CN208301659U - Magnetic resonance imaging equipment and patient bed for it - Google Patents

Abstract

The utility model provides a kind of magnetic resonance imaging equipment and the patient bed for it, which includes support base, the support bridge being arranged in above support base, the movable support bracket and driving assembly being arranged in above support bridge.Movable support bracket includes the first fixed device and the second fixed device.Driving assembly includes any one in preceding driving assembly and rear driving assembly or the preceding driving assembly and rear driving assembly, and rear driving assembly is for connecting the first fixed device, for driving movable support bracket from the rear end of patient bed.Preceding driving assembly is for connecting the second fixed device, for the front-end driven movable support bracket from patient bed.

Description

Magnetic resonance imaging equipment and patient bed for it

Technical field

The utility model relates to medical field more particularly to a kind of magnetic resonance imaging equipment and for the patient of the equipment Bed.

Background technique

In such as ray or magnetic resonance medical scanning field, patient bed is for carrying patient, and this patient bed one As have moveable bed board, by drive the bed board relative to below support device move forward or back, can be correspondingly Patient is sent to predeterminated position or is left from the predeterminated position, the predeterminated position can be such as CT medical scanning apparatus or In the scanning chamber of person's magnetic resonance medical scanning systems.

In magnetic resonance medical scanning systems, for driving there are two types of the modes of mobile bed board disengaging scanning chamber, one is It is driven in the rear end of magnet, another kind is driven at patient bed end.Currently, both driving methods are incompatible, therefore for not With the magnetic resonance imaging equipment of model, a kind of driving method is only configured, and another driving method can not be compatible with, it is not easy to be met The particular demands of user.Also, for manufacturer, different driving devices is produced respectively for the product of different model, is needed Want higher production cost.

Accordingly, it is desirable to provide a kind of patient bed of hardware and software platform, different bed board driving methods can be compatible with, so that user It can be selected according to actual needs, and reduce production cost.

Utility model content

One of the utility model is designed to provide a kind of new patient bed for magnetic resonance imaging equipment, Neng Goushi Existing hardware and software platform design, makes it easy to compatible front-end driven mode and rear end driving method, reduces research and development and production cost.

The exemplary embodiment of the utility model provides a kind of patient bed for magnetic resonance imaging equipment, including support Pedestal, the support bridge being arranged in above support base, the movable support bracket and driving assembly being arranged in above support bridge.Mobile support Frame includes the first fixed device and the second fixed device.Before driving assembly includes preceding driving assembly and rear driving assembly or is described Any one in driving assembly and rear driving assembly, rear driving assembly is for connecting the first fixed device, for from patient The rear end of bed drives movable support bracket.Preceding driving assembly is for connecting the second fixed device, for the front-end driven from patient bed Movable support bracket.

The exemplary embodiment of the utility model additionally provides a kind of magnetic resonance imaging equipment, including above-mentioned patient bed.

By the following detailed description, attached drawing and claim, other features and aspect can become apparent.

Detailed description of the invention

The exemplary embodiment of the utility model is described in conjunction with the accompanying drawings, may be better understood practical It is novel, in the accompanying drawings:

Fig. 1 is the structural representation for the patient bed for magnetic resonance imaging equipment that a kind of embodiment of the utility model provides Figure；

Fig. 2 is the structural representation for the patient bed for magnetic resonance imaging equipment that the utility model another kind embodiment provides Figure；

Fig. 3, Fig. 4 show a kind of structural schematic diagram of embodiment of the rear driving assembly in Fig. 1, and wherein Fig. 3 is shown Driving motor and synchrome conveying belt in driving assembly afterwards, Fig. 4 show the driving vehicle in rear driving assembly；

Fig. 5 shows a kind of structural representation of embodiment of the first fixed device on the movable support bracket being arranged in Fig. 1 Figure；

Fig. 6 shows the sectional view of the patient bed of another embodiment of the utility model, wherein also showing the drive in Fig. 4 The structural schematic diagram for the first fixed device that motor-car is locked in Fig. 5；

Fig. 7 is the structural schematic diagram of the patient bed in another embodiment of the utility model；

Fig. 8 is a kind of structural schematic diagram of embodiment of the solution lock handle in Fig. 7；

Fig. 9 is a kind of structural schematic diagram of embodiment of the support bridge in Fig. 1

Figure 10 is the structural schematic diagram of the preceding driving assembly in Fig. 2；

The structure that Figure 11 shows the second fixed device for locking the movable support bracket in Fig. 1 with preceding driving assembly is shown It is intended to, further it is shown that the structural schematic diagram of the second support bridge locking piece；

Figure 12 shows the second fixed device in Figure 11 and solves the mounting structure of lock handle, the second support bridge locking piece Decomposition diagram.

Specific embodiment

Specific embodiment of the present utility model explained below, it should be pointed out that in the specific of these embodiments During description, in order to carry out brief and concise description, this specification can not all features to actual embodiment it is equal Make description in detail.It is to be understood that during the actual implementation of any one embodiment, as any one During a engineering project or design object, in order to realize the objectives of developer, in order to meet system it is relevant or The relevant limitation of person's business, can usually make various specific decisions, and this also can be from a kind of embodiment to another kind It changes between embodiment.Moreover, it is to be understood that although effort made in this development process may be It is complicated and interminable, however for those skilled in the art relevant to content disclosed by the utility model, The some designs carried out on the basis of the technology contents that the disclosure discloses, the changes such as manufacture or production are conventional technique It is insufficient to be not construed as content of this disclosure for means.

Unless otherwise defined, technical term or scientific term used in claims and specification should be this reality The ordinary meaning understood with the personage in novel technical field with general technical ability.The utility model patent application explanation " first ", " second " used in book and claims and similar word be not offered as any sequence, quantity or Importance, and be used only to distinguish different component parts.The similar word such as "one" or " one " is not offered as quantity limitation, But indicate that there are at least one.The similar word such as " comprising " or "comprising" means before appearing in " comprising " or "comprising" The element or object in face cover the element for appearing in " comprising " or "comprising" presented hereinafter or object and its equivalent element, Other elements or object is not precluded." connection " either the similar word such as " connected " be not limited to it is physics or mechanical Connection, be also not necessarily limited to direct or indirect connection.

Fig. 1 is the structural representation for the patient bed for magnetic resonance imaging equipment that a kind of embodiment of the utility model provides Figure；Fig. 2 is the structural schematic diagram for the patient bed for magnetic resonance imaging equipment that the utility model another kind embodiment provides；Its In, Fig. 1 shows a kind of example of the rear driving method of patient bed, and Fig. 2 shows a kind of showing for the preceding driving method of patient bed Example.It will be appreciated by those skilled in the art that above-mentioned magnetic resonance imaging equipment packet can include magnet 900 and be arranged in magnet center The cylindric scanning chamber 910 at place.As shown in Figure 1 and Figure 2, which includes support base 100, support bridge 200, mobile support Frame 300 and driving assembly.The support base 100 may be provided at the patient bed on level ground to support the present embodiment, the branch Support group seat 100 can not also support on the ground, but the support construction being fixed in magnetic resonance imaging equipment.When work, the trouble Person's bed can be moved into be aligned with the entrance of the scanning chamber of magnetic resonance imaging equipment, and movable support bracket 300 can be driven by driving assembly It moves to carry out straight line back and forth movement, and then passes in and out scanning chamber.The support bridge 200 is used to support movable support bracket 300, holds in the palm mobile Frame 300 carries out when straight line back and forth movement being stationary state.

As shown in Figure 1, in one embodiment, above-mentioned support base 100 may include front end pedestal 110 and rear end pedestal 120, the front end pedestal 110 and rear end pedestal 120 are separately positioned on the two sides of the scanning chamber 910 of magnetic resonance imaging equipment.The branch Supportting bridge 200 may include the front support bridge 240, midfoot support bridge 250 and rear end support bridge 260 successively docked, above-mentioned " right Connect " it can be understood as being aligned, it is not limited to that there is mechanical connection.The front support bridge 240 and rear end support bridge are respectively set The scanning chamber of magnetic resonance imaging equipment is arranged in the top of pedestal 110 and rear end pedestal 120 in front end, the midfoot support bridge 250 In 910.Movable support bracket 300, which can move to, is only located at front support bridge 240, midfoot support bridge 250 or rear end support bridge 260 Top can also be moved to across two adjacent support bridges.

In another embodiment, also have support patient weight's if movable support bracket 300 is when its front end is suspended Ability can also be not provided with corresponding front end pedestal 110 or front support bridge 240.Correspondingly, if movable support bracket 300 is at it Also there is the ability of support patient weight when rear end is suspended, corresponding rear end pedestal 120 or rear end support can also be not provided with Bridge 260.

The first fixed device and the second fixed device can be equipped on above-mentioned movable support bracket 300.Above-mentioned driving assembly can be with Include simultaneously preceding driving assembly 700 and rear driving assembly 400, can also only include preceding driving assembly 700 and rear driving assembly 400 In any one.Wherein, rear driving assembly 400 is for connecting the first fixed device, for driving from the rear end of patient bed Movable support bracket 300.Preceding driving assembly 700 is for connecting the second fixed device, for mobile from the front-end driven of patient bed Bracket 300.

In the present embodiment, patient bed is placed in magnetic resonance imaging equipment and carried on the back with equipment by the rear end of patient bed When the scanning chamber entrance alignment in face, one end far from scanning chamber, namely one end far from operator；The front end of patient bed will suffer from When person's bed is placed in front of magnetic resonance imaging equipment and is aligned with the scanning chamber entrance before equipment, one end far from scanning chamber, Namely by one end of proximal operator.

In the present embodiment, first fixed device of the setting simultaneously for driving assembly 400 after connecting on movable support bracket 300 With the second fixed device for driving assembly 700 before connecting therefore wherein one can be selected according to the particular demands of user Kind driving method, or the preceding driving assembly 700 of installation and rear driving assembly 400, user can select to open when in use simultaneously One of driving method is driven.

The rear driving method of the patient bed to the utility model embodiment is described in detail below.

Fig. 3, Fig. 4 show a kind of structural schematic diagram of embodiment of the rear driving assembly in Fig. 1, and wherein Fig. 3 is shown Driving motor and synchrome conveying belt in driving assembly afterwards；Fig. 4 shows the driving vehicle in rear driving assembly；Fig. 5, which is shown, to be set Set a kind of structural schematic diagram of embodiment of the first fixed device on the movable support bracket in Fig. 1；It is practical new that Fig. 6 shows this The sectional view of the patient bed of another embodiment of type is fixed wherein also showing first that the driving vehicle in Fig. 4 is locked in Fig. 5 The structural schematic diagram of device.

In conjunction with shown in Fig. 3-Fig. 6, which includes driving vehicle 410, synchrome conveying belt 420 and driving electricity Machine 430.Driving motor 430 can be located at the lower section of driving vehicle 410.Driving vehicle 410 is locked in movement by the first fixed device The rear end of bracket 300, in the present embodiment, the rear end of movable support bracket 300 is one end far from scanning chamber.Synchrome conveying belt 420 One end connection driving vehicle 410, the other end connect support bridge 200.Driving motor 430 passes through the connection driving vehicle of synchrome conveying belt 420 410, and for driving the driving vehicle 410 and the movable support bracket 300 locked together with the driving vehicle 410 relative to support bridge 200 move in a straight line.

In conjunction with shown in Fig. 4, Fig. 6, driving vehicle 410 is equipped with the first driving locking piece 411, the first driving locking piece 411 It is equipped with lock hook 415 with external end 413 and the end 413 is extended to, which includes being arranged in movement Hook rack 315 on bracket 300, the hook rack 315 for cooperating lock hook 415, for example, the lock hook 415 be used for the hook rack 315 it is sealed with The driving vehicle 410 is locked on movable support bracket 300.

In a specific embodiment, one end of the first driving locking piece 411 can be articulated in driving vehicle 410, separately One end extends to the external of driving vehicle 410 and forms the end 413.

It further, should as shown in figure 4, the end 413 of the first driving locking piece 411 has oriented end face 417 First driving locking piece 411 also has another plane for connecting the oriented end face 417, opens up groove along another plane Form the lock hook 415.417 one side of oriented end face can cooperate the hook rack 315, for example, when movable support bracket 300 is opposite When vehicle 410 being driven to move, the oriented end face 417 can guide the hook rack 315 and 415 phase card of lock hook and.

Further, one end opposite with driving vehicle 410 of the movable support bracket 300 is equipped with groove 320, which can With the end 413 for accommodating the first driving locking piece 411, which is specifically as follows across the two of the groove 320 Fixed link in a opposing sidewalls.

Fig. 7 be another embodiment of the utility model in patient bed structural schematic diagram, in addition, Fig. 6 also show with The first push rod that solution lock handle in Fig. 7 is connected.In conjunction with shown in Fig. 6, Fig. 7, the patient bed of the present embodiment is still further comprised Solve lock handle 500, the movable support bracket 300 that operator can lock by operating solution lock handle release with driving vehicle 410, with energy Enough that movable support bracket 300 is manually pulled under special case, for ease of operation, which is arranged in movable support bracket Front end.

Specifically, which is connected with the first push rod 510, and solution lock handle is acquiescently in initial position, works as solution When lock handle 500 moves to unlocked position from initial position, drive first push rod 510 to the end of the first driving locking piece 411 Portion 413 applies thrust to drive the lock hook 415 of the end 413 to be detached from the hook rack 315 of movable support bracket 300.

At this point, the oriented end face 417 of the end 413 can be used for guiding first push rod relative to the end 413 Movement, and the end 413 is pushed to move to the direction of the extending direction perpendicular to the first push rod 510 simultaneously, so that on end 413 Lock hook 415 can be detached from the hook rack 315 of movable support bracket 300.For example, being hooked as a kind of emergency measure when the lock hook 415 is detached from When frame 315, operator can manually be drawn forward movable support bracket 300.

Further, in order to guarantee that reliability of structure, the patient bed of the present embodiment further include the first elastic component 330, First end connects the first push rod 510, and second end connects movable support bracket 300.

Fig. 8 is a kind of structural schematic diagram of embodiment of the solution lock handle in Fig. 7.As shown in figure 8, above-mentioned solution lock handle 500 include the shaft 501 being fixed on movable support bracket 300, which connects the shaft 501, which can From its initial position by rotation special angle to move to unlocked position.

Specifically, it can be oppositely disposed two brackets 503 on movable support bracket 300, and the both ends of the shaft 501 are divided It is not pivoted to two brackets 503, one end of first push rod 510 can extend perpendicularly out interconnecting piece 511, the interconnecting piece 511 are fixedly attached to shaft 501 to be able to drive the first push rod 510 and interlock with shaft.

As shown in fig. 6, the patient bed further comprises the locking of the first support bridge in another embodiment of the utility model Part 600, the first support bridge locking piece 600 can be by movable support brackets 300 when driving vehicle 410 not lock with movable support bracket 300 It is locked to support bridge 200, to avoid movable support bracket 300 arbitrarily slides and causes danger to patient.

The support bridge locking piece 600 includes that multiple interlocking levers connect the link mechanism 611 to be formed, one end of the link mechanism Equipped with the first lock tongue 613, the other end is connected with the second push rod 615, which extends movable support bracket 300 to form triggering End 617.

Fig. 9 is a kind of structural schematic diagram of embodiment of the support bridge 200 in Fig. 1, as shown in figure 9, the side of support bridge 200 Face is equipped with the first latch recess 210, and first latch recess 210 is for accommodating first lock tongue 613.

When movable support bracket 300 is locked to driving vehicle 410, driving vehicle 410 applies the second push rod 615 by triggering end 617 Add thrust, to drive the first lock tongue 613 to be detached from the first latch recess 210, so that driving vehicle 410 is able to drive movable support bracket 300 It moves along a straight line relative to support bridge 200.When movable support bracket 300 is detached from the driving vehicle 410, extremely by the release of triggering end 617 Initial position, enable to drive the first lock tongue 613 card and into the first latch recess 210, to limit movable support bracket 300 Movement.

As shown in fig. 6, the patient bed further includes the second elastic component 340 in order to guarantee reliability of structure, first end connects It is connected to the second push rod 615, second end connects movable support bracket 300.

The preceding driving method of the patient bed to the utility model embodiment is described in detail below.

Figure 10 is the structural schematic diagram of the preceding driving assembly in Fig. 2；Figure 11 show for by Fig. 2 movable support bracket with The structural schematic diagram of second fixed device of preceding driving assembly locking, further it is shown that the structural representation of the second support bridge locking piece Figure；Figure 12 shows the decomposition of the second fixed device and the mounting structure for solving lock handle, the second support bridge locking piece in Figure 11 Schematic diagram.In conjunction with shown in Figure 10-12, which includes traction device 710 and driving motor 720.Traction device 710 are locked on movable support bracket 300 by the above-mentioned second fixed device.Driving motor 720 connects the traction device 710, and For driving the 720 tethered sliding bracket 300 of traction device to move in a straight line relative to support bridge 200.

Specifically, it is fixed with fixed block 712 on the traction device 710, for example, the fixed block 712 can be fixed by screw In the end of the rigid leash 711 of traction device 710, fixed block 712 is located at the side of movable support bracket 300, is used to cooperate Second fixed device is to lock movable support bracket 300 and preceding 700 phase of driving assembly, and driving motor 720 is by driving the rigidity to lead Leader tape 711 does stretching motion to drive movable support bracket 300 to move.

As shown in figure 11, which optionally includes the second driving locking piece 360 and the fixed device of locking piece 370.Second driving locking piece 360 is mounted on the other side of movable support bracket 300 by locking piece fixation device 370, and with this 712 phase card of fixed block and, for example, in the present embodiment, the second driving locking piece 360 is connected to the opposite patient of movable support bracket 300 Side, and fixed block 712 is arranged in the side of the opposite support bridge 200 of movable support bracket 300, and the second driving locking piece 360 is worn Cross the movable support bracket 300 with 712 phase card of fixed block and.

Further combined with shown in Figure 12, which has fixing end 361, hub switch side 362 and card and end 363, the hub switch side 362 of the second driving locking piece 360 is pivoted to the fixed device 370 of locking piece, and the fixed device 370 of locking piece can be with It is fixed by screws on movable support bracket 300.

Specifically, the fixed device 370 of the locking piece includes two blocks 376 being oppositely arranged, between two blocks 376 Hub switch side 362 equipped with shaft 371, the second driving locking piece 360 is pivoted to the shaft 371.

The fixed block 712 is equipped with (not to be marked with the groove of 363 cooperation of the card of the second driving locking piece 360 and end in figure Show), in the present embodiment, card and 363 card of end and into the groove of fixed block 712, with further by the second driving locking piece 360 and The movable support bracket 300 being attached thereto is locked to fixed block 712, transport 710 tethered sliding bracket 300 of traction device It is dynamic.

Further, the patient bed of the utility model embodiment can also include third push rod 520, and one end can connect Above-mentioned solution lock handle 500, the other end connect the fixing end 361 of the second driving locking piece 360.When solution lock handle 500 is in just When beginning position, the card of the second driving locking piece 360 and end 363 are blocked and into the groove of fixed block 712.In one case, example Under case of emergency, when solution lock handle 500 moves to unlocked position from initial position, which drives second to drive Dynamic locking piece 360 turns to its card and end 363 is detached from the groove of fixed block 712, so that the second driving locking piece 360 is detached from and fixes Block 712, and then movable support bracket 300 is made to be detached from preceding driving assembly 700, at this point, operator can manually pull movable support bracket 300, the influence of the tractive force without being pulled device 710.

The specific structure of solution lock handle 500 is described in detail as shown in connection with fig. 8, repeats no more.The third push rod 520 connection type that the first push rod 510 with solution lock handle 500 can be similar to the connection type of solution lock handle 500, also not It repeats again.

In other embodiments, traction device 710 can also be fixedly locked to movable support bracket 300, is not provided with the two Between unlocking mechanism alternatively can be in the place setting Isolating Switch convenient for operation, the Isolating Switch is for controlling motor The opening and closing of clutch system between traction device, to control the start and stop of movable support bracket 300.The Isolating Switch can be Mechanical switch or electronic switch.

Further, in order to guarantee reliability of structure, the patient bed of the utility model embodiment further includes third elasticity Part 380, the fixing end 361 of first end connection the second driving locking piece 360, second end connect movable support bracket 300.

With further reference to Fig. 9, Figure 11, Figure 12, it is similar to the first support bridge locking piece 600, another implementation of the utility model The patient bed that example provides still further comprises the second support bridge locking piece 800 comprising the first interlocking lever 810, the second interlocking lever 820 and triggering pin 830.One end of first interlocking lever 810 is formed with the second lock tongue 840, and the side of support bridge 200 is formed There is the second latch recess 220, be used for card and second lock tongue 840, with the driving group before movable support bracket 300 is released into disengaging When part can with 200 phase card of support bridge and, to avoid doing unnecessary movement relative to support bridge 200.

Second interlocking lever 820 is pivoted to movable support bracket 300.One end of second interlocking lever 820 is another with the first interlocking lever 810 One end connection, and special angle is formed between the first interlocking lever 810 and the second interlocking lever 820.Second interlocking lever 820 it is another The extending direction to the first interlocking lever 810 is held to extend to form above-mentioned triggering pin 830.The triggering pin 830 protrudes into the fixed dress of locking piece Set 370 and opposite with the second driving locking piece 360.

When the card of the second driving locking piece 360 and 363 card of end and when into the groove of fixed block 712, triggering pin 830 by The pressure of second driving locking piece 360 is to move to unlocked position from initial position, to drive the second lock tongue 840 to be detached from the second lock Determine groove 220.When the second driving locking piece 360 is detached from fixed block 350 and will trigger the release of pin 830 to initial position, second The card of lock tongue 840 and to the second latch recess 220.For example, when rotation solution lock handle 500 so that the card of the second driving locking piece 360 After being detached from the groove of fixed block 712 with end 363, the second driving locking piece 360 no longer applies pressure, triggering pin to triggering pin 830 830 return back to initial position, the second lock tongue 840 are blocked and to the second latch recess 220, with can be by movable support bracket 300 are locked to support bridge 200.

As shown in Figure 11,12, which further includes the guiding dress being fixed on movable support bracket 300 850 are set, is used to guide the movement of first interlocking lever 810 to guide the second lock tongue 840 to pass in and out second latch recess 220, The guiding device 850 can be guide rail.

In order to guarantee reliability of structure, the embodiments of the present invention further include the 4th elastic component 390, and first end connects The first interlocking lever 810 is connect, second end connects movable support bracket 300.Also, above-mentioned the first elastic component, the second elastic component, third bullet Property part and the 4th elastic component can be for for providing the rubber ring of pulling force.It will be understood by those skilled in the art that these elastic components can To be connected directly between on movable support bracket 300, can also be coupled indirectly to move by the component being fixed on movable support bracket 300 Bracket 300, for example, the 4th elastic component 390 is to be connected to movable support bracket 300 by guiding device 850.

In the present embodiment, first latch recess, 210 He only can be set in the dangerous region that is easy to happen of support bridge 200 Second latch recess 220, for example, the first latch recess 210 and the second latch recess 220 can be set in rear end support bridge 260 The position by close end, to be effectively prevented from danger.

The embodiments of the present invention also provide a kind of magnetic resonance imaging equipment, including the patient in any of the above-described embodiment Bed.

As shown in Figure 1 and Figure 2, in order to which the demand of further satisfaction hardware and software platform only needs the scanning chamber 910 of different pore size The midfoot support bridge 250 of lesser cost configuration different-thickness is spent, the setting of midfoot support bridge 250 of the different-thickness is being swept After retouching in chamber 910, the movable support bracket 300 of same size can be cooperated, avoided incompatible caused by the possible difference as aperture The problem of.

In the embodiments of the present invention, by being both arranged on identical movable support bracket for driving assembly after connecting First fixed device, and the second fixed device for driving assembly before connecting is set, and correspondingly improves rear driving assembly With the structure of preceding driving assembly, it thus provides a kind of patient bed of hardware and software platform so that its compatible two kinds of driving method simultaneously, The different demands of client are readily satisfied, also, research and develop and produce specific patient bed relative to different driving mode is directed to respectively, Greatly reduce cost.

Some exemplary embodiments are described above, it should be understood, however, that various modifications may be made.Example Such as, if described technology is executed in different order and/or if in described system, framework, equipment or circuit Component is combined and/or substituted or supplemented by other component or its equivalent in different ways, then may be implemented suitably to tie Fruit.Correspondingly, other embodiments are also fallen into scope of protection of the claims.

Claims (19)

1. a kind of patient bed for magnetic resonance imaging equipment characterized by comprising

Support base；

Support bridge above support base is set；

Movable support bracket above support bridge is set, and the movable support bracket includes the first fixed device and the second fixed device；With And

Driving assembly comprising appointing in preceding driving assembly and rear driving assembly or the preceding driving assembly and rear driving assembly Meaning one, the rear driving assembly is for connecting the described first fixed device, for driving institute from the rear end of the patient bed State movable support bracket；The preceding driving assembly is for connecting the described second fixed device, for driving from the front end of the patient bed Move the movable support bracket.

2. patient bed according to claim 1, which is characterized in that driving assembly includes: after described

Vehicle is driven, is used to be locked in the rear end of the movable support bracket by the described first fixed device；

Synchrome conveying belt, one end connection driving vehicle, the other end connect support bridge；And

Driving motor drives vehicle by the synchronous driving band connection, and drives driving vehicle and movable support bracket relative to institute Support bridge is stated to move in a straight line.

3. patient bed according to claim 2, which is characterized in that the driving vehicle is equipped with the first driving locking piece, described First driving locking piece has the end for extending to outside and the end is equipped with lock hook, and the described first fixed device includes setting Set on movable support bracket for cooperating the hook rack of the lock hook, the lock hook is used for sealed with by the driving with the hook rack Lock is scheduled on movable support bracket.

4. patient bed according to claim 3, which is characterized in that further include solution lock handle, the solution lock handle setting exists The front end of the movable support bracket, the solution lock handle are connected with the first push rod, and the solution lock handle moves to solution from initial position When lock position, first push rod is driven to apply thrust to the end of the first driving locking piece to drive the lock of the end Hook the hook rack for being detached from the movable support bracket.

5. patient bed according to claim 4, which is characterized in that the solution lock handle includes being fixed on the movable support bracket On shaft, first push rod connects the shaft, the shaft can from its initial position by rotation special angle to transport It moves to unlocked position.

6. patient bed according to claim 4, which is characterized in that there is inclination to lead for the end of the first driving locking piece To end face, first push rod is used to be in contact with the oriented end face to push the end of the first driving locking piece It is moved to the direction of the extending direction perpendicular to first push rod, so that the lock hook is detached from the hook rack of the movable support bracket.

7. patient bed according to claim 4, which is characterized in that further include the first elastic component, first end connection first Push rod, second end connect movable support bracket.

8. patient bed according to claim 2, which is characterized in that further include the first support bridge locking piece comprising:

The link mechanism that multiple interlocking levers are in turn connected to form, one end of the link mechanism are equipped with the first lock tongue, and the other end connects It is connected to the second push rod, second push rod extends the movable support bracket and forms triggering end；The side of the support bridge is equipped with the One latch recess；When the driving vehicle is not locked to the movable support bracket, first lock tongue can block and to described first In latch recess；When the driving vehicle is locked to the movable support bracket, the driving vehicle applies thrust to second push rod, To drive first lock tongue to be detached from first latch recess.

9. patient bed according to claim 8, which is characterized in that further include the second elastic component, first end is connected to Two push rods, second end connect movable support bracket.

10. patient bed according to claim 1, which is characterized in that the preceding driving assembly includes:

Traction device is locked on the movable support bracket by the described second fixed device；And

Driving motor connects the traction device, and for driving the traction device to draw the movable support bracket relative to institute Support bridge is stated to move in a straight line.

11. patient bed according to claim 10, which is characterized in that

Fixed block is fixed on the traction device；

The second fixed device includes the second driving locking piece being mounted on movable support bracket, the second driving locking piece with The fixed block mutually block and.

12. patient bed according to claim 11, which is characterized in that the second fixed device further include be fixed on it is described The fixed device of locking piece on movable support bracket；The second driving locking piece has fixing end, hub switch side and card and an end, and described the The hub switch side of two driving locking pieces is pivoted to the fixed device of locking piece by shaft, and the fixed block is equipped with to be driven with described second The card of dynamic locking piece and the groove of end cooperation；The patient bed further include:

Lock handle is solved, the front end of the movable support bracket is arranged in the solution lock handle；

Third push rod, one end connect the solution lock handle, and the other end connects the fixing end of the second driving locking piece；

When the solution lock handle is in initial position, the card and end card of the second driving locking piece and the extremely fixed block In groove；When the solution lock handle moves to unlocked position from initial position, the third push rod drives second driving Locking piece turns to its card and end is detached from the groove of the fixed block.

13. patient bed according to claim 12, which is characterized in that the solution lock handle includes being fixed on the mobile support Shaft on frame, the third push rod connect the shaft, the shaft can from its initial position by rotation special angle with Move to unlocked position.

14. patient bed according to claim 12, which is characterized in that further include third elastic component, first end connects institute The fixing end of the second driving locking piece is stated, the second end of the third elastic component connects movable support bracket.

15. patient bed according to claim 12, which is characterized in that further include the second support bridge locking piece comprising:

First interlocking lever, one end are equipped with the second lock tongue；The side of the support bridge is equipped with for blocking and second lock tongue Second latch recess；

Second interlocking lever, one end are connect with the other end of first interlocking lever, first interlocking lever and the second interlocking lever Between form special angle, second interlocking lever is pivoted to the movable support bracket；And；

The triggering pin extended from the other end of second interlocking lever to the extending direction of first interlocking lever, the triggering Pin protrudes into the described second fixed device and drives locking piece opposite with described second；

When in the groove of the card of the second driving locking piece and end card and the extremely fixed block, the triggering pin is by described The pressure of second driving locking piece is to move to unlocked position from initial position, to drive second lock tongue to be detached from described second Latch recess；When the second driving locking piece is detached from the fixed block, the triggering pin is released into initial position, so that Second lock tongue can block and to second latch recess.

16. patient bed according to claim 15, which is characterized in that the second support bridge locking piece further includes being fixed on Guiding device on movable support bracket is used to guide the movement of first interlocking lever to guide described in the second lock tongue disengaging Second latch recess.

17. patient bed according to claim 15, which is characterized in that further include the 4th elastic component, first end connects institute The first interlocking lever is stated, second end connects the movable support bracket.

18. -17 described in any item patient beds according to claim 1, it is characterised in that:

The support base includes front end pedestal and rear end pedestal, and the front end pedestal and rear end pedestal are separately positioned on the magnetic The two sides of the scanning chamber of resonance scan equipment；

The support bridge includes the front support bridge, midfoot support bridge and rear end support bridge successively docked, the front support bridge The top of the front end pedestal and rear end pedestal is separately positioned on rear end support bridge, the midfoot support bridge setting is swept described It retouches in chamber.

19. a kind of magnetic resonance imaging equipment, which is characterized in that including the described in any item patient beds of claim 1-18.