HU227043B1 - Stabile microbubble suspension as enhancement agents for ultrasound echography - Google Patents
Stabile microbubble suspension as enhancement agents for ultrasound echography Download PDFInfo
- Publication number
- HU227043B1 HU227043B1 HU9401409A HU9401409A HU227043B1 HU 227043 B1 HU227043 B1 HU 227043B1 HU 9401409 A HU9401409 A HU 9401409A HU 9401409 A HU9401409 A HU 9401409A HU 227043 B1 HU227043 B1 HU 227043B1
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- HU
- Hungary
- Prior art keywords
- phospholipid
- suspension
- concentration
- microbubbles
- microbubble
- Prior art date
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/22—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations
- A61K49/222—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/225—Microparticles, microcapsules
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/22—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations
- A61K49/222—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/223—Microbubbles, hollow microspheres, free gas bubbles, gas microspheres
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Medicinal Preparation (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Surgical Instruments (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Physical Water Treatments (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Colloid Chemistry (AREA)
- Cosmetics (AREA)
- Amplifiers (AREA)
Description
Száraz tömeg (mg/ml) | Foszfolipidkoncentráció (pg/ml) | Koncentráció (buborék/ml) |
0,5 | 8* | 9,0><106 |
1 | 16 | 1,3x107 |
5 | 81 | 7,0x107 |
10 | 161“ | 1,4x108 |
Lipidelegy (tömegarány) | terc-Butanolos foszfolipidkoncentráció (pg/ml) | Buborékkoncentráció (x109/ml) | Átl. átm. (pm) |
DSPC | 2 | 1,3 | 10 |
DSPC/DPPG (100/4) | 2 | 3,8 | 7 |
DSPC/Chol (2/1) | 6 | 0,1 | 40 |
DAPC/Plur F68 (2/1) | 6 | 0,9 | 15 |
DAPC/Palmsav (60/1) | 2 | 0,6 | 11 |
DAPC/DPPA (100/4) | 1 | 2,6 | 8 |
DAPC/Chol/DPPA (8/1/1) | 8 | 1,2 | 19 |
DAPC/DPPA (100/4*) | 5 | 2,4 | 18 |
Claims (13)
- SZABADALMI IGÉNYPONTOK1. Ultrahang akusztikus vizsgálatokhoz kontrasztszerként alkalmazható vizes hordozós, gázzal töltött mikrobuborékokat tartalmazó, injektálható szuszpenzió, amely milliliterenként legalább 107 mikrobuborékot és a mikrobuborékok összeomlása ellen stabilizátorként ható amfipatikus vegyületeket tartalmaz, melyek közül legalább egy foszfolipidstabilizátor, továbbá adott esetben jelen lévő egyéb segédanyagok is tartalmaz, ahol a szuszpenzióban a foszfolipid koncentrációja 0,01 tömeg% alatti érték a szuszpenzió össztömegére számolva; ez az érték azzal a koncentrációval azonos, vagy annál valamivel nagyobb, mint amelynél a foszfolipidmolekulák a gázmikrobuborék-folyadék határfelületet önmagukban alkotják.
- 2. Az 1. igénypont szerinti injektálható szuszpenzió, melyben a mikrobuborékkoncentráció 108—101° mikrobuborék/ml.
- 3. Az 1. igénypont szerinti injektálható szuszpenzió, melyben foszfolipidkoncentráció 0,00013 tömeg%-nál nagyobb.
- 4. Az 1-3. igénypontok bármelyike szerinti injektálható szuszpenzió, melyben a folyékony hordozó stabilizátorként vízben oldható poli- és oligoszacharidot, cukrot és hidrofil polimert, mint például polietilénglikolt, tartalmaz.
- 5. Az 1-4. igénypontok bármelyike szerinti injektálható szuszpenzió, melyben a foszfolipid legalább részben lamelláris vagy lamináris formában van jelen, és azt a következők közül választjuk: lecitin, ezen belül foszfatidinsav, foszfatidil-kolin, foszfatidil-etanol-amin, foszfatidil-szerin, foszfatidil-glicerin, foszfatidil-inozit, kardiolipin vagy szfingomielin.
- 6. A 4. vagy 5. igénypont szerinti injektálható szuszpenzió, mely egyéb segédanyagként foszfolipidek tulajdonságait befolyásoló anyagot tartalmaz, melyet a következők közül választunk: diacetil-foszfát, koleszterin, ergoszterin, fitoszterin, szitoszterin, lanoszterin, tokoferol, propil-gallát, aszkorbil-palmitát vagy butilezett hidroxi-toluol.
- 7. Az 1-3. igénypontok bármelyike szerinti injektálható szuszpenzió, mely a foszfolipidet fagyasztva vagy porlasztva szárított alakban tartalmazza.
- 8. Az 1. igénypont szerinti injektálható szuszpenzió, melyben mikrobuborékkoncentrációja körülbelül 108-109 mikrobuborék/ml, és a mikrobuborékok mérete 0,5-10 pm, mely értékek a tárolás alatt kismértékben vagy egyáltalán nem változnak.
- 9. Az 1. igénypont szerinti injektálható szuszpenzió, melyben a folyékony hordozó egyéb segédanyagként az összes felületaktív anyagra számított 50 tömeg%-ig terjedő mennyiségű nem lamináris felületaktív anyagot is tartalmaz, melyet a következők közül választunk: zsírsav, zsírsavak és alkoholok poliolokkal képzett észterei és éterei, ahol a poliol a következők közül választott: polialkilénglikólók, polialkilénezett cukrok és egyéb szénhidrátok, ezen belül poli- és oligoszacharidok, cukrok és vagy polialkilénezett glicerinek, mint például polietilénglikolok.
- 10. Az 1-9. igénypontok bármelyike szerinti injektálható szuszpenzió, melyben a mikrobuborékokat SF6-tal, CF4-gyel, freonokkal vagy levegővel töltjük.
- 11. Eljárás az 1. igénypont szerinti gázzal, töltött mikrobuborékokat tartalmazó injektálható szuszpenziók előállítására, melyben egy folyékony vizes hordozóban laminarizált foszfolipidet és adott esetben egyéb adalék anyagokat szuszpendálunk, a foszfolipidet a szuszpendálás előtt vagy után érintkeztetjük a gázzal, és a szuszpendáltatást olyan körülmények között végezzük, hogy a szuszpenzióban kialakult mikrobuborékok koncentrációja megfelelő akusztikus válasz kialakítására elegendő legyen és a foszfolipid egy része a buborékok körül stabilizált réteget alkosson, azzal jelle9HU 227 043 Β1 mezve, hogy a szuszpenziót addig mossuk a mikrobuborékok stabilizálásában részt nem vevő feleslegben lévő foszfolipidek eltávolítása céljából, míg a szuszpenzió tömegére számolva a foszfolipidkoncentráció 0,01 tömeg% alá csökken.
- 12. A 11. igénypont szerinti eljárás, azzal jellemezve, hogy a részlegesen lamellarizált felületaktív anyagot a levegővel vagy egyéb gázzal való érintkeztetés előtt elegyítjük a vizes hordozóval.
- 13. A 11. vagy 12. igénypont szerinti eljárás, azzal jellemezve, hogy a vizes hordozó stabilizálóvegyülete5 két is tartalmaz, melyeket a következők közül választunk: hidrolizálva oldható fehérjék, polipeptidek, cukrok, poli- és oligoszacharidok és hidrofil polimerek.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92810837 | 1992-11-02 | ||
PCT/EP1993/002915 WO1994009829A1 (en) | 1992-11-02 | 1993-10-21 | Stable microbubble suspensions as enhancement agents for ultrasound echography |
Publications (3)
Publication Number | Publication Date |
---|---|
HU9401409D0 HU9401409D0 (en) | 1994-08-29 |
HUT74561A HUT74561A (en) | 1997-01-28 |
HU227043B1 true HU227043B1 (en) | 2010-05-28 |
Family
ID=8212014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU9401409A HU227043B1 (en) | 1992-11-02 | 1993-10-21 | Stabile microbubble suspension as enhancement agents for ultrasound echography |
Country Status (22)
Country | Link |
---|---|
US (7) | US5445813A (hu) |
EP (1) | EP0619743B1 (hu) |
JP (1) | JP3135919B2 (hu) |
KR (1) | KR100216138B1 (hu) |
CN (1) | CN1069838C (hu) |
AT (1) | ATE146972T1 (hu) |
AU (3) | AU666238B2 (hu) |
CA (1) | CA2125027C (hu) |
DE (2) | DE69307124T2 (hu) |
DK (1) | DK0619743T3 (hu) |
ES (1) | ES2097548T3 (hu) |
FI (1) | FI115953B (hu) |
GR (1) | GR3022826T3 (hu) |
HU (1) | HU227043B1 (hu) |
IL (1) | IL107453A (hu) |
IS (1) | IS1625B (hu) |
LU (1) | LU90837I2 (hu) |
NL (1) | NL300061I2 (hu) |
NO (1) | NO308830B1 (hu) |
NZ (2) | NZ257115A (hu) |
WO (1) | WO1994009829A1 (hu) |
ZA (1) | ZA938117B (hu) |
Families Citing this family (180)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6001335A (en) | 1989-12-22 | 1999-12-14 | Imarx Pharmaceutical Corp. | Contrasting agents for ultrasonic imaging and methods for preparing the same |
US5469854A (en) | 1989-12-22 | 1995-11-28 | Imarx Pharmaceutical Corp. | Methods of preparing gas-filled liposomes |
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-
1993
- 1993-10-12 US US08/134,671 patent/US5445813A/en not_active Expired - Lifetime
- 1993-10-21 CA CA002125027A patent/CA2125027C/en not_active Expired - Lifetime
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- 1993-10-21 JP JP06507577A patent/JP3135919B2/ja not_active Expired - Lifetime
- 1993-10-21 DK DK93923522.2T patent/DK0619743T3/da active
- 1993-10-21 NZ NZ280615A patent/NZ280615A/en not_active IP Right Cessation
- 1993-10-21 HU HU9401409A patent/HU227043B1/hu active Protection Beyond IP Right Term
- 1993-10-21 DE DE69307124T patent/DE69307124T2/de not_active Expired - Lifetime
- 1993-10-21 KR KR1019940702306A patent/KR100216138B1/ko not_active IP Right Cessation
- 1993-10-21 DE DE2001199055 patent/DE10199055I2/de active Active
- 1993-10-21 AT AT93923522T patent/ATE146972T1/de active
- 1993-10-21 ES ES93923522T patent/ES2097548T3/es not_active Expired - Lifetime
- 1993-10-21 EP EP93923522A patent/EP0619743B1/en not_active Expired - Lifetime
- 1993-10-21 WO PCT/EP1993/002915 patent/WO1994009829A1/en active IP Right Grant
- 1993-10-21 AU AU53362/94A patent/AU666238B2/en not_active Expired
- 1993-10-28 IS IS4089A patent/IS1625B/is unknown
- 1993-10-29 ZA ZA938117A patent/ZA938117B/xx unknown
- 1993-11-01 IL IL107453A patent/IL107453A/en not_active IP Right Cessation
- 1993-11-02 CN CN93114131A patent/CN1069838C/zh not_active Expired - Lifetime
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1994
- 1994-06-30 NO NO942476A patent/NO308830B1/no not_active IP Right Cessation
- 1994-07-01 FI FI943167A patent/FI115953B/fi not_active IP Right Cessation
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1995
- 1995-03-31 US US08/414,718 patent/US5597549A/en not_active Expired - Lifetime
- 1995-04-12 US US08/420,677 patent/US5686060A/en not_active Expired - Lifetime
- 1995-10-17 AU AU34317/95A patent/AU681812B2/en not_active Expired
-
1997
- 1997-03-17 GR GR970400500T patent/GR3022826T3/el unknown
- 1997-06-20 AU AU26181/97A patent/AU704954B2/en not_active Expired
- 1997-06-26 US US08/883,592 patent/US5908610A/en not_active Expired - Lifetime
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1998
- 1998-09-11 US US09/151,651 patent/US6187288B1/en not_active Expired - Lifetime
-
2000
- 2000-12-15 US US09/736,361 patent/US20010001279A1/en not_active Abandoned
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2001
- 2001-09-19 LU LU90837C patent/LU90837I2/fr unknown
- 2001-09-21 NL NL300061C patent/NL300061I2/nl unknown
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2003
- 2003-01-31 US US10/355,052 patent/US20030129137A1/en not_active Abandoned
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