FR2423949A1 - Dispositif de prise de vues radiographiques - Google Patents
Dispositif de prise de vues radiographiquesInfo
- Publication number
- FR2423949A1 FR2423949A1 FR7909890A FR7909890A FR2423949A1 FR 2423949 A1 FR2423949 A1 FR 2423949A1 FR 7909890 A FR7909890 A FR 7909890A FR 7909890 A FR7909890 A FR 7909890A FR 2423949 A1 FR2423949 A1 FR 2423949A1
- Authority
- FR
- France
- Prior art keywords
- focal point
- viewing device
- primary diaphragm
- light
- distance
- 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.)
- Granted
Links
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
- A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
- A61B6/587—Alignment of source unit to detector unit
-
- 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
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
Abstract
L'invention concerne un dispositif de prise de vues radiographiques. Dans ce dispositif comportant un tube à rayons 1, un diaphragme primaire 12, une cassette 3 pour films, et un viseur lumineux, au tube 1 et au diaphragme primaire 12 sont associées des sources de lumières 7, 14 orientées de manière que leurs faisceaux 10, produisant des marques lumineuses sur un porte-cassette 2, et/ou leurs contours ombrés 18 s'intersectent en formant un angle aigu, pour lequel la distance du sommet 19 par rapport au foyer correspond à la distance foyer-film. Application notamment aux appareils de radiodiagnostic.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782817391 DE2817391A1 (de) | 1978-04-20 | 1978-04-20 | Roentgenaufnahmevorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2423949A1 true FR2423949A1 (fr) | 1979-11-16 |
FR2423949B1 FR2423949B1 (fr) | 1983-02-18 |
Family
ID=6037621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7909890A Granted FR2423949A1 (fr) | 1978-04-20 | 1979-04-19 | Dispositif de prise de vues radiographiques |
Country Status (4)
Country | Link |
---|---|
US (1) | US4246486A (fr) |
DE (1) | DE2817391A1 (fr) |
FR (1) | FR2423949A1 (fr) |
SE (1) | SE7903226L (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836671A (en) * | 1985-04-08 | 1989-06-06 | Charles Lescrenier | Locating device |
US4752948A (en) * | 1986-12-01 | 1988-06-21 | University Of Chicago | Mobile radiography alignment device |
DE4008778A1 (de) * | 1990-03-06 | 1991-09-12 | Siemens Ag | Roentgenaufnahmevorrichtung |
US5241578A (en) * | 1991-12-02 | 1993-08-31 | Arch Development Corporation | Optical grid alignment system for portable radiography and portable radiography apparatus incorporating same |
US5388143A (en) * | 1993-11-26 | 1995-02-07 | Arch Development Corporation | Alignment method for radiography and radiography apparatus incorporating same |
US5680436A (en) * | 1994-11-07 | 1997-10-21 | Nyzen; Richard C. | Apparatus for mounting a cylindrical item, such as an x-ray tube, to a surface |
US5533090A (en) * | 1994-11-07 | 1996-07-02 | Nyzen; Richard C. | Apparatus for adjusting and aligning the position of x-ray equipment |
DE19502356A1 (de) * | 1995-01-26 | 1996-08-08 | Laser Applikationan Gmbh | Zielvorrichtung für das geradlinige Einführen eines Instruments in einen menschlichen Körper |
US6447163B1 (en) | 1999-09-30 | 2002-09-10 | Siemens Corporate Research, Inc. | Method for aligning and superimposing X-ray and video images |
US6227704B1 (en) * | 1999-09-30 | 2001-05-08 | Siemens Corporate Research, Inc. | Laser-based method for aligning apparatus for superimposing X-ray and video images |
US7281849B2 (en) * | 2004-07-21 | 2007-10-16 | General Electric Company | System and method for alignment of an object in a medical imaging device |
DE102004050428B4 (de) * | 2004-10-15 | 2006-09-28 | Mtu Aero Engines Gmbh | Vorrichtung und Verfahren zur Darstellung der Wirkrichtung eines Arbeitsmittels |
US20090041201A1 (en) | 2007-08-06 | 2009-02-12 | Carestream Health, Inc. | Alignment apparatus for imaging system |
US7806591B2 (en) * | 2007-09-27 | 2010-10-05 | Carestream Health, Inc. | Alignment apparatus for imaging system using reflective element |
US8867705B2 (en) | 2010-04-13 | 2014-10-21 | Carestream Health, Inc. | Display of AEC sensor location |
US8821017B2 (en) | 2010-04-13 | 2014-09-02 | Carestream Health, Inc. | Projector as collimator light |
US8827554B2 (en) | 2010-04-13 | 2014-09-09 | Carestream Health, Inc. | Tube alignment for mobile radiography system |
US8873712B2 (en) | 2010-04-13 | 2014-10-28 | Carestream Health, Inc. | Exposure control using digital radiography detector |
US10165992B2 (en) | 2010-10-18 | 2019-01-01 | Carestream Health, Inc. | X-ray imaging systems and devices |
US8821015B2 (en) | 2011-03-08 | 2014-09-02 | Carestream Health, Inc. | Alignment apparatus for X-ray imaging system |
CN103959049B (zh) * | 2011-11-25 | 2017-10-10 | 阿里贝克斯公司 | x射线距离指示器和相关方法 |
CN103126691B (zh) * | 2011-11-25 | 2016-08-03 | 深圳迈瑞生物医疗电子股份有限公司 | 限束器、放射影像设备及x线辐射野指示方法 |
ES2658965T3 (es) | 2012-02-22 | 2018-03-13 | Carestream Health, Inc. | Aparatos/procedimientos radiográficos móviles con capacidad de tomosínteis |
US10722200B2 (en) * | 2015-06-04 | 2020-07-28 | Siemens Healthcare Gmbh | Apparatus and methods for a projection display device on X-ray imaging devices |
KR101798939B1 (ko) | 2015-09-08 | 2017-11-17 | 삼성전자주식회사 | 엑스선 영상 장치 및 그 제어방법 |
KR102190031B1 (ko) * | 2017-11-07 | 2020-12-11 | 삼성전자주식회사 | 엑스선 영상 장치 및 그 제어방법 |
KR102503241B1 (ko) * | 2021-03-17 | 2023-02-24 | 제이피아이헬스케어(주) | 다방향 촬영이 가능한 디지털 토모신세시스 시스템 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR63686E (fr) * | 1953-01-16 | 1955-09-30 | Radiologie Cie Gle | Centreur lumineux |
FR1217696A (fr) * | 1958-09-26 | 1960-05-05 | Picker X Ray Corp Waite Mfg | Appareil de radiographie |
DE1105634B (de) * | 1959-06-27 | 1961-04-27 | Siemens Reiniger Werke Ag | Lichtvisier fuer Strahlenmessgeraete oder Bestrahlungsgeraete |
DE1466909A1 (de) * | 1965-03-31 | 1969-06-04 | Siemens Ag | Strahlentherapiegeraet |
DE2200816A1 (de) * | 1972-01-08 | 1973-07-12 | Siemens Ag | Lichtvisier-anordnung |
FR2343272A1 (fr) * | 1976-03-01 | 1977-09-30 | Siemens Ag | Dispositif de prise de vues radiographiques |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1976179A (en) * | 1930-04-28 | 1934-10-09 | Mannl Rudolf | Adjusting device for x-ray tubes |
US2659824A (en) * | 1949-01-12 | 1953-11-17 | Robert C Brown Jr | Position indicating means for x-ray projectors |
-
1978
- 1978-04-20 DE DE19782817391 patent/DE2817391A1/de not_active Withdrawn
-
1979
- 1979-03-12 US US06/019,452 patent/US4246486A/en not_active Expired - Lifetime
- 1979-04-11 SE SE7903226A patent/SE7903226L/xx not_active Application Discontinuation
- 1979-04-19 FR FR7909890A patent/FR2423949A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR63686E (fr) * | 1953-01-16 | 1955-09-30 | Radiologie Cie Gle | Centreur lumineux |
FR1217696A (fr) * | 1958-09-26 | 1960-05-05 | Picker X Ray Corp Waite Mfg | Appareil de radiographie |
DE1105634B (de) * | 1959-06-27 | 1961-04-27 | Siemens Reiniger Werke Ag | Lichtvisier fuer Strahlenmessgeraete oder Bestrahlungsgeraete |
DE1466909A1 (de) * | 1965-03-31 | 1969-06-04 | Siemens Ag | Strahlentherapiegeraet |
DE2200816A1 (de) * | 1972-01-08 | 1973-07-12 | Siemens Ag | Lichtvisier-anordnung |
FR2343272A1 (fr) * | 1976-03-01 | 1977-09-30 | Siemens Ag | Dispositif de prise de vues radiographiques |
Also Published As
Publication number | Publication date |
---|---|
DE2817391A1 (de) | 1979-10-31 |
FR2423949B1 (fr) | 1983-02-18 |
SE7903226L (sv) | 1979-10-21 |
US4246486A (en) | 1981-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |