JPH09509433A - 超音波気体サスペンションの貯蔵法 - Google Patents
超音波気体サスペンションの貯蔵法Info
- Publication number
- JPH09509433A JPH09509433A JP8518543A JP51854396A JPH09509433A JP H09509433 A JPH09509433 A JP H09509433A JP 8518543 A JP8518543 A JP 8518543A JP 51854396 A JP51854396 A JP 51854396A JP H09509433 A JPH09509433 A JP H09509433A
- Authority
- JP
- Japan
- Prior art keywords
- suspension
- microbubbles
- gas
- suspension according
- temperature
- 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
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003860 storage Methods 0.000 title description 35
- 239000002872 contrast media Substances 0.000 claims abstract description 22
- 239000000654 additive Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000004094 surface-active agent Substances 0.000 claims abstract description 14
- 150000003904 phospholipids Chemical class 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 9
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 9
- 238000012285 ultrasound imaging Methods 0.000 claims abstract description 9
- 239000008365 aqueous carrier Substances 0.000 claims abstract description 8
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- 210000004369 blood Anatomy 0.000 claims abstract description 6
- 239000008280 blood Substances 0.000 claims abstract description 6
- 229920001059 synthetic polymer Polymers 0.000 claims abstract description 6
- 229920005615 natural polymer Polymers 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 91
- 239000000203 mixture Substances 0.000 claims description 34
- 239000006260 foam Substances 0.000 claims description 28
- 239000003570 air Substances 0.000 claims description 27
- 238000007710 freezing Methods 0.000 claims description 19
- 230000008014 freezing Effects 0.000 claims description 19
- -1 Sfatidylinositol Chemical compound 0.000 claims description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
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- 239000002502 liposome Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
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- 108010088751 Albumins Proteins 0.000 claims description 7
- 229930006000 Sucrose Natural products 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 150000002367 halogens Chemical class 0.000 claims description 7
- 239000005720 sucrose Substances 0.000 claims description 7
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 6
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 150000002632 lipids Chemical class 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 150000001720 carbohydrates Chemical class 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 150000004665 fatty acids Chemical class 0.000 claims description 5
- 150000004676 glycans Chemical class 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
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- 229920001282 polysaccharide Polymers 0.000 claims description 5
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- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229940102213 injectable suspension Drugs 0.000 claims description 4
- 150000002596 lactones Chemical class 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- PORPENFLTBBHSG-MGBGTMOVSA-N 1,2-dihexadecanoyl-sn-glycerol-3-phosphate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCC PORPENFLTBBHSG-MGBGTMOVSA-N 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 3
- 235000012000 cholesterol Nutrition 0.000 claims description 3
- RNPXCFINMKSQPQ-UHFFFAOYSA-N dicetyl hydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCOP(O)(=O)OCCCCCCCCCCCCCCCC RNPXCFINMKSQPQ-UHFFFAOYSA-N 0.000 claims description 3
- 229940093541 dicetylphosphate Drugs 0.000 claims description 3
- WMIYKQLTONQJES-UHFFFAOYSA-N hexafluoroethane Chemical compound FC(F)(F)C(F)(F)F WMIYKQLTONQJES-UHFFFAOYSA-N 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims description 3
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- 229920001451 polypropylene glycol Polymers 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- BQPPJGMMIYJVBR-UHFFFAOYSA-N (10S)-3c-Acetoxy-4.4.10r.13c.14t-pentamethyl-17c-((R)-1.5-dimethyl-hexen-(4)-yl)-(5tH)-Delta8-tetradecahydro-1H-cyclopenta[a]phenanthren Natural products CC12CCC(OC(C)=O)C(C)(C)C1CCC1=C2CCC2(C)C(C(CCC=C(C)C)C)CCC21C BQPPJGMMIYJVBR-UHFFFAOYSA-N 0.000 claims description 2
- OILXMJHPFNGGTO-UHFFFAOYSA-N (22E)-(24xi)-24-methylcholesta-5,22-dien-3beta-ol Natural products C1C=C2CC(O)CCC2(C)C2C1C1CCC(C(C)C=CC(C)C(C)C)C1(C)CC2 OILXMJHPFNGGTO-UHFFFAOYSA-N 0.000 claims description 2
- RQOCXCFLRBRBCS-UHFFFAOYSA-N (22E)-cholesta-5,7,22-trien-3beta-ol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)C=CCC(C)C)CCC33)C)C3=CC=C21 RQOCXCFLRBRBCS-UHFFFAOYSA-N 0.000 claims description 2
- CHGIKSSZNBCNDW-UHFFFAOYSA-N (3beta,5alpha)-4,4-Dimethylcholesta-8,24-dien-3-ol Natural products CC12CCC(O)C(C)(C)C1CCC1=C2CCC2(C)C(C(CCC=C(C)C)C)CCC21 CHGIKSSZNBCNDW-UHFFFAOYSA-N 0.000 claims description 2
- TZCPCKNHXULUIY-RGULYWFUSA-N 1,2-distearoyl-sn-glycero-3-phosphoserine Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(=O)OC[C@H](N)C(O)=O)OC(=O)CCCCCCCCCCCCCCCCC TZCPCKNHXULUIY-RGULYWFUSA-N 0.000 claims description 2
- XYTLYKGXLMKYMV-UHFFFAOYSA-N 14alpha-methylzymosterol Natural products CC12CCC(O)CC1CCC1=C2CCC2(C)C(C(CCC=C(C)C)C)CCC21C XYTLYKGXLMKYMV-UHFFFAOYSA-N 0.000 claims description 2
- FPTJELQXIUUCEY-UHFFFAOYSA-N 3beta-Hydroxy-lanostan Natural products C1CC2C(C)(C)C(O)CCC2(C)C2C1C1(C)CCC(C(C)CCCC(C)C)C1(C)CC2 FPTJELQXIUUCEY-UHFFFAOYSA-N 0.000 claims description 2
- OQMZNAMGEHIHNN-UHFFFAOYSA-N 7-Dehydrostigmasterol Natural products C1C(O)CCC2(C)C(CCC3(C(C(C)C=CC(CC)C(C)C)CCC33)C)C3=CC=C21 OQMZNAMGEHIHNN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 claims description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 2
- DNVPQKQSNYMLRS-NXVQYWJNSA-N Ergosterol Natural products CC(C)[C@@H](C)C=C[C@H](C)[C@H]1CC[C@H]2C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@H]3CC[C@]12C DNVPQKQSNYMLRS-NXVQYWJNSA-N 0.000 claims description 2
- BKLIAINBCQPSOV-UHFFFAOYSA-N Gluanol Natural products CC(C)CC=CC(C)C1CCC2(C)C3=C(CCC12C)C4(C)CCC(O)C(C)(C)C4CC3 BKLIAINBCQPSOV-UHFFFAOYSA-N 0.000 claims description 2
- ZWZWYGMENQVNFU-UHFFFAOYSA-N Glycerophosphorylserin Natural products OC(=O)C(N)COP(O)(=O)OCC(O)CO ZWZWYGMENQVNFU-UHFFFAOYSA-N 0.000 claims description 2
- LOPKHWOTGJIQLC-UHFFFAOYSA-N Lanosterol Natural products CC(CCC=C(C)C)C1CCC2(C)C3=C(CCC12C)C4(C)CCC(C)(O)C(C)(C)C4CC3 LOPKHWOTGJIQLC-UHFFFAOYSA-N 0.000 claims description 2
- CAHGCLMLTWQZNJ-UHFFFAOYSA-N Nerifoliol Natural products CC12CCC(O)C(C)(C)C1CCC1=C2CCC2(C)C(C(CCC=C(C)C)C)CCC21C CAHGCLMLTWQZNJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002732 Polyanhydride Polymers 0.000 claims description 2
- 108010020346 Polyglutamic Acid Proteins 0.000 claims description 2
- 229920000954 Polyglycolide Polymers 0.000 claims description 2
- ATBOMIWRCZXYSZ-XZBBILGWSA-N [1-[2,3-dihydroxypropoxy(hydroxy)phosphoryl]oxy-3-hexadecanoyloxypropan-2-yl] (9e,12e)-octadeca-9,12-dienoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(COP(O)(=O)OCC(O)CO)OC(=O)CCCCCCC\C=C\C\C=C\CCCCC ATBOMIWRCZXYSZ-XZBBILGWSA-N 0.000 claims description 2
- AWUCVROLDVIAJX-UHFFFAOYSA-N alpha-glycerophosphate Natural products OCC(O)COP(O)(O)=O AWUCVROLDVIAJX-UHFFFAOYSA-N 0.000 claims description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 2
- 229940095259 butylated hydroxytoluene Drugs 0.000 claims description 2
- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 2
- QBSJHOGDIUQWTH-UHFFFAOYSA-N dihydrolanosterol Natural products CC(C)CCCC(C)C1CCC2(C)C3=C(CCC12C)C4(C)CCC(C)(O)C(C)(C)C4CC3 QBSJHOGDIUQWTH-UHFFFAOYSA-N 0.000 claims description 2
- ZGSPNIOCEDOHGS-UHFFFAOYSA-L disodium [3-[2,3-di(octadeca-9,12-dienoyloxy)propoxy-oxidophosphoryl]oxy-2-hydroxypropyl] 2,3-di(octadeca-9,12-dienoyloxy)propyl phosphate Chemical compound [Na+].[Na+].CCCCCC=CCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCC=CCCCCC)COP([O-])(=O)OCC(O)COP([O-])(=O)OCC(OC(=O)CCCCCCCC=CCC=CCCCCC)COC(=O)CCCCCCCC=CCC=CCCCCC ZGSPNIOCEDOHGS-UHFFFAOYSA-L 0.000 claims description 2
- DNVPQKQSNYMLRS-SOWFXMKYSA-N ergosterol Chemical compound C1[C@@H](O)CC[C@]2(C)[C@H](CC[C@]3([C@H]([C@H](C)/C=C/[C@@H](C)C(C)C)CC[C@H]33)C)C3=CC=C21 DNVPQKQSNYMLRS-SOWFXMKYSA-N 0.000 claims description 2
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 2
- CAHGCLMLTWQZNJ-RGEKOYMOSA-N lanosterol Chemical compound C([C@]12C)C[C@@H](O)C(C)(C)[C@H]1CCC1=C2CC[C@]2(C)[C@H]([C@H](CCC=C(C)C)C)CC[C@@]21C CAHGCLMLTWQZNJ-RGEKOYMOSA-N 0.000 claims description 2
- 229940058690 lanosterol Drugs 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- 229920001542 oligosaccharide Polymers 0.000 claims description 2
- 150000002482 oligosaccharides Chemical class 0.000 claims description 2
- 125000001095 phosphatidyl group Chemical group 0.000 claims description 2
- 229920001308 poly(aminoacid) Polymers 0.000 claims description 2
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 2
- 229920002463 poly(p-dioxanone) polymer Polymers 0.000 claims description 2
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- 229920001515 polyalkylene glycol Polymers 0.000 claims description 2
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- 108090000765 processed proteins & peptides Proteins 0.000 claims description 2
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- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 claims description 2
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- CSVWWLUMXNHWSU-UHFFFAOYSA-N (22E)-(24xi)-24-ethyl-5alpha-cholest-22-en-3beta-ol Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(C)C=CC(CC)C(C)C)C1(C)CC2 CSVWWLUMXNHWSU-UHFFFAOYSA-N 0.000 claims 1
- KLEXDBGYSOIREE-UHFFFAOYSA-N 24xi-n-propylcholesterol Natural products C1C=C2CC(O)CCC2(C)C2C1C1CCC(C(C)CCC(CCC)C(C)C)C1(C)CC2 KLEXDBGYSOIREE-UHFFFAOYSA-N 0.000 claims 1
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Classifications
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- 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
- A61K49/223—Microbubbles, hollow microspheres, free gas bubbles, gas microspheres
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicinal Preparation (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Treating Waste Gases (AREA)
- Sampling And Sample Adjustment (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.水性担体媒体中に固定された気体の泡の凍結サスペンションであって、気 体の泡及び通常の添加剤を含んでなる該担体媒体は生理的に許容し得る担体であ り、該固定された気体の泡は、一時的な外被または実体的な膜によって境界をつ けられた微小泡であり、該サスペンションは、液体状態にある時、注射可能であ り、生き物の血液だまり及び組織の超音波画像化におけるコントラスト剤として 有用であることを特徴とするサスペンション。 2.該凍結媒体の温度が−1℃〜− 196℃、好ましくは−10℃〜−76℃である 、請求項1に記載のサスペンション。 3.大部分の微小泡のサイズが50μmより小さく、好ましくは10μmより小さ い、請求項1または2に記載のサスペンション。 4.該微小泡のサイズが2μm〜9μm、好ましくは3μm〜5μmである、 請求項3に記載のサスペンション。 5.該添加剤が、界面活性剤として、単分子または多分子膜層の形のラメラリ ン脂質である、請求項1または2に記載のサスペンション。 6.該ラメラリン脂質が、単ラメラまたは多ラメラ リポソームの形をとる、 請求項5に記載のサスペンション。 7.該ラメラリン脂質が飽和リン脂質である、請求項5に記載のサスペンショ ン。 8.該リン脂質が、ホスファチジン酸、ホスファチジルコリン、ホスファチジ ルエタノールアミン、ホスファチジルセリン、ホスファチジルグリセロール、ホ スファチジルイノシトール、カルジオリピン及びスフィンゴミエリンまたはそれ らの混合物から選択される、請求項6または7に記載のサスペンション。 9.該添加剤が、リン酸ジセチル、コレステロール、エルゴステロール、フィ トステロール、シトステロール、ラノステロール、トコフェロール、没食子酸プ ロピル、パルミチン酸アスコルビン及びブチル化ヒドロキシトルエンから選択さ れた物質を包含する、請求項1または2に記載のサスペンション。 10.該添加剤がソルビトールまたはポリオキシエチレン/ポリオキシプロピレ ンコポリマーのような非イオン界面活性剤を包含する、請求項1または2に記載 のサスペンション。 11.該添加剤が界面活性剤に対する約1:5〜 100:1を含む重量比の線状及 び架橋結合した多糖類及び少糖類、ショ糖、親水性ポリマー及びヨウソ化された 化合物から選択された粘度増加剤及び/または安定剤を包含する、前記いずれか 1項に記載のサスペンション。 12.該添加剤がさらに50重量%までの、脂肪酸、脂肪酸のエステル及びエーテ ル並びにポリオールを含むアルコールを含んでなる、前記いずれか1項に記載の サスペンション。 13.該ポリオールがポリアルキレングリコール、ポリアルキレン化ショ糖及び 他の炭水化物並びにポリアルキレン化グリセロールである、請求項12に記載のサ スペンション。 14.107〜108微小泡/ml、108〜109微小泡/mlまたは 109〜1010微小泡/mlを 含有してなる、請求項1または2に記載のサスペンション。 15.該膜が合成もしくは天然ポリマーまたはタンパク質から作られるものであ る、請求項1または2に記載のサスペンション。 16.該ポリマーが多糖類、ポリアミノ酸及びそれらのエステル、ポリラクチド 及びポリグリコリド並びにそれらのコポリマー、ラクチド及びラクトンのコポリ マー、ポリペプチド、ポリ−(オルト) エステル、ポリジオキサノン、ポリ−β−アミノケトン、ポリホスファゼン、ポ リ無水物、ポリアルキル−(シアノ)−アクリレート、ポリオレフィン、ポリア クリレート、ポリアクリロニトリン、非−加水分解性ポリエステル、ポリウレタ ン及びポリ尿素、ポリグルタミン酸もしくはポリアスパルチン酸誘導体並びにそ れらの他のアミノ酸とのコポリマーから選択されたものである、請求項15に記載 のサスペンション。 17.該タンパク質がアルブミンである、請求項15に記載のサスペンション。 18.該気体が、ハロゲンを含有する気体、空気、酸素、窒素、二酸化炭素また はそれらの混合物から選択される、請求項1に記載のサスペンション。 19.該ハロゲンを含有する気体が、SF6,CH4,C2F6,C2F8,C3F6,C3F8,C4F6 ,C4F8,C4F10,C5F10,C5F12及びそれらの混合物からなる群から選択される、 請求項18に記載のサスペンション。 20.請求項1〜19のいずれか1項に記載の微小泡を貯蔵する方法であって、 a)該液体サスペンションを冷却装置に入れる段階、 b)該サスペンションの凝固点をより低い温度、好ましくは−1℃〜− 196℃ の温度、さらに好ましくは−10℃〜−76℃の温度に冷却することにより、該微小 泡を固定する段階、 c)該凍結条件を長期間維持する段階、 を特徴とする、前記方法。 21.該凍結されたサスペンションが、微小泡中にカプセル化されている少くと も1種の不活性気体または気体の混合物の雰囲気中に保持される、請求項20に記 載の方法。 22.該微小泡が−18℃より低い沸点を有する少くとも1種の気体 または気体の混合物を含有する、請求項20に記載の方法。 23.該サスペンションの使用の前に解凍され、室温でしばらく維持される、請 求項20に記載の方法。 24.器官及び組織の超音波画像化に用いるための請求項1〜19のいずれか1項 に記載の注射し得るサスペンション。 25.超音波撮影のコントラスト剤の製造のための請求項1〜19のいずれか1項 に記載の注射し得るサスペンションの使用。
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EP94810731 | 1994-12-16 | ||
CH94810731.3 | 1994-12-16 | ||
PCT/IB1995/001124 WO1996018420A1 (en) | 1994-12-16 | 1995-12-14 | Method of storage of ultrasonic gas suspensions |
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JPH09509433A true JPH09509433A (ja) | 1997-09-22 |
JP3958358B2 JP3958358B2 (ja) | 2007-08-15 |
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JP51854396A Expired - Fee Related JP3958358B2 (ja) | 1994-12-16 | 1995-12-14 | 超音波気体サスペンションの貯蔵法 |
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EP (1) | EP0744962B2 (ja) |
JP (1) | JP3958358B2 (ja) |
KR (1) | KR100382811B1 (ja) |
CN (1) | CN1066965C (ja) |
AT (1) | ATE205404T1 (ja) |
AU (1) | AU701807B2 (ja) |
CA (1) | CA2181340C (ja) |
CZ (1) | CZ291540B6 (ja) |
DE (1) | DE69522670T3 (ja) |
DK (1) | DK0744962T4 (ja) |
ES (1) | ES2162943T5 (ja) |
FI (1) | FI120722B (ja) |
IL (1) | IL116328A (ja) |
NO (1) | NO313031B1 (ja) |
NZ (1) | NZ295744A (ja) |
PT (1) | PT744962E (ja) |
WO (1) | WO1996018420A1 (ja) |
ZA (1) | ZA9510721B (ja) |
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