• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:NL2005546A
    申请号:NL2005546
    申请日:2010-10-19
    公开日:2011-04-26
    发明作者:Shaohua Yao；Xueming Zeng；Lixin Gong；Weijiang Ding
    申请人:Ge Med Sys Global Tech Co Llc；
    IPC主号:
    专利说明:

    X-ray Imaging System
    BACKGROUND OF THE INVENTION
    [0001] The present invention relates to an X-ray imaging system and moreparticularly to an X-ray imaging system wherein an X-ray irradiator and an X-rayreceiver are supported so as to confront each other by a support mechanism installedon a flat carrier car having wheels for movement.
    [0002] As a kind of an X-ray imaging system there is known a mobile X-rayimaging system. In this type of an X-ray imaging system, an X-ray irradiator and anX-ray receiver are supported in a mutually confronting manner by a support mechanisminstalled on a flat carrier car having moving wheels. With such an X-ray imagingsystem, a patient difficult to move can be subjected to radiographing at the place wherethe patient is (see, for example, Japanese Unexamined Patent Publication No. Hei 11(1999)-221206 (Paragraph No. 0007-0008, Fig. 1)).
    [0003] SUMMARY OF THE INVENTION
    [0004] Movement of this type of an X-ray imaging system is done manually.The X-ray imaging system, which is fairly heavy, is large in inertia, so when it is to bestopped urgently for some reason, a very large stopping force is considered necessaryand there can be a case where the X-ray imaging system cannot be stopped by humanpower.
    [0005] Accordingly, it is an object of the present invention to provide an X-rayimaging system in which its movement can be stopped easily.
    [0006] In a first aspect of the present invention as means for solving theproblem, there is provided an X-ray imaging system in which an X-ray irradiator and anX-ray receiver are supported so as to confront each other by a support mechanisminstalled on a flat carrier car having a wheel for movement, the X-ray imaging systemcomprising a handle for manual movement attached to the flat carrier car and brakemeans juxtaposed to the handle.
    [0007] In a second aspect of the present invention as means for solving theproblem, there is provided, in combination with the first aspect, an X-ray imaging systemwherein the brake means has a lever for manual operation.
    In a third aspect of the present invention as means for solving the problem,there is provided, in combination with the second aspect, an X-ray imaging systemwherein the brake means has a brake shoe adapted to be operated by a manualoperation of the lever.
    [0008] In a fourth aspect of the present invention as means for solving the problem, there is provided, in combination with the third aspect, an X-ray imagingsystem wherein the brake shoe is brought into abutment against an outer periphery ofthe wheel by a manual operation of the lever.
    [0009] In a fifth aspect of the present invention as means for solving theproblem, there is provided, in combination with the fourth aspect, an X-ray imagingsystem wherein the brake means has a link mechanism for connection between thelever and the brake shoe.
    [0010] In a sixth aspect of the present invention as means for solving theproblem, there is provided, in combination with any of the second to fifth aspects, anX-ray imaging system wherein the manual operation of the lever is performed bygrasping the lever and the handle together.
    [0011] In a seventh aspect of the present invention as means for solving theproblem, there is provided, in combination with the first aspect, an X-ray imaging systemfurther comprising steering means which is operated manually by the handle.
    [0012] In an eighth aspect of the present invention as means for solving theproblem, there is provided, in combination with the seventh aspect, an X-ray imagingsystem wherein the steering means changes the direction of the wheel in accordancewith a manual operation of the handle.
    [0013] In a ninth aspect of the present invention as means for solving theproblem, there is provided, in combination with the eighth aspect an X-ray imagingsystem wherein the steering means has a rod mechanism for connection between thehandle and the wheel.
    [0014] In a tenth aspect of the present invention as means for solving theproblem, there is provided, in combination with any of the seventh to ninth aspects, anX-ray imaging system wherein the manual operation of the handle is performed byrotating the handle.
    [0015] In an eleventh aspect of the present invention as means for solving theproblem, there is provided, in combination with the first aspect, an X-ray imaging systemwherein the wheel comprises a main wheel and an auxiliary wheel.
    In a twelfth aspect of the present invention as means for solving the problem,there is provided, in combination with the eleventh aspect, an X-ray imaging systemwherein the brake means acts on the main wheel.
    [0016] In a thirteenth aspect of the present invention as means for solving theproblem, there is provided, in combination with the first aspect, an X-ray imaging systemwherein the support mechanism supports the X-ray irradiator and the X-ray receiver atboth ends respectively of a C arm.
    [0017] In a fourteenth aspect of the present invention as means for solving theproblem, there is provided, in combination with the thirteenth aspect, an X-ray imagingsystem wherein the flat carrier car supports the C arm through a support post.
    In a fifteenth aspect of the present invention as means for solving the problem,there is provided, in combination with the fourteenth aspect, an X-ray imaging systemwherein the support post supports the C arm rotatably.
    [0018] In a sixteenth aspect of the present invention as means for solving theproblem, there is provided, in combination with the fifteenth aspect, an X-ray imagingsystem wherein the support post has a power source for rotating the C arm.
    [0019] In a seventeenth aspect of the present invention as means for solvingthe problem, there is provided, in combination with the sixteenth aspect, an X-rayimaging system wherein the power source is a motor.
    In an eighteenth aspect of the present invention as means for solving theproblem, there is provided, in combination with the first aspect, an X-ray imaging systemwherein the X-ray irradiator has an X-ray tube.
    [0020] In a nineteenth aspect of the present invention as means for solving theproblem, there is provided, in combination with the first aspect, an X-ray imaging systemwherein the X-ray receiver has an image intensifier.
    [0021] In a twentieth aspect of the present invention as means for solving theproblem, there is provided, in combination with the first aspect, an X-ray imaging systemwherein the X-ray receiver has an X-ray detector panel.
    [Advantage of the Invention]
    [0022] According to the first aspect of the present invention, since the X-rayimaging system which supports an X-ray irradiator and an X-ray receiver in a mutuallyconfronting manner through a support mechanism installed on a flat carrier car having amoving wheel comprises a handle for manual movement attached to the flat carrier carand brake means juxtaposed to the handle, movement of the X-ray imaging system canbe stopped easily.
    [0023] According to the second aspect of the present invention, since the brakemeans has a lever for manual operation, it is easy to perform a braking operation.
    According to the third aspect of the present invention, since the brake meanshas a brake shoe which is operated by a manual operation of the lever, it is possible toeffect braking by a manual operation.
    [0024] According to the fourth aspect of the present invention, since the brakeshoe is brought into abutment against an outer periphery of the wheel by a manualoperation of the lever, it is possible to brake the wheel by the manual operation.
    According to the fifth aspect of the present invention, since the brake meanshas a link mechanism for connection between the lever and the brake shoe, it ispossible to transmit the operation of the lever to the brake shoe mechanically.
    [0025] According to the sixth aspect of the present invention, since the manualoperation of the lever is performed by grasping the lever together with the handle, it ispossible to improve the operability of the lever.
    According to the seventh aspect of the present invention, since the X-rayimaging system comprises steering means which is operated manually by the handle, itis possible to steer a moving direction.
    [0026] According to the eighth aspect of the present invention, since thesteering means changes the direction of the wheel in accordance with a manualoperation of the handle, it is possible to steer the wheel.
    According to the ninth aspect of the present invention, since the steeringmeans has a rod mechanism for connection between the handle and the wheel, it ispossible to transmit the operation of the handle to the wheel mechanically.
    [0027] According to the tenth aspect of the present invention, since the manualoperation of the handle is performed by rotating the handle, it is possible to improve theoperability of the handle.
    According to the eleventh aspect of the present invention, since the wheelcomprises a main wheel and an auxiliary wheel, it is possible to share a load.
    [0028] According to the twelfth aspect of the present invention, since the brakemeans acts on the main wheel, it is possible to effect braking efficiently.
    According to the thirteenth aspect of the present invention, since the supportmechanism supports the X-ray irradiator and the X-ray receiver at both endsrespectively of a C arm, both can be confronted each other easily.
    [0029] According to the fourteenth aspect of the present invention, since the flatcarrier car supports the C arm through a support post, it is possible to support the C armproperly.
    According to the fifteenth aspect of the present invention, since the supportpost supports the C arm rotatably, it is possible to change the radiographing direction.
    [0030] According to the sixteenth aspect of the present invention, since thesupport post has a power source for rotating the C arm, human power is not required forrotating the C arm.
    According to the seventeenth aspect of the present invention, since the powersource is a motor, it is possible to generate power for rotation properly.
    [0031] According to the eighteenth aspect of the present invention, since the X-ray irradiator has an X-ray tube, it is possible to generate X-ray properly.
    According to the nineteenth aspect of the present invention, since the X-rayreceiver has an image intensifier, it is possible to receive X-ray with a high sensitivity.
    [0032] According to the twentieth aspect of the present invention, since theX-ray receiver has an X-ray detector panel, the X-ray receiver can be made thin.
    BRIEF DESCRIPTION OF THE DRAWINGS
    [0033]
    Fig. 1 is a diagram showing the configuration of an X-ray imaging systemaccording to an embodiment of the present invention.
    Fig. 2 is a diagram showing the configuration of a flat carrier car.
    DETAILED DESCRIPTION OF THE INVENTION
    [0034] A mode for carrying out the present invention will be described below indetail with reference to the drawings. The present invention is not limited to the modefor carrying out the invention.
    Fig. 1 shows schematically the configuration of an X-ray imaging system 1.
    The X-ray imaging system 1 is an example of the mode for carrying out the presentinvention. With the configuration of the X-ray imaging system 1, there is shown anexample of the mode for carrying out the present invention in connection with the X-rayimaging system.
    [0035] As shown in Fig. 1, the X-ray imaging system 1 has a radiographingsection 10 and a control section 20. The radiographing section 10 is connectedelectrically to the control section 20 and performs radiographing while being controlledby the control section 20. The control section 20 serves also as an operator console.The control section 20 may be integral with the radiographing section 10. A descriptionwill be given below about an example of both being separate, the same is true of thecase where both are integral.
    [0036] The radiographing section 10 is of a structure wherein an X-rayirradiating/detecting apparatus 150 is attached to a support post 112 of a flat carrier car110. The flat carrier car 110 is provided, at an upper position, with a handle 114 formanual movement and is also provided, at lower positions, with moving wheels 116a, 116b and 116c. Thus, the flat carrier car 110 can be moved manually. Of course, itcan be moved by pulling.
    [0037] The wheel 116a is a main wheel and the wheels 116b and 116c areauxiliary wheels. The main wheel 116a is present on each of both sides in the transverse direction (perpendicular to the paper surface) of the flat carrier car 110. Theauxiliary wheels 116b and 116c are present on a front side (right side in the figure) and arear side (left side in the figure), respectively, of the flat carrier car 110.
    [0038] The handle 114 serves also as a steering handle and is connected to themain wheel 116a through a rod mechanism 118. The rod mechanism 118 converts arotational angle of the handle 114 into a steering angle of the main wheel 116a.
    [0039] Therefore, the direction of the main wheel 116a can be changedarbitrarily by operating the handle 114. On the other hand, the auxiliary wheels 116band 116c are steering-free wheels and their directions change following movement ofthe flat carrier car 110.
    [0040] The handle 114 and the rod mechanism 118 are an example of thesteering means defined in the present invention. The mechanism comprising thehandle 114 and the rod mechanism 118 will hereinafter be referred to as a steeringmechanism 130.
    [0041] Though not shown, the flat carrier car 110 has a brake mechanismjuxtaposed to the steering mechanism 130. The brake mechanism is for braking themain wheel 116a. As to the brake mechanism, a description will be given again later.
    [0042] The flat carrier car 110 is an example of the flat carrier car defined in thepresent invention. The support post 112 is an example of the support post defined inthe present invention. The handle 114 is an example of the handle defined in thepresent invention. The wheels 116a, 116b and 116c are an example of the wheeldefined in the present invention, of which the wheel 116a is an example of the mainwheel defined in the present invention and the wheels 116b and 116c are an example ofthe auxiliary wheel defined in the present invention.
    [0043] The X-ray irradiating/detecting apparatus 150 has a configuration suchthat it supports an X-ray irradiator 152 and an X-ray receiver 154 in a mutuallyconfronting manner at both ends of a C arm 156, and the C arm is supported at anintermediate position thereof by a bracket 158. The bracket 158 supports the C arm156 movably along the curve. The bracket 158 incorporates a drive mechanism whichpermits such a movement.
    [0044] The bracket 158 has a horizontal rotating shaft 160, which shaft issupported by a support mechanism 112a installed at an upper end of the support post 112 of the flat carrier car 110. In the support mechanism 112a is incorporated a powersource for rotating the rotating shaft 160. For example, a motor is used as the drivesource.
    [0045] The X-ray irradiator 152 is an example of the X-ray irradiator defined in the present invention. The X-ray receiver 154 is an example of the X-ray receiverdefined in the present invention. The C arm 156 is an example of the C arm defined inthe present invention. The C arm 156, bracket 158, rotating shaft 160 and supportmechanism 112a are an example of the support mechanism defined in the presentinvention.
    [0046] For radiographing, X-ray is radiated from the X-ray irradiator 152 to apatient 30 and transmitted X-ray is received by the X-ray receiver 154. The X-rayradiating direction is adjusted by changing the rotational angle of the C arm 156 and (or)the amount of movement of the C arm 156 along the curve.
    [0047] The X-ray is generated from an X-ray tube incorporated in the X-rayirradiator 152. The transmitted X-ray is received by an image intensifier incorporatedin the X-ray receiver 154. For receiving the X-ray there may be used an X-ray detectorpanel instead of the image intensifier. The X-ray detector panel is constituted by asemiconductor substrate having a two- dimensional array of X-ray receiving elements.
    [0048] An X-ray reception signal from the X-ray receiver 154 is transmitted tothe control section 20. On the basis of the X-ray reception signal, the control section20 produces a radioscopic image. The radioscopic image is displayed on a display202. The control section 20 also has moving wheels 204a and 204b and thus can bemoved manually.
    [0049] Fig. 2 shows schematically the configuration of the flat carrier car 110equipped with a brake mechanism. As shown in Fig. 2, a brake mechanism 140 isjuxtaposed to the steering mechanism 130. The brake mechanism 140 has a lever144 for manual operation, a brake shoe 146 for braking and three links 148a, 148b and148c for connection between the lever and the brake shoe.
    [0050] The lever 144 is an example of the lever defined in the present invention.The brake shoe 146 is an example of the brake shoe defined in the present invention.The links 148a, 148b and 148c are an example of the link mechanism defined in thepresent invention.
    [0051] The lever 144 is provided under the handle 114 so that it can be graspedtogether with the handle 114. Afulcrum 144a of the lever 144 is positioned neara baseportion of the handle 114.
    [0052] The brake shoe 146 is an arcuate member which is curved along anouter periphery of each main wheel 116a. The brake shoe 146 is supported at bothends thereof by two links 146b and 146c which are swingable about a fulcrum 146a,and is opposed to the outer periphery of the main wheel 116a without contact with themain wheel outer periphery. The fulcrum 146a of the links 146b and 146c is eccentric to an axle of the main wheel 116a. The direction of eccentricity is opposite to the brakeshoe 146.
    [0053] Of the three links 148a, 148b and 148c, the link 148b is a disc-like linkhaving a fulcrum 148bb. With a spring (not shown), a reaction force which resists acounterclockwise rotation in the figure is imparted to the link 148b.
    [0054] The disc-like link 148b is connected on its left end side in the figure to anoperating end of the lever 144 through the link 148a and is connected on its right endside in the figure to one end of the link 146b of the brake shoe 146 through the link 148c.The connections are all joints.
    [0055] In the brake mechanism 140 described above, when the lever 144 isgrasped tightly together with the handle 114, the lever 144 rotates clockwise in thefigure as indicated with an arrow, causing the link 148b to rotate counterclockwise in thefigure through the link 148a as indicated with an arrow.
    [0056] This rotation is transmitted to the link 146b through the link 148c,causing the link 146b to rotate counterclockwise in the figure as indicated with an arrowand thereby bringing the brake shoe 146 into contact with the outer periphery of themain wheel 116a. As a result, a braking force induced by a frictional force of the brakeshoe 146 acts on the main wheel 116a.
    [0057] Thus, since the main wheel 116a can be braked by a manual operationof the lever 144, movement of the radiographing section 10 can be stopped easily andsafely even if the radiographing section is fairly heavy.
    权利要求:
    Claims (6)
    [1]
    What is claimed is: 1. An X-ray imaging system, in which an X-ray emitter and an X-ray receiver are supported in such a way by a support mechanism installed on a flat carrier carriage with a wheel for movement, said x-ray imaging system comprising: a handle for manual travel attached to the flat carrier carriage; and a braking means disposed close to the handle.
    [2]
    The X-ray imaging system of claim 1, wherein the braking means has a lever for manual operation.
    [3]
    An X-ray imaging system according to claim 2, wherein the braking means has a brake shoe which is adapted to be operated by means of a manual operation of the lever.
    [4]
    An X-ray imaging system according to claim 3, wherein the brake shoe is brought into contact with an outer circumference of the wheel by means of a manual operation of the lever.
    [5]
    The X-ray imaging system of claim 4, wherein the braking means has a connection mechanism for the connection between the lever and the brake shoe.
    [6]
    An X-ray imaging system according to any of claims 2 to 5, wherein the manual operation of the lever is performed by gripping the lever and the handle simultaneously.
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CN200910209944.9A|CN102038511B|2009-10-23|2009-10-23|X-ray imaging system|
    CN200910209944|2009-10-23|
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