EP1776046A1 - Dispositif a rayons x dote d'un dispositif de protection de rayons diffuses entraine - Google Patents

Dispositif a rayons x dote d'un dispositif de protection de rayons diffuses entraine

Info

Publication number
EP1776046A1
EP1776046A1 EP05779213A EP05779213A EP1776046A1 EP 1776046 A1 EP1776046 A1 EP 1776046A1 EP 05779213 A EP05779213 A EP 05779213A EP 05779213 A EP05779213 A EP 05779213A EP 1776046 A1 EP1776046 A1 EP 1776046A1
Authority
EP
European Patent Office
Prior art keywords
ray
ray device
image receiver
patient support
field
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Withdrawn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
EP05779213A
Other languages
German (de)
English (en)
Inventor
Kerstin Barkow
Franz Beimler
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 EP1776046A1 publication Critical patent/EP1776046A1/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Withdrawn legal-status Critical Current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
    • A61B6/10—Safety means specially adapted therefor
    • A61B6/107—Protection against radiation, e.g. shielding

Definitions

  • the invention relates to a particular medical X-ray device with an X-ray source, with a distance from them in a direction of radiation arranged image receiver, and having disposed between the X-ray source and the image receptor patient support, wherein the relative position of the X-ray source and the Jardinempfän ⁇ gers with respect to the patient support in at least one, perpendicular to the direction of radiation or oblique, spatial direction is adjustable.
  • Such an X-ray device is known, for example, from WO 02/00116 A1.
  • the treating physician must during treatment ⁇ radiation reside in close proximity to the irradiated patients, and is thus a relatively strong Stray radiation is exposed from the patient's body.
  • Such a shield is usually attached to ei ⁇ nem one or more articulated arm on the ceiling or a wall of the examination room and can be placed freely in space to a limited Um ⁇ fang.
  • Such protective radiation is in size and weight but generally relatively bulky and thus hindered theomme ⁇ monitoring activities of the treating physician.
  • Another obstacle alteration caused such a radiation shield in particular ⁇ sondere in that it bezüg at a position change in the X-ray beam, the image receptor or the patient needs to be frequently moved ⁇ Lich of the treating physician manually to protect the doctor against the change scattered radiation field wei ⁇ terhin.
  • a conventional Strahlen ⁇ shield is often an adjustment of the X-ray device in the way.
  • the invention has for its object to design a Röntgenvor ⁇ direction such that an effective Streu ⁇ radiation protection for the attending physician is achieved in a particularly easy-to-handle manner, in particular obstruction of the examination of the doctor by the antiscattering should be avoided as far as possible.
  • the X-ray device comprises an X-ray source, an image receiver arranged at a distance therefrom in a radiation direction, and a patient support arranged between the X-ray emitter and the image receiver.
  • the image receiver is insbeson particular to a functional unit for positioning and Zentrie ⁇ tion of a film cassette.
  • a carrier unit for an X-ray image intensifier or a digital X-ray detector can also be used as the image receiver.
  • the patient storage is, in particular, a patient bed.
  • the X-ray emitter and the image receiver are mutually and / or individually adjustable relative to the patient support in at least one spatial direction perpendicular or oblique to the radiation direction, preferably both in the longitudinal direction and in the transverse direction, relative to the patient support.
  • the patient support can be arranged to be adjustable, so that in turn the respective Relative position of the X-ray source and the image receptor relative to the patient support is changeable.
  • an anti-scatter protection is now provided which is relative to the image receiver and / or the coupler Röntgenstrah ⁇ sition as a respective reference object in a fixed, at least in an adjustment of the reference object Relativpo ⁇ fixable.
  • the fixation is designed such that upon adjustment of the reference object (ie, depending on the embodiment of the image receiver and / or the Röntgenstrah ⁇ lers) with respect to the patient positioning and the Streustrahlen ⁇ protection is adjusted accordingly to the patient positioning.
  • the invention is based on the finding that the intensity of the scattered radiation at a spatial point in the vicinity of an X-ray device essentially depends on the relative position of the observed point in space to the point at which the central ray of the X-ray penetrates a treated patient, this location again depends on the OERTLI ⁇ chen arrangement of the X-ray source and image receptor.
  • the scattered radiation field "migrates" in an adjustment of the image receiver and / or Röntgen ⁇ radiator with respect to the patient's positioning in the rule.
  • the scattered radiation protection according to the invention coupled pflinder to the Bildem ⁇ and / or the X-ray as a reference object ge, therefore a ban ⁇ monitoring, in particular also during the adjustment of the Refe ⁇ shall at all times ence object consistent protective effect for the loading acting doctor achieved.
  • the anti-scatter protection is positioned in this case in particular such ge ⁇ geninate the reference object, that it is arranged in the main field of the expected stray radiation.
  • a suitable relative position of the antiscatter protection is by
  • Conference will object by the entrainment of the scattered radiation protection with the same refer- significant Handhabungsver ⁇ simplification for the treating physician achieved. In particular, eliminates the need for manual adjustment of the radiation ⁇ radiation protection during the investigation.
  • the scattering ⁇ is radiation protection carried with the reference object, also a possible collision of the scattered radiation protection with other components of the x-ray device is at a Ver ⁇ the latter position eliminated easily.
  • the antiscattering is designed as a self-supporting, in particular substantially rigid screen.
  • the scattered radiation protection has a substantially flat body field for protecting the upper body of the attending physician.
  • the plane of this body field is in this case aligned approximately parallel to a front edge of the patient support, so that the body field is approximately perpendicular to a lying surface of the patient support or slightly inclined over this.
  • a visual field is placed on an upper edge of this body field, which is angled from the body field in the direction of the patient support.
  • the field is be ⁇ vorzugt integrally carried out in particular in one piece with the body panel.
  • the field of view allows the attending physician to bend over the patient's support over the body field during the examination without being affected Head area to be exposed to increased radiation exposure.
  • the field of view allows the doctor to take a similarity ⁇ Liche investigation attitude as he would also take in the absence of the scattered radiation protection usually, and thus promotes the handling of the X-ray device.
  • the upper edge of the body panel (un ⁇ depending on the actual orientation of the body panel in the surrounding space) is referred to the edge of the body panel facing away from the lying surface of the patient support.
  • the thus shaped body field thus has a laterally waisted shape.
  • the recess formed by the or each waist Kör ⁇ perfeldes facilitates the gripping of radiation protection currency ⁇ rend a medical treatment combined with good radiation protection for the lower body and the head and shoulder region of the attending physician.
  • a further improvement in this regard is achieved by arranging a movable sliding panel on at least one edge of the body field, in particular on one or both side edges.
  • the or each sliding panel is positioned such that it increases in a normal position, the shielded by the body panel surface to optimize the beam ⁇ protection, but on the other hand, this Normalpo ⁇ sition is displaceable in an at least partially retracted in the surface area of the body panel release position to again an embrace of the body field to facilitate.
  • Such a sliding panel is arranged in particular such be ⁇ that in the normal position one in a 39 ⁇ of the body panel provided indentation edge part at least partially covers ⁇ .
  • the or each Schiebe ⁇ field is preferably associated with a spring element which generates the restoring force or optionally reinforced.
  • a spring element which generates the restoring force or optionally reinforced.
  • ge ⁇ is ensured that the or each sliding panel is adjusted also during rotation of the radiation protection, particularly if the patien ⁇ tenlagerung from a horizontal to a vertical position, is always returned to the normal position.
  • the or each slide box fixing in particular in the form ei ⁇ ner fixing screw, a magnet attachment, or a snap lock, associated with means of which the or JE the shift field at least in the normal position, optionally also other totally or partially retracted positions , is fixable.
  • the antiscattering device can be removed from the relative position with respect to the relative object (ie the image receiver and / or X-ray emitter). This facilitates, in particular, the carrying out of medical treatment steps and other actions to be carried out before or after the actual irradiation phase, in particular, the bearings of a patient on the normalla ⁇ delay, but also the cleaning of the X-ray apparatus, etc.
  • the coupling unit permits a pivoting of the antiscattering device out of or into the relative position.
  • the coupling unit is designed such, however, that the scattering radiation protection ⁇ can be completely removed from the reference object.
  • a detachable connection of the anti-scatter protection ⁇ zes is structurally particularly simple realized by a connector designed as a plug connection unit.
  • a further improvement in the handling of the X-ray apparatus is preferably achieved by arranging operating and control elements for the X-ray apparatus on the front side of the antiscattering device facing the behan ⁇ delnden doctor ange ⁇ .
  • Streustrahlen ⁇ is at least substantially made of a transparent röntgenstrahlungsabsorb Schlierenden material.
  • hier ⁇ for particularly suitable material in particular lead acrylic glass is used for the production of anti-scatter protection.
  • 1 shows in a perspective view on the front ⁇ side an X-ray device with held on a common tripod, an X-ray emitter, an image receiver, a horizontally aligned patient positioning and with an entrained with the BiId- receiver antiseize
  • 2 shows a perspective view of the X-ray device in a stand position rotated by 90 °, corresponding to a vertical arrangement of the patient support
  • FIG. 3 shows a schematic front view of the stray beam contactor of the x-ray device according to FIG. 1, FIG.
  • FIG 3 partially cross-sectional side view of the Streustrahlen ⁇ protection according to FIG 3,
  • FIG. 5 shows an illustration according to FIG. 3 of an alternative embodiment of the anti-scattering device
  • FIG. 6 shows a front view of the X-ray device according to FIG. 1 with an image receiver displaced on the foot side with respect to the patient support and correspondingly guided anti-scattering device
  • FIG. 7 shows the X-ray device with an image receiver displaced on the head side relative to the patient support and corresponding anti-directional anti-scatter device
  • FIG. 6 shows a front view of the X-ray device according to FIG. 1 with an image receiver displaced on the foot side with respect to the patient support and correspondingly guided anti-scattering device
  • FIG. 7 shows the X-ray device with an image receiver displaced on the head side relative to the patient support and corresponding anti-directional anti-scatter device
  • FIG. 8 in a representation according to FIG. 6 the X-ray device according to FIG. 1 with a dashed line
  • FIG. 9 shows a diagram of the device according to FIG. 8 with and without antiscatter protection
  • the X-ray apparatus 1 shown in FIG 1 in a perspective front view includes an X-ray source 2, an image receiver 3 and a patient support 4.
  • the image receiver 3 is embodied here as a functional unit, in which a (not shown), an X-ray film contained ⁇ tend film cassette positioned is.
  • a (not shown) an X-ray film contained ⁇ tend film cassette positioned is.
  • To introduce the Film cassette is the image receiver 3 on a front side 5 provided with a corresponding insertion slot 6 for the Filmkas ⁇ sette.
  • the patient support 4 is designed as a patient couch , whose lying surface 7 in the illustration according to FIG. 1 is oriented horizontally.
  • the X-ray source 2, the image receiver 3 and the patient support 4 are supported on a common stand 8 in such a way that the image receiver 3 faces the X-ray source 2 at a distance, as seen in a radiation direction 9, and that the lying surface 7 of FIG Patient positioning 4 between the image receiver 3 on the one hand and the X-ray source 2 on the other hand is arranged.
  • the lying surface 7 is aligned essentially perpendicular to the radiation direction 9.
  • the X-ray source 2 is fastened, together with a depth diaphragm 10 connected upstream in the direction of radiation 9, to a galgenar-like radiator support 11 of the stand 8.
  • the stand 8 further comprises a plate by means of a Boden ⁇ 12 fixedly mounted stand base 13 and a Drehge ⁇ vice 14 which is pivotally mounted on the stand base 13 about a horizontal and transverse with respect to the support surface 7 of the patient support 4 extending axis of rotation 15 °.
  • the bogie 14 carries the patient support 4, the videflä ⁇ che 7 can be adjusted by pivoting the bogie 14 in particular from the horizontal position shown in FIG 1 in a vertical position as shown in FIG 2.
  • the bogie 14 also carries the image receiver 3 and the radiator support 11 with the X-ray emitter 2, which consequently rotate in the described pivoting of the bogie 14 with the patient support 4, so that even the radiation direction perpendicular to the surrounding space according to FIG 9 pivoted in a horizontal orientation (FIG 2) is.
  • the patient support 4 is held adjustably both in a longitudinal direction 16 and in a transverse direction 17 on the bogie 14 of the stand 8.
  • the longitudinal direction 16 and the transverse direction 17 are defined here with respect to the lying surface 7.
  • the image receiver 3 and the radiation carrier 11 with the X-ray emitter 2 are held independently adjustable in the longitudinal direction 16 on the bogie 14.
  • a central ray Z of the X-ray radiation R generated by the X-ray emitter 2 is merely displaced relative to the lying surface 7 (FIG. 6).
  • the radiation direction 9, and thus the central ray Z will tilt out of the vertical orientation with respect to the lying surface 7 (FIG. 7).
  • the X-ray device 1 furthermore comprises a scattered radiation protection 20, which is designed as a substantially flat protective screen and at least essentially consists of transparent, but X-ray-absorbing lead acrylic glass.
  • the anti-scatter device 20 is connected by means of a Koppel ⁇ unit 21 fixed to the image receiver 3 and is consequently forcibly entrained in an adjustment of the image receptor 3 relative to the patient support 4 and / or with respect to the X-ray source.
  • the image receiver 3 thus serves as a reference object, to which the Streustrah ⁇ lenschutz 20 in the longitudinal direction 16 assumes a predetermined Relativpo ⁇ position.
  • the scattered radiation shield 20 In this relative position of the scattered radiation shield 20 is approximately aligned the image receiver aligned with the front side 5 3 out ⁇ , it that a front edge 22 of the support surface 7 with Flanked by a small distance.
  • the anti-scatter shield 20 is aligned approximately perpendicular to the rotation axis 15 and thus also approximately perpendicular to the lying surface 7 and extends - starting from the image receiver 3 - in the direction of the X-ray source 2, so that it formed between the image receptor 3 and the X-ray source 2 space area shields to the front of the X-ray device 1 out.
  • the scattered radiation shield 20 again shown comprises a flat central body ⁇ field 30, which has a waisted shape.
  • the edge of the body panel 30, which faces the image receiver 3 in the installed position, is referred to here as the lower edge 31.
  • the remote in the installed position of the image receptor 3 edge of the body panel 30 as an upper edge 32 indicated ⁇ net.
  • the edges connecting the lower edge 31 to the upper edge 32 on both sides of the body panel 30 are referred to as side edges 33.
  • Each side edge 33 is in this case provided with a concave indentation 34, through which the waisted shape of the body panel 30 comes about.
  • a union in Wesent ⁇ trapezoidal flat face panel 40 connects, which likewise made of transparent, röntgenstrahlungsabsorb Schlierendem Ma ⁇ TERIAL, in particular consists of lead acrylic and so ge ⁇ is angled genüber the body panel 30 that it is in Rich ⁇ tion on the patient support 4 protrudes.
  • the visual field 40 allows a treating physician to bow to a certain extent over the body field 30 in the direction of the patient support 4 during the treatment, without being exposed to increased stray radiation load, in particular in the head area.
  • the attending physician has thus insbeson ⁇ particular a relatively good attention to the lying surface 7 and a patient supported on it.
  • Each sliding panel 41 is further movably mounted on each side edge 33 of the body panel 30, a sliding panel 41 is further movably mounted.
  • Each sliding panel 41 is in turn made of radiation-absorbing, preferably also transparent material, in particular again made of lead acrylic glass, and has an approximately banana-like shape.
  • Each sliding field 41 is hereby arranged in a normal position P with respect to the body field 30 in such a way that it substantially covers the surface saved by the indentation 34 of the associated side edge 33 and thereby enlarges the surface shielded from the body field 30 towards the side edges 33.
  • each sliding field 41 is mounted rotatably about the body 42 on an axis 42, the axis 42 being arranged above the indentation 43, ie in a region of the body field 30 adjoining the upper edge 32 ,
  • this axis 42 can each sliding panel 41 in a Freigabepo ⁇ sition P ⁇ be pivoted, in which the deflected sliding panel 41 is largely retracted into the satisfy of the body panel 30 ⁇ shielded area, so that the recessed from the corresponding recess 34 face substantially is released.
  • the treating doctor can grasp around the anti-scatter guard 20 in a comparatively simple and unobstructed manner in the course of the treatment of a patient supported on the lying surface 7, wherein the indentations 34 are flexibly covered by the movable sliding panels 41, and thus simultaneously to the
  • each sliding panel 41 is a Fixier ⁇ element assigned 43, by means of which the respective sliding leaf 41 is fixable in the normal position P or if necessary fixed automatically.
  • the fixing element 43 is designed as a magnetic closure with two corresponding magnets 44 and 45.
  • the magnet 44 is arranged in each case on the sliding field 41 and the magnet 45 in each case at a corres ⁇ dierenden point of the body panel 30, which is selected such that in the normal position P of the sliding panel 41, the magnets 44 and 45 are applied in parallel poled together that due to the magnetic attraction of the magnets 44 and 45, the sliding panel 41 is held in the normal position P.
  • one of the magnets 44 and 45 may also be replaced by a ferromagnetic element.
  • a magnetic closure instead of a magnetic closure, a snap-in closure, a fixing screw or the like can be used as the fixing element 43.
  • a sliding panel 41 each associated stop 46 prevents the body panel 30, that the sliding panel can be pivoted 41 through the normal position P addition Wegge of the body panel 30 ⁇ .
  • FIG. 3 further shows in greater detail the coupling unit
  • the coupling unit 21 which serves for the relative fixation of the anti-scatter shield 20 with respect to the image receiver 3.
  • the coupling unit 21 is designed as a plug-in connection in order to be able to easily and quickly remove the scattered radiation protection 20 from the image receiver 3 as needed, in particular outside the actual irradiation phase.
  • the coupling unit 21 in this case comprises ei ⁇ nen pin 47, approximately in extension of a side edge 33rd protrudes beyond the lower edge 31 of the body panel 30, and a corresponding with the pin 47 bushing 48 which is fixed to a side surface 49 of the image receiver 3 and in which the pin 47 can be inserted.
  • the pin 47 and the corresponding receptacle of the bush 48 preferably have a polygonal cross-section.
  • the bushing 48 is in turn adjustably mounted on the image receiver 3 by means of egg ⁇ ner linear guide in the transverse direction 17, so that the anti-scatter shield 20 can be performed nach ⁇ with a transverse displacement of the patient support 4 with respect to the image receptor 3.
  • the cross-verifiability of the scattered radiation protection 20 with respect to the image receiver 3 further serves to be able to flexibly guide the antiscatter protection 20 around interfering edges of the stand 8 or the patient support 4, eg handles, etc.
  • a corresponding effect can also be achieved, for example, by one or more guide elements assigned to the antiscattering device 20.
  • a corresponding pin-socket pair can also be provided on each side of the antiscattering device 20 or image-receiving device 3.
  • the anti-scattering device 20 is preferably designed as a carrier for a number of operating and control elements 50, eg, command buttons, etc.
  • the these operating and control elements 50 zu ⁇ ordered (not shown) signal lines are preferably contacted via the pin 47 and the corresponding sleeve 48.
  • the pin 47 and the socket 48 are designed for this purpose as an electrical plug-socket pair. Additionally or alternatively, the pin 47 and the corresponding socket 48 may be assigned an electrical safety contact, which only permits the switching on of the X-ray radiation R when the anti-scatter shield 20 is attached to the image receiver 3.
  • FIG 5 an alternative embodiment of the Streustrah ⁇ lenschutzes wherein the shift fields is shown 20, 41 non-rotatably hung on the body panel 30, but cher initli ⁇ direction are slidably guided thereon by means of guide rails 51st
  • Each sliding panel 41 is associated here with a (schematically indicated) spring element 52 which pretensions the respective sliding panel 41 in the normal position P or opposes a deflection of the sliding panel 41 with a restoring force F directed sideways, which automatically actuates the sliding panel 41 from the release position P ⁇ returns to normal position P.
  • This restoring force F causes, in particular, that the respective sliding field 41, as long as it is not manually deflected by overcoming the restoring force F, regardless of the orientation of the anti-scattering device 20 in the surrounding space always in the normal P position.
  • a restoring force F causes, in particular, that the respective sliding field 41, as long as it is not manually deflected by overcoming the restoring force F, regardless of the orientation of the anti-scattering device 20 in the surrounding space always in the normal P position.
  • chert gesi ⁇ by stops 46 of the guide rails 51st
  • FIG. 6 shows in this regard the image receiver 3 and the scattered radiation protection 20 in relation to the patient support 4 foot side arranged position.
  • the X-ray source 2 is hier ⁇ automatically moved along with the image receptor 3, so that the Strah ⁇ lung direction 9 with respect to FIG 1 unchanged perpendicular bezüg is oriented 7 ⁇ Lich of the lying surface, the central ray Z of the primary x-ray radiation R is but shifted in accordance with the foot side.
  • FIG. 7 shows the image receiver 3 and the antiperspirant shield 20 in the position displaced with respect to the patient support 4 at the head end, wherein the X-ray emitter 2 is left in a central position with respect to the patient support 4 in analogy to FIG.
  • the coupling element 18 in this case the X-ray source 2, and thus the radiation direction 9, tilted such that the central beam Z is in turn approximately centrally aligned with the image receiver 3.
  • the effect of the stray radiation protection ⁇ 20 according to the invention is based on a test measuring the Streustrah ⁇ len characterizing the X-ray apparatus 1 with and without stray radiation protection 20 shows. On the basis of such
  • Test measurements can in particular also the expedient Dimensio ⁇ discrimination of scattered radiation protection be determined 20th
  • ge ⁇ is dashed rectangular measurement surface 80 indicated, the horizontal extension 104 cm and whose vertical Managerre ⁇ ckung is 70 cm.
  • the measuring surface 80 covers in the vertical direction a height range of 110 cm to 180 cm above the
  • Bottom plate 12 which essentially corresponds to the working height range in which in practice
  • the upper body and head area of a treating physician, which is particularly exposed to scattered radiation, is, for example, of interest.
  • FIG 8 of 20 occupied in a central positioning Flä ⁇ lenschutz of the Streustrah ⁇ is also shown in dashed lines chen Scheme.
  • the measuring surface 80 is arranged parallel to the front edge 22 of the patient support 4, and this upstream by a distance of about 30 cm.
  • the measuring surface 80 is thus located at a distance from the front edge 22 of the patient support 4, as is typically taken also em body of a physician during the treatment.
  • the measuring surface 80 is thus arranged such that the inserted anti-scatter shield 20 is interposed between the X-ray emitter 2, the patient support 4 and the image receiver 3 on the one hand and the measuring surface 80 on the other hand.
  • the test measurement was performed on a Röntgenvorrich- processing of the "Iconos R 100" type (Fa. Siemens) at a throughput ⁇ leuchtungszeit of one minute, a field size of 20.7 x 20.7 cm, a tube voltage of 105 kV and a Röhren ⁇ current 1.1 mA.
  • a pelvic phantom was placed on the lying surface 7 in the radiation field together with a 10 cm star-shaped water phantom as an artificial scattering body.
  • the scattered radiation dose D was measured at several gitterar- tig arranged within the measurement area 80 measurement points M.
  • the thus measured scattered radiation dose D for purposes of comparison at each measuring point M on the one hand in Abomme ⁇ integral of the scattered radiation protection 20 and the other hand with Zvi ⁇ schen conceptionem scattered radiation shield 20 measured.
  • FIG. 9 the result of this test measurement is shown in a diagram of the scattered radiation dose D as a function of the horizontal Deviation x from the vertical center line 81 of the measuring surface 80 is shown.
  • the symbols of the diagram connected in each case by a common line thus represent the course of the scattered radiation dose D (x) along a horizontal line of measuring points M.
  • Measured values are shown in this case by empty (ie bordered) symbols connected by dashed lines of the anti-scatter device 20 were measured. By filled symbols connected by solid lines, however, measured values are shown, which were measured in the presence of the anti-scattering device 20.
  • the same symbol shape square, circle, ...) corresponding to each ⁇ wells a common working height h.
  • TheRoctra ⁇ genes in FIG 9 curves are used for better labeling sixteengehö ⁇ engined measuring points.
  • FIG. 9 furthermore shows that, when the scattered radiation protection 20 is used, the scattered radiation dose D is reduced to a value of well below 10 ⁇ Gy in a central region of approximately x. + -. 25 cm about the center line 81 for all working heights h. so that the attending physician in this central area by the antiperspirant 20 effectively shielded against scattered radiation.

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

Abstract

L'invention concerne un dispositif à rayons X (1) ayant un dispositif de protection de rayons diffusés (20) efficace et facile à manipuler. Ce dispositif à rayons X (1) comprend un émetteur de rayons X (2), un capteur d'images (3) placé dans une direction de rayonnement (9) à une certaine distance de l'émetteur de rayons X et une table de patient (4) placée entre l'émetteur de rayons X (2) et le capteur d'images (3). La position relative de l'émetteur de rayons X (2) et du capteur d'images (3) par rapport à la table de patient (4) est réglable dans au moins une direction dans l'espace (16,17). Le dispositif de protection des rayons diffusés (20) peut être fixé, comme objet de référence (3), à l'aide d'une unité de couplage (21) dans une position relative fixe par rapport au capteur d'images (3) et/ou de l'émetteur de rayons X (2) de telle façon que le réglage de l'objet de référence (3) par rapport à la table de patient (4) permette à l'objet de référence (3) d'entraîner le dispositif de protection des rayons diffusés (20).
EP05779213A 2004-08-13 2005-08-04 Dispositif a rayons x dote d'un dispositif de protection de rayons diffuses entraine Withdrawn EP1776046A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004039411A DE102004039411A1 (de) 2004-08-13 2004-08-13 Röntgenvorrichtung mit mitgeführtem Streustrahlenschutz
PCT/EP2005/053849 WO2006018395A1 (fr) 2004-08-13 2005-08-04 Dispositif a rayons x dote d'un dispositif de protection de rayons diffuses entraine

Publications (1)

Publication Number Publication Date
EP1776046A1 true EP1776046A1 (fr) 2007-04-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05779213A Withdrawn EP1776046A1 (fr) 2004-08-13 2005-08-04 Dispositif a rayons x dote d'un dispositif de protection de rayons diffuses entraine

Country Status (4)

Country Link
US (1) US7744278B2 (fr)
EP (1) EP1776046A1 (fr)
DE (1) DE102004039411A1 (fr)
WO (1) WO2006018395A1 (fr)

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FR2948866B1 (fr) 2009-08-07 2012-06-08 Stephanix Systeme de radiologie basculant et elevateur
DE102010061893B4 (de) * 2010-11-24 2020-03-12 Mavig Gmbh Strahlenschutzvorrichtung
US20140029720A1 (en) * 2012-07-30 2014-01-30 Azriel Binyamin Osherov Movable shield for reducing radiation exposure of medical personnel
ITVI20130031A1 (it) * 2013-02-13 2014-08-14 Sordina S P A Dispositivo di schermatura, in particolare dalle radiazioni emesse da un acceleratore di elettroni
CN103385733B (zh) * 2013-08-08 2015-01-21 北京东方逸腾数码医疗设备技术有限公司 血管造影机床上一体化x射线防护装置
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US20080031422A1 (en) 2008-02-07
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US7744278B2 (en) 2010-06-29
DE102004039411A1 (de) 2006-02-23

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