | 1988-02-09 | Merck & Co., Inc. | Pulsatile drug delivery system |
| US4824675A (en) * | 1987-07-13 | 1989-04-25 | Alza Corporation | Dispenser with movable matrix comprising a plurality of tiny pills |
| GB2281697A (en) * | 1993-09-14 | 1995-03-15 | Euro Celtique Sa | Laxative compositions in capsules |
| DK106293D0 (da) * | 1993-09-22 | 1993-09-22 | Joergen Rasmussen | Kapsel til indbringning af laegemidler i kreaturmaver |
| ZA953078B (en) * | 1994-04-28 | 1996-01-05 | Alza Corp | Effective therapy for epilepsies |
| EP0768867B1 (en) * | 1994-06-13 | 2002-10-09 | Alza Corporation | Dosage form for administering drug in liquid formulation |
| US5904935A (en) * | 1995-06-07 | 1999-05-18 | Alza Corporation | Peptide/protein suspending formulations |
| US6551613B1 (en) * | 1998-09-08 | 2003-04-22 | Alza Corporation | Dosage form comprising therapeutic formulation |
| EP1112060B1 (en) * | 1998-09-09 | 2005-12-07 | ALZA Corporation | Dosage form comprising liquid formulation |
| DE69927708T2 (de) * | 1998-12-23 | 2006-07-06 | Alza Corp., Mountain View | Dosierungsformen, die poröse partikel enthalten |
| US6342249B1 (en) | 1998-12-23 | 2002-01-29 | Alza Corporation | Controlled release liquid active agent formulation dosage forms |
| WO2013019891A1 (en) * | 2011-08-01 | 2013-02-07 | St. Hill Pharmaceutical Corporation | Non-digestible capsules for the delivery of fluid absorbing materials |
| EP2964310A1 (en) | 2013-03-05 | 2016-01-13 | TARIS Biomedical LLC | Drug delivery devices and methods for controlled drug release through device orifice |
| BR112016010103A8 (pt) * | 2013-11-05 | 2018-01-30 | Taris Biomedical Llc | métodos, kits e dispositivos de suprimento de fármaco osmótico. |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE376851B (enrdf_load_stackoverflow) * | 1971-01-13 | 1975-06-16 | Alza Corp | |
| US3732865A (en) * | 1971-01-13 | 1973-05-15 | Alza Corp | Osmotic dispenser |
| US3995631A (en) * | 1971-01-13 | 1976-12-07 | Alza Corporation | Osmotic dispenser with means for dispensing active agent responsive to osmotic gradient |
| US3865108A (en) * | 1971-05-17 | 1975-02-11 | Ortho Pharma Corp | Expandable drug delivery device |
| US3845770A (en) * | 1972-06-05 | 1974-11-05 | Alza Corp | Osmatic dispensing device for releasing beneficial agent |
| US3995632A (en) * | 1973-05-04 | 1976-12-07 | Alza Corporation | Osmotic dispenser |
| US4203440A (en) * | 1978-10-23 | 1980-05-20 | Alza Corporation | Device having variable volume chamber for dispensing useful agent |
| US4320759A (en) * | 1980-04-28 | 1982-03-23 | Alza Corporation | Dispenser with diffuser |
| US4350271A (en) * | 1980-08-22 | 1982-09-21 | Alza Corporation | Water absorbing fluid dispenser |
| US4327725A (en) * | 1980-11-25 | 1982-05-04 | Alza Corporation | Osmotic device with hydrogel driving member |
-
1984
- 1984-12-19 GB GB08432064A patent/GB2155889B/en not_active Expired
-
1985
- 1985-01-17 CA CA000472249A patent/CA1252359A/en not_active Expired
- 1985-02-14 JP JP60027521A patent/JPS60237016A/ja active Granted
- 1985-03-18 DE DE3509743A patent/DE3509743C2/de not_active Expired - Lifetime
- 1985-03-18 FR FR8503944A patent/FR2561628B1/fr not_active Expired
- 1985-03-20 IT IT67269/85A patent/IT1184912B/it active
- 1985-03-20 IT IT8553156U patent/IT8553156V0/it unknown
- 1985-03-21 ES ES1985285536U patent/ES285536Y/es not_active Expired
- 1985-03-21 ES ES1985285535U patent/ES285535Y/es not_active Expired
- 1985-03-21 ES ES1985285534U patent/ES285534Y/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1184912B (it) | 1987-10-28 |
| ES285534U (es) | 1986-04-01 |
| ES285535U (es) | 1986-04-01 |
| DE3509743C2 (de) | 1997-07-03 |
| GB8432064D0 (en) | 1985-01-30 |
| IT8553156V0 (it) | 1985-03-20 |
| ES285535Y (es) | 1986-11-16 |
| GB2155889B (en) | 1988-03-02 |
| FR2561628B1 (fr) | 1988-01-29 |
| ES285536U (es) | 1986-04-01 |
| IT8567269A1 (it) | 1986-09-20 |
| ES285536Y (es) | 1986-11-16 |
| FR2561628A1 (fr) | 1985-09-27 |
| ES285534Y (es) | 1986-11-16 |
| IT8567269A0 (it) | 1985-03-20 |
| JPS60237016A (ja) | 1985-11-25 |
| JPH0137367B2 (enrdf_load_stackoverflow) | 1989-08-07 |
| DE3509743A1 (de) | 1985-09-26 |
| GB2155889A (en) | 1985-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |