NL192971C - CT-aftaster met een om de as daarvan draaibare stralingsbron en een op die as gerichte rij detectoren. - Google Patents
CT-aftaster met een om de as daarvan draaibare stralingsbron en een op die as gerichte rij detectoren. Download PDFInfo
- Publication number
- NL192971C NL192971C NL8501531A NL8501531A NL192971C NL 192971 C NL192971 C NL 192971C NL 8501531 A NL8501531 A NL 8501531A NL 8501531 A NL8501531 A NL 8501531A NL 192971 C NL192971 C NL 192971C
- Authority
- NL
- Netherlands
- Prior art keywords
- axis
- sources
- row
- scanner
- detectors
- Prior art date
Links
- 230000005855 radiation Effects 0.000 title description 4
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4275—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4007—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4078—Fan-beams
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/614,547 US4669103A (en) | 1984-05-29 | 1984-05-29 | CT scanner with rotatable fan beam and non-rotatable detector ring |
US61454784 | 1984-05-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8501531A NL8501531A (nl) | 1985-12-16 |
NL192971B NL192971B (nl) | 1998-03-02 |
NL192971C true NL192971C (nl) | 1998-07-03 |
Family
ID=24461722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8501531A NL192971C (nl) | 1984-05-29 | 1985-05-29 | CT-aftaster met een om de as daarvan draaibare stralingsbron en een op die as gerichte rij detectoren. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4669103A (de) |
JP (1) | JPH0773573B2 (de) |
DE (1) | DE3518995C2 (de) |
FR (1) | FR2565092B1 (de) |
IL (1) | IL75265A (de) |
NL (1) | NL192971C (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0798039B2 (ja) * | 1988-07-20 | 1995-10-25 | 三菱電機株式会社 | コンピュータ断層撮影装置 |
US5042487A (en) * | 1989-11-13 | 1991-08-27 | Marquardt Mark R | Examination unit including positionable patient chair, examination device and support system |
IL98945A0 (en) * | 1991-07-24 | 1992-07-15 | Elscint Ltd | Multiple slice ct scanner |
US5335255A (en) * | 1992-03-24 | 1994-08-02 | Seppi Edward J | X-ray scanner with a source emitting plurality of fan beams |
US5966422A (en) * | 1992-07-20 | 1999-10-12 | Picker Medical Systems, Ltd. | Multiple source CT scanner |
FI104945B (fi) * | 1998-06-26 | 2000-05-15 | Planmeca Oy | Menetelmä, laite ja niiden käyttö tomografiakuvantamisessa |
US7280631B2 (en) * | 2003-11-26 | 2007-10-09 | General Electric Company | Stationary computed tomography system and method |
US7142629B2 (en) * | 2004-03-31 | 2006-11-28 | General Electric Company | Stationary computed tomography system and method |
US9271689B2 (en) * | 2010-01-20 | 2016-03-01 | General Electric Company | Apparatus for wide coverage computed tomography and method of constructing same |
US8472583B2 (en) | 2010-09-29 | 2013-06-25 | Varian Medical Systems, Inc. | Radiation scanning of objects for contraband |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3432657A (en) * | 1965-07-06 | 1969-03-11 | Intelligent Instr Inc | X-ray helical scanning means for displaying an image of an object within the body being scanned |
GB1468810A (en) * | 1973-05-05 | 1977-03-30 | Emi Ltd | Radiography |
US4129783A (en) * | 1976-05-06 | 1978-12-12 | General Electric Company | High speed computerized tomography imaging system |
DE2714759C3 (de) * | 1977-04-01 | 1981-03-26 | Siemens AG, 1000 Berlin und 8000 München | Röntgendiagnostikgerät zur Herstellung von Transversalschichtbildern |
US4137455A (en) * | 1977-06-29 | 1979-01-30 | Emi Limited | Medical radiographic apparatus with means for notating detector ring |
US4289969A (en) * | 1978-07-10 | 1981-09-15 | Butler Greenwich Inc. | Radiation imaging apparatus |
JPS5546408A (en) * | 1978-09-29 | 1980-04-01 | Toshiba Corp | X-ray device |
DE2938289A1 (de) * | 1979-09-21 | 1981-04-02 | Siemens AG, 1000 Berlin und 8000 München | Schichtgeraet zur herstellung von transversalschichtbildern eines aufnahmeobjektes |
-
1984
- 1984-05-29 US US06/614,547 patent/US4669103A/en not_active Expired - Lifetime
-
1985
- 1985-05-21 IL IL75265A patent/IL75265A/xx unknown
- 1985-05-24 FR FR8507884A patent/FR2565092B1/fr not_active Expired
- 1985-05-25 DE DE3518995A patent/DE3518995C2/de not_active Expired - Fee Related
- 1985-05-29 NL NL8501531A patent/NL192971C/nl not_active IP Right Cessation
- 1985-05-29 JP JP60117662A patent/JPH0773573B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IL75265A (en) | 1991-08-16 |
US4669103A (en) | 1987-05-26 |
IL75265A0 (en) | 1985-09-29 |
NL192971B (nl) | 1998-03-02 |
NL8501531A (nl) | 1985-12-16 |
DE3518995A1 (de) | 1986-02-13 |
FR2565092B1 (fr) | 1988-03-04 |
FR2565092A1 (fr) | 1985-12-06 |
JPH0773573B2 (ja) | 1995-08-09 |
JPS6182737A (ja) | 1986-04-26 |
DE3518995C2 (de) | 1996-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 20041201 |