CN208607345U - Magnetic resonance imaging,MRI instrument - Google Patents

Magnetic resonance imaging,MRI instrument Download PDF

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Publication number
CN208607345U
CN208607345U CN201820511975.4U CN201820511975U CN208607345U CN 208607345 U CN208607345 U CN 208607345U CN 201820511975 U CN201820511975 U CN 201820511975U CN 208607345 U CN208607345 U CN 208607345U
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China
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bed board
magnetic resonance
supporting arrangement
resonance imaging
attachment device
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S.比伯
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Siemens AG
Siemens Healthcare GmbH
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Siemens AG
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver

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

Abstract

The utility model relates to a kind of magnetic resonance imaging,MRI instrument, shell including accommodating at least one main magnet, the shell has the recessed sky portion for accommodating the check object lain on bed board, and the magnetic resonance imaging,MRI instrument further includes the attachment device separately designed with the bed board, for at least one local coil to be connected with the control device of magnetic resonance imaging,MRI instrument, wherein, it is mobile that the attachment device can move along path relative to the shell, wherein, the magnetic resonance imaging,MRI instrument has supporting arrangement, the supporting arrangement at least supports the attachment device in movement routine trip segment, it provides herein, the supporting arrangement at least movement of the bed board described in the trip Duan Zhongyu coupling is integrally designed with the bed board.

Description

Magnetic resonance imaging,MRI instrument
Technical field
The utility model relates to a kind of magnetic resonance imaging,MRI instrument, the shell including accommodating at least one main magnet, described Shell has for accommodating the recessed sky portion of the check object lain on bed board, and the magnetic resonance imaging,MRI instrument further include and The attachment device that the bed board separately designs, for by the control device of at least one local coil and magnetic resonance imaging,MRI instrument It is connected, wherein it is mobile that the attachment device can move along path relative to the shell, wherein the magnetic resonance tomography Scanner has supporting arrangement, and the supporting arrangement at least supports the attachment device in movement routine trip segment.
Background technique
Magnetic resonance signal is received usually using local coil in magnetic resonance imaging,MRI instrument, local coil, which is placed in, to be used for With the bed board or check object sheet of check object.Corresponding local coil is connect by cable with magnetic resonance imaging,MRI instrument. These cables can be used for signal guiding, power supply supply, transmit control signals to local coil and/or transmission clock signal.This Kind wiring is relative complex, because on the one hand since magnetic field strength is high in magnetic resonance imaging,MRI instrument and changes greatly, to these electricity The shielding of cable proposes high request, and another aspect local coil is often advanced together with check object relative to shell.
For solutions various known to corresponding wiring line.Therefore, as in document DE 10 2,011 079 565 A1, DE Disclosed in 10 2,008 063 629 A1 of 10 2,010 028 163 A1 and DE like that, it can provide for by local coil Interface, such as plug or the socket being directly routed on the shell of magnetic resonance imaging,MRI instrument.However herein the disadvantage is that, route exists It is typically due to the traveling of check object during measurement and is moved.In addition, connection of the local coil on shell may answer relatively It is miscellaneous, because being usually not easily accessible to corresponding link position.
As an alternative, the interface for local coil can be set directly with bed board sheet, and by signal example The branch foot of bed board is such as directed by route.However, which results in bed boards due to required casing electromagnetic wave barrier (Mantelwellensperren) and relatively long cable and manufacture with needing to expend and be expensive.In addition, magnetic resonance Structure space in tomography scanner is used for cable and casing electromagnetic wave barrier, otherwise structure space can be used for other components, Such as the local coil of fixed installation.
Alternatively possible solution is the interface that setting is used for local coil on the component separately designed with bed board, The component can for example be arranged in the head zone of bed board and can move together in measurement with bed board.Such component Also referred to as " to body contact ".The problem of solution, is, bed board should be transported to magnetic resonance in the case where some inspections The edge in the recessed sky portion of the shell of tomography scanner even exceeds edge.It is therefore desirable at the server-side of magnet, that is, exist Head end, which is possibly removed on that side in recessed sky portion, is arranged support construction, i.e., so-called " rear pedestal ", leads in this case Draw and carry the component with interface.So that the structure of magnetic resonance imaging,MRI instrument is more complicated and size is bigger.Setting This " rear pedestal " can obviously increase the cost of magnetic resonance imaging,MRI instrument and installation expends.
Utility model content
Therefore, the technical problem to be solved by the utility model is to provide a kind of magnetic resonance imaging,MRI instrument, with phase To the improved connection feasibility for local coil.
The technical problem is solved according to the utility model by the magnetic resonance imaging,MRI instrument of the above-mentioned type, wherein institute Supporting arrangement is stated to move coupling with the bed board at least in the trip segment or integrally design with the bed board.
Therefore device being supported supports attachment device in entire movement routine or in a trip segment of movement routine, The supporting arrangement at least moves coupling in the trip Duan Shangyu bed board or integrally designs with bed board.This structure can not Using " the rear pedestal " of above-mentioned fixed installation, and supporting arrangement is used, which can be at least at it from recessed sky portion Bearing connecting device when being removed in region, and the supporting arrangement is configured to a part of bed board or desirably moves with the bed board Coupling.The advantages of attachment device that this allows to illustrate before, separately designing with bed board, without " rear pedestal ", Namely in the fixation kit of the magnetic resonance imaging,MRI instrument of recessed that side bearing connecting device of sky portion of shell.
Attachment device can be coupled with bed board in this way, so that they are especially moved together in inspection. The movement can especially carry out on the longitudinal direction in recessed sky portion.Attachment device can be at least one section of movement routine in recessed sky portion Inside it is directed to.Supporting arrangement can bearing connecting device at least part gravity.
Preferably, the supporting arrangement at least carries the attachment device in the trip segment, so that the company of acting on Gravity on connection device is at least partly guided to the bed board via the supporting arrangement.Attachment device is therefore at least in institute It states in trip segment and is carried by bed board.In this way, the advantages of setting is used for the interface of local coil with bed board sheet can be with Largely at least there is the attachment device for being used to couple local coil separately designed with bed board with more advantageously manufacture It combines.
The magnetic resonance imaging,MRI instrument can have guiding device, and the bed board can be coupled with the guiding device, Enable the bed board mobile relative to the shell, wherein the magnetic resonance imaging,MRI instrument is designed in this way, so that in institute In the case where stating bed board and guiding device coupling, the bed board is additionally mechanically coupled to the supporting arrangement and/or described Supporting arrangement is mechanically coupled to the attachment device.Guiding device may, for example, be at least one groove, and bed board is accordingly matched The protrusion of category is entrenched in the groove, or vice versa.Guiding device can have the cause that can be controlled by control device Dynamic device, can be such that bed board moves relative to shell, especially in the case where inspection by the actuator.Corresponding guiding device is existing It is known in technology and will not be explained in detail.
In order to couple bed board and such guiding device, bed board is usually in the region in front of magnetic resonance imaging,MRI instrument It is promoted from lower position to so-called " master site ", bed board can be inserted into recessed sky portion in the master site.In promotion In the case of, bed board can also be coupled on above-mentioned actuator, to enable bed board to automatically retract in recessed sky portion.It is possible that Supporting arrangement is just coupled with attachment device before bed board is coupled on guiding device.As an alternative, supporting arrangement It can integrally design with bed board or just be coupled with bed board before bed board is coupled on guiding device.It completes to couple Later, bed board especially can be moved rigidly with attachment device and be coupled.Coupling can be achieved, i.e. the head end of bed board exists It is mechanically coupled to towards shell when coupling and with guiding device or supporting arrangement and/or attachment device.
The bed board and the supporting arrangement and/or the attachment device and the supporting arrangement can be designed in this way, from And by the vertical lifting of the bed board, so that the bed board is mechanically coupled to the supporting arrangement and/or the bearing Device can be mechanically coupled to the attachment device.Such as when promoting bed board, the protruding portion of bed board or supporting arrangement is embedded in In supporting arrangement or the groove of attachment device or vice versa, to make the movement coupling of these components.According to the utility model Movement coupling there is no need to additional work steps just to realize in bed board into the usual transmission process in recessed sky portion.
It can be equipped with locking device, the locking device in the locked state will be between the supporting arrangement and the bed board Vertical relative motion and/or the supporting arrangement and the attachment device between vertical relative motion be limited in the margin of tolerance It is interior, wherein the margin of tolerance is manipulated element limited boundary in side, unlocks the locking when manipulating the operating element Device.Corresponding locking device can extraly ensure to move coupling, such as so as to the retardation motion coupling in measurement process Unexpected release.However, the design of proposed locking device is so that by bed board after a measurement after removing in recessed sky portion, in bed Plate can automatically terminate the locking when declining.Locking device can be set on supporting arrangement, on bed board and/or attachment device On.Locking or unlocking purely mechanically to complete, but may be this setting actuator, which can for example manipulate It is controlled in the manipulation process of element by the control device of magnetic resonance imaging,MRI instrument.
The supporting arrangement can have hinge, wherein the supporting arrangement can be with the bed by curved hinge Plate and/or attachment device coupling, thus the hinge can be stretched by the vertical motion of the bed board.Preferably, Hinge can be engaged in stretch position during stretching, until being for example unlocked manually or by actuator.Have The supporting arrangement of hinge use for example can be realized, vertical lifting bed board so as to bed board is introduced into shell recessed sky portion in Before, connection is already established between bed board and supporting arrangement.The improved workflow for measurement process may be implemented in this, It can especially be easier to carry out preparing measurement.
The magnetic resonance imaging,MRI instrument can have guiding device, and the bed board can be coupled with the guiding device, Enable the bed board mobile relative to the shell, wherein coupling of the hinge in the bed board and the guiding device Extended position is locked in after even completing.What can be achieved from this is that hinge measure operation during will not bend and because For example when attachment device is pushed out the end in recessed sky portion, the hinge being capable of bearing connecting device for this.The locking of hinge can be with It is realized by the corresponding design of bed board and/or guiding device.For example, the lead segment of bed board can accommodate the arrangement of supporting arrangement Two coupling sections on the not ipsilateral of hinge, so that hinge can not be bent due to this enforced guiding.It can also be with The extended position of hinge is preset by corresponding bearing geometry.For example, the shifting of attachment device can be limited in this way Dynamic path, so that hinge is always lain on the element or shell of guiding device after completing coupling, and therefore at least anti- Only bending in one direction.
In magnetic resonance imaging,MRI instrument according to the present utility model, movement of the supporting arrangement in the attachment device It is decoupled in another trip segment in path with the bed board.In this case, supporting arrangement can be only in the shifting of attachment device Coupling is moved with bed board in one trip segment in dynamic path and is detached from except the trip section with bed board.For example, attachment device The guide member bearing of shell side can all be passed through in at least most of stroke in recessed sky portion.Recessed sky portion end only will be reached Before end, attachment device can be moved on supporting arrangement and supporting arrangement can be coupled with bed board.For example, can be in recessed sky portion One end arrange telescopic rod, supporting arrangement can be pulled out from recessed sky portion by the telescopic rod.This pull-out can be triggered so, I.e. telescopic rod is servo-actuated together by the pawl of bed board, to make supporting arrangement and bed board move coupling.
The supporting arrangement can have connecting groove, the coupling section of the bed board and/or the coupling of the attachment device Even section is embedded in the connecting groove, or vice versa, to make the supporting arrangement and the bed board and/or the company Connection device coupling.This can be realized particularly simple movement coupling of these components, especially vertically draw will couple section When entering into connecting groove, such as when by the height of bed board vertical lifting to recessed sky portion.
The magnetic resonance imaging,MRI instrument may include at least one actuator, by least one actuator Control can make the supporting arrangement from the bed board and/or attachment device decoupling and/or make the supporting arrangement and institute State bed board and/or attachment device coupling.Actuator can be controlled by control device.Corresponding actuator technologies can make to build It stands or releases more complicated coupling and be possibly realized, otherwise these more complicated couplings are only just able to achieve under high consuming.
The magnetic resonance imaging,MRI instrument can have sensor, by the sensor be able to detect the bed board and/ Or whether the attachment device couples with the supporting arrangement.Sensor for example can be button or grating etc., for example to examine Survey the interlocking of the coupling section in connecting groove.However it can also for example detect rotation or the position of the element moved by actuator Deng.
The sensor-type monitoring of the coupling is advantageous, because attachment device is connecting in the case where coupling unsuccessful situation Device may be no longer supported after removing in shell, this will lead to the damage of magnetic resonance imaging,MRI instrument.
Although in magnetic resonance imaging,MRI instrument according to the present utility model can by attachment device in side from the recessed of shell It is removed in empty portion, but usually should be avoided and go out attachment device in that laterosurtrusion being introduced into bed board in recessed sky portion.The shell can To have backstop on the side in the recessed sky portion, the backstop limits the boundary of the movement routine of the attachment device, thus The attachment device is protected in the side.It especially can be on guide rail or in another guide element guided to attachment device The upper corresponding backstop of setting.In this case it is possible, for example, to attachment device and bed board are guided by common guiding device, The backstop for attachment device is equipped on the common guiding device.Pass through pair of the guide member of attachment device side and bed board side Should design can make the backstop serve as backstop specific to attachment device, wherein can guide bed board along the backstop.
Detailed description of the invention
The further advantage and details of the utility model are known from following embodiment and attached drawing.In the accompanying drawings:
Fig. 1 schematically shows the embodiment of magnetic resonance imaging,MRI instrument according to the present utility model,
Fig. 2-6 schematically shows the details of the various other embodiments of magnetic resonance imaging,MRI instrument according to the present utility model Figure.
Specific embodiment
Fig. 1 shows a kind of magnetic resonance imaging,MRI instrument 1, has the shell 3 for accommodating main magnet 2, and shell 3, which has, to be used for Accommodate the recessed sky portion 4 for lying in the check object 6 on bed board 5.In the case where acquiring measured value, swept in such magnetic resonance tomography It retouches usually using local coil 8 in instrument 1, the measurement data of the local coil is provided to the control of magnetic resonance imaging,MRI instrument 1 Device 9.In addition, it is often desired to provide control signal, current signal and/or clock signal to local coil 8.For this purpose, by local Coil 8 is connect via one or more connecting cables 10 with interface 11, signal be sent to from the interface 11 control device 9 with And the other electronic device of magnetic resonance imaging,MRI instrument.
The simple of magnetic resonance imaging,MRI instrument 1 is realized in the case where in order to realize relatively advantageous and simple design at the same time Interface 11 in magnetic resonance imaging,MRI instrument 1 is arranged in attachment device 7 for operation, and attachment device 7 is used for local coil 8 It is coupled with control device 9.Attachment device 7 and bed board 5, which separate, designs and can move along path relative to the movement of shell 3. In at least position shown in of attachment device 7, at least supported in a part of movement routine by supporting arrangement 13, it is described Supporting arrangement supports the attachment device in this way, so that the gravity acted in attachment device 7 is at least partly installed via branch It sets 13 and is guided to bed board 5.Being thus connected device 7 can move together with bed board 5, therefore cable 10 is in the measurements in inspection pair As not needing during 6 movements or at least will not obviously deform.Setting is not needed simultaneously yet when attachment device 7 is in recessed sky portion 4 Except region when support connection device 7 support.It thus avoids during the installation of magnetic resonance imaging,MRI instrument 1 additional Cost and additional consuming.
Supporting arrangement 13 is only symbolically shown in Figure 1.It, which is realized, meets demand between attachment device 7 and bed board 5 Coupling.The specific configuration of coupling device or its alternative solution shown in being explained below with reference to Fig. 2 to Fig. 4.However, first It is noted that passing through the movement of bed board 5 caused by guiding device 12, this shifting in shown magnetic resonance imaging,MRI instrument 1 Dynamic to be in attachment device 7 except recessed sky portion 4, this certainly only can in the practical bearing by supporting arrangement 13 of attachment device 7 It carries out.In order to avoid the potential damage when this is not the case to magnetic resonance imaging,MRI instrument 1, magnetic resonance imaging,MRI instrument 1 With sensor 14, it can detecte whether bed board 5 and attachment device 7 couple with supporting arrangement 13 by the sensor.
Following examples show the details of the various operational feasibilities of guidance described above.Here, for function phase Identical appended drawing reference is suitably used in same component.Fig. 2 shows one embodiment, and wherein magnetic resonance imaging,MRI instrument 1 is set It is set to so that supporting arrangement 15 is integrally designed with bed board 5, wherein automatically carrying out when bed board 5 is transported to recessed sky portion 4 The coupling of supporting arrangement 15 and attachment device 16.As common for magnetic resonance imaging,MRI instrument, bed board 5 herein with magnetic The guiding device 12 for the tomography scanner 1 that resonates couples, so that bed board 5 is first for example, by moveable bed board load-bearing part 20 such as arrow It is vertically promoted illustrated by first 21.Here, supporting arrangement 15 has connecting groove 17, the coupling section 18 of attachment device is embedding It is connected in the connecting groove.Whereby, attachment device 16 is supported by supporting arrangement 15 and is maintained at the pre-determined bit relative to bed board 5 It sets.If bed board 5 is moved to position as shown in Figure 1, the gravity of attachment device 16 is carried by bed board 5.
In order to avoid the accident of described connection disconnects, the connection is extraly fixed by actuator 19, actuator 19 introduce unshowned safety plug in the corresponding recesses of bearing section 15, so that attachment device 16 is fixed on supporting arrangement On 15.The insurance can be realized so, i.e., can discharge the insurance when bed board 5 declines again when the measurement is completed automatically.Later Fig. 5 be reference will also be made to explain a kind of possibility for connection being locked automatically or being eliminated automatically when being promoted or reducing bed board locking Property.
It can be desirable to which supporting arrangement 23 is dividually designed with bed board 5, as shown in Figure 3.It is desired herein Be, bed board 5 promoted to enough height to be introduced into recessed sky portion 4 before, have begun bed board 5 and supporting arrangement 23 Coupling.To achieve it, supporting arrangement 23 has hinge 24, wherein supporting arrangement as illustrated in fig. 3 can be by curved Bent hinge 24 and bed board 5 couples.For this purpose, first that bed board 5 is recessed to being lower than along the direction guiding of shell 3 as shown in arrow 26 In the height in empty portion 4.Here, the pin 27 being arranged on an armed lever 25 of supporting arrangement 23 is rabbeted into the groove 28 of bed board 5. If then promoting bed board as shown in arrow 29, pin 27 slides to the right in the figure in the recess 28 and hinge 24 is stretched Exhibition.
Here, these components match each other in this way, so that the hinge after completing the coupling of bed board 5 and guiding device 12 Chain is locked in extended position.This is realized by the way that additional pin 30 is arranged on supporting arrangement 23, when bed board is recessed in arrival By towards when the movement of the direction of attachment device 22 after the height in empty portion 4, the additional pin 30 is equally also accommodated in groove 28 In.By all accommodating two pins 27,30 in the recess 28, hinge 24 is locked in extended position.In this way, shown in Fig. 1 In the position of bed board 5, attachment device 22 is prominent in this position exceeds recessed sky portion 4, then supporting arrangement 23 can be carried and be acted on Gravity in attachment device 22 is simultaneously directed to bed board 5.
It as an alternative, such as can be by the mechanical stop device of supporting arrangement 23 or by actuator by hinge 24 are locked in extended position.Also it is possible that hinge 24 or two armed levers in the region of hinge 24 are in attachment device 22 Entire movement routine on, lie on shell 3 or guiding device 12, and therefore prevent other than the coupling position shown in It is bent in the position of the bed board 5 especially shown in Fig. 1 of supporting arrangement 23.
In the embodiment illustrated referring to Fig. 2 and Fig. 3, during bed board 5 is introduced recessed sky portion 4, have occurred that The coupling of different components.However, as an alternative it is still possible that as shown in figure 4, only being moved in attachment device 31 In the case where, just establish the movement cooperation between bed board 5 and supporting arrangement 32.In the case of shown, attachment device 31 is for example It is coupled by pneumatic fittings and the movement of bed board 5, and is directed to first by the guiding device 12 being fixed on shell.Work as bed When plate 5 is further mobile to the left in the figure, supporting arrangement 32 is fixed in position first.Therefore attachment device 31 is pushed to On supporting arrangement 32.
Supporting arrangement 32 is coupled by telescopic rod 33 and shell 3, and wherein interior bar 36 is telescopic.The pawl 34 of bed board 5 Backstop 35 is reached, backstop 35 for example can be structured as the cross bar perpendicular to image direction, so that bed board 5 is moved farther leftward as leading Interior bar 36 is caused to be drawn out and be in turn moved to the left also supporting arrangement 32.Supporting arrangement 32 and bed board 5 are therefore in attachment device It is coupled in the trip segment of the edge side of 31 movement routine by movement.Automatic contracting of the supporting arrangement 32 when bed board 5 moves right Returning can be realized by unshowned reset element, such as spring.
Fig. 5 shows the mode that automatic locking and unlocking are realized when being promoted or reducing bed board 5, wherein in illustrated embodiment In, it is fixed in attachment device 38 with the supporting arrangement 37 of 5 unitary design of bed board.In position shown in Fig. 5, locking device It is locked, so that attachment device 38 is servo-actuated in the horizontal movement of bed board 5.In terms of vertical motion, supporting arrangement 37 and connection Relative motion between device 38 is limited in the locked state in the margin of tolerance 43.
The margin of tolerance, by 39 limited boundary of operating element, institute is unlocked when the operating element is manipulated in side State locking device.When unlocking the locking device, locking member 40,41 is overturn along the direction of shown arrow, thus release branch Bearing apparatus 37 simultaneously and then discharges bed board 5.This can be such as by realizing unshowned actuator or spring mechanism.When reduction bed When plate 5, which is automatically opened.
Automatic locking when promoting bed board can be realized by the way that another operating element 42 is arranged, and be grasped in operating element 42 When vertical, two locking members 40,41 be reversed back shown in position, thus move bed board 5 and attachment device 38 and couple.
In an alternative embodiment, for example, can be replaced by fixed barrier element in locking member 40,41 one It is a.
In the attachment device 16,22 shown in Fig. 2 and 3, for the attachment device, the coupling with bed board 5 occurs Attachment device 16,22 all should be avoided for example from the area in recessed sky portion in marginal end in recessed sky portion 4 in position as shown in Figures 2 and 3 It is drawn out in domain and therefore can for example fall to the ground.In order to prevent this situation, the guiding dress of shell 3, especially shell side Set 2 or its guide rail 47 can as illustrated in fig. 6 on the side in recessed sky portion 4 have backstop 44, the backstop limit attachment device 16, The boundary of 22 movement routine.Shown in view out of recessed sky portion, towards in terms of the direction of recessed sky portion end shown in Fig. 2 and 3.It can be with Find out, backstop 44 reduces the width of guide rail 47 on end side.If there is the width as shown in double-head arrow 45 using its bottom side Bed board 5 and its lower end have the attachment device 16,22 of the width as shown in double-head arrow 46, then the bed board can be between backstop 44 It is directed through, and further movement of the attachment device 16,22 towards the right hand edge in recessed sky portion 4 shown in Fig. 2 and 3 during this period It is stopped.
Although being further described and describing the utility model, the utility model by preferred embodiment Not by disclosed exemplary limitation, and those skilled in the art can be under the premise of not departing from the scope of the utility model Therefrom derive other variant schemes.

Claims (12)

1. a kind of magnetic resonance imaging,MRI instrument, the shell (3) including accommodating at least one main magnet (2), the shell (3) have For accommodating the recessed sky portion (4) of the check object (6) lain on bed board (5), and the magnetic resonance imaging,MRI instrument further includes The attachment device (7,16,22,31,38) separately designed with the bed board (5) is used at least one local coil (8) and magnetic The control device (9) of tomography scanner (1) of resonating is connected, wherein the attachment device (7,16,22,31,38) can be relative to It is mobile that the shell (3) moves along path, wherein the magnetic resonance imaging,MRI instrument (1) have supporting arrangement (13,15, 23,32,37), the supporting arrangement (13,15,23,32,37) at least supports the company in a trip segment of movement routine Connection device (7,16,22,31,38), which is characterized in that the supporting arrangement (13,15,23,32,37) is at least in the trip section Coupling is moved with the bed board (5) or is integrally designed with the bed board (5).
2. magnetic resonance imaging,MRI instrument according to claim 1, which is characterized in that the supporting arrangement (13,15,23, 32,37) attachment device (7,16,22,31,38) at least in the trip segment are carry, so that acting on attachment device Gravity on (7,16,22,31,38) is at least partly guided to via the supporting arrangement (13,15,23,32,37) described Bed board (5).
3. magnetic resonance imaging,MRI instrument according to claim 1, which is characterized in that the magnetic resonance imaging,MRI instrument has Guiding device (12), the bed board (5) can couple with the guiding device (12), so that the bed board (5) can be relative to The shell (3) is mobile, wherein the magnetic resonance imaging,MRI instrument (1) is designed in this way, so that in the bed board (5) and guiding In the case that device (12) couples, the bed board (5) additionally with the supporting arrangement (13,15,23,32,37) mechanically coupling Even and/or the supporting arrangement (13,15,23,32,37) is mechanically coupled to the attachment device (7,16,22,31,38).
4. magnetic resonance imaging,MRI instrument according to claim 1, which is characterized in that the bed board (5) and the branch install Set (13,15,23,32,37) and/or the attachment device (7,16,22,31,38) and the supporting arrangement (13,15,23,32, 37) be designed in this way, thus by the vertical lifting of the bed board (5), make the bed board (5) can with the supporting arrangement (13, 15,23,32,37) be mechanically coupled to and/or the supporting arrangement (13,15,23,32,37) can with the attachment device (7, 16, it 22,31,38) is mechanically coupled to.
5. magnetic resonance imaging,MRI instrument according to claim 4, which is characterized in that be equipped with locking device, the locking dress Set in the locked state by between the supporting arrangement (13,15,23,32,37) and the bed board vertical relative motion and/or Vertical relative motion limit between the supporting arrangement (13,15,23,32,37) and the attachment device (7,16,22,31,38) System is in the margin of tolerance (43), wherein the margin of tolerance (43) is manipulated element (39) limited boundary in side, in manipulation institute The locking device is unlocked when stating operating element.
6. magnetic resonance imaging,MRI instrument according to claim 1, which is characterized in that the supporting arrangement (13,15,23, 32,37) there are hinge (24), wherein the supporting arrangement (13,15,23,32,37) can be with by curved hinge (24) The bed board (5) and/or the attachment device (7,16,22,31,38) coupling, thus the hinge (24) can be by described The vertical motion of bed board (5) and stretch.
7. magnetic resonance imaging,MRI instrument according to claim 6, which is characterized in that the magnetic resonance imaging,MRI instrument has Guiding device (12), the bed board (5) can couple with the guiding device (12), so that the bed board (5) can be relative to The shell (3) is mobile, wherein coupling of the hinge (24) in the bed board (5) and the guiding device (12) completes it After be locked in extended position.
8. magnetic resonance imaging,MRI instrument according to claim 1, which is characterized in that the supporting arrangement (13,15,23, 32,37) in another trip segment of the movement routine of the attachment device (7,16,22,31,38) with the bed board (5) de- Coupling.
9. magnetic resonance imaging,MRI instrument according to any one of claim 1 to 8, which is characterized in that the supporting arrangement (13,15,23,32,37) there are connecting groove (17), the coupling section (18) and/or the attachment device of the bed board (5) The coupling section (18) of (7,16,22,31,38) is embedded in the connecting groove (17), or vice versa, to make the branch Bearing apparatus (13,15,23,32,37) and the bed board (5) and/or the attachment device (7,16,22,31,38) couple.
10. magnetic resonance imaging,MRI instrument according to any one of claim 1 to 8, which is characterized in that the magnetic resonance is disconnected Layer scanner includes at least one actuator (19), the branch can be made to install by the control at least one actuator (13,15,23,32,37) are set from the bed board (5) and/or the attachment device (7,16,22,31,38) decoupling and/or make institute It states supporting arrangement (13,15,23,32,37) and the bed board (5) and/or the attachment device (7,16,22,31,38) couples.
11. magnetic resonance imaging,MRI instrument according to any one of claim 1 to 8, which is characterized in that the magnetic resonance is disconnected Layer scanner has sensor (14), by the sensor be able to detect the bed board (5) and/or the attachment device (7, 16,22,31,38) whether coupled with the supporting arrangement (13,15,23,32,37).
12. magnetic resonance imaging,MRI instrument according to any one of claim 1 to 8, which is characterized in that the shell (3) There are backstop (44) on the side of the recessed sky portion (4), the backstop (44) limit the attachment device (7,16,22,31, 38) boundary of movement routine.
CN201820511975.4U 2017-04-12 2018-04-11 Magnetic resonance imaging,MRI instrument Active CN208607345U (en)

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DE202017001958.2U DE202017001958U1 (en) 2017-04-12 2017-04-12 MRI Scanner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777541A (en) * 2020-06-10 2021-12-10 西门子医疗有限公司 Local coil, magnetic resonance system, method and tool for producing a local coil

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008063629B4 (en) 2008-12-18 2012-05-24 Siemens Aktiengesellschaft Local coil assembly for magnetic resonance applications and patient couch for a magnetic resonance system with integrated electrical interfaces
DE102010028163B4 (en) 2010-04-23 2014-02-20 Siemens Aktiengesellschaft Magnetic resonance coil apparatus for a magnetic resonance examination
DE102011079565B4 (en) 2011-07-21 2022-09-15 Siemens Healthcare Gmbh Direct connection head coil with height adjustment for e.g. Bechterew patients

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113777541A (en) * 2020-06-10 2021-12-10 西门子医疗有限公司 Local coil, magnetic resonance system, method and tool for producing a local coil
CN113777541B (en) * 2020-06-10 2024-04-26 西门子医疗有限公司 Local coil, magnetic resonance system, method and tool for producing a local coil

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