EP1916944A1 - Dispositif laser pour mammographe - Google Patents

Dispositif laser pour mammographe

Info

Publication number
EP1916944A1
EP1916944A1 EP06777882A EP06777882A EP1916944A1 EP 1916944 A1 EP1916944 A1 EP 1916944A1 EP 06777882 A EP06777882 A EP 06777882A EP 06777882 A EP06777882 A EP 06777882A EP 1916944 A1 EP1916944 A1 EP 1916944A1
Authority
EP
European Patent Office
Prior art keywords
laser device
laser
compression plate
mammography
cross
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.)
Withdrawn
Application number
EP06777882A
Other languages
German (de)
English (en)
Inventor
Wolfgang Holler
Martin Ramsauer
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.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP1916944A1 publication Critical patent/EP1916944A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams

Definitions

  • the invention relates to a laser device for a mammography device according to the preamble of claim 1; a derarti ⁇ ge laser device is, for example in the form of so-called. "Laser positioner II" manufactured by Livingston Products Inc. known.
  • a mammography device is an X-ray system for examining a breast of a patient. Before the beginning of an X-ray, it is generally provided that the examination object is placed on an object table belonging to the mammography device with an X-ray receiver and compressed by a compression plate.
  • the compression plate is usually arranged on a height-displaceable compression plate holder of the mammography device by means of a detachable holder mechanism, which allows the respective compression plate to be replaced by a compression plate provided for the respective examination method or for the respective examination subject.
  • a puncture site for biopsy is a nordbare shadow cross device a- before an X-ray panel of the mammography device known in a
  • Light projection of a light visor makes a respective position recognizable by a cross-shaped shadow.
  • the respective marked position can be adjusted manually with respect to a scale arranged next to the opening on the compression plate.
  • a shadow cross device is available, for example, as an accessory from Siemens.
  • the laser device "Laser Positioner II" from Livingston Products Inc. can be arranged on the X-ray diaphragm for the position marking (see http://www.livingstonproducts.com/Laser.html), this laser device marks the respective position through the projection .
  • the laser device For X-ray images, which are provided only for carrying out a biopsy, the laser device is removed from the X-ray diaphragm, since it restricts the X-ray field, hinders the view of the examination subject and makes it difficult to access the examination subject.
  • the power supply is ensured via a battery arranged in the laser device; in this way vermie ⁇ is must be the that, in the mountings of the laser device in addition provides a power connection to the mammography unit Herge ⁇ .
  • the invention has for its object to improve a Positionmar ⁇ cation by a laser projection in a mammography device.
  • the position of the laser device remains relative to the compression sionsplattenhalterung unchanged, so that - despite a possibly lateral projection - a dependent of the respective distance of the laser device to the examination object Korrek ⁇ ture of the projection angle to avoid a parallax error can be avoided. As a result, an exact posi ⁇ tion mark is ensured in a secure manner.
  • the projection takes place in such a way that the projection mark can be seen in the field of vision on the respective examination object by an operator of the mammography device.
  • the ⁇ He kennkle in the field of view is particularly simple manner ensures ge ⁇ that the position mark on theomme ⁇ chung object is projected itself.
  • the pro ⁇ jection example is provided by a transparent part of the compres- onsplatte.
  • a projection of the position marking on the compression plate is possible; characterized a consideration of the refractive index of the transparent part is avoided the compression ⁇ plate with a lateral projection.
  • the compression plate can be excited to fluorescence under the action of the laser light projected by the laser device; As a result, the position marking is particularly clear - even when using ultraviolet laser light for projection - recognizable.
  • the position marker may have various shapes.
  • a position marking in the form of a cross By means of a position marking in the form of a cross, the respective marked position is particularly clearly projectable .
  • the position marking in the form of the cross is produced particularly simply by two line lasers of the laser device.
  • the projection of the cross is created by the pro jection ⁇ two lines projected by one of the two line laser.
  • the position marker in the form of the cross is generated by a point laser and a lens optic; This allows the projection of the cross with only one laser.
  • the Lin ⁇ senoptik generated from an initially punctiform laser beam a cross-shaped projection.
  • posi ⁇ tion mark other forms, such as the shape of a circle, conceivable.
  • a scale is expediently arranged on an adjustment means provided for setting the respective position.
  • This adjusting means can be designed, for example, in the form of two rotary knobs arranged on the laser device, which enable the position to be adjusted in two mutually perpendicular directions.
  • the position marked with the position marking is adjustable, a flexible position adaptation to the respective examination or to the respective biopsy is possible.
  • the laser device By arranging the laser device on the compression plate, it is possible to exchange the compression plate together with the laser device. This is particularly expedient for a compression plate which is provided for performing a biopsy of the examination subject.
  • the laser device can be arranged on a compression plate holder of the mammography device; this easily makes it possible to use the laser device with different compression plates, which can each be attached to the compression plate holder.
  • a height-adjustable to a mammography device can be arranged compression plate with one of the aforementioned laser devices; this makes it possible in a particularly simple way to retrofit the compression plate together with the laser device as to ⁇ cessories on the mammography unit.
  • a separate attachment is omitted at a biopsy of this device on the one hand and one for the On the other hand, biopsy compression plate provided on the mammography device.
  • the object is also achieved by a compression plate holder, with one of the aforementioned laser devices; this makes it easy to retrofit the laser device by replacing an existing compression plate holder on the mammography device.
  • the field of view is not limited to the object under examination, so that the laser device can also be permanently adhesive remain on the mammography device ⁇ .
  • the permanent arrangement of the laser device on the mammography device to ensure a secure power supply to the laser device via a power connection to the mammography device in a simple manner.
  • the buildin ⁇ term and removing an additional device for position marking, such as the Maltese cross device is eliminated.
  • FIG. 1 shows a side view of a mammography device according to the prior art with a angeord ⁇ neten at a diaphragm shadow cross device for projection a position marker in the form of a shadow cross;
  • FIG. 2 shows a side view of a mammography apparatus according to FIG. 1 with a laser device arranged on the compression plate for projection of a position marking in the form of a laser light cross in place of
  • Maltese cross device 3 shows a side view of a mammography device according to FIG. 2, wherein the laser device is arranged on the compression plate holder;
  • FIG. 1 shows a mammography device 2 according to the prior art
  • this mammography apparatus includes as essential Kom ⁇ components a tripod 15, an arranged on the stand 15 holding arm 16, is arrange at the upper end of the holding arm 16 ⁇ th X-ray tube 10 for generating X-rays 13, an X-ray aperture 11 for limiting the X-ray ⁇ radiation 13 an intended X-ray radiation field, a wahnverschiertze compression plate 5 and a ren on unte ⁇ end of the support arm 16 disposed x-ray receiver 14.
  • Figure 1 is shown the contour of the maximum radiation field of X-ray radiation. 13 The X-ray radiation 13 penetrates a respective examination object 4 before it encounters the X-ray receiver 14, which generates an X-ray image of the examination subject 4.
  • the examination subject 4 is compressed by the compression plate 5, which comprises a holding frame 7 so as ⁇ a transparent compression trough.
  • the Kom ⁇ pressionsplatte is detachably esterification with a Kompressionsplattenhal- 8 which is arranged vertically displaceable on a guide 9 of the mammography apparatus. 2
  • a Scandskyvor ⁇ direction 12 is arranged, with which a position marker in the form of a shadow cross on the examination object 4 pro ⁇ jected can be.
  • the puncture site on the fürsob ⁇ ject 4 markable In a biopsy an X-ray ⁇ recording is only created by a limited area of the examination subject 4. Therefore limit the according to the state oftechnik known shadow cross 12 devices, as well as all other at the aperture 11 of the mammography device 2 anordba- ren devices for the projection of a position marker, the X-ray field from the outset on a section of the maximum possible X-ray field.
  • Mammography device 2 to make a full field image of the examination ⁇ object 4, in which the examination object 4 is completely displayed on the respective X-ray image, the shadow cross device 12 must be removed.
  • FIG. 2 shows in a side view a Mammographiege ⁇ advises 2 according to Figure 1 with a parent of the compression plate 5 at ⁇ laser device 1 instead of the disposed on the X-ray diaphragm 11 Maltese cross device 12; with the aid of the laser device 1, it is possible for For a directed onto the object 4 laser beam 17 send ⁇ , the projected onto the object to be examined 4, a position mark in the form of a laser light cross. Due to the fixed position of the laser device 1 rests relative to the compression plate 5 ject directly on the Samuelsob ⁇ 4, the projection of the compression plate 5 can be carried out by the laser beam 17 regardless of the height. The specially trained for a biopsy Kompres ⁇ sion plate 5 may be replaced together with this arranged laser device. 1 An enlarged Dar ⁇ position of the compression plate 5 in a plan view is shown in Figure 4.
  • FIG. 3 shows a side view of a mammography device 2 according to FIG. 2, wherein in this exemplary embodiment the laser device 1 is arranged on the height-displaceable compression plate holder 8.
  • the laser device 1 limits neither the access to the examination subject 4 nor the respective usable X-ray field, so that the laser device 1 can remain permanently on the mammography device 2 without to reduce the usability of the mammography device 2.
  • its power supply can be ensured in a simple manner via a current connection with the mammography device 2.
  • the same laser device 1 can also be used in the case of
  • FIG. 4 shows, in a top view, the examination object 4 which is compressed by the compression plate 5.
  • the transparent compression trough 6 of the specially designed for biopsy compression plate 5 is an opening 18 which allows access to the examination object 4 ⁇ light.
  • the position marker 3 in the form of a laser cross is projected on the examination subject 4 by the laser device 1.
  • the laser cross consists of two mutually perpendicular lines which are projected by a respective line laser of the laser device 1.
  • additional scales can be arranged on the compression trough 6, which facilitate setting of the respective desired position.
  • the essential idea of the invention can be summarized together ⁇ as follows:
  • the invention relates to a mitverschietione with a height-displaceable compression plate of a mammography device, laser device for projecting a position mark in the field of view on the respective examination ⁇ object.
  • This laser device is pressionsplatte particularly at the Kom ⁇ or can be arranged at the compression plate holder. In the latter embodiment, a permanent whereabouts of the laser device on the mammography device is possible.
  • the invention is particularly useful for biopsy.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (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)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

L'invention concerne un dispositif laser servant à projeter une marque de position (3) dans le champ visuel sur l'objet à examiner (4). Ce dispositif laser peut être déplacé conjointement avec une plaque de compression (5) d'un mammographe (2), cette plaque de compression (5) étant réglable en hauteur. Le dispositif laser (1) selon l'invention peut être disposé en particulier sur la plaque de compression (5) ou sur le support (8) de celle-ci. Dans ce dernier mode de réalisation, le dispositif laser (1) peut être maintenu de façon durable sur le mammographe (2). L'invention peut être mise en oeuvre en particulier pour une biopsie.
EP06777882A 2005-08-22 2006-07-21 Dispositif laser pour mammographe Withdrawn EP1916944A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005039658A DE102005039658B3 (de) 2005-08-22 2005-08-22 Laservorrichtung für ein Mammographiegerät
PCT/EP2006/064494 WO2007023050A1 (fr) 2005-08-22 2006-07-21 Dispositif laser pour mammographe

Publications (1)

Publication Number Publication Date
EP1916944A1 true EP1916944A1 (fr) 2008-05-07

Family

ID=37487385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06777882A Withdrawn EP1916944A1 (fr) 2005-08-22 2006-07-21 Dispositif laser pour mammographe

Country Status (5)

Country Link
US (1) US8611491B2 (fr)
EP (1) EP1916944A1 (fr)
CN (1) CN101247761A (fr)
DE (1) DE102005039658B3 (fr)
WO (1) WO2007023050A1 (fr)

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DE102007061592B4 (de) * 2007-12-20 2010-03-18 Siemens Ag Verfahren zum Positionieren der Brust für eine Biopsie in einer Mammographieeinrichtung und Mammographieeinrichtung zum Durchführen des Verfahrens
JP2009207808A (ja) 2008-03-06 2009-09-17 Fujifilm Corp 放射線画像撮影装置
CN102215752A (zh) * 2008-10-13 2011-10-12 阿姆斯特丹大学学术医学中心 用于筛查恶性细胞的存在的***x射线摄影术装置和方法
NL2005509C2 (en) * 2010-02-19 2011-08-23 Academisch Medisch Ct Bij De Universiteit Van Amsterdam Mammography-apparatus.
DE102010019023A1 (de) * 2010-05-03 2011-11-03 Siemens Aktiengesellschaft Kompressionsplatte für Tomosynthese
JP5583746B2 (ja) * 2012-12-26 2014-09-03 富士フイルム株式会社 圧迫板及び放射線画像撮影装置
US9986971B2 (en) 2013-01-18 2018-06-05 Covidien Lp Ring laser for use with imaging probe as a safe margin indicator
US20140294142A1 (en) * 2013-03-28 2014-10-02 Samsung Electronics Co., Ltd. X-ray imaging device and method of controlling the same
US9883846B2 (en) * 2013-03-29 2018-02-06 General Electric Company Mammography device
ES2532523A1 (es) * 2014-10-01 2015-03-27 Universidad Politécnica de Madrid Mecanismo electromecánico localizador de lesiones no palpables en mamografías
DE102015203310A1 (de) * 2015-02-24 2016-08-25 Siemens Healthcare Gmbh Brustuntersuchungsgerät
CN104825180A (zh) * 2015-04-23 2015-08-12 北京大学 一种三模态乳腺成像***及其成像方法
EP3725228B1 (fr) 2016-06-13 2023-07-19 Shanghai United Imaging Healthcare Co., Ltd. Systèmes et procédés de positionnement d'appareil à rayons x
CN107714060B (zh) * 2016-08-11 2020-09-22 上海联影医疗科技有限公司 X射线成像设备
DE102018113010B4 (de) * 2018-05-30 2022-06-23 Felix Diekmann Niederhalteelement und Interventions-Kompressionsplatte für eine Mammographie
DE202020101547U1 (de) 2020-03-23 2020-04-17 Siemens Healthcare Gmbh Laseraufsatz für eine Röntgenstrahlenquelleneinheit eines Mammographiegeräts und Mammographiegerät
US11801018B2 (en) 2020-09-24 2023-10-31 Hologic, Inc. Light source for an imaging system and methods of the same
JP7321132B2 (ja) 2020-09-30 2023-08-04 富士フイルム株式会社 制御装置、制御方法、及び制御プログラム
JP7321133B2 (ja) * 2020-09-30 2023-08-04 富士フイルム株式会社 情報処理装置、情報処理方法及び情報処理プログラム
JP7358319B2 (ja) * 2020-09-30 2023-10-10 富士フイルム株式会社 情報処理装置、情報処理方法及び情報処理プログラム
JP7321131B2 (ja) * 2020-09-30 2023-08-04 富士フイルム株式会社 制御装置、制御方法、及び制御プログラム

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Also Published As

Publication number Publication date
CN101247761A (zh) 2008-08-20
WO2007023050A1 (fr) 2007-03-01
DE102005039658B3 (de) 2007-07-19
US8611491B2 (en) 2013-12-17
US20090299218A1 (en) 2009-12-03

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