FR2455915A1 - Dispositif d'apport de substances par osmose a un milieu environnant - Google Patents

Dispositif d'apport de substances par osmose a un milieu environnant

Info

Publication number
FR2455915A1
FR2455915A1 FR8010187A FR8010187A FR2455915A1 FR 2455915 A1 FR2455915 A1 FR 2455915A1 FR 8010187 A FR8010187 A FR 8010187A FR 8010187 A FR8010187 A FR 8010187A FR 2455915 A1 FR2455915 A1 FR 2455915A1
Authority
FR
France
Prior art keywords
solute
bag
osmotic
dispenser
osmosis
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
FR8010187A
Other languages
English (en)
Other versions
FR2455915B1 (fr
Inventor
James Eckenhoff
Johan Geerke
Felix Landrau
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 Corp
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 Corp filed Critical Alza Corp
Publication of FR2455915A1 publication Critical patent/FR2455915A1/fr
Application granted granted Critical
Publication of FR2455915B1 publication Critical patent/FR2455915B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/002—Forward osmosis or direct osmosis
    • B01D61/0022—Apparatus therefor
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Epidemiology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Medicinal Preparation (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Catching Or Destruction (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Cosmetics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

DISPOSITIF (DISTRIBUTEUR) D'APPORT DE LIQUIDES A UN MILIEU ENVIRONNANT, DISPOSITIF FONCTIONNANT PAR OSMOSE ET APPELE DISTRIBUTEUR OSMOTIQUE, QUI COMPREND UN SAC OU POCHE INTERNE SOUPLE 14 CONTENANT LE LIQUIDE 18, UNE COUCHE INTERMEDIAIRE 13 D'UNE COMPOSITION DE SOLUTE POUVANT EXERCER UNE PRESSION OSMOTIQUE (SOLUTE DIT A ACTION OSMOTIQUE), QUI ENTOURE AU MOINS PARTIELLEMENT LE SAC, UNE MEMBRANE EXTERIEURE 12 INDEFORMABLE ENVELOPPANT CETTE COUCHE INTERMEDIAIRE DE SOLUTE, MEMBRANE QUI EST AU MOINS EN PARTIE PERMEABLE A L'EAU, ET UNE OUVERTURE RELIANT L'INTERIEUR DU SAC A L'EXTERIEUR DU DISTRIBUTEUR, PAR LAQUELLE LE LIQUIDE PEUT ETRE INTRODUIT DANS LE SAC ET PEUT ENSUITE EN SORTIR. CE DISTRIBUTEUR EST CARACTERISE EN CE QUE LA COUCHE DE LA COMPOSITION DE SOLUTE A ACTION OSMOTIQUE EST SOUS LA FORME D'UN MANCHON OU GAINE (ENVELOPPE) THERMOFORME COMPRENANT UNE DISPERSION DE 50 A 75 EN POIDS DU SOLUTE DANS 25 A 50 EN POIDS D'UN VEHICULE JOUANT LE ROLE DE MATRICE, QUI EST UNE MATIERE POLYMERE THERMOPLASTIQUE HYDROSOLUBLE. APPLICATION A L'ADMINISTRATION DE MEDICAMENTS.
FR8010187A 1979-05-07 1980-05-07 Dispositif d'apport de substances par osmose a un milieu environnant Expired FR2455915B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3681579A 1979-05-07 1979-05-07

Publications (2)

Publication Number Publication Date
FR2455915A1 true FR2455915A1 (fr) 1980-12-05
FR2455915B1 FR2455915B1 (fr) 1988-07-01

Family

ID=21890805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8010187A Expired FR2455915B1 (fr) 1979-05-07 1980-05-07 Dispositif d'apport de substances par osmose a un milieu environnant

Country Status (7)

Country Link
JP (1) JPS6035170B2 (fr)
CA (1) CA1142831A (fr)
CH (1) CH645069A5 (fr)
DE (1) DE3017342A1 (fr)
FR (1) FR2455915B1 (fr)
GB (1) GB2048710B (fr)
IT (1) IT1131458B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300558A (en) * 1980-07-18 1981-11-17 Alza Corporation Self-driven fluid dispenser
JPH0268207A (ja) * 1988-09-01 1990-03-07 Sumitomo Rubber Ind Ltd 重荷重高速ラジアルタイヤ
FR2682090B1 (fr) * 1991-10-03 1993-12-31 Holzstoff Holding Sa Systeme-reservoir pour diffusion prolongee d'un principe actif.
ZA981610B (en) * 1997-03-24 1999-08-26 Alza Corp Self adjustable exit port.
CA2399000C (fr) * 2000-02-04 2009-12-22 Alza Corporation Distributeur de fluide a entrainement osmotique et composition de revetement
GB0212305D0 (en) * 2002-05-28 2002-07-10 Barker John Controlled dosing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319380A1 (fr) * 1975-07-28 1977-02-25 Alza Corp Dispositif de liberation prolongee d'un corps actif et son procede de fabrication
FR2347059A1 (fr) * 1975-10-01 1977-11-04 Alza Corp Dispositif distributeur utilisant la pression osmotique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319380A1 (fr) * 1975-07-28 1977-02-25 Alza Corp Dispositif de liberation prolongee d'un corps actif et son procede de fabrication
FR2347059A1 (fr) * 1975-10-01 1977-11-04 Alza Corp Dispositif distributeur utilisant la pression osmotique

Also Published As

Publication number Publication date
CH645069A5 (de) 1984-09-14
IT1131458B (it) 1986-06-25
JPS6035170B2 (ja) 1985-08-13
CA1142831A (fr) 1983-03-15
DE3017342A1 (de) 1980-11-27
FR2455915B1 (fr) 1988-07-01
GB2048710B (en) 1983-03-09
DE3017342C2 (fr) 1989-05-24
IT8021875A0 (it) 1980-05-07
JPS5621603A (en) 1981-02-28
GB2048710A (en) 1980-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse