ES2157521T3 - Medio de contraste para formacion de imagenes de diagnostico que comprende microesferas de gas. - Google Patents

Medio de contraste para formacion de imagenes de diagnostico que comprende microesferas de gas.

Info

Publication number
ES2157521T3
ES2157521T3 ES97201854T ES97201854T ES2157521T3 ES 2157521 T3 ES2157521 T3 ES 2157521T3 ES 97201854 T ES97201854 T ES 97201854T ES 97201854 T ES97201854 T ES 97201854T ES 2157521 T3 ES2157521 T3 ES 2157521T3
Authority
ES
Spain
Prior art keywords
contrast media
formation
microspheres
includes gas
diagnostic images
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.)
Expired - Lifetime
Application number
ES97201854T
Other languages
English (en)
Inventor
Evan C Unger
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.)
ImaRx Pharmaceutical Corp
Original Assignee
ImaRx Pharmaceutical 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24733297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2157521(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ImaRx Pharmaceutical Corp filed Critical ImaRx Pharmaceutical Corp
Application granted granted Critical
Publication of ES2157521T3 publication Critical patent/ES2157521T3/es
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
    • 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
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31859—Next to an aldehyde or ketone condensation product
    • Y10T428/31862—Melamine-aldehyde

Abstract

EN LA INVENCION SE PRESENTA UN MEDIO DE CONTRASTE PARA LA FORMACION DE IMAGENES DE DIAGNOSTICO QUE CONTIENE UNA SUSPENSION ACUOSA SUSTANCIALMENTE HOMOGENEA DE MICROESFERAS RELLENAS CON GAS, EN DONDE LAS MICROESFERAS SE RELLENAN CON UN GAS DE PERFLUOROCARBONO. LAS MICROESFERAS SE FORMAN PREFERENTEMENTE A PARTIR DE POLIMEROS O COPOLIMEROS SINTETICOS BIOCOMPATIBLES.
ES97201854T 1991-04-05 1992-03-18 Medio de contraste para formacion de imagenes de diagnostico que comprende microesferas de gas. Expired - Lifetime ES2157521T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/680,984 US5205290A (en) 1991-04-05 1991-04-05 Low density microspheres and their use as contrast agents for computed tomography

Publications (1)

Publication Number Publication Date
ES2157521T3 true ES2157521T3 (es) 2001-08-16

Family

ID=24733297

Family Applications (2)

Application Number Title Priority Date Filing Date
ES92910021T Expired - Lifetime ES2134214T5 (es) 1991-04-05 1992-03-18 Microesferas de baja densidad y su uso como agentes de contraste para tomografia.
ES97201854T Expired - Lifetime ES2157521T3 (es) 1991-04-05 1992-03-18 Medio de contraste para formacion de imagenes de diagnostico que comprende microesferas de gas.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES92910021T Expired - Lifetime ES2134214T5 (es) 1991-04-05 1992-03-18 Microesferas de baja densidad y su uso como agentes de contraste para tomografia.

Country Status (12)

Country Link
US (10) US5205290A (es)
EP (3) EP0580726B2 (es)
JP (2) JP3518548B2 (es)
AT (2) ATE201217T1 (es)
AU (2) AU660676B2 (es)
BR (1) BR1100619A (es)
CA (1) CA2107466C (es)
DE (2) DE69229342T2 (es)
DK (2) DK0804932T3 (es)
ES (2) ES2134214T5 (es)
GR (2) GR3030411T3 (es)
WO (1) WO1992017514A1 (es)

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* Cited by examiner, † Cited by third party
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EP0580726B2 (en) 2008-08-20
ES2134214T5 (es) 2009-03-01
JP3518548B2 (ja) 2004-04-12
DE69229342T2 (de) 1999-10-14
DK0804932T3 (da) 2001-08-06
ES2134214T3 (es) 1999-10-01
US20080118435A1 (en) 2008-05-22
US7344705B2 (en) 2008-03-18
EP0804932B1 (en) 2001-05-16
WO1992017514A1 (en) 1992-10-15
US20040223914A1 (en) 2004-11-11
JP3888684B2 (ja) 2007-03-07
AU1744292A (en) 1992-11-02
GR3036289T3 (en) 2001-10-31
EP1064953A3 (en) 2002-07-03

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