FR2452918A1 - Dispositif pour l'apport de produits fluides a un milieu environnant aqueux - Google Patents

Dispositif pour l'apport de produits fluides a un milieu environnant aqueux

Info

Publication number
FR2452918A1
FR2452918A1 FR7908199A FR7908199A FR2452918A1 FR 2452918 A1 FR2452918 A1 FR 2452918A1 FR 7908199 A FR7908199 A FR 7908199A FR 7908199 A FR7908199 A FR 7908199A FR 2452918 A1 FR2452918 A1 FR 2452918A1
Authority
FR
France
Prior art keywords
water
layer
liq
container
dispensing device
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
FR7908199A
Other languages
English (en)
Other versions
FR2452918B1 (fr
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
Priority to FR7908199A priority Critical patent/FR2452918A1/fr
Publication of FR2452918A1 publication Critical patent/FR2452918A1/fr
Application granted granted Critical
Publication of FR2452918B1 publication Critical patent/FR2452918B1/fr
Granted legal-status Critical Current

Links

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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Materials For Medical Uses (AREA)

Abstract

Dispositif 10 pour l'apport de matières fluides à un milieu environnant aqueux. Il comprend une enveloppe ou logement externe 11 rigide et laissant passer l'eau, à l'intérieur de ce logement un réservoir 13 pouvant s'écraser sous l'action d'une pression, imperméable à l'eau et au fluide et contenant celui-ci, qui peut en sortir par un orifice 14, et une matière ou composition 12 placée entre le logement et le réservoir, qui fait passer l'eau à travers le logement pour exercer une pression sur le réservoir, et ce dispositif est caractérisé en ce que la composition comprend une matière polymère hydrophile, insoluble dans l'eau et gonflant à l'eau. Utilisation notamment pour l'administration de médicaments.
FR7908199A 1979-04-02 1979-04-02 Dispositif pour l'apport de produits fluides a un milieu environnant aqueux Granted FR2452918A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7908199A FR2452918A1 (fr) 1979-04-02 1979-04-02 Dispositif pour l'apport de produits fluides a un milieu environnant aqueux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908199A FR2452918A1 (fr) 1979-04-02 1979-04-02 Dispositif pour l'apport de produits fluides a un milieu environnant aqueux

Publications (2)

Publication Number Publication Date
FR2452918A1 true FR2452918A1 (fr) 1980-10-31
FR2452918B1 FR2452918B1 (fr) 1983-01-28

Family

ID=9223820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908199A Granted FR2452918A1 (fr) 1979-04-02 1979-04-02 Dispositif pour l'apport de produits fluides a un milieu environnant aqueux

Country Status (1)

Country Link
FR (1) FR2452918A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760984A (en) * 1971-09-29 1973-09-25 Alza Corp Osmotically powered agent dispensing device with filling means
US3987790A (en) * 1975-10-01 1976-10-26 Alza Corporation Osmotically driven fluid dispenser

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760984A (en) * 1971-09-29 1973-09-25 Alza Corp Osmotically powered agent dispensing device with filling means
US3987790A (en) * 1975-10-01 1976-10-26 Alza Corporation Osmotically driven fluid dispenser
FR2347059A1 (fr) * 1975-10-01 1977-11-04 Alza Corp Dispositif distributeur utilisant la pression osmotique

Also Published As

Publication number Publication date
FR2452918B1 (fr) 1983-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse