CA2563972A1 - Delivery system comprising means for controlling internal pressure - Google Patents

Delivery system comprising means for controlling internal pressure Download PDF

Info

Publication number
CA2563972A1
CA2563972A1 CA002563972A CA2563972A CA2563972A1 CA 2563972 A1 CA2563972 A1 CA 2563972A1 CA 002563972 A CA002563972 A CA 002563972A CA 2563972 A CA2563972 A CA 2563972A CA 2563972 A1 CA2563972 A1 CA 2563972A1
Authority
CA
Canada
Prior art keywords
space
delivery system
internal pressure
beneficial agent
controlling internal
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.)
Granted
Application number
CA002563972A
Other languages
French (fr)
Other versions
CA2563972C (en
Inventor
Jeremy C. Wright
James B. Eckenhoff
Frederick H. Maruyama
John R. Peery
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alza Corp
Original Assignee
Alza Corporation
Jeremy C. Wright
James B. Eckenhoff
Frederick H. Maruyama
John R. Peery
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alza Corporation, Jeremy C. Wright, James B. Eckenhoff, Frederick H. Maruyama, John R. Peery filed Critical Alza Corporation
Publication of CA2563972A1 publication Critical patent/CA2563972A1/en
Application granted granted Critical
Publication of CA2563972C publication Critical patent/CA2563972C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61K9/20—Pills, tablets, discs, rods
    • 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
    • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/0068—Rumen, e.g. rumen bolus
    • 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

Abstract

A dispensing device is disclosed for delivering a beneficial agent. The device comprises (1) a semipermeable housing defining a internal space, (2) an optional and presently preferred density member in the space, (3) a heat responsive composition comprising a beneficial agent in the space, (4) a space consuming member in the device, (5) a non-toxic compound blended with the heat responsive composition for enhancing its viscosity; (6) an exit port in the wall for increasing the internal pressure of the dispenser and for simultaneously letting the beneficial agent exit through said port from the device, and (7) an embodiment comprising a prehydrating fluid for fastening the start-up of delivery from the delivery system.
CA002563972A 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure Expired - Lifetime CA2563972C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46986190A 1990-01-24 1990-01-24
US469,861 1990-01-24
CA002471494A CA2471494C (en) 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002471494A Division CA2471494C (en) 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure

Publications (2)

Publication Number Publication Date
CA2563972A1 true CA2563972A1 (en) 1991-07-25
CA2563972C CA2563972C (en) 2009-03-17

Family

ID=23865334

Family Applications (3)

Application Number Title Priority Date Filing Date
CA002034522A Expired - Lifetime CA2034522C (en) 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure
CA002471494A Expired - Lifetime CA2471494C (en) 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure
CA002563972A Expired - Lifetime CA2563972C (en) 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CA002034522A Expired - Lifetime CA2034522C (en) 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure
CA002471494A Expired - Lifetime CA2471494C (en) 1990-01-24 1991-01-18 Delivery system comprising means for controlling internal pressure

Country Status (19)

Country Link
US (1) US5215753A (en)
EP (1) EP0597834B1 (en)
JP (2) JP3645565B2 (en)
KR (2) KR0171224B1 (en)
AT (1) ATE133069T1 (en)
AU (2) AU645527B2 (en)
CA (3) CA2034522C (en)
DE (1) DE69116575T2 (en)
DK (1) DK0597834T3 (en)
ES (1) ES2082194T3 (en)
FI (1) FI109331B (en)
GR (1) GR3018710T3 (en)
IE (1) IE71169B1 (en)
MX (1) MX173608B (en)
NO (1) NO305056B1 (en)
NZ (2) NZ250183A (en)
PT (1) PT96527B (en)
WO (1) WO1991011177A1 (en)
ZA (1) ZA91386B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5436355A (en) * 1994-02-03 1995-07-25 Merck & Co., Inc. Process for making avermectin/zein compositions
US5816493A (en) * 1996-04-08 1998-10-06 Texan Corporation Thermally expansible compositions methods for preparation and devices using same
ZA981610B (en) * 1997-03-24 1999-08-26 Alza Corp Self adjustable exit port.
KR101670249B1 (en) * 2016-02-16 2016-10-31 (주) 메디프레소 Drug Delivery Systems for Cancer Therapy and Preparation Method Thereof
BR112021004458A2 (en) * 2018-09-10 2021-05-25 Argenta Innovation Limited controlled release formulations in delivery devices
WO2022124914A1 (en) 2020-12-08 2022-06-16 Ruminant Biotech Corp Limited Improvements to devices and methods for delivery of substances to animals

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2178659A (en) * 1938-10-12 1939-11-07 Otto Milbrand Glow plug for internal combustion engines
US3732865A (en) * 1971-01-13 1973-05-15 Alza Corp Osmotic dispenser
US3995632A (en) * 1973-05-04 1976-12-07 Alza Corporation Osmotic dispenser
US4326796A (en) * 1979-12-13 1982-04-27 International Business Machines Corporation Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier
US4564363A (en) * 1983-07-13 1986-01-14 Smithkline Beckman Corporation Delayed action assembly
US5000957A (en) * 1984-03-19 1991-03-19 Alza Corporation Dispenser comprising hydrophilic osmopolymer
US4595583A (en) * 1984-03-19 1986-06-17 Alza Corporation Delivery system controlled administration of beneficial agent to ruminants
US4612186A (en) * 1984-03-19 1986-09-16 Alza Corporation Method for establishing blood levels of biocide in animals
US4624945A (en) * 1984-03-19 1986-11-25 Alza Corporation Dispensing system with means for increasing delivery of beneficial agent from the system
US4772474A (en) * 1985-08-09 1988-09-20 Alza Corporation Dispenser with internal arrangement of lamina means for dispensing beneficial agent
US4729793A (en) * 1985-08-09 1988-03-08 Alza Corporation Composition for manufacturing wall of dispensing device
US4814180A (en) * 1984-03-21 1989-03-21 Alza Corporation Agent dispenser comprising a semipermeable wall surrounding single-piece or two-piece container
US4800056A (en) * 1984-03-21 1989-01-24 Alza Corporation Process for making dispenser with cooperating elements
US4678467A (en) * 1984-03-21 1987-07-07 Alza Corporation Dispenser comprising capsule with volume displacing member
US4663148A (en) * 1984-03-21 1987-05-05 Alza Corporation Dispenser comprising telescopically engaging members
US4692326A (en) * 1984-03-21 1987-09-08 Alza Corporation Dispenser comprising inner positioned soft or hard capsule
US4716031A (en) * 1984-03-21 1987-12-29 Alza Corporation Drug dispenser comprising a multiplicity of members acting together for successfully dispensing drug
US4643731A (en) * 1985-08-16 1987-02-17 Alza Corporation Means for providing instant agent from agent dispensing system
US4704118A (en) * 1985-08-16 1987-11-03 Alza Corporation Ruminant dispensing device with thermo-activated memory
US4968508A (en) * 1987-02-27 1990-11-06 Eli Lilly And Company Sustained release matrix
US4876093A (en) * 1987-07-02 1989-10-24 Alza Corporation Dispenser with dispersing member for delivering beneficial agent
US4872873A (en) * 1987-12-14 1989-10-10 Merck & Co., Inc. Controlled release bolus device
US5045082A (en) * 1990-01-10 1991-09-03 Alza Corporation Long-term delivery device including loading dose

Also Published As

Publication number Publication date
KR920703027A (en) 1992-12-17
AU645527B2 (en) 1994-01-20
DE69116575D1 (en) 1996-02-29
DK0597834T3 (en) 1996-02-26
NO922865D0 (en) 1992-07-20
CA2034522A1 (en) 1991-07-25
AU5509394A (en) 1994-05-19
KR0171224B1 (en) 1999-02-01
PT96527A (en) 1991-10-15
DE69116575T2 (en) 1996-06-13
NO305056B1 (en) 1999-03-29
EP0597834B1 (en) 1996-01-17
NZ236836A (en) 1995-09-26
JPH05505182A (en) 1993-08-05
PT96527B (en) 1998-08-31
AU655733B2 (en) 1995-01-05
NO922865L (en) 1992-09-22
FI923358A0 (en) 1992-07-23
ZA91386B (en) 1991-11-27
GR3018710T3 (en) 1996-04-30
CA2471494C (en) 2006-11-21
AU7247791A (en) 1991-08-21
JP3645565B2 (en) 2005-05-11
MX173608B (en) 1994-03-17
FI109331B (en) 2002-07-15
WO1991011177A1 (en) 1991-08-08
FI923358A (en) 1992-07-23
CA2471494A1 (en) 1991-07-25
CA2034522C (en) 2004-12-07
JP2002159560A (en) 2002-06-04
CA2563972C (en) 2009-03-17
IE910164A1 (en) 1991-08-14
KR0173853B1 (en) 1999-10-01
IE71169B1 (en) 1997-01-29
EP0597834A1 (en) 1994-05-25
US5215753A (en) 1993-06-01
NZ250183A (en) 1995-09-26
ATE133069T1 (en) 1996-02-15
JP3665597B2 (en) 2005-06-29
ES2082194T3 (en) 1996-03-16

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)