CN101496722B - Sick bed driving device of magnetic resonance system - Google Patents
Sick bed driving device of magnetic resonance system Download PDFInfo
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- CN101496722B CN101496722B CN2008100052015A CN200810005201A CN101496722B CN 101496722 B CN101496722 B CN 101496722B CN 2008100052015 A CN2008100052015 A CN 2008100052015A CN 200810005201 A CN200810005201 A CN 200810005201A CN 101496722 B CN101496722 B CN 101496722B
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Abstract
The invention provides a hospital bed driving device for a magnetic resonance system. The magnetic resonance comprises a magnet of which the front has an upright post part, and the hospital bed driving device comprises a bracket, side arms and a hospital bed, the bracket comprises bottom edges and two side edges, and can be movably arranged on the upright post part of the magnet and drive the bracket to move up and down through a motor; the side arms can be movably arranged on two sides of the bracket and are driven to move left and right through a motor; and the hospital bed is arranged in the side arms and is driven by a motor to move left and right. Through the up-and-down, front-and-back and left-and-right movements of the bracket, the side arms and the hospital bed, the three-dimension drive of the bed is realized. At the same time, the motors driving the bracket, the side arms and the hospital bed are all arranged on the rear surface of the magnetic and do not move with the hospital bed, thereby avoiding influence on the shimming parameters of the magnet and on the imaging quality of the image of magnetic resonance equipment.
Description
Technical field
The present invention relates to magnetic resonance system, particularly relate to a kind of sick bed driving device of magnetic resonance system
Background technology
Magnetic resonance system in the market, particularly permanent magnetic resonance system, the sick bed device that cooperates scanography to use has two kinds usually.
A kind of is split type sick bed device, and independently the sick bed device is placed on the next door of magnetic resonance system for operation.Yet this split type sick bed device need take very big place, and because the magnet of sick bed device and magnetic resonance system is not an one, therefore the conditional request to the fabricating yard of magnetic resonance system is very high, and has obviously increased the workload to the cooperation debugging of described split type sick bed device and magnetic resonance system.
This split type sick bed device can be realized sick bed moving on one dimension (vertically) or two dimension (vertical and vertical) direction manually, but this has strengthened scan operation personnel's workload.Selectively, also can actuating unit be set in the side of sick bed device, move by the motor-driven sick bed, but because motor also is positioned at the magnet side of magnetic resonance system simultaneously, and move along with moving of sick bed, this will have influence on the shimming parameter of magnets magnetic fields, further can have influence on the image quality of image.
Another be arranged on the column of the magnet of magnetic resonance system partly go up, with the incorporate sick bed device of magnet, yet present incorporate sick bed device and above-mentioned split type sick bed device are similar, its sick bed can only be implemented in moving on one dimension (vertically) or two dimension (the vertical and vertical) direction mostly, can be implemented in moving on three-dimensional (vertical, vertical, the horizontal) direction extremely individually, but because the restriction of actuating unit, moving range in the horizontal is very little, is not enough to satisfy the needs of scanography; Because motor is arranged on the magnet both sides, also can influences the shimming parameter in magnetic field as mentioned above, and then influence the image quality of image simultaneously.
Summary of the invention
The objective of the invention is to propose a kind of sick bed driving device of magnetic resonance system, be used on three-dimensional, driving sick bed and move, and can not influence the shimming parameter in magnetic field.
For realizing above-mentioned purpose, the present invention proposes a kind of sick bed driving device of magnetic resonance system, described magnetic resonance system comprises that the place ahead has the magnet of opening, described magnet comprises the uprights branch, the sick bed driving device of described magnetic resonance system comprises support, and on the column part that is arranged on described magnet, described support comprises base and dual-side movably, the opening that described base and dual-side form and the opening of described magnet move up and down by the described support of motor-driven in the same way; Side arm is separately positioned on the dual-side of described support movably, moves forward and backward by the described side arm of motor-driven, on the described side arm guide rail is set; And sick bed, be arranged in the guide rail of described side arm, by the described sick bed of motor-driven move left and right in described guide rail.
The upper and lower edge of the base of described support and dual-side turns down in opposite directions respectively and forms flanging.Between the flanging on the base of described support the feed screw nut is set, screw mandrel passes described feed screw nut and forms transmission with it and cooperates.On the motor of described driving arm and the described screw mandrel sprocket wheel is set respectively, links to each other by driving-belt between the described sprocket wheel.On the rear surface of the column part of described magnet installing plate is set, the motor of described driving arm and described screw mandrel are installed on the described installing plate.Described installing plate is separately positioned on described hemmed both sides, and an end of the motor of described driving arm and described screw mandrel is installed on the described installing plate of a side wherein, on the installing plate of opposite side axle sleeve is set, and the other end of described screw mandrel is arranged in the described axle sleeve.Pilot sleeve also is set between the described flanging, and the axis of guide passes described pilot sleeve, and the two ends of the described axis of guide are separately positioned on the installing plate of described flanging both sides.On the described installing plate axle sleeve is set, the two ends of the described axis of guide are arranged in the described axle sleeve.
In the described side arm feed screw nut is set, screw mandrel passes described feed screw nut and forms transmission with it and cooperates.On the motor of described driving side arm and the described screw mandrel sprocket wheel is set respectively, links to each other by driving-belt between the described sprocket wheel.The motor of described driving side arm is arranged on the column rear surface partly of described magnet.The motor of described driving side arm is arranged between two flangings on base of described support.The rear and front end of the side of described support is provided with installing plate respectively, and described screw mandrel is installed on the described installing plate.On the described installing plate axle sleeve is set, the two ends of described screw mandrel are separately positioned in the described axle sleeve.In the described side arm pilot sleeve is set, the axis of guide passes described pilot sleeve, and two ends are separately positioned on the described installing plate.On the described installing plate axle sleeve is set, the two ends of the described axis of guide are arranged in the described axle sleeve.
The bottom surface of described sick bed is provided with tooth bar.The hemmed rear and front end of the side of described support is provided with axle sleeve respectively, and rotating shaft (320) is arranged between the described axle sleeve.In the described rotating shaft gear is set, described gear is meshed with the tooth bar of described sick bed.The motor of described driving sick bed is arranged on the column rear surface partly of described magnet.In described motor and the described rotating shaft sprocket wheel is set respectively, links to each other by driving-belt between the described sprocket wheel.In the described rotating shaft key is set, described gear is set in the described rotating shaft movably by described key.Described side arm extends a pair of group of plate towards the direction of described rotating shaft, and the described group of plate with the sandwich of described gear therebetween.
By above-mentioned support moving on the above-below direction, side arm makes progress in front and back move and sick bed from moving on left and right directions, realized on three-dimensional, driving the purpose of described sick bed.Simultaneously, because the motor that is used to drive above-mentioned support, side arm and sick bed all is arranged on the rear surface of described magnet, and can be with not the moving of sick bed, therefore can be to the shimming parameter generating influence of magnet, thus can not influence the image quality of the image of magnetic resonance equipment.
Description of drawings
Fig. 1 is the structure and the shifting principle sketch map of the sick bed driving device of magnetic resonance system of the present invention;
Fig. 2 is that the sick bed driving device of the magnetic resonance system of Fig. 1 drives the structural representation that its sick bed moves in vertical direction;
Fig. 3 is that the sick bed driving device of the magnetic resonance system of Fig. 1 drives the structural representation that its sick bed moves in a lateral direction;
Fig. 4 is that the sick bed driving device of the magnetic resonance system of Fig. 1 drives the structural representation that its sick bed moves in a longitudinal direction;
Fig. 5 is the view of Fig. 4 on another visual angle;
Fig. 6 is the zoomed-in view of VI part among Fig. 5; And
Fig. 7 is the view of Fig. 6 on another visual angle.
Reference list:
1 magnetic resonance system, 242 sprocket wheels
10 supports, 243 sprocket wheels
110 bases, 244 driving-belts
111 sides, 250 installing plates
112 flangings, 260 axis of guides
120 screw mandrels, 270 pilot sleeves
130 feed screw nuts, 280 axle sleeves
290 groups of plates of 141 motors
142 sprocket wheels, 30 sick beds
143 sprocket wheels, 310 tooth bars
320 rotating shafts of 144 driving-belts
150 installing plates, 321 fitting keies
160 axis of guides, 330 gears
170 pilot sleeves, 341 motors
180 axle sleeves, 342 sprocket wheels
20 side arms, 343 sprocket wheels
210 guide rails, 344 driving-belts
220 screw mandrels, 350 axle sleeves
230 feed screw nuts, 50 magnets
241 motors, 510 column parts
The specific embodiment
Below description be that to quote in C shape open type magnetic resonance system with the sick bed driving device of magnetic resonance system of the present invention be that example describes, but be appreciated that ground, the present invention equally also can be applied in other the magnetic resonance system, and does not exceed with the open type magnetic resonance system.
Referring to Fig. 1, magnetic resonance system 1 comprises tool C shape magnet 50, and described magnet 50 comprises column part 510.The sick bed driving device of magnetic resonance system of the present invention comprises support 10, two side arms 20 and the sick bed 30 that cooperatively interacts.
For sake of convenience, specific adopted three-dimensional cartesian coordinate system, its left and right directions with magnetic resonance system 1 (direction that runs through the opening of C shape magnet 50) is an X-axis, the longitudinal direction that described X-axis moves corresponding to described sick bed 30; Fore-and-aft direction with magnetic resonance system is a Y-axis, the horizontal direction that described Y-axis moves corresponding to described sick bed 30; Above-below direction with magnetic resonance system is the Z axle, the vertical direction that described Z axle moves corresponding to described sick bed 30.
Described support 10 takes the shape of the letter U, and comprises base 110 and dual-side 111, and about respectively at right angles the turnover in opposite directions of the upper and lower edge of described base 110 and dual-side 111 forms flanging 112.Described support 10 flatly is arranged on along X-Y plane on the column part 510 of described magnet 50, and wherein, base 110 is along the X-axis setting, and dual-side 111 is respectively along the Y-axis setting.Support 10 is provided with around the column part 510 of described magnet 50, the opening of its U-shaped opening and magnet 50 in the same way, the inner surface of the inner surface on base 110 and dual-side 111 rear surface and the side surface with the column part 510 of magnet 50 respectively is relative.Described support 10 is used for driving described sick bed 30 and vertically moves up and down along Z-direction, and its implementation describes in detail hereinafter.
Described side arm 20 is separately positioned in the guide groove that the apparent surface by the outer surface of the dual-side 111 of described support 10 and two flangings 112 forms, and can be in described guide groove move forward and backward laterally along Y-axis and move.The upper limb of described side arm 20, preferably the front end at described upper limb is provided with guide rail 210.Described side arm 20 is used for driving described sick bed 30 and laterally moves before and after Y direction, and its implementation describes in detail hereinafter.
Described sick bed 30 longitudinally is arranged in the described guide rail 210 of described side arm 20 along X-axis, and can vertically move along about X-direction in described guide rail 210, and its implementation describes in detail hereinafter.
The sick bed driving device that Fig. 2 shows magnetic resonance system of the present invention drives its sick bed in the structure that vertically moves up and down along Z-direction.For brevity, only marked among the figure and the described vertical label that moves relevant structure of realization, the label of other structures is not marked for the time being.
Between the flanging 112 on the base 110 of described support 10 feed screw nut 130 is set, preferably, described feed screw nut 130 is along described Z axle setting and perpendicular to described flanging 112.Screw mandrel 120 passes described feed screw nut 130 and forms transmission with it and cooperates, and described screw mandrel 120 is along the Z-direction setting, and is fixed and can't moves up and down, can only be around its axis rotation, and it is at the described support 10 of described Z-direction upper support.Drive described screw mandrel 120 around its axis rotation by motor 141; Wherein, on described motor 141 and the described screw mandrel 120 sprocket wheel 142 and 143 are set respectively, link to each other by driving-belt 144 between the described sprocket wheel 142 and 143; When described motor 141 rotated, by described sprocket wheel 142, driving-belt 144, the interaction between the sprocket wheel 143 drove described screw mandrel 120 around its axis rotation.Because described screw mandrel 120 is fixing on Z-direction, therefore described feed screw nut 130 moves vertically at the gearing lower edge of described screw mandrel 120 Z axle, moves vertically along the Z axle thereby drive described support 10.Because described sick bed 30 is arranged on the described side arm 20, and described side arm 20 is arranged on the described support 10, therefore when support 10 was mobile vertically along the Z axle, described sick bed 30 moved along the Z axle thereupon vertically.
At least one installing plate 150 is set on the rear surface of the column part 510 of described magnet 50, and described motor 141 and described screw mandrel 120 are installed on the described installing plate 150; Preferably, described installing plate 150 is arranged on a side of described flanging 112 abreast; More preferably, described installing plate 150 is arranged on the both sides of described flanging 112 respectively abreast, described motor 141 and described screw mandrel 120 are installed on the described installing plate 150 of a side wherein, on the installing plate 150 of opposite side axle sleeve 180 is set, the installing plate 150 that an end of described screw mandrel 120 passes described side is arranged in the described axle sleeve 180.Further, between the flanging 112 on the base 110 of described support 10 pilot sleeve 170 is set, preferably, described pilot sleeve 170 is set in described feed screw nut's 130 both sides.The axis of guide 160 passes described pilot sleeve 170, its two ends are separately positioned on the installing plate 150 of described flanging 112 both sides, preferably, the position at the two ends of the corresponding described axis of guide 160 is provided with axle sleeve 180 on the described installing plate 150, and the two ends of the described axis of guide 160 are arranged in the described axle sleeve 180.When described motor 141 drives described screw mandrel 120 rotations, described screw mandrel 120 moves up and down described feed screw nut 130 by transmission, thereby when described support 10 was moved up and down, described pilot sleeve 170 moved up and down along the described axis of guide 160, to the mobile effect of playing guiding of described support 10.
The sick bed driving device that Fig. 3 shows magnetic resonance system of the present invention drives its sick bed in the structure that laterally moves before and after Y direction.For brevity, only marked and realized the described laterally label of mobile relevant structure among the figure, the label of other structures is not marked for the time being.
Along Y direction feed screw nut 230 is set at least one described side arm 20, screw mandrel 220 passes described feed screw nut 230 and forms transmission with it and cooperates, and wherein, screw mandrel 220 is along the Y direction setting, and is fixed and can't moves forward and backward, can only be around its axis rotation.Drive described screw mandrel 220 around its axis rotation by motor 241; Wherein, described motor 241 is arranged on the rear surface of column part 510 of described magnet 50, preferably be arranged on up and down between two flangings 112 of base 110 of described support 10, on described motor 241 and the described screw mandrel 220 sprocket wheel 242 and 243 are set respectively, link to each other by driving-belt 244 between the described sprocket wheel 242 and 243; When described motor 241 rotated, by described sprocket wheel 242, driving-belt 244, the interaction between the sprocket wheel 243 drove described screw mandrel 220 around its axis rotation.Because described screw mandrel 220 is fixing on Y direction, therefore described feed screw nut 230 laterally moves before and after the Y-axis of the gearing lower edge of described screw mandrel 220, thereby drives described side arm 20 laterally mobile before and after the Y-axis in the guide groove that the apparent surface by the outer surface of the dual-side 111 of described support 10 and two flangings 112 forms.Because described sick bed 30 is arranged on the described side arm 20, therefore horizontal when mobile before and after Y-axis when side arm 20, described sick bed 30 is laterally mobile before and after the Y-axis thereupon.
On the side 111 of described support 10, preferably between the lower hem 112 at least one installing plate 250 is set on described, described screw mandrel 220 is installed on the described installing plate 250; Preferably, described installing plate 250 is separately positioned on the rear and front end of described side 111 abreast, on described installing plate 250 axle sleeve 280 is set, and the two ends of described screw mandrel 220 are separately positioned in the described axle sleeve 280.Further, in the described side arm 20 pilot sleeve 270 is set, preferably, described pilot sleeve 270 is set in described feed screw nut's 230 both sides.The axis of guide 260 passes described pilot sleeve 270, its two ends are separately positioned on the described installing plate 250, preferably, the position at the two ends of the corresponding described axis of guide 260 is provided with axle sleeve 280 on the described installing plate 250, and the two ends of the described axis of guide 260 are arranged in the described axle sleeve 280.When described motor 241 drives described screw mandrel 220 rotations, described screw mandrel 220 moves forward and backward described feed screw nut 230 by transmission, thereby when described side arm 20 was moved forward and backward, described pilot sleeve 270 moved forward and backward along the described axis of guide 260, to the mobile effect of playing guiding of described side arm 20.
The sick bed driving device that Fig. 4 to Fig. 6 shows magnetic resonance system of the present invention drives its sick bed in the structure that vertically moves along about X-direction.For brevity, only marked among the figure and the described label that vertically moves relevant structure of realization, the label of other structures is not marked for the time being.
The bottom surface of described sick bed 30 is provided with and is parallel to the tooth bar 310 that Y-axis is arranged.The rear and front end of the upper hem 112 of at least one side 111 of described support 10 is provided with axle sleeve 350 respectively, and rotating shaft 320 is passed described axle sleeve 350 and is fixed in wherein and can't moves forward and backward, can only be around its axis rotation.In the described rotating shaft 320 gear 330 is set, described gear 330 is meshed with the tooth bar 310 of described sick bed 30.On the rear surface of the column part 510 of described magnet 50 motor 341 is set, drive described rotating shaft 320 rotations by described motor 341, thereby drive gear 330 rotations in the described rotating shaft 320, drive described sick bed 10 by the engaged transmission between described gear 330 and the described tooth bar 310 and about X-axis is in the described guide rail 210 of described side arm 20, vertically move; Wherein, in described motor 341 and the described rotating shaft 320 sprocket wheel 342 and 343 are set respectively, link to each other by driving-belt 344 between the described sprocket wheel 342 and 343; When described motor 341 rotated, by described sprocket wheel 342, driving-belt 344, the interaction between the sprocket wheel 343 drove described rotating shaft 320 around its axis rotation.
Simultaneously referring to Fig. 6 and Fig. 7, in order to prevent to be separated with the tooth bar 310 of described sick bed 30 owing to keep motionless along the horizontal described gear 330 when mobile of Y-axis with described side arm 20 when sick bed 30, in described rotating shaft 320 key 321 is set, described gear 330 is set in the described rotating shaft 320 and can slides along described key 321.Described side arm 20 extends a pair of group of plate 290 towards the direction of described rotating shaft 320, and the described group of plate 290 with the sandwich of described gear 330 therebetween.Horizontal when mobile along Y-axis when described side arm 20, the described group of plate 290 stirred described gear 330 and followed together and move, thereby guarantees that described gear 330 is in engagement with the tooth bar 310 of described sick bed 30 all the time.
From moving on X-direction, realized on the XYZ three-dimensional, driving described sick bed 30 at the mobile and sick bed 10 on the Y direction at mobile, side arm 20 on the Z-direction by above-mentioned support 10.Simultaneously, because the motor that is used to drive above-mentioned support 10, side arm 20 and sick bed 30 all is arranged on the rear surface of described magnet 50, and can not moving with sick bed 30, therefore can be to the shimming parameter generating influence of magnet 50, thus the image quality of the image of magnetic resonance equipment can not be influenced.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (22)
1. the sick bed driving device of a magnetic resonance system, described magnetic resonance system comprises that the place ahead has the magnet of opening (50), described magnet (50) comprises column part (510), it is characterized in that, comprising:
Support (10), movably on the column part (510) that is arranged on described magnet (50), described support (10) comprises base (110) and dual-side (111), the opening that described base (110) and dual-side (111) form and the opening of described magnet (50) drive described support (10) by first motor (141) and move up and down in the same way; Wherein, the upper and lower edge of the base (110) of described support (10) and dual-side (111) turns down in opposite directions respectively and forms flanging (112);
Side arm (20) is separately positioned on the dual-side (111) of described support (10) movably, drives described side arm (20) by second motor (241) and moves forward and backward, and guide rail (210) is set on the described side arm (20); And
Sick bed (30) is arranged in the guide rail (210) of described side arm (20), drives described sick bed (30) move left and right in described guide rail (210) by the 3rd motor (341).
2. the sick bed driving device of magnetic resonance system according to claim 1, wherein, between the flanging (112) on the base (110) of described support (10) feed screw nut (130) is set, screw mandrel (120) passes described feed screw nut (130) and forms transmission with it and cooperates.
3. the sick bed driving device of magnetic resonance system according to claim 2, wherein, sprocket wheel (142,143) is set respectively on first motor (141) of described driving arm (10) and the described screw mandrel (120), links to each other by driving-belt (144) between the described sprocket wheel (142,143).
4. the sick bed driving device of magnetic resonance system according to claim 2, wherein, on the rear surface of the column part (510) of described magnet (50) installing plate (150) is set, first motor (141) and the described screw mandrel (120) of described driving arm (10) are installed on the described installing plate (150).
5. the sick bed driving device of magnetic resonance system according to claim 4, wherein, described installing plate (150) is separately positioned on the both sides of described flanging (112), first motor (141) of described driving arm (10) and an end of described screw mandrel (120) are installed on the described installing plate (150) of a side wherein, on the installing plate (150) of opposite side axle sleeve (180) is set, the other end of described screw mandrel (120) is arranged in the described axle sleeve (180).
6. the sick bed driving device of magnetic resonance system according to claim 4, wherein, pilot sleeve (170) also is set between the described flanging (112), the axis of guide (160) passes described pilot sleeve (170), and the two ends of the described axis of guide (160) are separately positioned on the installing plate (150) of described flanging (112) both sides.
7. the sick bed driving device of magnetic resonance system according to claim 6 wherein, is provided with axle sleeve (180) on the described installing plate (150), and the two ends of the described axis of guide (160) are arranged in the described axle sleeve (180).
8. the sick bed driving device of magnetic resonance system according to claim 1 wherein, is provided with feed screw nut (230) in the described side arm (20), and screw mandrel (220) passes described feed screw nut (230) and forms transmission with it and cooperates.
9. the sick bed driving device of magnetic resonance system according to claim 8, wherein, sprocket wheel (242,243) is set respectively on second motor (241) of described driving side arm (20) and the described screw mandrel (220), links to each other by driving-belt (244) between the described sprocket wheel (242,243).
10. the sick bed driving device of magnetic resonance system according to claim 9, wherein, second motor (241) of described driving side arm (20) is arranged on the rear surface of column part (510) of described magnet (50).
11. the sick bed driving device of magnetic resonance system according to claim 10, wherein, second motor (241) of described driving side arm (20) is arranged between two flangings (112) on base (110) of described support (10).
12. the sick bed driving device of magnetic resonance system according to claim 8, wherein, the rear and front end of the side (110) of described support (10) is provided with installing plate (250) respectively, and described screw mandrel (220) is installed on the described installing plate (250).
13. the sick bed driving device of magnetic resonance system according to claim 12 wherein, is provided with axle sleeve (280) on the described installing plate (250), the two ends of described screw mandrel (220) are separately positioned in the described axle sleeve (280).
14. the sick bed driving device of magnetic resonance system according to claim 12 wherein, is provided with pilot sleeve (270) in the described side arm (20), the axis of guide (260) passes described pilot sleeve (270), and two ends are separately positioned on the described installing plate (250).
15. the sick bed driving device of magnetic resonance system according to claim 14 wherein, is provided with axle sleeve (280) on the described installing plate (250), the two ends of the described axis of guide (260) are arranged in the described axle sleeve (280).
16. the sick bed driving device of magnetic resonance system according to claim 1, wherein, the bottom surface of described sick bed (30) is provided with tooth bar (310).
17. the sick bed driving device of magnetic resonance system according to claim 16, wherein, the rear and front end of the flanging (112) of the side (111) of described support (10) is provided with axle sleeve (350) respectively, and rotating shaft (320) is arranged between the described axle sleeve (350).
18. the sick bed driving device of magnetic resonance system according to claim 17 wherein, is provided with gear (330) in the described rotating shaft (320), described gear (330) is meshed with the tooth bar (310) of described sick bed (30).
19. the sick bed driving device of magnetic resonance system according to claim 18, wherein, the 3rd motor (341) of described driving sick bed (30) is arranged on the rear surface of column part (510) of described magnet (50).
20. the sick bed driving device of magnetic resonance system according to claim 19, wherein, sprocket wheel (342,343) is set respectively in described the 3rd motor (341) and the described rotating shaft (320), links to each other by driving-belt (344) between the described sprocket wheel (342,343).
21. the sick bed driving device of magnetic resonance system according to claim 18 wherein, is provided with key (321) in the described rotating shaft (320), described gear (330) is set in the described rotating shaft (330) movably by described key (321).
22. the sick bed driving device of magnetic resonance system according to claim 21, wherein, described side arm (20) extends a pair of group of plate (290) towards the direction of described rotating shaft (320), and described group of plate (290) with the sandwich of described gear (330) therebetween.
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| CN2008100052015A CN101496722B (en) | 2008-01-29 | 2008-01-29 | Sick bed driving device of magnetic resonance system |
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| CN2008100052015A CN101496722B (en) | 2008-01-29 | 2008-01-29 | Sick bed driving device of magnetic resonance system |
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| CN101496722A CN101496722A (en) | 2009-08-05 |
| CN101496722B true CN101496722B (en) | 2011-02-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103815967B (en) * | 2012-11-19 | 2016-08-03 | 上海联影医疗科技有限公司 | A kind of without electric driver and sick bed vertical lifting mechanism |
| CN103837847B (en) * | 2012-11-27 | 2017-08-22 | 上海联影医疗科技有限公司 | Multisection type radio frequency cylinder |
| CN103054583B (en) * | 2012-12-28 | 2015-03-11 | 飞利浦(中国)投资有限公司 | Patient bed control device and method for reducing noises of images of magnetic resonance imaging (MRI) system |
| CN108324279A (en) * | 2018-04-09 | 2018-07-27 | 周永红 | A kind of semi open model MRI system |
| CN108742569B (en) * | 2018-06-15 | 2020-12-04 | 浙江海狮医疗技术集团股份有限公司 | Blood pressure measuring device |
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| CN1972629A (en) * | 2001-06-28 | 2007-05-30 | 株式会社日立医药 | Nuclear magnetic resonance diagnosing device and diagnosing system |
| CN1977766A (en) * | 2005-11-30 | 2007-06-13 | 西门子（中国）有限公司 | Large view imaging apparatus for magnetic resonance imaging system |
| CN101010035A (en) * | 2004-09-01 | 2007-08-01 | 西门子公司 | Medical image producing device, in particular, magnetic resonance system, or therapy |
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| US5014292A (en) * | 1990-01-29 | 1991-05-07 | Siczek Bernard W | Tiltable x-ray table integrated with carriage for x-ray source and receptor |
| CN1972629A (en) * | 2001-06-28 | 2007-05-30 | 株式会社日立医药 | Nuclear magnetic resonance diagnosing device and diagnosing system |
| CN101010035A (en) * | 2004-09-01 | 2007-08-01 | 西门子公司 | Medical image producing device, in particular, magnetic resonance system, or therapy |
| CN1977766A (en) * | 2005-11-30 | 2007-06-13 | 西门子（中国）有限公司 | Large view imaging apparatus for magnetic resonance imaging system |
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Effective date of registration: 20210114 Address after: Room 516, 5th floor, 38 Yinglun Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai 200031 Patentee after: SIEMENS HEALTINEERS Ltd. Address before: 100102 No. 7 South Central Road, Chaoyang District, Beijing, China Patentee before: Siemens (China) Co.,Ltd. |