JPH0284606U - - Google Patents
Info
- Publication number
- JPH0284606U JPH0284606U JP1989145369U JP14536989U JPH0284606U JP H0284606 U JPH0284606 U JP H0284606U JP 1989145369 U JP1989145369 U JP 1989145369U JP 14536989 U JP14536989 U JP 14536989U JP H0284606 U JPH0284606 U JP H0284606U
- Authority
- JP
- Japan
- Prior art keywords
- ray
- effective
- ray diagnostic
- center line
- diagnostic device
- 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.)
- Pending
Links
- 230000004907 flux Effects 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 claims 1
- 238000003745 diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 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
- A61B6/502—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 diagnosis of breast, i.e. mammography
-
- 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
- A61B6/06—Diaphragms
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
- G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Radiography Using Non-Light Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/285,485 US4947417A (en) | 1988-12-16 | 1988-12-16 | Adjusting arrangement for radio-diagnostic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0284606U true JPH0284606U (US20030199744A1-20031023-C00003.png) | 1990-07-02 |
Family
ID=23094443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989145369U Pending JPH0284606U (US20030199744A1-20031023-C00003.png) | 1988-12-16 | 1989-12-15 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4947417A (US20030199744A1-20031023-C00003.png) |
| EP (1) | EP0373285A1 (US20030199744A1-20031023-C00003.png) |
| JP (1) | JPH0284606U (US20030199744A1-20031023-C00003.png) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2646518B1 (fr) * | 1989-04-28 | 1991-08-16 | Gen Electric Cgr | Dispositif de controle de radiation a surface active modulable du type sensible au rayonnement ionisant |
| US5189686A (en) * | 1990-10-02 | 1993-02-23 | American Mammographics, Inc. | Adjustable mounting base for mammographic spot compression and magnification platform |
| DE4228082C1 (en) * | 1992-08-24 | 1993-09-09 | Siemens Ag, 80333 Muenchen, De | Aperture esp. for X=ray beam - has aperture plate elastically conformable to test object shape |
| US5627869A (en) * | 1995-11-22 | 1997-05-06 | Thermotrex Corporation | Mammography apparatus with proportional collimation |
| FR2770677B1 (fr) * | 1997-11-03 | 1999-12-24 | Ge Medical Syst Sa | Filtre de conformation de faisceau de rayon-x a surface variable et appareil d'imagerie pour rayon-x incorporant un tel filtre |
| US7609806B2 (en) * | 2004-10-18 | 2009-10-27 | Hologic Inc. | Mammography system and method employing offset compression paddles, automatic collimations, and retractable anti-scatter grid |
| US7443949B2 (en) | 2001-10-19 | 2008-10-28 | Hologic, Inc. | Mammography system and method employing offset compression paddles, automatic collimation, and retractable anti-scatter grid |
| US7046756B2 (en) * | 2003-05-20 | 2006-05-16 | General Electric Company | Rotatable filter for a pre-subject CT collimator having multiple filtering profiles |
| US6968030B2 (en) * | 2003-05-20 | 2005-11-22 | General Electric Company | Method and apparatus for presenting multiple pre-subject filtering profiles during CT data acquisition |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2007774A1 (de) * | 1970-02-20 | 1971-09-02 | Siemens Ag | Einrichtung zur Anfertigung von rontgenologischen Mammaaufnahmen |
| CA1147069A (en) * | 1981-01-16 | 1983-05-24 | Pierre Charrier | Shield device for controlling the dose of x-rays applied in an x-ray machine |
| US4399550A (en) * | 1981-02-27 | 1983-08-16 | General Electric Company | Spinning filter for X-ray apparatus |
| DE3437576A1 (de) * | 1984-10-13 | 1986-04-17 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Blendenanordnung fuer ein mammographie-roentgengeraet |
-
1988
- 1988-12-16 US US07/285,485 patent/US4947417A/en not_active Expired - Fee Related
-
1989
- 1989-04-05 EP EP89105970A patent/EP0373285A1/de not_active Ceased
- 1989-12-15 JP JP1989145369U patent/JPH0284606U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0373285A1 (de) | 1990-06-20 |
| US4947417A (en) | 1990-08-07 |
