DE3784452D1 - Verfahren und geraet zur untersuchung eines fluessigen stromes. - Google Patents
Verfahren und geraet zur untersuchung eines fluessigen stromes.Info
- Publication number
- DE3784452D1 DE3784452D1 DE8787309611T DE3784452T DE3784452D1 DE 3784452 D1 DE3784452 D1 DE 3784452D1 DE 8787309611 T DE8787309611 T DE 8787309611T DE 3784452 T DE3784452 T DE 3784452T DE 3784452 D1 DE3784452 D1 DE 3784452D1
- Authority
- DE
- Germany
- Prior art keywords
- examining
- liquid current
- liquid
- current
- 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 - Fee Related
Links
- 239000007788 liquid Substances 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/507—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for determination of haemodynamic parameters, e.g. perfusion CT
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/481—Diagnostic techniques involving the use of contrast agents
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/508—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for non-human patients
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- High Energy & Nuclear Physics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/933,781 US4793357A (en) | 1986-11-24 | 1986-11-24 | CT blood flow mapping with xenon gas enhancement |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3784452D1 true DE3784452D1 (de) | 1993-04-08 |
DE3784452T2 DE3784452T2 (de) | 1993-06-09 |
Family
ID=25464491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787309611T Expired - Fee Related DE3784452T2 (de) | 1986-11-24 | 1987-10-30 | Verfahren und geraet zur untersuchung eines fluessigen stromes. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4793357A (de) |
EP (1) | EP0269280B1 (de) |
JP (1) | JP2706939B2 (de) |
DE (1) | DE3784452T2 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5140981A (en) * | 1986-11-24 | 1992-08-25 | Picker International, Inc. | End-tidal gas detection |
US4930510A (en) * | 1986-11-24 | 1990-06-05 | Picker International, Inc. | Parameterization for CT blood flow mapping with xenon gas enhancement |
FI82367C (fi) * | 1988-02-11 | 1991-03-11 | Instrumentarium Oy | Till intubationsroer kopplad spirometer och provtagningsfoerbindning i gasanalysator. |
US5024230A (en) * | 1988-11-23 | 1991-06-18 | Picker International, Inc. | Dual flow/lambda display for xenon enhanced tomography |
US5545396A (en) * | 1994-04-08 | 1996-08-13 | The Research Foundation Of State University Of New York | Magnetic resonance imaging using hyperpolarized noble gases |
US6123919A (en) * | 1994-04-08 | 2000-09-26 | The Trustees Of Princeton University | Magnetic resonance imaging using hyperpolarized noble gases |
US5840026A (en) * | 1994-09-21 | 1998-11-24 | Medrad, Inc. | Patient specific dosing contrast delivery systems and methods |
US6211677B1 (en) | 1998-05-08 | 2001-04-03 | Picker International, Inc. | Lung coil for imaging hyper-polarized gas in an MRI scanner |
CA2336191C (en) * | 1998-06-17 | 2008-12-16 | Medi-Physics, Inc. | Hyperpolarized gas transport devices and associated transport method |
US6284222B1 (en) | 1998-11-03 | 2001-09-04 | Medi--Physics, Inc. | Hyperpolarized helium-3 microbubble gas entrapment methods |
WO2000050914A1 (en) | 1999-02-23 | 2000-08-31 | Medi-Physics, Inc. | Portable system for monitoring the polarization level of a hyperpolarized gas during transport |
US6648130B1 (en) * | 1999-08-11 | 2003-11-18 | Medi-Physics, Inc. | Hyperpolarized gas transport and storage devices and associated transport and storage methods using permanent magnets |
JP2003526437A (ja) * | 2000-03-13 | 2003-09-09 | メディ−フィジックス・インコーポレイテッド | ガス状過分極129Xeの直接注射を使用する診断処置並びに関連するシステムおよび生成物 |
WO2002004709A1 (en) * | 2000-07-12 | 2002-01-17 | Hersman F William | Apparatus and method for polarizing polarizable nuclear species |
US7179450B2 (en) * | 2001-09-20 | 2007-02-20 | Medi-Physics, Inc. | Methods for in vivo evaluation of pulmonary physiology and/or function using NMR signals of polarized Xe |
US6839402B2 (en) | 2002-02-05 | 2005-01-04 | Kimberly-Clark Worldwide, Inc. | Method and apparatus for examining absorbent articles |
WO2005106367A2 (en) * | 2004-04-21 | 2005-11-10 | University Of New Hampshire | Method and apparatus for accumulating hyperpolarized xenon |
EP1812101A4 (de) | 2004-11-16 | 2014-04-23 | Medrad Inc | Modellierung von pharmazeutischer verbreitung |
DK2902053T3 (da) | 2004-11-24 | 2017-11-13 | Bayer Healthcare Llc | Anordninger, systemer og fremgangsmåder til væskefremføring |
US8405022B2 (en) | 2006-09-20 | 2013-03-26 | University Of New Hampshire | Thermal management technology for polarizing xenon |
US7928359B2 (en) * | 2006-09-20 | 2011-04-19 | University Of New Hampshire | Thermal management technology for polarizing Xenon |
US9302044B2 (en) | 2006-12-29 | 2016-04-05 | Bayer Healthcare Llc | Patient-based parameter generation systems for medical injection procedures |
CN103976736B (zh) | 2007-07-17 | 2017-01-11 | 拜耳医药保健有限责任公司 | 确定心肺功能评估和输液过程的参数的设备和系统 |
US9076203B2 (en) * | 2007-11-26 | 2015-07-07 | The Invention Science Fund I, Llc | Image guided surgery with dynamic image reconstruction |
WO2009143368A2 (en) * | 2008-05-23 | 2009-11-26 | University Of Utah | Non-cryogenic storage cell for hyperpolarized 129xe |
US9421330B2 (en) | 2008-11-03 | 2016-08-23 | Bayer Healthcare Llc | Mitigation of contrast-induced nephropathy |
WO2011163578A2 (en) | 2010-06-24 | 2011-12-29 | Medrad, Inc. | Modeling of pharmaceutical propagation and parameter generation for injection protocols |
CN104428660A (zh) | 2012-05-14 | 2015-03-18 | 拜耳医疗保健公司 | 用于基于x射线管电压确定药用流体注射协议的系统和方法 |
US9555379B2 (en) | 2013-03-13 | 2017-01-31 | Bayer Healthcare Llc | Fluid path set with turbulent mixing chamber, backflow compensator |
AT514248B1 (de) | 2014-07-04 | 2016-05-15 | Avl List Gmbh | Lineares Regelventil |
US10002428B2 (en) * | 2015-12-01 | 2018-06-19 | Ottawa Hospital Research Institute | Method and system for identifying bleeding |
US10898638B2 (en) | 2016-03-03 | 2021-01-26 | Bayer Healthcare Llc | System and method for improved fluid delivery in multi-fluid injector systems |
US11841351B2 (en) * | 2017-04-25 | 2023-12-12 | Shimadzu Corporation | Sample analysis apparatus |
US11598664B2 (en) | 2017-08-31 | 2023-03-07 | Bayer Healthcare Llc | Injector pressure calibration system and method |
EP3676854A1 (de) | 2017-08-31 | 2020-07-08 | Bayer Healthcare LLC | Beurteilung der impedanz eines flüssigkeitspfades zur verbesserung der flüssigkeitsabgabeleistung |
CN110891630B (zh) | 2017-08-31 | 2022-04-26 | 拜耳医药保健有限公司 | 驱动构件定位和流体注入器系统机械校准的系统和方法 |
JP7317724B2 (ja) | 2017-08-31 | 2023-07-31 | バイエル・ヘルスケア・エルエルシー | 液注入器システムの容積補償システムおよび方法 |
CA3068544A1 (en) | 2017-08-31 | 2019-03-07 | Bayer Healthcare Llc | Method for dynamic pressure control in a fluid injector system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3890959A (en) * | 1971-03-22 | 1975-06-24 | Univ New York | Method for determining discrete localized blood flow in a large volume of tissue |
DE3024459A1 (de) * | 1979-07-03 | 1981-01-08 | Crosfield Electronics Ltd | Pyramideninterpolation |
US4497024A (en) * | 1981-07-01 | 1985-01-29 | General Electric Company | Nuclear image display controller |
JPS58146336A (ja) * | 1982-02-26 | 1983-08-31 | 横河電機株式会社 | X線断層診断装置 |
JPS58152541A (ja) * | 1982-03-05 | 1983-09-10 | 横河電機株式会社 | X線断層診断装置 |
US4504908A (en) * | 1982-03-15 | 1985-03-12 | General Electric Company | Matched filter for X-ray temporal subtraction |
US4534223A (en) * | 1982-09-29 | 1985-08-13 | Schlumberger Technology Corporation | Surface acoustic wave sensors |
JPS59190682A (ja) * | 1983-04-14 | 1984-10-29 | Toshiba Corp | 局所脳血流測定用ct装置 |
JPH0622495B2 (ja) * | 1984-06-20 | 1994-03-30 | 株式会社東芝 | 局所脳血流測定用ct装置 |
GB2161275B (en) * | 1984-07-06 | 1988-04-20 | Picker Int Ltd | Nuclear magnetic resonance method and apparatus |
US4535780A (en) * | 1984-11-07 | 1985-08-20 | General Electric Company | Apparatus for measuring xenon concentration in xenon cerebral blood-flow studies |
US4610258A (en) * | 1984-11-13 | 1986-09-09 | General Electric Company | Method for calculating blood flow using freely diffusible inert gases and CT |
US4622976A (en) * | 1985-04-15 | 1986-11-18 | Enhancer R & D | Method and apparatus for conducting xenon inhalation studies |
US4658827A (en) * | 1985-05-31 | 1987-04-21 | Mayo Medical Resources | Ultrasound scanner for tissue characterization |
-
1986
- 1986-11-24 US US06/933,781 patent/US4793357A/en not_active Expired - Fee Related
-
1987
- 1987-10-30 EP EP87309611A patent/EP0269280B1/de not_active Expired - Lifetime
- 1987-10-30 DE DE8787309611T patent/DE3784452T2/de not_active Expired - Fee Related
- 1987-11-24 JP JP62295960A patent/JP2706939B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3784452T2 (de) | 1993-06-09 |
EP0269280A3 (en) | 1989-10-18 |
EP0269280A2 (de) | 1988-06-01 |
JP2706939B2 (ja) | 1998-01-28 |
US4793357A (en) | 1988-12-27 |
EP0269280B1 (de) | 1993-03-03 |
JPS63143033A (ja) | 1988-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3784452D1 (de) | Verfahren und geraet zur untersuchung eines fluessigen stromes. | |
DE3673226D1 (de) | Verfahren und vorrichtung zur untersuchung von oberflaechen. | |
DE69231249D1 (de) | Gerät und verfahren zur untersuchung von körperflüssigkeit | |
DE3688527D1 (de) | Verfahren und vorrichtung zur behandlung einer fluessigkeit. | |
DE3683958D1 (de) | Verfahren und vorrichtung zur guetepruefung von masken. | |
DE3779178D1 (de) | Verfahren und vorrichtung zur praeparation von gewebeproben. | |
DE3584117D1 (de) | Verfahren zur ultraschallmessung und dazugehoeriges geraet. | |
DE3884498D1 (de) | Programmierbares geraet und verfahren zur pruefung eines programmierbaren geraets. | |
DE3769344D1 (de) | Verfahren zur messung von geruechen und vorrichtung zu diesem zweck. | |
DE3854546D1 (de) | Verfahren und Gerät zur Programmablaufmessung. | |
DE68922874D1 (de) | Verfahren und Gerät zur Blutdruckmessung. | |
DE69030647D1 (de) | Vorrichtung und Verfahren zur Untersuchung eines Halbleiters | |
DE3770368D1 (de) | Verfahren und geraet zur interaktiven bildaenderung. | |
DE3581841D1 (de) | Verfahren zur ermittlung eines infusionsprofils und infusionsvorrichtung. | |
DE3676940D1 (de) | Verfahren und vorrichtung zum selbsttaetigen abtasten von fingerabdruecken. | |
DE3781654D1 (de) | Verfahren und vorrichtung zur ketonmessung. | |
DE3687760D1 (de) | Vorrichtung und verfahren zur koordinatenmessung. | |
DE3682547D1 (de) | Verfahren und vorrichtung zur rekonstruktion von fehlenden farbabtastwerten. | |
DE3687360D1 (de) | Einrichtung und verfahren zur anzeige. | |
DE69008623D1 (de) | Verfahren und Vorrichtung zur Untersuchung von Oberflächenfehlern. | |
DE3672166D1 (de) | Verfahren und vorrichtung zur untersuchung von medien mittels ultraschall-echographie. | |
DE3778954D1 (de) | Verfahren und geraet zur wellenformkombination. | |
DE3770728D1 (de) | Verfahren und vorrichtung zur impulsechomessung. | |
DE3764295D1 (de) | Verfahren und vorrichtung zur pruefung von faeden. | |
DE3675401D1 (de) | Verfahren und einrichtung zur sprachsegmentierung. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC., CLEVELA |
|
8339 | Ceased/non-payment of the annual fee |