JP4490558B2 - Car equipped with X-ray CT system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle equipped with an X-ray CT apparatus for performing an image diagnosis in a depopulated area such as a disaster-affected area or a mountainous area by using an X-ray CT apparatus mounted on a self-propelled vehicle. X that controls the operation of the X-ray CT apparatus or the traveling of the self-propelled vehicle equipped with the X-ray CT apparatus according to the operating state of the protective device that fixes the movable part or releases the fixed part. The present invention relates to a vehicle equipped with a line CT apparatus.
[0002]
[Prior art]
A tomogram of the subject by exposing the subject to X-rays, measuring the X-ray dose transmitted through the subject, and subjecting the obtained projection data to image reconstruction processing using a computer The X-ray CT apparatus that obtains the power is effective in the early detection of diseases and the determination of an appropriate treatment policy. In addition, a so-called X-ray CT device equipped vehicle with a self-propelled vehicle such as a bus is moved to a disaster-stricken area to perform diagnostic imaging such as the presence or absence of fractures and internal organ damage. It is also used for traveling diagnosis and mass screening in depopulated areas such as mountainous areas.
In particular, with the advent of helical scanning X-ray CT devices, the chest area can be imaged during a single breath. Realization of a vehicle equipped with an X-ray CT apparatus equipped with a scanning X-ray CT apparatus has been strongly desired.
[0003]
Incidentally, as a conventional vehicle equipped with an X-ray CT apparatus, one disclosed in Utility Model Registration No. 3027769 is known, and an outline thereof is shown in FIG. In other words, the gantry 2a and the couch 2b of the X-ray CT apparatus are mounted in the central portion in the longitudinal direction of the large bus type vehicle 1, and power is supplied to the space between the driver's seat 18 and the gantry 2a and the couch 2b at the front of the vehicle. The apparatus 3 and the high-pressure generator 4 are installed, and an X-ray monitor 5 and a console 6 are further provided behind the vehicle 1. And the entrance 12 and the lift device 15 of the subject who got on a stretcher or a wheelchair are provided on the rear wall surface of the vehicle 1, and the entrance 13 for the subject who can walk by himself is provided on the rear side wall surface of the vehicle 1. Is.
As other vehicles equipped with an X-ray CT apparatus, those disclosed in JP-A-6-154202, JP-A-8-127282, and the like are also known.
[0004]
[Problems to be solved by the invention]
However, in the utility model registration No. 3027769, the power supply device 3 is installed in the same room as the gantry 2a and the bed 2b of the X-ray CT apparatus. There was a problem of giving discomfort due to noise to the subject.
Moreover, since what was disclosed by Unexamined-Japanese-Patent No. 6-154202 performs X-ray CT imaging in the state where the subject was sitting on the chair, in X-ray CT imaging of a seriously injured subject It was unsuitable. Further, what is disclosed in Japanese Patent Application Laid-Open No. 8-127282 is an industrial X-ray CT apparatus mounted on a large trailer. It was unsuitable for use in medical examinations.
In these conventional X-ray CT apparatus-equipped vehicles, no particular consideration is given to the protection means for the movable parts of the mounted X-ray CT apparatus, and vibrations and shocks associated with traveling of the X-ray CT apparatus-equipped vehicle are not considered. As a result, the movable part of the X-ray CT apparatus may be damaged.
The present invention has been made to solve such conventional problems.
[0005]
[Means for Solving the Problems]
  In order to solve the above-mentioned problems, the present inventionTheTraveling carX on bothInstalled a line CT system frame and bedXIn a vehicle equipped with a line CT apparatus, a rotating part in which an X-ray tube and an X-ray detector provided on the frame of the X-ray CT apparatus are arranged to face each other and / or a tilt mechanism for tilting the frameSolidifyProtecting means for fixing or releasing the fixing, and this protecting meansEnables the self-propelled vehicle to travel and / or prevents the imaging operation by the X-ray CT apparatus when detecting that the rotating part and / or the tilt mechanism is fixed.And a control means.
  Accordingly, whether or not the self-propelled vehicle is allowed to travel and whether or not the imaging operation is performed by the X-ray CT apparatus is controlled in accordance with the operation of the protection unit, so that damage to the tilt mechanism and the rotating unit can be prevented.
[0006]
  In order to solve the above-mentioned problems,Another aspect of the present invention is an X-ray CT apparatus-equipped vehicle in which a stand and a bed for an X-ray CT apparatus are installed in a self-propelled vehicle, and an X-ray tube and an X-ray detector provided on the mount of the X-ray CT apparatus. Protecting means for fixing or releasing the fixing of the rotating part and / or the tilting mechanism for tilting the gantry, and detecting that the fixing of the rotating part and / or the tilting mechanism is released And a control means for enabling the imaging operation by the X-ray CT apparatus and / or preventing the self-propelled vehicle from traveling.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a vehicle equipped with an X-ray CT apparatus according to the present invention will be described in detail with reference to FIGS. In these drawings, the same portions are denoted by the same reference numerals.
FIG. 1 is a plan view showing an overall layout for explaining an embodiment of a vehicle equipped with an X-ray CT apparatus according to the present invention, and FIG. 2 is a side view of the same. In FIG. 1, the vehicle is shown excluding the ceiling.
Now, an X-ray CT apparatus-equipped vehicle 100 according to the present invention forms a CT chamber 120 at a substantially intermediate portion of a self-propelled vehicle having a driver's seat 110 at the front, such as a large bus, for example. A power supply chamber 130 having a two-layer structure is formed between the CT chamber 120 and a staff chamber 140 formed behind the CT chamber 120. Further, an entrance / exit 150 such as a subject is formed in the rear wall portion of the self-propelled vehicle so as to communicate with the staff room 140, and the staff room 140 also serves as a changing room for the subject.
The CT room 120 has the widest space in the self-propelled vehicle. The gantry 121 and the bed 122 of the X-ray CT apparatus are fixed to the floor, and the air conditioner 123 and the switchboard 124 are installed. . The X-ray CT apparatus is generally composed of a gantry 121, a bed 122, and a console 141. The console 141 is provided in the staff room 140 as described later.
[0009]
In FIG. 3, a part of the gantry 121 and the bed 122 provided in the CT chamber 120 is shown in an enlarged manner, but a through hole 121 a serving as an imaging port is formed at the center of the gantry 121. A subject placed on the top 122a of the bed 122 is sent to the photographing port 121a by sliding the top 122a. The sliding stroke of the top panel 122a toward the imaging port 121a depends on the space condition of the CT chamber 120, for example, the distance between the partition wall 120a partitioning the CT chamber 120 and the power supply chamber 130 and the gantry 121. It can be set as appropriate.
This is because the size of the gantry 121 or the like is expected to vary depending on the type of the self-propelled vehicle or the type of the X-ray CT apparatus installed in the CT room 120, and therefore slides when the CT room 120 is small. This is to prevent the top plate 122a from interfering with the partition wall 120a.
The bed 122 can be lowered to about 35 cm above the floor with the top plate 122a retracted in order to make it easy for the subject to get on and off, and the top plate 122a is not raised to a predetermined height. An interlock circuit is provided to prevent sliding.
[0010]
Although not shown in the gantry 121, a rotating unit to which an X-ray tube and an X-ray detector are attached is provided so as to face each other with the imaging port 121 a interposed therebetween, and a driving unit for driving the rotating unit, A tilt mechanism for tilting the gantry 121, a high voltage generator for generating a high voltage to be supplied to the X-ray tube, a signal amplifier for amplifying a signal detected by the X-ray detector, and the like are housed. The tilt angle of this tilt mechanism can also be set as appropriate according to the spatial conditions of the CT chamber 120. This is also to prevent interference with the ceiling of the CT chamber 120 and the partition wall 120a even if various types of mounts 121 of different types are installed in the CT chamber 120, like the top plate 122a of the bed 122.
The surface of the gantry 121 is covered with a cover, and this cover is divided into a front cover 121b, a side cover 121c, an upper cover 121d, a back cover 121e, etc. The general maintenance is shown in FIG. As shown, the front cover 121b is designed to be opened to the ceiling side of the self-propelled vehicle so that internal devices can be accessed from the front.
Further, a handle 121f as a protection device is provided so as to protrude from the side cover 121c of the gantry 121. This handle 121f is for fixing or releasing the tilt mechanism, and is fixed during traveling so that the tilt mechanism is not damaged by vibration during traveling of the vehicle 100 equipped with the X-ray CT apparatus. When the X-ray CT apparatus-equipped vehicle 100 is stopped at a predetermined position and the X-ray CT apparatus is operated, the fixation is released. Note that during the imaging operation by the X-ray CT apparatus, the gantry 121 may be tilted to a desired angle by a tilt mechanism as necessary. The gantry 121 at this time is fixed by the tilt by the handle 121f as the protective device. Needless to say, this is different from fixing the mechanism.
[0011]
Various controls associated with fixing or releasing the tilt mechanism as the protective device will be described with reference to the schematic circuit diagram shown in FIG.
A first micro switch SW1 that detects that the tilt mechanism is fixed by operating the handle 121f and a second micro switch SW2 that detects that the tilt mechanism is released are installed in the tilt mechanism section. Specifically, when the pedestal 121 is at a tilt angle of 0 degree (vertical state), the handle 121f is rotated so that the movable member (not shown) of the tilt mechanism is held by the fixed member, and this clamping is ensured. In this state, the first micro switch SW1 is turned on. On the other hand, when the handle 121f is rotated in the reverse direction, the holding of the movable member of the tilt mechanism portion by the fixed member starts to loosen, the first micro switch SW1 is turned off, and the second holding is performed in a state where the holding is securely released. The micro switch SW2 is turned on. The first micro switch SW1 and the second micro switch SW2 may be turned on / off according to the stroke of the handle 121f.
The operation state of the handle 121f, that is, the state where the protective tilt mechanism is fixed / released does not give misunderstanding to the operator or the like when the vehicle 100 equipped with the X-ray CT apparatus starts running or the X-ray CT apparatus starts operating. As described above, the image is displayed on the display 125 provided on the wall in the CT chamber 120. That is, when the first micro switch SW1 is turned on, the display 125 displays that the tilt mechanism is fixed, that is, the so-called protection device is operating. Further, when the second micro switch SW2 is turned on, the display 125 displays that the tilt mechanism is unlocked, that is, the so-called protection device is released. Further, when the tilt mechanism is being fixed or released, or is not fixed or released reliably, both the first and second micro switches SW1 and SW2 are in the OFF state. Then, a signal is supplied to the display device 125 via the NOR gate G1 to indicate that the protection device is abnormal.
[0012]
In addition, using the operation signals of the first and second micro switches SW1 and SW2, the operation of the X-ray CT apparatus, that is, the imaging operation can be performed, or the vehicle 100 equipped with the X-ray CT apparatus, that is, the self-propelled vehicle. Control that enables traveling is implemented.
Therefore, the signal from the first microswitch SW1 is supplied to the starter control circuit 111 of the self-propelled vehicle and the emergency stop circuit 141g of the control unit 141b of the X-ray CT apparatus. For example, the first microswitch SW1 If the on signal (H level) is output from the starter control circuit 111, the starter control circuit 111 is turned on to allow the self-propelled vehicle to travel, and at the same time, the emergency stop circuit 141g is turned on via the gate G2, and the X-ray The imaging operation of the CT apparatus is blocked. When the output of the first micro switch SW1 is an off signal (L level), the starter control circuit 111 is turned off by the action of the gate G3 so that the engine cannot be started, and an emergency stop is performed. The circuit 141g is not turned on.
A signal from the second micro switch SW2 is also supplied to the emergency stop circuit 141g of the control unit 141b of the X-ray CT apparatus and the starter control circuit 111 of the self-propelled vehicle. For example, the second micro switch SW2 If the ON signal (H level) is output from the X-ray CT, the emergency stop circuit 141g of the X-ray CT apparatus is turned off, so that the X-ray CT apparatus can be operated normally, and at the same time, the starter control circuit via the gate G3. 111 is turned off to prevent the engine of the self-propelled vehicle from starting. When the output of the second micro switch SW2 is an off signal (L level), the emergency stop circuit 141g is turned on by the action of the gate G2, so that the X-ray CT apparatus cannot be operated, and the starter control circuit 111 remains off and the self-propelled vehicle engine cannot be started.
Therefore, when both the first and second micro switches SW1 and SW2 are off, the X-ray CT apparatus cannot be operated and the self-propelled vehicle cannot be driven.
[0013]
In addition, the X-ray tube and the X-ray detector, which have already been described, are also fixed to the rotating part mounted so as to face each other with the imaging port 121a interposed therebetween, and the X-ray CT device is operated while the vehicle 100 with the X-ray CT device is mounted. Although not shown, a protection device for releasing the fixing can be provided in the gantry 121. This protective device may be a mechanical fixing means, similar to the one that protects the tilt mechanism. For example, the protective device may be a means such as an electromagnetic brake that activates the brake action when not energized and releases the brake action when energized. In this case, ON / OFF is performed by operating an operation switch provided on the front cover 121b or by a remote operation from the staff room 140. In addition, the rotation unit is fixed by the protection means such that the X-ray tube and the X-ray detector attached so as to face the rotation unit are perpendicular to the gantry 121, that is, substantially perpendicular to the floor surface of the self-propelled vehicle 100. It is desirable to perform at the position.
The output of the switch that detects that the rotating part is fixed or released is handled in parallel with the output of the first and second micro switches SW1 and SW2, and the starter control circuit 111 and the emergency stop circuit 141g can be controlled and displayed on the display 125.
[0014]
Next, the power supply chamber 130 will be described.
The power supply room 130 is located between the driver's seat 110 and the CT room 120, and a part thereof is formed in a two-layer structure. A power supply device 131 composed of a generator is installed in the lower layer part, and the power An air cooling facility 132 such as a fan for cooling the device 131 is installed. As described above, the power supply chamber 130 is formed in a two-layer structure, and the power supply device 131 that is a heavy object is disposed in the lower layer portion thereof in a direction orthogonal to the longitudinal direction of the self-propelled vehicle. Is improved. Further, since the power supply room 130 is an independent room, the subject in the CT room 120 is less likely to feel discomfort due to noise, and safety is improved.
Then, necessary power is supplied from the power supply chamber 130 to each component of the X-ray CT apparatus, but the space of the power supply chamber 130 is limited, and it is difficult to install the large power supply device 131. Therefore, sufficient power supply is not necessarily performed. Therefore, the vehicle 100 equipped with the X-ray CT apparatus of the present invention can adjust the load according to the capacity of the power supply device 131, and the means will be described later.
[0015]
Next, the staff room 140 formed behind the CT room 120 will be described.
The staff room 140 is a room mainly used by medical staff such as doctors and engineers for operating the X-ray CT apparatus and interpreting acquired CT images. The staff room 140 includes an X-ray CT apparatus console 141, a monitor 142 for displaying CT images, a computer-aided diagnosis system for lung cancer screening (lung cancer CAD) 143a, a communication system 143b, an analysis apparatus 143c, and the like. Various devices 143 are arranged along one side wall surface of the staff room 140, in other words, along one side surface of the self-propelled vehicle in the longitudinal direction.
FIG. 5 is an enlarged view of the console 141 portion installed in the staff room 140. The console 141 includes a table 141a, a control unit 141b placed under the table 141a, a keyboard 141c and a mouse 141d placed over the table 141a. Note that a monitor 142 and other devices 143 are also placed on the table 141a.
[0016]
Then, various setting operations of the X-ray CT apparatus, for example, setting of the tube voltage and tube current for setting the conditions of X-rays emitted from the X-ray tube in the gantry 121, and setting the imaging part to the imaging port 121a The setting of the slide stroke of the bed top plate 122a, the setting of the number of shots, and the like are performed by the medical staff inputting an instruction to the control unit 141b using the keyboard 141c and the mouse 141d. At this time, the control unit 141b determines whether or not the load is within the capacity range of the power supply device 131 based on the input tube voltage and tube current, and if it is determined that the load exceeds the power supply capacity, An X-ray exposure is suspended by issuing an alarm. Therefore, if the medical staff changes the setting and it is determined that the power supply capacity is within the range, X-rays are normally emitted and CT data is collected.
That is, as already described, the vehicle 100 equipped with the X-ray CT apparatus covers the power of the related equipment including the X-ray CT apparatus by the power supply 131 such as the generator, and the capacity is limited. There is. Therefore, if X-rays are irradiated under the maximum output condition of a normal X-ray CT apparatus, there is a possibility that an overload state may occur. If this state is repeated, the power supply device 131 may be damaged. Moreover, there is a possibility that the power supply is stopped and the operation of the computer becomes abnormal, or valuable image data collected is lost. Therefore, the power consumption including the related equipment is calculated from the required power based on the X-ray exposure conditions that require the most power, and it is determined whether or not the power supply device 131 is within the capacity range.
[0017]
By the way, the monitor 142 is fixed to the swinging portion 144 fixed so as to be rotatable in the horizontal direction on the table 141a so as to be integrated by two bands 144a and 144b. Therefore, the monitor 142 can freely change the direction of the table 141a together with the swinging portion 144 within a predetermined range in the horizontal direction. Therefore, the operability during use can be improved while protecting to withstand vibration during running.
In addition, a microphone 141e for communicating between the subject who is photographing in the CT room 120 and the medical staff on the staff room 140 side is fixed on the table 141a. When not in use, the mouse 141d is stored in a mouse pocket 141f fixed to the side surface of the monitor 142 as shown.
Further, FIG. 5 shows a state in which the keyboard 141c is fixed by a fixing band 144c interposed between the swinging portion 144 and the table 141a. This shows a situation when the X-ray CT apparatus-equipped vehicle 100 is traveling, and the fixed band 144c is removed when the X-ray CT apparatus is in operation. The fixed band 144c has a substantially V-shaped elasticity, and not only the keyboard 141c but also the monitor 142 is fixed together with the swinging portion 144 when the X-ray CT apparatus-equipped vehicle 100 is traveling. It can be protected to withstand vibrations of time.
[0018]
Conventionally, when the X-ray CT apparatus-equipped vehicle 100 is traveling, the keyboard 141c, mouse 141d, etc. are removed from the connectors and stored in a protective case or the like and reconnected when the X-ray CT apparatus is in operation. However, the fixing by the fixing band 144c and the storage in the mouse pocket 141f free this inconvenience and eliminate the need for a place to put a protective case, so that the space can be used effectively.
In addition to the monitor 142 and keyboard 141c shown in the figure, monitors for other devices 143 are similarly attached to the swinging portion placed on the table 141a, and the keyboard is also fixed by a fixing band. Although not shown in FIG.
Further, the bottom of the control unit 141b placed under the table 141a is fixed so as to be fitted to two guide plates 145 fixed to the floor of the staff room 140 through vibration-proof rubber. Although not shown, a roller is provided on the upper surface of the guide plate 145, and a base plate with a slope attached to the bottom of the control unit 141b is slid on the roller and moved in the direction of the arrow. These are fixed and fitted at predetermined positions. During maintenance or the like, if one side of the control unit 141b is lifted and pulled out to the left side (opposite the arrow) in FIG. 5, a caster is provided at the bottom of the control unit 141b, so that the table can be easily 141a can be moved to the left space.
Thus, since the guide plate 145 can fix the control unit 141b without protruding from the bottom of the control unit 141b, it can contribute to space saving in the staff room 140.
[0019]
Further, as shown in FIG. 1, a changing space 146 is formed on the side wall side opposite to the surface on which various devices 143 are arranged including the console 141 of the staff room 140. In addition, a movable shielding body such as a curtain 147 is provided so that the space 146 for changing clothes and the devices 143 arranged along the wall surface can be partitioned as necessary. In the space 146, a fixed chair 146a is installed.
In this way, the staff room 140 has the console 141, the monitor 142, and the various devices 143 arranged in a line along one side wall surface, and the medical staff looks at the screen of the monitor 142 and the various devices 143 toward the wall surface. Since the work can be performed, the space in the staff room 140 can be widely used. Therefore, the staff room 140 can also be used as the changing room 146 as necessary. At this time, since the changing room 146 and the monitor 142 and various devices 143 are blocked by the curtain 147, there is no possibility that the diagnostic image is seen by other subjects, and the privacy of the subject can be protected.
The entrance / exit 150 is formed in the rear wall portion of the self-propelled vehicle so as to communicate with the central portion of the staff room 140, and the entrance / exit 150 is provided with a step 151 that is accommodated in the vehicle body when not in use. .
[0020]
Next, a description will be given of pits as laying means such as cables and power supply cables for connecting the stand 121 and bed 122 of the X-ray CT apparatus and the console 141.
FIG. 6 is a layout view of the pits installed under the floor of the CT room 120 and the staff room 140, and the hatched part is the pit 160. The pit 160 passes from the power supply chamber 130 to the CT chamber 120 under the partition wall 120a, is formed along the partition wall 120a, is bent so as to pass under the mount 121, and the rear wheel position of the self-propelled vehicle is set. In order to avoid it, it goes straight along the bed 122 and further bends to reach the installation position of the switchboard 124. Further, it is formed so as to pass under the partition wall 120b between the CT room 120 and the staff room 140, bend, and reach the console 141 along the partition wall 120b on the staff room 140 side.
The pit 160 is divided into a signal cable and a power cable, and a signal cable for exchanging signals between the gantry 121, the bed 122, and the console 141 is housed on the signal cable side in the pit 160. ing. Also, the power cable from the power supply device 131 once enters the switchboard 124 through the power cable side in the pit 160, and again passes through the power cable side of the pit 160 from the switchboard 124 to the platform 121, the bed 122, the air conditioning equipment 123, the console 141, Power is supplied to various devices 143 and the like.
[0021]
In this way, a pit is installed under the floor of a self-propelled vehicle, a signal cable and a power cable are accommodated therein, and the devices constituting the X-ray CT apparatus are connected to each other. Therefore, workability, comfortability, operability, serviceability, etc. can be improved. Therefore, the wiring pit protrudes and is mounted on the floor or wall as in the conventional vehicle 1 equipped with an X-ray CT apparatus, so that the spatial spread is restricted and the work of the medical staff is hindered. The problem of restricting the installation of can be solved.
[0022]
【The invention's effect】
As described above in detail, according to the present invention, the state of fixing / releasing of the tilt mechanism by the protection means is detected, and the self-propelled vehicle can be driven when the tilt mechanism is securely fixed. Since the traveling is prevented when the fixing is released, it is possible to prevent the tilt mechanism from being damaged by vibrations and impacts associated with traveling of the self-propelled vehicle. On the other hand, if the tilt mechanism is fixedly released by the protection means, the X-ray CT apparatus can perform the imaging operation. If the locking mechanism is not released, the imaging operation is blocked. It is possible to prevent the tilt mechanism from being damaged due to forcing.
Similarly, the rotating part in which the X-ray tube and the X-ray detector are arranged to face each other is allowed to travel on the self-propelled vehicle when it is securely fixed by the protective means, and the fixation is released. If it is, the travel will be blocked, and if the fixing by the protective means is securely released, the imaging operation by the X-ray CT apparatus will be possible, and if the fixing is not released, the imaging operation will be blocked Thus, damage to the rotating part can be prevented.
[Brief description of the drawings]
FIG. 1 is a plan view showing an overall layout for explaining an embodiment of a vehicle equipped with an X-ray CT apparatus to which the present invention is applied.
FIG. 2 is a side view of the same.
FIG. 3 is an enlarged perspective view showing a part of a gantry and a bed provided in a CT chamber of a vehicle equipped with an X-ray CT apparatus.
FIG. 4 is a schematic circuit diagram shown for explaining an embodiment of the control means in the vehicle equipped with the X-ray CT apparatus.
FIG. 5 is an enlarged perspective view showing a console portion installed in a staff room of a vehicle equipped with an X-ray CT apparatus.
FIG. 6 is a layout view of pits installed under the floor of a vehicle equipped with an X-ray CT apparatus.
FIG. 7 is a plan view for explaining a conventional vehicle equipped with an X-ray CT apparatus.
[Explanation of symbols]
110 Car with X-ray CT system
110 Driver's seat
111 Starter control circuit
120 CT room
121 frame
122 sleeper
122a Top plate
125 display
130 Power supply room
131 Power supply
140 Staff room
141 console
141g Emergency stop circuit
142 Monitor
160 pits
SW1 First micro switch
SW2 Second micro switch

Claims (6)

In X-ray CT apparatus equipped vehicles were installed gantry and the bed of the X-ray CT apparatus in the own Hashishikisha both,
And protection means for releasing the fixed or solid boss tilt mechanism for tilting the rotating unit and / or the frame placed opposite the X-ray tube and X-ray detector which is provided to the frame of the X-ray CT apparatus,
When this protection means the rotating part and / or the tilt mechanism is detected that it is being fixed, the to allow the running of the self-propelled vehicle, and / or prevent the shooting operation by the X-ray CT apparatus A vehicle equipped with an X-ray CT apparatus. In X-ray CT apparatus equipped vehicles were installed gantry and the bed of the X-ray CT apparatus in the own Hashishikisha both,
And protection means for releasing the fixed or solid boss tilt mechanism for tilting the rotating unit and / or the frame placed opposite the X-ray tube and X-ray detector which is provided to the frame of the X-ray CT apparatus,
When this protective means is detecting that the fixing is released the rotating part and / or tilt mechanism, to enable the imaging operation by the X-ray CT apparatus, and / or running of the self-propelled vehicle A vehicle equipped with an X-ray CT apparatus. Wherein, said when the detected output from the protective means can not be obtained, according to claim 1 or claim, characterized in that together prevent the running of the imaging operation and / or the self-propelled vehicle according to the X-ray CT apparatus Item 3. A vehicle equipped with the X-ray CT apparatus according to Item 2 . The X-ray CT apparatus-equipped vehicle according to any one of claims 1 to 3 , further comprising display means for displaying an operating state of the protection means based on a detection output from the protection means. Means for preventing photographing operation by the X-ray CT apparatus by the control means, any one of claims 1 to 3, characterized in that for activating the emergency stop circuit of the X-ray CT apparatus A vehicle equipped with the X-ray CT apparatus described in 1. Means for preventing travel of the self-propelled vehicle by the control means, any one of claims 1 to 3, characterized in that for preventing the activation of the starter control circuit of the self-propelled vehicle Vehicle equipped with the X-ray CT apparatus described in the paragraph.

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