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GR1000939B - Μηχανισμος συριγγας που λειτουργει με οσμωση. - Google Patents

Μηχανισμος συριγγας που λειτουργει με οσμωση.

Info

Publication number
GR1000939B
GR1000939B GR890100802A GR890100802A GR1000939B GR 1000939 B GR1000939 B GR 1000939B GR 890100802 A GR890100802 A GR 890100802A GR 890100802 A GR890100802 A GR 890100802A GR 1000939 B GR1000939 B GR 1000939B
Authority
GR
Greece
Prior art keywords
wall
osmotic
solute
supply hole
fluid flow
Prior art date
Application number
GR890100802A
Other languages
English (en)
Other versions
GR890100802A (en
Inventor
James Z Huang
Felix Antonio Landrau
Su Il Yum
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 GR890100802A publication Critical patent/GR890100802A/el
Publication of GR1000939B publication Critical patent/GR1000939B/el

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)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Coating Apparatus (AREA)

Abstract

Περιγράφεται ένας βελτιωμένος ωσμωτικός μηχανισμός. Ο οσμωτικός μηχανισμός είναι κατάλληλος για να χρησιμοποιείται με μία οσμωτικά λειτουργούσα (κινητοποιούμενη) σύριγγα που μπορεί να χρησιμοποιείται για την παροχή ενός ωφέλιμου παράγοντα, όπως ένα φάρμακο, σε προκαθορισμένο ρυθμό και επί παρατεταμένη χρονική περίοδο. Ο οσμωτικός μηχανισμός έχει ένα εξωτερικό τοίχωμα που καθορίζει ένα διαμέρισμα το οποίο περιέχει μία οσμωτική διαλυμένη ουσία. Το τοίχωμα περιλαμβάνει ένα λεπτό διαπερατό και/η μικροπορώδες υλικό που είναι διαπερατό ως προς ένα εξωτερικό ρευστό, π.χ. νερό, αλλά είναι αδιαπέραστο στη διαλυμένη ουσία. Το τοίχωμα φέρει επίσης μία οπή παροχής που τρυπάται μέσω αυτού. 'Ενα άκαμπτο μη διαλυόμενο στήριγμα τοιχώματος δακτυλιοειδούς σχήματος προβλέπεται για να διατηρείται το σχήμα του μηχανισμού κατά τη χρήση. Το στήριγμα τοιχώματος παρέχει επίσης μια ανοικτή τροχιά ροής ρευστού εκτεινόμενη από το ημιδιαπερατό τμήμα τοιχώματος προς την οπή παροχής. Η ανοικτή τροχιά ροής ρευστού ελαχιστοποιεί τον απαιτούμενο χρόνο για να αρχίζει να αντλεί ο μηχανισμός. ω
GR890100802A 1988-12-28 1989-12-04 Μηχανισμος συριγγας που λειτουργει με οσμωση. GR1000939B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/290,971 US4969884A (en) 1988-12-28 1988-12-28 Osmotically driven syringe

Publications (2)

Publication Number Publication Date
GR890100802A GR890100802A (en) 1991-03-15
GR1000939B true GR1000939B (el) 1993-03-16

Family

ID=23118268

Family Applications (1)

Application Number Title Priority Date Filing Date
GR890100802A GR1000939B (el) 1988-12-28 1989-12-04 Μηχανισμος συριγγας που λειτουργει με οσμωση.

Country Status (12)

Country Link
US (1) US4969884A (el)
EP (1) EP0451192A1 (el)
JP (1) JPH04502418A (el)
KR (1) KR910700083A (el)
AU (1) AU641633B2 (el)
CA (1) CA2005881A1 (el)
DK (1) DK664889A (el)
ES (1) ES2020824A6 (el)
GR (1) GR1000939B (el)
NZ (1) NZ231869A (el)
PT (1) PT92759A (el)
WO (1) WO1990007354A1 (el)

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Also Published As

Publication number Publication date
DK664889D0 (da) 1989-12-22
KR910700083A (ko) 1991-03-13
PT92759A (pt) 1990-06-29
AU4844190A (en) 1990-08-01
CA2005881A1 (en) 1990-06-28
DK664889A (da) 1990-06-29
AU641633B2 (en) 1993-09-30
WO1990007354A1 (en) 1990-07-12
JPH04502418A (ja) 1992-05-07
NZ231869A (en) 1991-09-25
US4969884A (en) 1990-11-13
EP0451192A1 (en) 1991-10-16
ES2020824A6 (es) 1991-10-01
GR890100802A (en) 1991-03-15

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