JPH09238937A - Fluoroscopic photographing table for infant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fluoroscopic photographing table for infants which allows physicians to easily approach both adults and infants. SOLUTION: A top board 22 for adults is mounted rotatably in the direction of the axis of the body of a subject and a top plate 31 for infants is arranged to be mounted almost at 90 deg. to the top board 22. In this mode, a physician can easily approach an infant laid on the top board 33 to accomplish the most appropriate diagnosing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pediatric X-ray fluoroscopic imaging table, and more particularly to a pediatric X-ray fluoroscopic imaging table that allows a doctor to approach an adult or pediatric subject to make a diagnosis. .

[0002]

2. Description of the Related Art In an X-ray fluoroscopic imaging apparatus, a top plate for placing a subject is generally arranged between an X-ray tube apparatus and an image intensifier (hereinafter referred to as II). The top plate is movable in various directions by the bed part.

When the doctor diagnoses the subject on the tabletop, it is preferable that the doctor make the diagnosis as close to the subject as possible.

Since the top plate is made for adults, the size of the top plate is 2 m or more in the body axis direction (the direction along the head and foot of the subject). And, it is large with a width of 60 cm or more.

[0005]

However, when the subject is a child (especially an infant), there is an inconvenience that it is difficult for a doctor to approach the subject because of the large top plate as described above.

As an example of a solution to this inconvenience, it is conceivable to replace the tabletop with a tabletop of a size suitable for the height of the subject. In this case, the user (hospital side, etc.) can see through the X-ray. Since the top plate, which is an important component of the imaging apparatus, is replaced, it is not preferable as a medical apparatus that requires complete safety in terms of the safety of the apparatus itself.

As another example of the solving means, as shown in FIG. 5, a means for attaching a small child's top plate 102 on a large adult's top plate 101 can be considered. In this case, even if the child can be placed on the top plate 102, the top plate 101 is large, and therefore the distance for the doctor to approach the subject is the same.

A multipurpose X-ray diagnostic apparatus in which a top plate rotatable along the body axis of a subject and a C arm are combined is described in Japanese Patent Application No. 7-281060 (the same applicant as the present application). There is.

Therefore, an object of the present invention is to allow an adult or a child to easily approach the doctor with X.
An object of the present invention is to provide a radiographic apparatus.

[0010]

In order to solve the above-mentioned problems, the invention according to claim 1 is the first for placing a subject.
A top plate rotating means for rotating the top plate around the body axis of the subject, and a second top plate capable of being taken substantially parallel and substantially perpendicular to the subject placement surface of the first top plate. It is characterized by having.

According to the first aspect of the present invention, the top plate rotating means rotates the first top plate about 90 ° around the body axis of the subject. The second top plate is attached to the surface of the first top plate at approximately 90 °, and as shown in FIG. 1, for example, the first top plate (top plate 22) is approximately 90 ° to the floor surface. When rotated, the small second couchtop (children's couchtop 31) becomes substantially parallel to the floor surface, and the doctor can easily approach the subject on the second couchtop.

The invention according to claim 2 is characterized in that the second top plate is detachably attached to the first top plate.

According to the second aspect of the present invention, since the second top plate can be attached to and detached from the first top plate, the child can be diagnosed in the child mode as shown in FIG. If removed, an adult can be diagnosed as an adult mode as shown in FIG.

Further, the invention according to claim 3 is characterized in that the second top plate is provided with an operation suppressing means for suppressing the operation of the subject to be placed.

According to the third aspect of the invention, as shown in FIG. 3, if a baby of several months after birth is placed in the motion restraining means (net 32), the motion of the baby is restrained, so that it is safe. X-rays can be emitted to the doctor for diagnosis.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to illustrated embodiments.

FIG. 1 is a perspective view of the X-ray fluoroscopic imaging apparatus of the present embodiment in a child mode (described next), and FIGS. 2A and 2B are main parts of the X-ray fluoroscopic imaging apparatus. It is a front view and a side view.

As shown in FIG. 1, the X-ray fluoroscopic apparatus is
A backside couch part 1, a C-arm part 11 driven by the couch part 1, and a large adult top plate 2 on which a subject is laid down.
2 and a small top plate 31 for children.

The bed portion 1 moves the C-arm portion 11 in parallel along the long manual direction d7 (the body axis direction of the subject) and along the left-right movement direction d3 (direction orthogonal to the body axis direction). It is configured to be able to perform parallel movement and parallel movement along the vertical movement direction d10 (direction orthogonal to the long manual direction d7 and the horizontal movement direction d3). Further, the bed unit 1 has the C-arm unit 11 as a first unit that passes through the isocenter.
There are slide rotation about the rotation axis (rotation along the direction d8) and rotation about a second rotation axis that passes through the isocenter and is orthogonal to the first rotation axis (rotation along the direction d6). Is configured to be able to. Further, the bed unit 1 is configured so that the top plate 22 and the C arm unit 11 can be raised and lowered at the same time.

At the upper and lower ends of the C-arm 11, an X-ray tube device 12 for irradiating the subject with X-rays and an I.V. for converting an X-ray image transmitted through the subject into an optical image. I. 13 is attached. I. I. A TV camera for capturing an optical image is attached to the TV camera 13. I. 1
3 is configured so that an X-ray image can be taken.

As shown in FIGS. 2 (A) and 2 (B), the top plate portion 21 has a top plate 22 with respect to a top plate holding frame 23 which is vertically supported with respect to a floor surface (not shown). Is a support rod 23
a. The support rod 23a is attached at a right angle to the top plate holding frame 23, and the arrow A
It can be rotated in any direction. That is, the top plate 22 is rotatable by 90 ° or more around the body axis of the subject. Then, inside the top plate holding frame 23, as shown in FIG. 2B, the belt 2 is attached to the output shaft of a motor 25 for driving the top plate.
A speed reducer 27 is connected via 6 and the speed reducer 27 is connected via a chain 28 to a pulley 29 fixed to the support rod 23 a.

With this configuration, the motor 2
The rotation of 5 is transmitted to the top plate 22, and the top plate 22 is rotationally driven in the arrow A direction by the action of the speed reducer 27.

The top plate 31 for children is shown in FIG.
As shown in (A) and (B), a mounting bracket 32 for mounting to the adult top plate 22, a child's top plate 33 fixed to the mounting bracket 32, and a net 3 for suppressing the movement of the child.
4 is provided.

The mounting brackets 32 are arranged on the right and left sides of the child's top plate 31, and four engaging portions 32b are formed at the upper and lower ends of the left and right vertical portions 32a to be engaged with the adult top plate 22. Has been done. Inside the four engaging portions 32b, sliding members 32c that slide on the oblique side surfaces of the top plate 22 are attached. Two support plates 3 are provided vertically on the lower end side of the mounting bracket 32.
2d and 32e are provided upright, and a slender top plate 33 for children is fixed on the support plates 32d and 32e. The top plate 3
A hole 33a for stabilizing the head of the child is formed on the left side of 3. Further, the top plate 3 is provided on the upper surface side of the top plate 33.
A net 34 whose left and right end portions are fixed is attached to the side surface in the longitudinal direction of 3.

The top plate portion 31 for a child thus constructed has the engagement portion 32b inserted along the side surface in the longitudinal direction of the adult top plate 22 and is tightened with the screw 32f. The top plate 33 can be fixed to the adult top plate 22. By this fixing, the top plate 33 for children is attached substantially vertically to the top plate 22 for adults.

Each motor is driven based on a control signal from a control device (not shown). An operation unit (not shown) is connected to the control device, and the control unit sends a control signal to each motor based on a signal from the operation unit.

Next, the operation of this embodiment will be described.

Child mode (see FIG. 1) The C-arm is supported vertically to the floor surface (not shown) by the driving operation of the bed portion 1 according to an instruction from an operation unit (not shown). Therefore, the X-ray tube device 12 of the X-ray device unit 11 and the I.D. I. 13 is supported perpendicularly to the floor surface.

When a predetermined input instruction is given to the operation unit in this state, the control device is switched to the child mode. When the mode is switched to the child mode, the control circuit sends a signal to each motor so that each part (the angle of the C arm part 11, the top plate 22
(The rotation angle of 1) is moved to a position for attaching the top plate portion 31 for children to the top plate 22 for adults. In the present embodiment, the motor 25 is driven to move the top plate 22 to the bed side 1.
It is rotated by 90 ° to maintain the state of FIG. As a result, the top plate 22 becomes substantially perpendicular to the floor surface.

Further, when the child mode is selected, the control device switches various internal parameters to those for the child mode. As this parameter, there is a parameter for determining the movable range of each part. By changing this parameter, the I.D. I. 13
Etc. can be prevented. Incidentally, in this embodiment, the C-arm portion 11 cannot rotate in the direction along the body axis. Subject (child) in the state shown in FIG.
Is placed inside the net 34 so that the child's free movement is suppressed and X-rays are irradiated only to the required portions.

In the state shown in FIG. 1, the top plate portion 31 for a child is connected to the X-ray tube device 12 and the I.D. I. It is located between 13 and X-ray fluoroscopy is possible, and the top plate for children 3
Since 3 is small, the doctor can easily get close to the pediatric subject, and the diagnosis can be made up close.

Further, by inputting a predetermined instruction from the operation section in the state shown in FIG. 1, the bed section 1 operates to cause the C-arm section 11 to rotate and slide, and to move vertically.
It is possible to perform a long manual operation, a left-right movement operation, a tilting operation, and a rotating operation of the child top plate 33. Thereby, X-ray fluoroscopic imaging can be performed from various angles desired by the doctor.

The invention of the present application is not limited to the above-described embodiment, but can be variously modified. For example,
The attachment angle between the adult top plate 22 and the child top plate 33 does not necessarily have to be 90 ° (vertical), and may be another angle at which the adult top plate 22 does not interfere with a doctor's diagnosis. .

Adult mode (see FIG. 4) In this case, from the state shown in FIG.
Remove and perform the operation.

As shown in FIG. 4, the adult top plate 22 is parallel to the floor surface according to an instruction from the operation section, and
X-ray tube device 12 and I.D. I. It is maintained between 13 and.

In this state, by inputting a predetermined instruction from the operation section, the bed section 1 operates to rotate the C-arm section 11, the slide rotation operation, the vertical movement operation, the long manual operation, the left-right movement operation, The tilting operation and the rotating operation of the adult top plate 22 can be performed. Thereby, X-ray fluoroscopic imaging can be performed from various angles desired by the doctor.

[0037]

As described in detail above, according to the present invention,
When diagnosing a child, the patient lying on the top can be easily approached, and the second top is detachably attached to the first top, so if the second top is removed, As shown in FIG. 4, since it can be used in a general adult mode and the motion of the child lying on the second top can be suppressed by the motion suppressing means, the child can be safely irradiated with X-rays. .

[Brief description of drawings]

FIG. 1 is a perspective view of a child-compatible X-ray fluoroscopic imaging table according to an embodiment of the present invention when used in a child mode.

2A and 2B are views showing a main part of the same X-ray fluoroscopic imaging table for children, where FIG. 2A is a front view of the main part and FIG. 2B is a side view of the main part.

3A and 3B are views showing a top plate for a child applied to the X-ray fluoroscopic imaging stand for the same child, in which FIG. 3A is a perspective view and FIG. 3B is a sectional view.

FIG. 4 is a perspective view when the X-ray fluoroscopic imaging table for children is used in an adult mode.

FIG. 5 is a perspective view of a top plate showing an example of child countermeasures in a conventional X-ray fluoroscopic imaging table for children.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bed part 11 C arm 12 X-ray tube device 13 Image intensifier 21 Top plate part for adults 22 Top plate for adults 23 Top plate holding frame 23a Support rod 31 Top plate part for children 32 Mounting bracket 33 For children Top plate 34 net

Claims (3)

[Claims] 1. A top plate rotating means for rotating a first top plate for mounting a subject on a body axis of the subject, and a subject mounting surface of the first top plate. An X-ray fluoroscopic table for children, which is provided with a second top plate that can be taken substantially parallel and substantially vertically. 2. The child-friendly X according to claim 1, wherein the second top plate is detachably attached to the first top plate.
Fluoroscopic imaging stand. 3. The pediatric X-ray fluoroscopic imaging according to claim 1 or 2, wherein the second top plate is provided with a motion restraining means for restraining a motion of a mounted subject. Stand.