ZA985705B - Method for enhancing the echogenicity and decreasing the attenuation of microencapsulated gases. - Google Patents
Method for enhancing the echogenicity and decreasing the attenuation of microencapsulated gases.Info
- Publication number
- ZA985705B ZA985705B ZA9805705A ZA985705A ZA985705B ZA 985705 B ZA985705 B ZA 985705B ZA 9805705 A ZA9805705 A ZA 9805705A ZA 985705 A ZA985705 A ZA 985705A ZA 985705 B ZA985705 B ZA 985705B
- Authority
- ZA
- South Africa
- Prior art keywords
- microparticles
- diameter
- polymers
- imaging
- applications
- Prior art date
Links
- 230000003247 decreasing effect Effects 0.000 title 1
- 230000002708 enhancing effect Effects 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 239000011859 microparticle Substances 0.000 abstract 3
- 238000003384 imaging method Methods 0.000 abstract 2
- 210000000865 mononuclear phagocyte system Anatomy 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Polymers OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 abstract 1
- 239000002202 Polyethylene glycol Substances 0.000 abstract 1
- 229920000954 Polyglycolide Polymers 0.000 abstract 1
- 229920001273 Polyhydroxy acid Polymers 0.000 abstract 1
- 229920001963 Synthetic biodegradable polymer Polymers 0.000 abstract 1
- 230000008081 blood perfusion Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 210000001035 gastrointestinal tract Anatomy 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000004005 microsphere Substances 0.000 abstract 1
- 229920005615 natural polymer Polymers 0.000 abstract 1
- 210000000056 organ Anatomy 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 229920000747 poly(lactic acid) Polymers 0.000 abstract 1
- 229920001606 poly(lactic acid-co-glycolic acid) Polymers 0.000 abstract 1
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- 229920001059 synthetic polymer Polymers 0.000 abstract 1
- 238000012285 ultrasound imaging Methods 0.000 abstract 1
- 210000003462 vein Anatomy 0.000 abstract 1
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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Epidemiology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Acoustics & Sound (AREA)
- Hematology (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Medicinal Preparation (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Drying Of Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/885,933 US6045777A (en) | 1997-06-30 | 1997-06-30 | Method for enhancing the echogenicity and decreasing the attenuation of microencapsulated gases |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA985705B true ZA985705B (en) | 1999-08-04 |
Family
ID=25388026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9805705A ZA985705B (en) | 1997-06-30 | 1998-06-30 | Method for enhancing the echogenicity and decreasing the attenuation of microencapsulated gases. |
Country Status (22)
Country | Link |
---|---|
US (1) | US6045777A (fr) |
EP (1) | EP0996470B1 (fr) |
JP (1) | JP2002507214A (fr) |
KR (1) | KR100637022B1 (fr) |
CN (1) | CN1268397C (fr) |
AT (1) | ATE352322T1 (fr) |
AU (1) | AU740728B2 (fr) |
BR (1) | BR9810371A (fr) |
CA (1) | CA2294199C (fr) |
CY (1) | CY1107593T1 (fr) |
DE (1) | DE69836961T2 (fr) |
DK (1) | DK0996470T3 (fr) |
ES (1) | ES2280094T3 (fr) |
HK (1) | HK1029273A1 (fr) |
IL (1) | IL133595A (fr) |
MY (1) | MY122120A (fr) |
NO (1) | NO316614B1 (fr) |
NZ (1) | NZ501830A (fr) |
PT (1) | PT996470E (fr) |
TW (1) | TW360521B (fr) |
WO (1) | WO1999000149A1 (fr) |
ZA (1) | ZA985705B (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT239807Y1 (it) * | 1996-09-11 | 2001-03-13 | Lgl Electronics Spa | Dispositivo perfezionato di separazione delle spire di filato perapparecchi alimentatori di trama |
DE19882362T1 (de) * | 1997-04-30 | 2000-05-18 | Point Biomedical Corp | Mikropartikel, geeignet als Ultraschallkontrastmittel und zum Transport von Arzneimitteln in den Blutstrom |
AU1705300A (en) * | 1998-10-12 | 2000-05-01 | Mallinckrodt, Inc. | Novel ultrasound contrast agents |
EP1202670A4 (fr) | 1999-08-13 | 2004-11-10 | Point Biomedical Corp | Microspheres creuses a fragilite controlee a usage medical |
US6626854B2 (en) | 2000-12-27 | 2003-09-30 | Insightec - Txsonics Ltd. | Systems and methods for ultrasound assisted lipolysis |
US6645162B2 (en) | 2000-12-27 | 2003-11-11 | Insightec - Txsonics Ltd. | Systems and methods for ultrasound assisted lipolysis |
IL159624A0 (en) | 2001-06-29 | 2004-06-01 | Medgraft Microtech Inc | Biodegradable injectable implants and related methods of manufacture and use |
US6919068B2 (en) * | 2002-05-17 | 2005-07-19 | Point Biomedical Corporation | Method of preparing gas-filled polymer matrix microparticles useful for echographic imaging |
US20030215394A1 (en) * | 2002-05-17 | 2003-11-20 | Short Robert E. | Microparticles having a matrix interior useful for ultrasound triggered delivery of drugs into the bloodstream |
US20040185108A1 (en) * | 2003-03-18 | 2004-09-23 | Short Robert E. | Method of preparing gas-filled polymer matrix microparticles useful for delivering drug |
WO2005041897A2 (fr) | 2003-10-31 | 2005-05-12 | Point Biomedical Corporation | Compositions de microspheres reconstitutables utilisees en tant qu'agents de contraste ultrasonores |
WO2005118016A1 (fr) * | 2004-05-27 | 2005-12-15 | Medtronic, Inc. | Dispositif medical comprenant un agent biologiquement actif |
US8012457B2 (en) * | 2004-06-04 | 2011-09-06 | Acusphere, Inc. | Ultrasound contrast agent dosage formulation |
CA2569134C (fr) * | 2004-06-04 | 2010-11-23 | Acusphere, Inc. | Formulation de dosage d'agent de contraste ultrasonore |
DE602004026164D1 (de) * | 2004-06-04 | 2010-05-06 | Acusphere Inc | Ultraschallkontrastmittel |
EP1714642A1 (fr) * | 2005-04-18 | 2006-10-25 | Bracco Research S.A. | Formulation pharmaceutique comprenant des microcapsules remplies de gaz pour la délibération échographique |
US20070037215A1 (en) * | 2005-08-11 | 2007-02-15 | Patton Wayne F | Assay particles and methods of use |
US7955281B2 (en) * | 2006-09-07 | 2011-06-07 | Nivasonix, Llc | External ultrasound lipoplasty |
US8262591B2 (en) * | 2006-09-07 | 2012-09-11 | Nivasonix, Llc | External ultrasound lipoplasty |
US8697098B2 (en) | 2011-02-25 | 2014-04-15 | South Dakota State University | Polymer conjugated protein micelles |
KR101061224B1 (ko) * | 2008-10-08 | 2011-08-31 | 포항공과대학교 산학협력단 | X 선을 이용한 유동정보 측정용 캡슐 |
US9177543B2 (en) | 2009-08-26 | 2015-11-03 | Insightec Ltd. | Asymmetric ultrasound phased-array transducer for dynamic beam steering to ablate tissues in MRI |
EP2489034B1 (fr) | 2009-10-14 | 2016-11-30 | Insightec Ltd. | Cartographie de transducteurs à ultrasons |
US8331194B1 (en) * | 2010-04-26 | 2012-12-11 | The United States Of America As Represented By The Secretary Of The Navy | Underwater acoustic waveguide |
US9852727B2 (en) | 2010-04-28 | 2017-12-26 | Insightec, Ltd. | Multi-segment ultrasound transducers |
CN103945830B (zh) | 2011-02-25 | 2017-06-06 | 南达科他州立大学 | 缀合蛋白的聚合物胶束 |
WO2012136813A2 (fr) | 2011-04-07 | 2012-10-11 | Universitetet I Oslo | Agents pour un diagnostic par radar médical |
JP2011140527A (ja) * | 2011-04-20 | 2011-07-21 | Acusphere Inc | 超音波造影剤の投薬処方物 |
US10357450B2 (en) | 2012-04-06 | 2019-07-23 | Children's Medical Center Corporation | Process for forming microbubbles with high oxygen content and uses thereof |
US20160067276A1 (en) * | 2013-03-15 | 2016-03-10 | Children's Medical Center Corporation | Hollow particles encapsulating a biological gas and methods of use |
US10577554B2 (en) | 2013-03-15 | 2020-03-03 | Children's Medical Center Corporation | Gas-filled stabilized particles and methods of use |
WO2015156359A1 (fr) * | 2014-04-10 | 2015-10-15 | シャープ株式会社 | Solution visqueuse contenant des bulles, son procédé de production, son appareil de production, et son procédé de stockage |
CN107952085A (zh) * | 2016-10-17 | 2018-04-24 | 北京凯莱天成医药科技有限公司 | 一种超声造影剂及其制备方法和用途 |
WO2018160752A1 (fr) | 2017-02-28 | 2018-09-07 | Children's Medical Center Corporation | Particules sensibles aux stimuli encapsulant un gaz et méthodes d'utilisation |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4276885A (en) * | 1979-05-04 | 1981-07-07 | Rasor Associates, Inc | Ultrasonic image enhancement |
US5352435A (en) * | 1989-12-22 | 1994-10-04 | Unger Evan C | Ionophore containing liposomes for ultrasound imaging |
US5334381A (en) * | 1989-12-22 | 1994-08-02 | Unger Evan C | Liposomes as contrast agents for ultrasonic imaging and methods for preparing the same |
US5123414A (en) * | 1989-12-22 | 1992-06-23 | Unger Evan C | Liposomes as contrast agents for ultrasonic imaging and methods for preparing the same |
AU636481B2 (en) * | 1990-05-18 | 1993-04-29 | Bracco International B.V. | Polymeric gas or air filled microballoons usable as suspensions in liquid carriers for ultrasonic echography |
GB9107628D0 (en) * | 1991-04-10 | 1991-05-29 | Moonbrook Limited | Preparation of diagnostic agents |
EP0586524B2 (fr) * | 1991-06-03 | 2000-11-02 | Nycomed Imaging As | Ameliorations apportees a ou concernant des agents contrastants |
DE4219723A1 (de) * | 1992-06-13 | 1993-12-16 | Schering Ag | Mikropartikel, Verfahren zu deren Herstellung, sowie die Verwendung dieser in der Diagnostik |
GB9221329D0 (en) * | 1992-10-10 | 1992-11-25 | Delta Biotechnology Ltd | Preparation of further diagnostic agents |
EP0693924B2 (fr) * | 1993-02-22 | 2008-04-09 | Abraxis BioScience, Inc. | Procedes d'administration (in vivo) de substances biologiques et compositions utilisees dans ces procedes |
US5565215A (en) * | 1993-07-23 | 1996-10-15 | Massachusettes Institute Of Technology | Biodegradable injectable particles for imaging |
NO940711D0 (no) * | 1994-03-01 | 1994-03-01 | Nycomed Imaging As | Preparation of gas-filled microcapsules and contrasts agents for diagnostic imaging |
US5562893A (en) * | 1994-08-02 | 1996-10-08 | Molecular Biosystems, Inc. | Gas-filled microspheres with fluorine-containing shells |
US6333021B1 (en) * | 1994-11-22 | 2001-12-25 | Bracco Research S.A. | Microcapsules, method of making and their use |
US5955143A (en) * | 1995-12-21 | 1999-09-21 | Drexel University | Hollow polymer microcapsules and method of producing the same |
US5611344A (en) * | 1996-03-05 | 1997-03-18 | Acusphere, Inc. | Microencapsulated fluorinated gases for use as imaging agents |
-
1997
- 1997-06-30 US US08/885,933 patent/US6045777A/en not_active Expired - Fee Related
-
1998
- 1998-06-30 WO PCT/US1998/013514 patent/WO1999000149A1/fr active IP Right Grant
- 1998-06-30 IL IL13359598A patent/IL133595A/en not_active IP Right Cessation
- 1998-06-30 EP EP98932957A patent/EP0996470B1/fr not_active Expired - Lifetime
- 1998-06-30 CN CNB98806720XA patent/CN1268397C/zh not_active Expired - Fee Related
- 1998-06-30 ZA ZA9805705A patent/ZA985705B/xx unknown
- 1998-06-30 NZ NZ501830A patent/NZ501830A/xx not_active Application Discontinuation
- 1998-06-30 DE DE69836961T patent/DE69836961T2/de not_active Expired - Fee Related
- 1998-06-30 AU AU82731/98A patent/AU740728B2/en not_active Ceased
- 1998-06-30 MY MYPI98002974A patent/MY122120A/en unknown
- 1998-06-30 ES ES98932957T patent/ES2280094T3/es not_active Expired - Lifetime
- 1998-06-30 KR KR1019997012433A patent/KR100637022B1/ko not_active IP Right Cessation
- 1998-06-30 CA CA002294199A patent/CA2294199C/fr not_active Expired - Fee Related
- 1998-06-30 BR BR9810371-7A patent/BR9810371A/pt not_active Application Discontinuation
- 1998-06-30 JP JP50586099A patent/JP2002507214A/ja active Pending
- 1998-06-30 DK DK98932957T patent/DK0996470T3/da active
- 1998-06-30 PT PT98932957T patent/PT996470E/pt unknown
- 1998-06-30 AT AT98932957T patent/ATE352322T1/de not_active IP Right Cessation
- 1998-07-01 TW TW087110599A patent/TW360521B/zh not_active IP Right Cessation
-
1999
- 1999-12-28 NO NO996512A patent/NO316614B1/no not_active IP Right Cessation
-
2000
- 2000-11-02 HK HK00106986A patent/HK1029273A1/xx not_active IP Right Cessation
-
2007
- 2007-04-02 CY CY20071100458T patent/CY1107593T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
TW360521B (en) | 1999-06-11 |
DK0996470T3 (da) | 2007-05-21 |
JP2002507214A (ja) | 2002-03-05 |
CN1261809A (zh) | 2000-08-02 |
CA2294199A1 (fr) | 1999-01-07 |
NO316614B1 (no) | 2004-03-08 |
BR9810371A (pt) | 2000-09-05 |
CA2294199C (fr) | 2009-01-20 |
MY122120A (en) | 2006-03-31 |
NO996512L (no) | 2000-02-29 |
NO996512D0 (no) | 1999-12-28 |
CY1107593T1 (el) | 2013-03-13 |
ES2280094T3 (es) | 2007-09-01 |
HK1029273A1 (en) | 2001-03-30 |
IL133595A0 (en) | 2001-04-30 |
DE69836961D1 (de) | 2007-03-15 |
CN1268397C (zh) | 2006-08-09 |
AU8273198A (en) | 1999-01-19 |
WO1999000149A1 (fr) | 1999-01-07 |
KR20010014300A (ko) | 2001-02-26 |
ATE352322T1 (de) | 2007-02-15 |
EP0996470B1 (fr) | 2007-01-24 |
PT996470E (pt) | 2007-03-30 |
DE69836961T2 (de) | 2007-10-18 |
AU740728B2 (en) | 2001-11-15 |
IL133595A (en) | 2004-06-01 |
US6045777A (en) | 2000-04-04 |
EP0996470A1 (fr) | 2000-05-03 |
KR100637022B1 (ko) | 2006-10-20 |
NZ501830A (en) | 2003-01-31 |
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