WO2006061357A1 - Automate de radioexposition pour un mammographe - Google Patents

Automate de radioexposition pour un mammographe Download PDF

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Publication number
WO2006061357A1
WO2006061357A1 PCT/EP2005/056444 EP2005056444W WO2006061357A1 WO 2006061357 A1 WO2006061357 A1 WO 2006061357A1 EP 2005056444 W EP2005056444 W EP 2005056444W WO 2006061357 A1 WO2006061357 A1 WO 2006061357A1
Authority
WO
WIPO (PCT)
Prior art keywords
ray exposure
exposure machine
machine according
detector
measuring surface
Prior art date
Application number
PCT/EP2005/056444
Other languages
German (de)
English (en)
Inventor
Martin Ramsauer
Peter Tichy
Original Assignee
Siemens Aktiengesellschaft
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.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2006061357A1 publication Critical patent/WO2006061357A1/fr
Priority to FI20070473A priority Critical patent/FI20070473A/fi

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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
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • A61B6/0414—Supports, e.g. tables or beds, for the body or parts of the body with compression means
    • 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
    • A61B6/587—Alignment of source unit to detector unit

Definitions

  • the invention relates to an X-ray exposure machine for a mammography device according to the preamble of patent claim 1;
  • Such an X-ray exposure machine is known from the book "Mammadiagnostik für MTRA und ⁇ soured" by Prof. Dr. Heinz Otto (Springer-Verlag, 2002).
  • mammography devices In mammography of a breast, it is necessary due to an exception compared to other parts of the body to X-rays relatively permeable fabric for a high-contrast radiographs ⁇ , permanently very adjust the x-ray just to the particular shape of the breast in its exposure. Therefore, mammography devices usually have an X-ray exposure machine that controls the exposure time depending on a dose of the X-ray penetrating the breast as measured by a detector.
  • the mammography device shown in FIG. 4.2 shown in the book “Mammadiagnostik für MTRA und ⁇ Anlagen” by Prof. Dr. Heinz Otto (Springer-Verlag, 2002, ISBN 3540419551) on page 23 is a mammography device with a
  • Metal chamber detector called an automatic exposure control which can be positioned by parallel displacement in adaptation to a to be examined breast.
  • Be ⁇ humor of the exposure it has been found suitable particularly Ge, front the detector below the
  • EP 0 471 883 B1 discloses a position- bound detector for an automatic exposure system formed from a matrix of detector elements, the detector measuring surface of which is referred to as "measuring field" in each case different detector elements is automatically selectable.
  • the invention is based on the object of an exposure machines ⁇ to create, which allows a simple and precise positio ⁇ discrimination of its detector measurement area with respect to a person to be ⁇ seeking breast.
  • the position of the detector measuring surface during its positioning can be read directly in relation to the breast, whereby on the one hand a simple and thus also fast and on the other hand an exact and therefore in the sense an avoidance of incorrect exposures efficient positioning is enabled.
  • the display is provided in the form of an optical signal which is dependent on the respective position of the detector measuring surface and projected in particular onto the breast.
  • Such a display has the further advantage that it can be removed by simply switching off the optical signal from the radiation area of the X-radiation used for the examination.
  • FIG. 1 shows in side view the U-arm of an X-ray exposure Mammographiege- Raets with a machine comprising a movable laser beam source for display ei ⁇ ner respective position of a movable detector;
  • FIG. 2 shows a side view of the U-arm of an X-ray exposure Mammographiege- Raets with a machine comprising a tiltable light source to display a jewei ⁇ time position of a read part of each surface of a positional detector
  • 3 shows a side view of the U-arm of a mammography apparatus with an X-ray exposure machine with a displaceable detector according to FIG. 1 and with a wire displaceable in a light beam for indicating the respective position of the detector by shadowing the wire;
  • FIG. 4 shows a side view of the U-arm of a mammography apparatus with an X-ray exposure machine with a displaceable detector according to FIG. 1 and with a mechanical pointer for indicating the respective position of the detector;
  • FIG. 5 shows a top view of a detail of the U-arm according to FIG. 1 with the display of the position of the detector measuring surface by a laser beam line;
  • FIG. 6 shows a plan view of the detail according to FIG. 5 with the display showing a light projection corresponding to the shape of a circular segment-shaped detector measuring surface.
  • FIGS. 1-4 shows, in its basic structure, a U-arm 1-4 of a mammography apparatus, which also accommodates the elements of the exposure apparatus according to the invention. 1-4, a carrier part 5, an X-ray source 6, an object table 7 with a film-foil system 8 and a breast which can be compressed on the object table 7 and compressed by a compression unit 11 which can be height-adjusted in the direction 10 9.
  • a carrier part 5 an X-ray source 6
  • an object table 7 with a film-foil system 8 and a breast which can be compressed on the object table 7 and compressed by a compression unit 11 which can be height-adjusted in the direction 10 9.
  • four embodiments of the automatic exposure device according to the invention are shown with a detectable with respect to the chest detector measuring surface, where various detector designs and means for generating a display 12, 33 of the respective position of the detector measuring surface in the field of view are provided on the chest 9.
  • FIG. 1 shows a lateral view of a U-arm 1 with a first embodiment of an exposure apparatus according to the invention comprising a detector 13 which is positionable together with a detector measuring surface 14 as part of the detector 13 with respect to the breast 9 by shifting in the direction 15, and a synchronously with the detector displaceable source 16 of an optical signal.
  • a particularly sharp display 12 is generated by an optical signal in the form ei ⁇ nes laser beam 17, wherein a parallel displacement of the laser beam 17 is provided dependent on the direction of displacement 18 of the respective position of the detector measuring surface 14 in a particularly simple manner.
  • the source 16 for the laser beam 17 is arranged structurally simply above the breast 9 in the direction of the parallel displaceability of the laser beam 17 in the direction of displacement 18 parallel to the carrier part 5 of the U-arm 1.
  • the parallel displacement with this vertical vice beam incident on the breast an otherwise necessary consideration eliminates a change in distance between the source 16 and the projected adorned display 12.
  • an electronic control device 38 through which the source 16 of the laser beam 17 in its displacement ⁇ position according to each of a sensor 36, here by means of an infrared signal 37, measured position of the De ⁇ detector 13 is controllable.
  • FIG. 2 shows a lateral view of a U-arm 2 with another embodiment of an exposure apparatus according to the invention, which contains a position-bound, large-area detector 19 with matrix elements 20.1-20.11, which can be read separately in the sense of a distance shift, and a tiltable source 22 of an optical signal.
  • a detector measuring surface 21 can be selected, which is displaced by a selection of a respective other subarea.
  • an optical signal in the form of a likewise consistent with good Detect ⁇ bility advantageous light beam 23 is provided, the direction in existing Sonders simple manner in its direction depending on the position of the detector measuring surface 21 in swiveling 24 and is thus changeable in its radiation angle relative to the breast.
  • This is made possible with particularly little technical effort by means of an arrangement of the source 22 of the light beam 23 on the compression unit 11 which can be tilted correspondingly by swiveling.
  • This type of on ⁇ arrangement is particularly compact and allows the mammography apparatus a particularly collision-free with an insertion portion 25 of an existing during the examination X-ray radiation, space-saving construction 10.
  • an electronic control device 39 is provided according to an advantageous embodiment of the invention by which the source 22 of the light beam 23 in its tilting angle according to the respective position of ⁇ read, the read-out region 21 corresponding partial area is controllable.
  • Figure 3 shows a side view of a U-arm with a third embodiment of an exposure machine according to the invention, compared to the exposure apparatus shown in Figure 1 instead of the direct beam display on the chest a displaceable in a light beam 26 wire 27 for displaying the respective position of the detector 13 by Cast shadow 28 of this wire on the chest.
  • a displaceable in a light beam 26 wire 27 for displaying the respective position of the detector 13 by Cast shadow 28 of this wire on the chest.
  • it is dependent on the position of the detector 13 in the direction of displacement 29 slidable shadow 28 and on the other hand, the position of the breast itself by their lighting ⁇ tion with the light beam 26 well recognizable.
  • the effort for generating the aforementioned light beam 26 can be substantially reduced by the joint use of a provided for setting the X-ray aperture light visor - as described in more detail below.
  • FIG. 4 shows, in a side view, a U-arm with a fourth exemplary embodiment of an exposure apparatus according to the invention, which is opposite to that shown in FIG.
  • Exposure machine instead of the laser beam source 16 has a movable with the detector mechanical pointer 33 in the field of view on the chest 9 to display the respective position of the detector 13.
  • FIG. 5 shows a plan view of a section of the U-arm according to FIG. 1, the object table 7, the compression unit 11, the breast 9 and the displaceable in the direction 18 display 12, here in the form of a laser beam line, are shown.
  • FIG. 6 shows a plan view of the detail of the U-arm according to FIG. 5, wherein a display 34 which is displaceable in the direction of displacement 35 is provided by a light projection corresponding to the shape of a circular segment-shaped detector measuring surface, in order to adapt the exposure time to the exact time Breast texture necessary to make complete coverage of the detector area through the breast displayable.
  • the invention can in principle be summarized as follows:
  • the invention relates to an X-ray exposure machine for a mammography device having a tersuchende with respect to a to un ⁇ breast 9 positionable detector measuring surface 14, whose respective position for easy and exact positioning of the detector measuring surface 14 by a display 12 , in particular in the form of an optical signal, in the field of vision the breast 9 can be displayed.

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

Abstract

L'invention concerne un automate de radioexposition destiné à un mammographe et comprenant une surface de mesure détectrice (14) positionnable par rapport à un sein (9) à examiner. L'invention vise à permettre un positionnement simple et exact de la surface de mesure détectrice (14). A cet effet, la position respective de la surface de mesure détectrice peut être visualisée par une indication (12), notamment sous la forme d'un signal optique (17 ou 23 ou 28), dans le champ visuel sur le sein (9).
PCT/EP2005/056444 2004-12-10 2005-12-02 Automate de radioexposition pour un mammographe WO2006061357A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20070473A FI20070473A (fi) 2004-12-10 2007-06-14 Röntgenvalotusautomaatti mammografialaitetta varten

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410059661 DE102004059661A1 (de) 2004-12-10 2004-12-10 Röntgenbelichtungsautomat für ein Mammographiegerät
DE102004059661.1 2004-12-10

Publications (1)

Publication Number Publication Date
WO2006061357A1 true WO2006061357A1 (fr) 2006-06-15

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ID=35695598

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/056444 WO2006061357A1 (fr) 2004-12-10 2005-12-02 Automate de radioexposition pour un mammographe

Country Status (4)

Country Link
CN (1) CN101111190A (fr)
DE (1) DE102004059661A1 (fr)
FI (1) FI20070473A (fr)
WO (1) WO2006061357A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008090118A1 (fr) * 2007-01-23 2008-07-31 Siemens Aktiengesellschaft Dispositif et procédé pour un diagnostic médical
CN100464695C (zh) * 2007-03-21 2009-03-04 北京师范大学 乳腺光学参数测量仪
WO2009106391A1 (fr) * 2008-02-26 2009-09-03 Siemens Aktiengesellschaft Appareil radiographique médical et système radiographique médical
WO2011141763A1 (fr) * 2010-05-12 2011-11-17 Trophy Appareil d'alignement pour radiographie intrabuccale dentaire
WO2020069031A1 (fr) * 2018-09-25 2020-04-02 Hologic, Inc. Ensembles lumière et procédés pour systèmes d'imagerie de mammographie et de tomosynthèse
EP3692921A1 (fr) * 2019-02-08 2020-08-12 Fujifilm Corporation Système de radiographie, système d'imagerie médicale, procédé de commande et programme de commande
US11801018B2 (en) 2020-09-24 2023-10-31 Hologic, Inc. Light source for an imaging system and methods of the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008055737A1 (de) * 2008-11-04 2010-05-06 Siemens Aktiengesellschaft Tomosynthesegerät
CN102090899B (zh) * 2009-12-14 2013-04-03 株式会社东芝 X射线ct装置及其控制方法
CN101816567A (zh) * 2010-03-31 2010-09-01 桂林电子科技大学 乳腺x线摄片方法
FR2969919B1 (fr) * 2011-01-03 2013-01-11 Gen Electric Procede d'aide au positionnement d'un organe sur un support d'un systeme d'acquisition d'images medicales

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255657A (en) * 1979-06-05 1981-03-10 Charles Lescrenier Diverging plane positioning device
US5267295A (en) * 1989-11-23 1993-11-30 Planmed Oy Methods and device related to automatic exposure in X-ray diagnostics in particular in mammography
EP0471883B1 (fr) * 1990-08-24 1994-11-02 Siemens Aktiengesellschaft Régulateur automatique d'exposition à rayons X
JPH1020425A (ja) * 1996-06-30 1998-01-23 Shimadzu Corp Ｘ線撮影装置
US6047042A (en) * 1998-03-25 2000-04-04 Continental X-Ray Corporation Automatic exposure and brightness control for fluoroscopic and radio-graphic imaging
US6327336B1 (en) * 2000-06-05 2001-12-04 Direct Radiography Corp. Radiogram showing location of automatic exposure control sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330787A1 (de) * 1993-09-10 1995-03-23 Siemens Ag Verfahren zum Betrieb eines Röntgenbelichtungsautomaten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255657A (en) * 1979-06-05 1981-03-10 Charles Lescrenier Diverging plane positioning device
US5267295A (en) * 1989-11-23 1993-11-30 Planmed Oy Methods and device related to automatic exposure in X-ray diagnostics in particular in mammography
EP0471883B1 (fr) * 1990-08-24 1994-11-02 Siemens Aktiengesellschaft Régulateur automatique d'exposition à rayons X
JPH1020425A (ja) * 1996-06-30 1998-01-23 Shimadzu Corp Ｘ線撮影装置
US6047042A (en) * 1998-03-25 2000-04-04 Continental X-Ray Corporation Automatic exposure and brightness control for fluoroscopic and radio-graphic imaging
US6327336B1 (en) * 2000-06-05 2001-12-04 Direct Radiography Corp. Radiogram showing location of automatic exposure control sensor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 05 30 April 1998 (1998-04-30) *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008090118A1 (fr) * 2007-01-23 2008-07-31 Siemens Aktiengesellschaft Dispositif et procédé pour un diagnostic médical
US8009798B2 (en) 2007-01-23 2011-08-30 Siemens Aktiengesellschaft X-ray imaging system
CN100464695C (zh) * 2007-03-21 2009-03-04 北京师范大学 乳腺光学参数测量仪
WO2009106391A1 (fr) * 2008-02-26 2009-09-03 Siemens Aktiengesellschaft Appareil radiographique médical et système radiographique médical
US8496380B2 (en) 2008-02-26 2013-07-30 Siemens Aktiengesellschaft Medical radiological device and radiological system
WO2011141763A1 (fr) * 2010-05-12 2011-11-17 Trophy Appareil d'alignement pour radiographie intrabuccale dentaire
US20130051528A1 (en) * 2010-05-12 2013-02-28 Jean-Marc Inglese Alignment apparatus for dental intraoral radiology
US9332951B2 (en) 2010-05-12 2016-05-10 Trophy Alignment apparatus for dental intraoral radiology
WO2020069031A1 (fr) * 2018-09-25 2020-04-02 Hologic, Inc. Ensembles lumière et procédés pour systèmes d'imagerie de mammographie et de tomosynthèse
EP3692921A1 (fr) * 2019-02-08 2020-08-12 Fujifilm Corporation Système de radiographie, système d'imagerie médicale, procédé de commande et programme de commande
US11317882B2 (en) 2019-02-08 2022-05-03 Fujifilm Corporation Radiography system, medical imaging system, control method, and control program
US11801018B2 (en) 2020-09-24 2023-10-31 Hologic, Inc. Light source for an imaging system and methods of the same

Also Published As

Publication number Publication date
DE102004059661A1 (de) 2006-06-22
CN101111190A (zh) 2008-01-23
FI20070473A (fi) 2007-06-14

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