JP3763265B2 - X-ray fluoroscope table top - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a top plate of an X-ray fluoroscopic table on which a subject is placed, and more particularly to a top plate for an X-ray fluoroscopic table having a metal frame around the top plate.
[0002]
[Prior art]
The X-ray fluoroscopy table is equipped with a top plate on which the subject is placed. A remote-controlled fluoroscopic imaging device, a proximity-controlled fluoroscopic imaging device, a circulatory X-ray diagnostic system, an IVR / digital TV system, and an X-ray imaging It is used in various diagnostic fields such as systems, X-ray tomography apparatuses, and urological X-ray apparatuses.
The remote-operated fluoroscopic imaging table is widely used as an overtube type, has a large space above the couch (bed), allows easy observation of the subject, and makes it easy to change the position of the subject. In the operation of the apparatus, the diagnostic efficiency is good because it is not necessary to pay much attention to the interference between the subject and the X-ray tube. In addition, the mechanism is designed to easily hold the heavy spot photographing device on the back of the top board, and does not give the subject a feeling of pressure. Therefore, while focusing on the upper gastrointestinal tract mainly focusing on gastric X-ray examination, it is used for various diagnostic purposes such as enema (large intestine), urinary system, chest endoscopy and nervous system. It is used as a multipurpose photography stand.
[0003]
FIG. 2 is a perspective view of an overtube type X-ray fluoroscopic table. The subject is placed on a platform 18 set at the lower part of the top plate 11 and the grip bars 17 set at both ends of the top plate 11 are gripped. Then, the subject is irradiated with X-rays from the X-ray tube 13, the X-ray transmission image is detected by the image receiving unit 14 (spot imaging device, imaging system), and an X-ray image is obtained as an imaging film or storage device. And display it on the monitor.
In the upper gastrointestinal tract examination mainly consisting of gastric X-ray examination, the subject is allowed to drink a contrast medium, and the operator operates the compression cylinder while looking at the X-ray transmission image on the monitor, and on the base 16 The fluoroscopic imaging table is rotated up and down by the drive unit 15, the top plate 11 is moved up and down, left and right, and the subject's region of interest is operated to be in the center of the monitor to perform spot imaging.
In the enema (large intestine), urinary system, chest endoscopy and examination of the nervous system, the fluoroscopic table is placed in a horizontal position, and under fluoroscopy, injection of contrast medium or endoscopy Examination is performed by using a diagnostic or ultrasonic diagnostic apparatus.
[0004]
FIG. 3 shows a cross-sectional structure of a conventional top plate for a fluoroscopic imaging table. The top plate 11 is composed of a plate 11a on which a subject is placed (the surface is a carbon plate 2a, the inside is a resin foam 1a), a metal frame 11b made of aluminum or the like on both sides thereof, and a set screw 11c for fixing both of them. . The plate 11a is made of wood (plywood or the like), or a resin foam 1a inside, and a CFRP (carbon fiber reinforced plastic) flat carbon plate 2a (some of which has a curved shape) is adhered and sandwiched between the surfaces. Is used. An aluminum metal frame 11b having grooves 11e (grooves for setting the grip rod 17 and the step board 18) on both sides thereof is mechanically mounted by a set screw 11c and fixed to the frame 11d shown in FIG. Has been. And it can move up and down and right and left on the table 12 of the fluoroscopic imaging table.
[0005]
[Problems to be solved by the invention]
The conventional X-ray fluoroscopic tabletop is configured as described above, but the metal frame 11b provided at both ends and the central plate 11a are mechanically combined with a set screw 11c. A gap or a step is generated in the joint portion. For this reason, when the subject is replaced, it becomes difficult to replace due to a step, or liquid such as the subject's blood or body fluid enters the gap, which makes cleaning difficult and unsanitary. There is a problem.
[0006]
The present invention has been made in view of such circumstances, and the top plate for an X-ray fluoroscopic imaging table has a structure in which no gap or step is formed at the joint between the metal frame at both ends of the top plate and the central plate. The purpose is to provide.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides an X-ray fluoroscopic imaging table top plate that is set between an X-ray tube and an image receiving unit and performs radiographic imaging with a subject placed on both surfaces of a resin foam. Bonding a carbon plate having a size larger than the width, and having a groove on at least one surface, the surface having the groove has a step corresponding to the thickness of the carbon plate on both sides of the groove, and the lower step is the The width of the carbon plate has the same dimension as the length exceeding the resin foam, and the thickness of the lower step is the same as the thickness of the resin foam. A top plate for an X-ray fluoroscopic imaging table having a side inserted into a space between the two carbon plates formed on both sides of the resin foam, adhesively fixed to the carbon plate, and a packing fitted in the groove is provided. To do.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the top plate for a fluoroscopic imaging table according to the present invention will be described with reference to FIG. FIG. 1A shows a cross-sectional structure of the top plate for an X-ray fluoroscopic table according to the present invention, and FIG. 1B shows a metal frame 3 and a center provided on both sides of the top plate for the X-ray fluoroscopic table. It is sectional drawing which expanded the junction part with the carbon plate 2 of a part.
The top plate for the X-ray fluoroscopic imaging table includes a plate 7a in which a carbon plate 2 larger than the width is bonded to the upper and lower surfaces of the resin foam 1 with an adhesive 6 and carbon plates on both the left and right sides of the plate 7a. The metal frame 3 is provided with a step corresponding to the thickness of 2 and a groove 4 provided at a boundary portion of the step and is fitted on both sides of the plate 7a and a packing 5 fitted in the groove 4.
[0011]
The plate 7a is composed of a resin foam 1 and a carbon plate 2 having a slightly larger width bonded to the upper and lower sides thereof with an adhesive material 6. The carbon plate 2 is made of CFRP (carbon fiber reinforced plastic) and is expensive. Line transmittance is good, strong and lightweight. Therefore, the carbon plate 2 is used for the surface, and the inside is light and the resin foam 1 having a good X-ray transmittance is used.
[0012]
The metal frame 3 uses an aluminum drawing material, and the inside is provided with a drawing hole for weight reduction. The outside is rounded downward so that the subject can be easily replaced and the operator can operate easily. The joint with the carbon plate 2 has a step corresponding to the thickness of the carbon plate 2 and the step. Grooves 4 are provided at the boundary portion of. And it adhere | attaches with the adhesive 6a on both sides of the board 7a.
The packing 5 is made of silicone rubber, the cross-sectional head has a pan-like shape, and the foot has a shape matching the groove 4 provided in the metal frame 3.
[0013]
A method of manufacturing the top plate for the X-ray fluoroscopic table will be described. First, a plate-like resin foam 1 having a predetermined dimension is prepared. Next, a carbon plate 2 having the same length as the resin foam 1 and having a width direction larger by a predetermined dimension is prepared. And the adhesive material 6 is apply | coated to the upper and lower surfaces of the resin foam 1, and the carbon plate 2 is adhere | attached equally right and left. Next, a step corresponding to the thickness of the carbon plate 2 and a metal frame 3 in which the groove 4 is processed at the boundary portion of the step are prepared. Then, the adhesive 6a is thinly applied to the step portion corresponding to the thickness of the carbon plate 2 to which the carbon plate 2 is fixed, the packing 5 is inserted into the groove 4 and set, and between the carbon plates 2 of the plate 7a. The metal frame 3 is inserted. Finally, the packing 5 is shaped and fixed while being held down from the top. The surface of the metal frame 3 and the surface of the carbon plate 2 have the same height, and the gap between the carbon plate 2 and the packing 5 and between the metal frame 3 and the packing 5 is eliminated.
[0014]
Next, the usage status of the top plate for the X-ray fluoroscopic imaging table will be described. In the upper gastrointestinal tract examination, which mainly consists of stomach X-ray examinations, the subject is given a cup containing a contrast medium and allowed to drink according to the operator's instructions. Drink at first and drink according to instructions. Then let the rest drink at once. At this time, when the subject spills the contrast agent on the top plate and places the fluoroscopic imaging table in the horizontal position, the spilled contrast agent flows to the periphery of the top plate. If left unattended, it will adhere to a white and dirty state, so it will be cleaned with water when the inspection is completed.
[0015]
In the enema (colon) examination, the fluoroscope is placed in a horizontal position, the operator inserts an endoscope from the subject's anus, collects cells, and injects contrast medium into the rectum for frontal radiography. To do. At this time, if the dirt of the rectum leaks to the outside, the pulled-out endoscope touches the top plate, or the intestinal wall is damaged and bleeding, the top plate is contaminated. When the inspection is completed, the disinfectant is used for cleaning.
[0016]
In the urinary system examination, the fluoroscope is placed in a horizontal position, a contrast medium is injected from the subject's vein, and the state in which the contrast medium flows and moves to the kidney, urinary tract, bladder, etc. at predetermined time intervals is X-ray. Recorded by shooting. In addition, by using ultrasound diagnosis together, stones such as kidneys, urinary tracts and bladder can be found, so in order to improve the adhesion with the body surface and improve operability, the body surface of the subject , And apply a jelly agent to the probe and scan. For this reason, the jelly agent gets dirty on the top plate. The top plate and its surroundings are always cleaned with a disinfectant to keep it clean.
[0017]
The same applies to chest endoscopy and nervous system examination. And the peripheral part including the top plate must be kept clean so as not to infect the subject placed on the top plate of the fluoroscopic imaging table. Since the top plate for the X-ray fluoroscopic table uses a silicone rubber packing 5 at the joint, it can be easily disinfected using a disinfectant, and the metal frames 3 on both ends of the top plate can be used. Since there is no level difference with the carbon plate 2, the subject can easily move to the top plate.
[0018]
In the above embodiment, the means for attaching the step board 18 and the grip bar 17 is not described. However, the groove 11e may be provided as in the conventional case, or the metal frame 3 may be sandwiched between U-shaped fittings. It may be possible to attach it later.
Further, the packing 5 is set in the groove 4 in the insertion and bonding step of the metal frame 3 and the carbon plate 2, but the packing 5 may be set by press-fitting from the upper part in the final stage.
[0019]
Further, the outer shape of the metal frame 3 is a rounded umbrella shape, but may be a smooth shape such as an ellipse or a circle.
The material of the metal frame 3 may also be an aluminum alloy or a light metal material that has been subjected to a surface treatment resistant to the disinfectant.
[0020]
【The invention's effect】
The top plate for an X-ray fluoroscopic imaging table according to the present invention is configured as described above, and a resin foam is sandwiched between carbon plates from both sides, and steps corresponding to the thickness of the carbon plate are provided on both sides. The metal frame with a groove at the boundary is applied by applying an adhesive, and the packing is inserted into the groove.Therefore, the step between the metal frame and the carbon plate is eliminated, and the gap between the joints of both is sealed with the packing. It is sealed and its height is low, so it is easy for the subject to be replaced, and the subject's blood and body fluid do not enter the gap, making cleaning easier and always clean. Can do. And since the inside is formed with the resin foam and the surface uses the carbon plate, the top plate is light and tough.
[Brief description of the drawings]
FIG. 1 is a diagram showing an embodiment of a top plate for an X-ray fluoroscopic imaging table according to the present invention.
FIG. 2 is a view showing a conventional X-ray fluoroscopic imaging table.
FIG. 3 is a diagram showing a cross-sectional structure of a conventional top plate for a fluoroscopic imaging table.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1, 1a ... Resin foam 2, 2a ... Carbon plate 3, 11b ... Metal frame 4 ... Groove 5 ... Packing 6, 6a ... Adhesive material 11 ... Top plate 11a, 7a ... Plate 11c ... Set screw 11d ... Frame 11e ... Groove 12 ... stand 13 ... X-ray tube 14 ... image receiving portion 15 ... drive portion 16 ... base 17 ... grip rod 18 ... step stand

Claims (1)

In an X-ray fluoroscope tabletop set between an X-ray tube and an image receiving unit and performing fluoroscopy with a subject, a carbon plate having a size larger than the width is bonded to both surfaces of the resin foam, A groove on at least one surface, the surface having the groove has a step corresponding to the thickness of the carbon plate on both sides of the groove, and the lower step has a length exceeding the resin foam of the carbon plate. The two metal frames having the width of the same dimension and the thickness of the lower step side being the same as the thickness of the resin foam, the lower step side can be on both sides of the resin foam. A top plate for an X-ray fluoroscopic imaging table, which is inserted into a space between two carbon plates, bonded and fixed to the carbon plate, and a packing is fitted in the groove.

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