GB2340014B - Computed tomography scanner with reduced power x-ray source - Google Patents

Computed tomography scanner with reduced power x-ray source

Info

Publication number: GB2340014B
Authority: GB; United Kingdom
Prior art keywords: ray source; computed tomography; reduced power; tomography scanner; scanner
Prior art date: 1995-11-02
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

Inventor

Bernard M Gordon

John Dobbs

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Analogic Corp

Original Assignee

Analogic Corp

Priority date (The priority date 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 date listed.)

1995-11-02

Filing date

1996-11-01

Publication date

2000-04-26

1996-10-30Priority claimed from US08/739,543external-prioritypatent/US5867553A/en

1996-11-01Application filed by Analogic CorpfiledCriticalAnalogic Corp

1999-12-15Publication of GB9924420D0publicationCriticalpatent/GB9924420D0/en

2000-02-09Publication of GB2340014ApublicationCriticalpatent/GB2340014A/en

2000-04-26Application grantedgrantedCritical

2000-04-26Publication of GB2340014BpublicationCriticalpatent/GB2340014B/en

2016-11-01Anticipated expirationlegal-statusCritical

StatusExpired - Fee Relatedlegal-statusCriticalCurrent

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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4071—Pencil beams
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Medical Informatics (AREA)
Radiology & Medical Imaging (AREA)
Molecular Biology (AREA)
Biophysics (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Optics & Photonics (AREA)
Pathology (AREA)
Physics & Mathematics (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
High Energy & Nuclear Physics (AREA)
Surgery (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Pulmonology (AREA)
Theoretical Computer Science (AREA)
Apparatus For Radiation Diagnosis (AREA)

GB9924420A1995-11-021996-11-01Computed tomography scanner with reduced power x-ray sourceExpired - Fee RelatedGB2340014B (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US55206495A	1995-11-02	1995-11-02
US08/739,543US5867553A (en)	1995-11-02	1996-10-30	Computed tomography scanner with reduced power x-ray source
GB9805862AGB2320878B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source

Publications (3)

Publication Number	Publication Date
GB9924420D0 GB9924420D0 (en)	1999-12-15
GB2340014A GB2340014A (en)	2000-02-09
GB2340014Btrue GB2340014B (en)	2000-04-26

Family

ID=27269248

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
GB9924420AExpired - Fee RelatedGB2340014B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source
GB9924423AExpired - Fee RelatedGB2340015B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source
GB9924409AExpired - Fee RelatedGB2340012B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source
GB9924416AExpired - Fee RelatedGB2340013B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
GB9924423AExpired - Fee RelatedGB2340015B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source
GB9924409AExpired - Fee RelatedGB2340012B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source
GB9924416AExpired - Fee RelatedGB2340013B (en)	1995-11-02	1996-11-01	Computed tomography scanner with reduced power x-ray source

Country Status (1)

Country	Link
GB (4)	GB2340014B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4365155A (en)*	1979-03-28	1982-12-21	Hitachi, Ltd.	Scintillator with ZnWO4 single crystal
US4547893A (en)*	1981-06-12	1985-10-15	Analogic Corporation	Continuous wave fan beam tomography system having a best-estimating filter
US4785354A (en)*	1984-12-28	1988-11-15	Bridgestone Corporation	Tire load test CT scanner
US4991189A (en)*	1990-04-16	1991-02-05	General Electric Company	Collimation apparatus for x-ray beam correction
US5128864A (en)*	1989-08-09	1992-07-07	W. L. Systems, Inc.	Method for computing tomographic scans
WO1994024939A1 (en)*	1993-04-22	1994-11-10	Lunar Corporation	Reduced field-of-view ct system for imaging compact embedded structures
US5550886A (en)*	1994-11-22	1996-08-27	Analogic Corporation	X-Ray focal spot movement compensation system

1996
- 1996-11-01GBGB9924420Apatent/GB2340014B/ennot_activeExpired - Fee Related
- 1996-11-01GBGB9924423Apatent/GB2340015B/ennot_activeExpired - Fee Related
- 1996-11-01GBGB9924409Apatent/GB2340012B/ennot_activeExpired - Fee Related
- 1996-11-01GBGB9924416Apatent/GB2340013B/ennot_activeExpired - Fee Related

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4365155A (en)*	1979-03-28	1982-12-21	Hitachi, Ltd.	Scintillator with ZnWO4 single crystal
US4547893A (en)*	1981-06-12	1985-10-15	Analogic Corporation	Continuous wave fan beam tomography system having a best-estimating filter
US4785354A (en)*	1984-12-28	1988-11-15	Bridgestone Corporation	Tire load test CT scanner
US5128864A (en)*	1989-08-09	1992-07-07	W. L. Systems, Inc.	Method for computing tomographic scans
US4991189A (en)*	1990-04-16	1991-02-05	General Electric Company	Collimation apparatus for x-ray beam correction
WO1994024939A1 (en)*	1993-04-22	1994-11-10	Lunar Corporation	Reduced field-of-view ct system for imaging compact embedded structures
US5550886A (en)*	1994-11-22	1996-08-27	Analogic Corporation	X-Ray focal spot movement compensation system

Also Published As

Publication number	Publication date
GB2340012A (en)	2000-02-09
GB9924409D0 (en)	1999-12-15
GB2340013A (en)	2000-02-09
GB2340013B (en)	2000-04-26
GB2340014A (en)	2000-02-09
GB9924423D0 (en)	1999-12-15
GB9924420D0 (en)	1999-12-15
GB9924416D0 (en)	1999-12-15
GB2340015A (en)	2000-02-09
GB2340012B (en)	2000-04-26
GB2340015B (en)	2000-04-26

Publication	Publication Date	Title
GB2320878B (en)	2000-04-26	Computed tomography scanner with reduced power x-ray source
AU7164094A (en)	1994-12-15	Improved X-ray volumetric CT scanner
IL99999A0 (en)	1992-08-18	Helical scanning computed tomography with tracking x-ray source
AU9025398A (en)	1999-05-03	Rotary energy shield for computed tomography scanner
AU1740095A (en)	1995-08-29	X-ray tomographic scanning system
EP0744158A3 (en)	1997-05-14	Computed tomography scanner apparatus
AU9108598A (en)	1999-05-03	Computed tomography scanner drive system and bearing
DE69323232D1 (en)	1999-03-11	X-ray scanner with multiple image generation
IL142306A0 (en)	2002-03-10	X-ray source
IL127121A0 (en)	1999-09-22	Computed tomography fluoroscopy system
AU3280499A (en)	1999-09-27	Ultra-small-angle x-ray tomography
GB2255887B (en)	1995-05-03	Electron beam x-ray computer tomography scanner
DE69531816D1 (en)	2003-10-30	Scanner for computed tomography
GB9308981D0 (en)	1993-06-16	Laser-excited x-ray source
EP0487243A3 (en)	1992-12-16	Computed tomography
EP0491471A3 (en)	1992-09-30	High power x-ray tube
GB2347756B (en)	2001-08-01	A radiation source and imaging system
IL114011A0 (en)	1995-10-31	Backprojection for X-ray CT system
GB9302452D0 (en)	1993-03-24	Computed tomography
GB2340012B (en)	2000-04-26	Computed tomography scanner with reduced power x-ray source
IL136536A0 (en)	2001-06-14	Computed tomography scanner with reduced power x-ray source
IL118989A0 (en)	1996-11-14	Multople source CT scanner
GB9502804D0 (en)	1995-04-05	X-Ray source
GB9422642D0 (en)	1995-01-04	Radiation source
GB9622499D0 (en)	1997-01-08	Radiation source

Legal Events

Date	Code	Title	Description
2002-06-19	PCNP	Patent ceased through non-payment of renewal fee	Effective date:20011101

Movatterモバイル変換