HK148795A - Biodegradable microspheres and method for their preparation - Google Patents

Biodegradable microspheres and method for their preparation

Info

Publication number
HK148795A
HK148795A HK148795A HK148795A HK148795A HK 148795 A HK148795 A HK 148795A HK 148795 A HK148795 A HK 148795A HK 148795 A HK148795 A HK 148795A HK 148795 A HK148795 A HK 148795A
Authority
HK
Hong Kong
Prior art keywords
preparation
biodegradable microspheres
microspheres
biodegradable
Prior art date
Application number
HK148795A
Other languages
English (en)
Inventor
William Elson Shell
Jackie R See
Original Assignee
See Shell Biotechnology Inc
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 See Shell Biotechnology Inc filed Critical See Shell Biotechnology Inc
Publication of HK148795A publication Critical patent/HK148795A/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/04—X-ray contrast preparations
    • A61K49/0409—Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is not a halogenated organic compound
    • A61K49/0414—Particles, beads, capsules or spheres
    • A61K49/0419—Microparticles, microbeads, microcapsules, microspheres, i.e. having a size or diameter higher or equal to 1 micrometer
    • 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1658—Proteins, e.g. albumin, gelatin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S424/00—Drug, bio-affecting and body treating compositions
    • Y10S424/90—In vivo diagnostic or in vivo test agent which contains an additional ingredient to reduce the toxicity or side effects of the active ingredient
HK148795A 1985-03-15 1995-09-14 Biodegradable microspheres and method for their preparation HK148795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/712,038 US4680171A (en) 1985-03-15 1985-03-15 Visualization of a bloodstream circulation with biodegradable microspheres

Publications (1)

Publication Number Publication Date
HK148795A true HK148795A (en) 1995-09-22

Family

ID=24860555

Family Applications (1)

Application Number Title Priority Date Filing Date
HK148795A HK148795A (en) 1985-03-15 1995-09-14 Biodegradable microspheres and method for their preparation

Country Status (10)

Country Link
US (1) US4680171A (xx)
EP (1) EP0194644B1 (xx)
JP (1) JPS61267529A (xx)
AU (1) AU589606B2 (xx)
CA (1) CA1288335C (xx)
DE (1) DE3688799T2 (xx)
HK (1) HK148795A (xx)
IL (1) IL78119A0 (xx)
MX (1) MX173250B (xx)
NO (1) NO860952L (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5186922A (en) * 1985-03-15 1993-02-16 See/Shell Biotechnology, Inc. Use of biodegradable microspheres labeled with imaging energy constrast materials
US4820732A (en) * 1985-10-04 1989-04-11 The Upjohn Company Method and compositions for reducing dysfunction in angioplasty procedures
CS255758B1 (en) * 1985-12-11 1988-03-15 Frantisek Rypacek Preparat for the diagnostic of transportion function of oviduct and process for preparing thereof
US5019370A (en) * 1989-07-10 1991-05-28 University Of Kentucky Research Foundation Biodegradable, low biological toxicity radiographic contrast medium and method of x-ray imaging
US5344640A (en) * 1991-10-22 1994-09-06 Mallinckrodt Medical, Inc. Preparation of apatite particles for medical diagnostic imaging
US5407659A (en) * 1991-10-22 1995-04-18 Mallinckrodt Medical, Inc. Treated calcium/oxyanion-containing particles for medical diagnostic imaging
US5340564A (en) * 1992-12-10 1994-08-23 Sterling Winthrop Inc. Formulations comprising olin 10-G to prevent particle aggregation and increase stability
US5520904A (en) * 1995-01-27 1996-05-28 Mallinckrodt Medical, Inc. Calcium/oxyanion-containing particles with a polymerical alkoxy coating for use in medical diagnostic imaging
US6071300A (en) * 1995-09-15 2000-06-06 Sub-Q Inc. Apparatus and method for percutaneous sealing of blood vessel punctures
US20070092563A1 (en) 1996-10-01 2007-04-26 Abraxis Bioscience, Inc. Novel formulations of pharmacological agents, methods for the preparation thereof and methods for the use thereof
US20010003580A1 (en) 1998-01-14 2001-06-14 Poh K. Hui Preparation of a lipid blend and a phospholipid suspension containing the lipid blend
FR2784580B1 (fr) 1998-10-16 2004-06-25 Biosepra Inc Microspheres de polyvinyl-alcool et procedes de fabrication de celles-ci
US6203778B1 (en) 1998-12-08 2001-03-20 The Regents Of The University Of California Particulate radiopaque contrast agent for diagnostic imaging and microvascular characterization
US8697137B2 (en) 2000-03-24 2014-04-15 Biosphere Medical, Inc. Methods of using microspheres for active embolization
US20030212022A1 (en) * 2001-03-23 2003-11-13 Jean-Marie Vogel Compositions and methods for gene therapy
US20060009694A1 (en) * 2004-05-17 2006-01-12 Yousefzadeh David K Methods of attenuating internal radiation exposure
ES2568782T3 (es) 2005-05-09 2016-05-04 Biosphere Medical, S.A. Composiciones y métodos de uso de microesferas y agentes de contraste no iónicos
WO2007090130A2 (en) * 2006-01-30 2007-08-09 Surgica Corporation Porous intravascular embolization particles and related methods
EP1986707A2 (en) 2006-01-30 2008-11-05 Surgica Corporation Compressible intravascular embolization particles and related methods and delivery systems
JP2012507562A (ja) * 2008-10-30 2012-03-29 ダビド リウ 微小球性多孔質生体適合性足場並びにその製造方法及び装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663687A (en) * 1968-06-26 1972-05-16 Minnesota Mining & Mfg Biodegradable parenteral microspherules
US3984571A (en) * 1970-03-10 1976-10-05 E. R. Squibb & Sons, Inc. Hydrocolloid containing liquid carrier for a diagnostic or therapeutic agent
SE420565B (sv) * 1974-06-06 1981-10-19 Pharmacia Ab Hjelpmedel for intravaskuler administraring for anvendning i samband med intravaskuler administrering av en losning eller en suspension av ett diagnostiseringsmedel
DE2803869C2 (de) * 1978-01-30 1983-12-29 Ethicon, Inc., 08876 Somerville, N.J. Injizierbare Embolisations- und Okklusionslösung
US4192859A (en) * 1978-09-29 1980-03-11 E. R. Squibb & Sons, Inc. Contrast media containing liposomes as carriers
CH641682A5 (en) * 1978-10-05 1984-03-15 Daeniker Felix X-ray contrast medium
JPS55100312A (en) * 1979-01-25 1980-07-31 Toshiro Wada Contrast medium for blood vessel
US4247406A (en) * 1979-04-23 1981-01-27 Widder Kenneth J Intravascularly-administrable, magnetically-localizable biodegradable carrier
JPS5832829A (ja) * 1981-08-22 1983-02-25 Green Cross Corp:The 血管造影剤
US4492720A (en) * 1983-11-15 1985-01-08 Benjamin Mosier Method of preparing microspheres for intravascular delivery
SE463651B (sv) * 1983-12-21 1991-01-07 Nycomed As Diagnostikum och kontrastmedel

Also Published As

Publication number Publication date
US4680171A (en) 1987-07-14
EP0194644B1 (en) 1993-08-04
AU5438486A (en) 1986-09-18
CA1288335C (en) 1991-09-03
IL78119A0 (en) 1986-07-31
DE3688799T2 (de) 1993-11-18
MX173250B (es) 1994-02-14
EP0194644A2 (en) 1986-09-17
JPS61267529A (ja) 1986-11-27
EP0194644A3 (en) 1987-09-30
NO860952L (no) 1986-09-16
AU589606B2 (en) 1989-10-19
DE3688799D1 (de) 1993-09-09

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)