JP2009089934A - Radiographic fluoroscope stand - Google Patents

Radiographic fluoroscope stand Download PDF

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JP2009089934A
JP2009089934A JP2007264203A JP2007264203A JP2009089934A JP 2009089934 A JP2009089934 A JP 2009089934A JP 2007264203 A JP2007264203 A JP 2007264203A JP 2007264203 A JP2007264203 A JP 2007264203A JP 2009089934 A JP2009089934 A JP 2009089934A
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ray
radiographic
subject
imaging
top plate
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JP5186872B2 (en
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Takayoshi Okamura
貴由 岡村
Hiroyuki Yanai
宏行 柳井
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Shimadzu Corp
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Shimadzu Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To solve the problems that an imaging impossible part is generated on the lower limbs of a subject and diagnosing is obstructed since a part of an X-ray bundle radiated from an X-ray tube and collimated by an X-ray diaphragm is interrupted by the metal part of a step attached to the top plate of the radiographic fluoroscope stand and can not be made incident on an X-ray receiving part positioned on the back surface of the top plate when performing imaging to an ankle and toes by the long-length imaging of a slot scan method or the like for instance using the radiographic fluoroscope stand. <P>SOLUTION: When imaging the ankle and toes of the subject 3 in a standing position using the radiographic fluoroscope stand 1, before mounting the subject 3 on the top plate 2, an operator attaches an additional step 10 whose upper surface comprises a rectangular plate of a low X-ray absorption rate constituted of foamed polyethylene or the like and lower surface comprises a wooden plate onto the step metal part 4A of the step 4 attached to the foot side of the top plate 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明はＸ線透視撮影台に関する。   The present invention relates to a fluoroscopic imaging table.

Ｘ線透視撮影台を用いて被検者の下肢、足首または足先の病変を撮影する場合、体重をかけた状態、すなわち立位で、例えばスロットスキャン法等により長尺撮影が行われることが多い。そのためＸ線透視撮影台１は、例えば図５に示すように、立位撮影を行うとき被検者３を支持するための踏台４が天板２の足側に取り付けられるように構成されている（例えば特許文献１参照）。
特開平１１−３４７０２８号公報 When imaging a subject's lower limb, ankle, or toe lesion using an X-ray fluoroscopic imaging table, long imaging may be performed with the weight applied, that is, in a standing position, for example, by a slot scanning method or the like. Many. Therefore, the X-ray fluoroscopic imaging table 1 is configured such that, for example, as shown in FIG. 5, a step 4 for supporting the subject 3 is attached to the foot side of the top board 2 when performing standing imaging. (For example, refer to Patent Document 1).
Japanese Patent Laid-Open No. 11-347028

Ｘ線透視撮影台を用いて、例えばスロットスキャン法等の長尺撮影により、足首および足先までの撮影を行うとき、例えば図４に示すようにＸ線管５から照射されＸ線絞り６によりコリメートされたＸ線束８の一部がＸ線透視撮影台１の天板２に取り付けられた踏台４の踏台金属部４Ａによって遮断され、天板２の背面に位置する、例えばフラットパネル型Ｘ線検出器等により構成されるＸ線受光部７に入射できないため、被検者３の下肢に撮影不能部位９が発生し診断に支障をきたしていた。本発明はこの不具合を解決するためのものである。   For example, when photographing an ankle and a toe by using a long scan such as a slot scan method using an X-ray fluoroscopic imaging table, the X-ray tube 5 irradiates the X-ray tube 5 as shown in FIG. A part of the collimated X-ray bundle 8 is blocked by the step metal part 4A of the step 4 attached to the top 2 of the X-ray fluoroscopic table 1, and is located on the back of the top 2, for example, a flat panel X-ray Since it cannot enter into the X-ray light-receiving part 7 comprised by a detector etc., the imaging | photography impossible site | part 9 generate | occur | produced in the lower leg of the subject 3, and it had troubled the diagnosis. The present invention is intended to solve this problem.

請求項１記載の発明は上記の目的を達成するために、天板に取り付けられ、立位撮影時に被検者を支持する踏台を有するＸ線透視撮影台において、前記踏台に着脱可能であって、診断に支障をきたさない程度にＸ線吸収率の低い材料で構成された踏台を設けたＸ線透視撮影台である。   In order to achieve the above object, the invention described in claim 1 is an X-ray fluoroscopic imaging table that is attached to a top board and has a platform that supports a subject during standing imaging, and is detachable from the platform. This is an X-ray fluoroscopic imaging table provided with a platform made of a material having a low X-ray absorption rate to the extent that it does not interfere with the diagnosis.

請求項２記載の発明は上記の目的を達成するために、材料はカーボン、または塩化ビニール、または樹脂である請求項１記載のＸ線透視撮影台である。   In order to achieve the above object, the invention according to claim 2 is the X-ray fluoroscopic imaging stand according to claim 1, wherein the material is carbon, vinyl chloride, or resin.

請求項３記載の発明は上記の目的を達成するために、着脱可能な踏台は足先、足首以外の検査に用いる機械的強度が大きい材料とＸ線低吸収材とを組み合わせて構成される請求項１記載のＸ線透視撮影台である。   In order to achieve the above object, the detachable platform is configured by combining a material having high mechanical strength other than the toes and ankles and an X-ray low absorption material. The X-ray fluoroscopic imaging table according to Item 1.

請求項４記載の発明は上記の目的を達成するために、前記踏台が上面下面のいずれにもなるように回転可能に構成されている請求項３記載のＸ線透視撮影台である。   According to a fourth aspect of the present invention, in order to achieve the above object, the X-ray fluoroscopic imaging table according to the third aspect of the present invention is configured such that the step is rotatable so as to be on either the upper surface or the lower surface.

本発明によりＸ線吸収の少ない素材を木製板の上に貼り付けた構成の追加踏台を天板に取り付けられた踏台の上に取り付けることにより、足首および足先の撮影においても撮影不能部位をなくすことができる。また前記追加踏台は踏台の踏台金属部に着脱可能に構成されているので、足首および足先以外の撮影の時は取り外して通常の踏台を使用することにより、Ｘ線吸収は少ないが同時に機械的強度が小さい素材に起因する追加踏台の耐久性の低さを補うことができる。   According to the present invention, an additional step having a structure in which a material having low X-ray absorption is pasted on a wooden board is attached on the step attached to the top board, thereby eliminating an unphotographable part even when photographing an ankle and a toe. be able to. In addition, since the additional platform is configured to be detachable from the metal platform of the platform, it can be mechanically removed at the same time by taking off other than the ankles and toes and using a normal platform to reduce X-ray absorption. It can compensate for the low durability of the additional platform caused by the low strength material.

本発明の実施例について図１および図２により説明する。図１に示すようにＸ線透視撮影台１を用いて立位の被検者３の足首および足先を撮影する場合、操作者（図示しない）は被検者３を天板２に載置する前に、天板２の足側に取り付けられた踏台４の踏台金属部４Ａ上に図２に示す追加踏台１０を取り付ける。ここで図２（ａ）は追加踏台１０の側面図であり、図２（ｂ）は正面図である。   An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, when imaging the ankle and toe of a standing subject 3 using the fluoroscopic imaging table 1, an operator (not shown) places the subject 3 on the top 2. Prior to this, the additional platform 10 shown in FIG. 2 is mounted on the platform metal portion 4A of the platform 4 mounted on the foot side of the top board 2. Here, FIG. 2 (a) is a side view of the additional platform 10, and FIG. 2 (b) is a front view.

追加踏台１０は踏台金属部４Ａとほぼ同じ広さおよび厚さの矩形の木製取付板１０Ｂの上面に、例えば発泡ポリエチレン等により構成される、Ｘ線吸収率の低い矩形の板である低吸収踏板１０Ａを接着し、さらに木製取付板１０Ｂの前面の両端部にそれぞれＬ字型の固定金具１０Ｃを取り付けた構成になっている。そして固定金具１０Ｃには操作者が追加踏台１０を踏台金属部４Ａ上に取り付けるために固定ネジ１０Ｄをねじ込むためのネジ穴（図示しない）が設けられている。   The additional step board 10 is a low absorption step board which is a rectangular board having a low X-ray absorption rate, which is made of, for example, foamed polyethylene on the upper surface of a rectangular wooden mounting plate 10B having the same width and thickness as the step metal part 4A. 10A is bonded, and furthermore, L-shaped fixing brackets 10C are attached to both ends of the front surface of the wooden mounting plate 10B. The fixing bracket 10 </ b> C is provided with a screw hole (not shown) for screwing a fixing screw 10 </ b> D so that the operator can attach the additional step 10 on the step metal part 4 </ b> A.

そして図１に示すように被検者３が踏台金属部４Ａ上に取り付けられた追加踏台１０の低吸収踏板１０Ａ上に立つことにより、足底と踏台金属部４Ａとの間にＸ線吸収率の低い層が挿入されるために、”発明が解決しようとする課題”の項で述べたような撮影不能部位の発生をなくすことができる。   Then, as shown in FIG. 1, when the subject 3 stands on the low absorption tread 10A of the additional step 10 attached on the step metal part 4A, the X-ray absorption rate is between the sole and the step metal part 4A. Therefore, the occurrence of a non-imagingable portion as described in the section “Problems to be solved by the invention” can be eliminated.

また通常低吸収踏板１０ＡはＸ線吸収は少ないが同時に機械的強度が小さい材質により構成されるために耐久性が低いという欠点を有するので、足首および足先以外の撮影の時は、操作者が固定ネジ１０Ｄをゆるめて追加踏台１０を踏台金属部４Ａから取り外すことができるように構成されている。   Further, the low-absorption tread board 10A is usually made of a material having low X-ray absorption but low mechanical strength, so that it has a drawback of low durability. Therefore, when photographing other than ankles and toes, the operator needs The fixing screw 10D is loosened so that the additional step board 10 can be removed from the step metal part 4A.

なお図１において７は天板２の背面に配置された、例えばフラットパネル型Ｘ線検出器等により構成されるＸ線受光部である。   In FIG. 1, reference numeral 7 denotes an X-ray light receiving unit which is arranged on the back surface of the top plate 2 and is constituted by, for example, a flat panel X-ray detector.

また図３（ａ）に示すように、Ｘ線透視撮影台１の天板２に取り付けられた踏台１１の踏台金属部１１Ａの上面に、例えば発泡ポリエチレン等により構成される、Ｘ線吸収率の低い矩形の板である低吸収踏板１１Ｂを接着することによっても上記と同様の効果を得ることができる。そして図３（ｂ）の矢印Ａで示すように踏台金属部１１Ａを回転させて、低吸収踏板１１Ｂを踏台金属部１１Ａの下面に配置できるように踏台１１を構成し、足首および足先以外の撮影の時被検者（図示しない）を踏台金属部１１Ａ上に立たせることにより低吸収踏板１１Ｂの耐久性の問題を低減できる。   Further, as shown in FIG. 3 (a), the X-ray absorption rate, which is made of, for example, polyethylene foam, is formed on the upper surface of the step metal part 11A of the step 11 attached to the top plate 2 of the X-ray fluoroscopic table 1. The same effect as described above can also be obtained by bonding the low absorption tread 11B which is a low rectangular plate. Then, as shown by the arrow A in FIG. 3B, the step metal part 11A is rotated to constitute the step 11 so that the low absorption step board 11B can be arranged on the lower surface of the step metal part 11A. The problem of durability of the low-absorption tread 11B can be reduced by standing a subject (not shown) on the step metal part 11A at the time of photographing.

本発明はＸ線透視撮影台に関する。   The present invention relates to a fluoroscopic imaging table.

本発明の実施例を説明するための図である。It is a figure for demonstrating the Example of this invention. 本発明の追加踏台の構成例を示す図である。It is a figure which shows the structural example of the additional platform of this invention. 本発明の別の実施例を説明するための図である。It is a figure for demonstrating another Example of this invention. 従来の踏板を用いた撮影について説明するための図である。It is a figure for demonstrating the imaging | photography using the conventional tread. 従来のＸ線透視撮影台について説明するための図である。It is a figure for demonstrating the conventional X-ray fluoroscopic imaging stand.

符号の説明Explanation of symbols

１：Ｘ線透視撮影台
２：天板
３：被検者
４：踏台
４Ａ：踏台金属部
５：Ｘ線管
６：Ｘ線絞り
７：Ｘ線受光部
８：Ｘ線束
９：撮影不能部位
１０：追加踏台
１０Ａ：低吸収踏板
１０Ｂ：木製取付板
１０Ｃ：固定金具
１０Ｄ：固定ネジ
１１：踏台
１１Ａ：踏台金属部
１１Ｂ：低吸収踏板 1: X-ray fluoroscopic imaging table 2: Top board 3: Subject 4: Step 4A: Step metal part 5: X-ray tube 6: X-ray diaphragm 7: X-ray light receiving part 8: X-ray bundle 9: Unimaginable part 10 : Additional step 10A: Low absorption step plate 10B: Wooden mounting plate 10C: Fixing bracket 10D: Fixing screw 11: Step 11A: Step metal part 11B: Low absorption step plate

Claims (4)

天板に取り付けられ、立位撮影時に被検者を支持する踏台を有するＸ線透視撮影台において、前記踏台に着脱可能であって、診断に支障をきたさない程度にＸ線吸収率の低い材料で構成された踏台を設けたことを特徴とするＸ線透視撮影台。 An X-ray fluoroscopic imaging table that is attached to a top board and has a platform that supports a subject during standing imaging, and is a material that can be attached to and detached from the platform and has a low X-ray absorption rate so as not to interfere with diagnosis. An X-ray fluoroscopic imaging stand characterized by comprising a stepped bed made up of 材料はカーボン、または塩化ビニール、または樹脂であることを特徴とする請求項１記載のＸ線透視撮影台。 2. The fluoroscopic imaging table according to claim 1, wherein the material is carbon, vinyl chloride, or resin. 着脱可能な踏台は足先、足首以外の検査に用いる機械的強度が大きい材料とＸ線低吸収材とを組み合わせて構成されることを特徴とする請求項１記載のＸ線透視撮影台。 2. The X-ray fluoroscopic imaging table according to claim 1, wherein the detachable step is configured by combining a material having a high mechanical strength other than the toes and ankles and an X-ray low absorption material. 前記踏台が上面下面のいずれにもなるように回転可能に構成されていることを特徴とする請求項３記載のＸ線透視撮影台。 The X-ray fluoroscopic imaging table according to claim 3, wherein the step is configured to be rotatable so as to be on any of the upper and lower surfaces.
JP2007264203A 2007-10-10 2007-10-10 X-ray fluoroscopy table Expired - Fee Related JP5186872B2 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP2011083399A (en) * 2009-10-15 2011-04-28 Aloka Co Ltd Heel holder

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JPH0265630U (en) * 1988-11-09 1990-05-17
JPH07178080A (en) * 1993-12-22 1995-07-18 Hitachi Medical Corp Photographic stage for radioscopy
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011083399A (en) * 2009-10-15 2011-04-28 Aloka Co Ltd Heel holder

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