JPH11290290A - Bed for tomographic imaging - Google Patents
Bed for tomographic imagingInfo
- Publication number
- JPH11290290A JPH11290290A JP10104495A JP10449598A JPH11290290A JP H11290290 A JPH11290290 A JP H11290290A JP 10104495 A JP10104495 A JP 10104495A JP 10449598 A JP10449598 A JP 10449598A JP H11290290 A JPH11290290 A JP H11290290A
- Authority
- JP
- Japan
- Prior art keywords
- bed
- upper limb
- tomographic
- subject
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 11
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 46
- 238000003325 tomography Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000003187 abdominal effect Effects 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 241000287107 Passer Species 0.000 description 13
- 238000003745 diagnosis Methods 0.000 description 9
- 210000001015 abdomen Anatomy 0.000 description 7
- 238000002595 magnetic resonance imaging Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、磁気共鳴イメージ
ング装置用の断層撮影用ベッドに関する。The present invention relates to a tomographic bed for a magnetic resonance imaging apparatus.
【０００２】[0002]
【従来の技術】近年、ＣＴ診断装置はもとより磁気共鳴
イメージング装置も診断に広く用いられるようになって
きた。この磁気共鳴イメージング装置は、ＣＴ診断装置
等に比べて軟部組織に対する識別能力が高く、骨などに
よる障害陰影が少ないため任意方向の断層撮影が容易に
行えるため３次元画像収集に適していることや、放射線
による被爆がなく安全である等の特徴を有している。こ
れらの特徴を生かして磁気共鳴イメージング装置による
診断は、頭部、頚部および脊椎領域を中心にした適用か
ら更に関節部、腹部等への適用も本格化してきた。2. Description of the Related Art In recent years, magnetic resonance imaging apparatuses as well as CT diagnosis apparatuses have been widely used for diagnosis. This magnetic resonance imaging apparatus has a higher ability to discriminate soft tissues than a CT diagnostic apparatus and the like, and is suitable for three-dimensional image acquisition because it can easily perform tomography in any direction because there are few shadows due to bones and the like. It is safe from radiation exposure. By taking advantage of these features, the diagnosis using the magnetic resonance imaging apparatus has been applied to the joint, abdomen, etc. in addition to the application mainly to the head, neck and spine region.
【０００３】図７は従来の磁気共鳴イメージング装置の
断層撮影用ベッド１に被検査者４を寝載したときの斜視
図である。図７に示すように、断層撮影用ベッド１上に
被検査者４がその腹部を腹部用コイル５に挿通して仰臥
状態におかれる。該腹部用コイル５は、腹部関心領域よ
り発せられる微弱な共鳴信号を効率よく検出するための
アンテナ機能を有し、高Ｓ／Ｎ比を実現するため被検査
者４の腹部に密着して取り付けられる。FIG. 7 is a perspective view when a subject 4 is placed on a tomographic bed 1 of a conventional magnetic resonance imaging apparatus. As shown in FIG. 7, the subject 4 is placed on the tomography bed 1 by inserting the abdomen into the abdomen coil 5 and lying in a supine position. The abdominal coil 5 has an antenna function for efficiently detecting a weak resonance signal emitted from the abdominal region of interest, and is mounted in close contact with the abdomen of the subject 4 to achieve a high S / N ratio. Can be
【０００４】上記のように被検査者４を仰臥させた状態
で断層撮影用ベッド１を主マグネット傾斜コイル及び送
信用ＲＦコイル等により構成されるガントリー２内の所
定の位置に移動させ、通常３０分ないし１時間程度の撮
影診断を行う。[0004] As described above, the tomographic bed 1 is moved to a predetermined position in the gantry 2 composed of a main magnet gradient coil, a transmission RF coil, and the like while the subject 4 is in a supine position. Diagnosis is performed for about one minute to one hour.
【０００５】この間、腹部用コイル５がセットされた腹
部は正確な画像を得るためにガントリー２の磁場中心に
配置される必要がある。また、被検査者４の上肢部が腹
部撮影領域内に入って撮影画像に悪影響を与えることを
防ぐ必要がある。患部中核付近に上肢部の骨が撮影され
ると、撮影画質を劣化させ高度診断に支障を来し、再診
断には多大の費用が発生する。このため従来は、撮影中
の上肢部を腹部領域以外のところ、例えば図７に示すよ
うな位置に設けられたアングル６を掴んで上肢を頭部上
方に保持する方法が用いられている。During this time, the abdomen on which the abdomen coil 5 is set needs to be arranged at the center of the magnetic field of the gantry 2 in order to obtain an accurate image. In addition, it is necessary to prevent the upper limb of the subject 4 from entering the abdominal imaging region and adversely affecting the captured image. When the bones of the upper limb are photographed near the core of the affected area, the image quality is deteriorated, which hinders the advanced diagnosis, and the re-diagnosis requires a large cost. For this reason, conventionally, a method of holding the upper limb above the head by gripping an angle 6 provided at a position other than the abdominal region, for example, as shown in FIG.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、ガント
リー内に配置された断層撮影用ベッドの被検査者は、従
来のような上肢部を頭部上方に保持したままで３０分な
いし１時間の長時間撮影診断を受けると、被検査者が疲
労を感じるばかりでなく体動を起こしかねず、診断画像
に悪影響を与える恐れがある。However, the examinee of the tomography bed placed in the gantry requires a long time of 30 minutes to 1 hour while holding the conventional upper limb above the head. When an imaging diagnosis is received, the subject may not only feel tired but also move, which may adversely affect a diagnostic image.
【０００７】本発明は、このような事情に鑑みてなされ
たものであって、磁気共鳴イメージング装置等により腹
部の撮影診断を受ける場合に、受診体勢に苦痛を与える
ことなく撮影可能な断層撮影用ベッドを提供することを
目的とする。The present invention has been made in view of such circumstances, and is intended for tomographic imaging capable of performing imaging without giving a pain to a patient's posture when receiving a diagnosis of abdomen by a magnetic resonance imaging apparatus or the like. The purpose is to provide a bed.
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
め、請求項１記載の発明は寝載した被検査者の体部を撮
影するために用いる断層撮影用ベッドにおいて、該断層
撮影用ベッドの両側部に着脱可能に支持され、被検査者
の上肢部を嵌通させる一対の支え具を備えたことを特徴
とする。According to one aspect of the present invention, there is provided a tomographic bed used for photographing a body part of a subject on which the subject is lying, the tomographic bed. And a pair of supports which are detachably supported on both sides of the subject and which allow the upper limb of the subject to pass therethrough.
【０００９】また、請求項２記載の発明は請求項１記載
の断層撮影用ベッドにおいて、前記支え具に中空構造の
エアーバックを用いたことを特徴とする。According to a second aspect of the present invention, in the tomographic bed according to the first aspect, an air bag having a hollow structure is used as the support.
【００１０】さらに、請求項３記載の発明は請求項２記
載の断層撮影用ベッドにおいて、前記支え具に伸縮性の
エアーバックを用いるとともに、該エアーバックに気体
あるいは気泡性充填物を注入して使用することを特徴と
する。Further, according to a third aspect of the present invention, in the tomographic bed according to the second aspect, a stretchable air bag is used for the support, and a gas or a bubble-filled material is injected into the air bag. It is characterized by being used.
【００１１】本発明の断層撮影用ベッドは、上記のよう
に構成されており、被検査者は無理な体勢を強いられる
ことなく腹部撮影領域の外に上肢部を配置でき、楽な体
勢で撮影診断を受けることができる。[0011] The tomographic bed of the present invention is configured as described above, so that the examinee can place the upper limb outside the abdominal imaging region without being forced into an uncomfortable posture, and perform imaging in a comfortable posture. You can get a diagnosis.
【００１２】[0012]
【発明の実施の形態】以下、本発明の断層撮影用ベッド
の第１実施例を図面に基づき説明する。図１は本発明に
よる断層撮影用ベッド、図２は本発明に用いられる支え
具のそれぞれの斜視図を示したものである。図１に示す
ように、断層撮影用ベッド１は被検査者４を寝載させた
マット１ｃ及び天板１ｂをガントリーの方向に移動させ
るための天板移動台１ａと、該天板移動台１ａを上下さ
せてその高さを調節する昇降台１ｄと、支え具３から構
成される。前記支え具３は、図２に示すように上肢通し
具３ａとマジックファスナのような接着部３ｃと３ｄを
有するベルト３ｂからなり、その接着面３ｃは天板１ｂ
に設けられた接着部（図示しない）に、接着部３ｄは上
肢通し具３ａに接着して固定される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a tomographic bed according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a tomographic bed according to the present invention, and FIG. 2 is a perspective view of a support used in the present invention. As shown in FIG. 1, the tomographic bed 1 includes a top moving table 1a for moving the mat 1c and the top 1b on which the subject 4 is placed in the direction of the gantry, and the top moving table 1a. And a support 3 for raising and lowering the table to adjust the height thereof. As shown in FIG. 2, the support 3 is composed of an upper limb passer 3a and a belt 3b having adhesive portions 3c and 3d such as magic fasteners.
The bonding part 3d is bonded and fixed to the bonding part (not shown) provided on the upper limb passing tool 3a.
【００１３】前記支え具３に用いられる上肢通し具３ａ
の形状は、上肢を嵌通させるための上肢通し孔３ｅを備
えた円筒形で、上部と下部は半径方向に丸みを持たせ、
上肢部のあたりを和らげている。そして、被検査者４の
上肢部の太さに応じて大きさの異なる複数のものを用意
して使い分ける。An upper limb passer 3a used for the supporter 3
The shape of is cylindrical with upper limb through holes 3e for fitting the upper limb, the upper and lower parts are rounded in the radial direction,
The area around the upper limb is softened. Then, a plurality of objects having different sizes according to the thickness of the upper limb of the subject 4 are prepared and used properly.
【００１４】また前記上肢通し具３ａの材質には、例え
ばポリプロピレンのような上肢部の荷重に耐え軽量であ
るものが用いられる。また、ベルト３ｂには革などにマ
ジック接着部を接着したものが用いられる。As the material of the upper limb passing device 3a, a material such as polypropylene, which can withstand the load of the upper limb and is lightweight, is used. The belt 3b is made of a material in which a magic bonding portion is bonded to leather or the like.
【００１５】次に支え具３の使い方を説明する。まず被
検査者が仰臥した状態で、ベルト３ｂを介して天板１ｂ
に接着された上肢通し具３ａに、上肢を嵌通して手を組
み合わせる。次に上肢通し具にベルト３ｂの接着部を接
着させることにより、上肢通し具３ａの位置が固定され
内側への傾きが防止される。これにより上肢部の荷重は
上肢通し具３ａによって支えられ、該上肢通し具３ａは
図３に示すように腕を垂直に保持し、上肢部の疲労を軽
減し長時間そのままの状態を保持することができる。図
４は本発明に用いられる支え具３の変形例を示したもの
である。ベルト３ｂは一本でマットの下を通して両側面
から取り出され、その両端は上肢通し具３ａを接続する
ための接着部３ｄが備えられている。支え具３の使い方
は上記説明と同様である。Next, how to use the support 3 will be described. First, in a state in which the subject is supine, the top plate 1b is connected via the belt 3b.
The upper limb is inserted into the upper limb passing device 3a adhered to the limb, and the hands are combined. Next, by bonding the bonding portion of the belt 3b to the upper limb passer, the position of the upper limb passer 3a is fixed and the inward inclination is prevented. Thus, the load on the upper limb is supported by the upper limb passer 3a, and the upper limb passer 3a holds the arm vertically as shown in FIG. 3 to reduce fatigue of the upper limb and maintain the state for a long time. Can be. FIG. 4 shows a modification of the support 3 used in the present invention. The belt 3b is taken out from both sides under the mat by a single belt, and both ends thereof are provided with an adhesive portion 3d for connecting the upper limb passer 3a. The usage of the support 3 is the same as described above.
【００１６】図５は、本発明の第２実施例に用いられる
支え具３の断面図を示したものである。この上肢通し具
はフレーム３ｆにガラス繊維入りのような強化プラスチ
ックを用い上肢部による荷重を支えるとともに、内部を
中空にすることによりさらに軽量化を図ることができ
る。FIG. 5 is a sectional view of the support 3 used in the second embodiment of the present invention. The upper limb passing device supports the load of the upper limb portion by using a reinforced plastic such as glass fiber in the frame 3f, and can further reduce the weight by hollowing the inside.
【００１７】図６は、本発明の第３実施例に用いられる
支え具３の外観図を示したもので、（Ａ）は中空状態、
（Ｂ）は気体または発砲ポリスチレンなどの発砲剤を注
入した後の状態を示したものである。この支え具３はゴ
ムなどの伸縮性材質を用いた上肢通し具３ａと気体など
を注入するための注入口３ｈからなり、気体または発泡
剤の注入量を調節することによって、上肢通し具３ａの
大きさを調節できるので、小種類のサイズで大人から子
共までの適用が可能となり、製作費の低減と管理を容易
にすることができる。FIGS. 6A and 6B are external views of a support 3 used in a third embodiment of the present invention, wherein FIG.
(B) shows the state after injection of a gas or a foaming agent such as foamed polystyrene. The support 3 comprises an upper limb passer 3a made of an elastic material such as rubber and an inlet 3h for injecting gas or the like. The upper limb passer 3a is controlled by adjusting the amount of gas or foaming agent to be injected. Since the size can be adjusted, it can be applied to both children and adults with a small size, and the production cost can be reduced and management can be facilitated.
【００１８】本発明の目的はベッドに仰臥した被検査者
の上肢部の第一関節部を垂直に延ばした状態で第２関節
部を曲げ手首を組み合わせることにより、上肢部の荷重
を垂直方向に作用させ上肢部の疲労を軽減化して、長時
間腹部領域外に上肢部を保持することにあり、上肢通し
具の座りを良くするために底部の形状の形を変えること
等は本発明に包含されるものである。An object of the present invention is to combine a wrist with a second joint bent in a state where the first joint of the upper limb of the subject lying on a bed is extended vertically, thereby reducing the load on the upper limb in the vertical direction. The purpose of the present invention is to reduce the fatigue of the upper limb by acting to keep the upper limb outside the abdominal region for a long time, and to change the shape of the shape of the bottom in order to improve the sitting ability of the upper limb passer is included in the present invention. Is what is done.
【００１９】[0019]
【発明の効果】本発明の断層撮影用ベッドは上記のよう
に構成されており、断層撮影用ベッドに仰臥した被検査
者の上肢部は該支持具により常に支持され、無理な姿勢
で上肢部を頭部上方へもっていく必要はなく、そのまま
の楽な体勢状態で腹部コイルによる撮影領域外に保持で
きるので、長時間にわたって同一体勢をとっても疲労す
ることがない。The tomography bed of the present invention is constructed as described above, and the upper limb of the subject who lies on the tomography bed is always supported by the support, and the upper limb is placed in an unreasonable posture. It is not necessary to bring the head over the head, and the head can be held outside the imaging region by the abdominal coil in a comfortable posture as it is, so that even if the same posture is taken for a long time, there is no fatigue.
【図１】本発明の断層撮影用ベッドの実施例を示す斜視
図である。FIG. 1 is a perspective view showing an embodiment of a tomographic bed according to the present invention.
【図２】本発明に用いられる上肢通し具の斜視図であ
る。FIG. 2 is a perspective view of an upper limb passer used in the present invention.
【図３】本発明の断層撮影用ベッドの実施例を示す正面
図である。FIG. 3 is a front view showing an embodiment of the tomographic bed according to the present invention.
【図４】本発明の変形例に用いられる上肢通し具の斜視
図である。FIG. 4 is a perspective view of an upper limb passer used in a modification of the present invention.
【図５】本発明の断層撮影用デッドを示す斜視図であ
る。FIG. 5 is a perspective view showing a tomographic dead of the present invention.
【図６】本発明の第２実施例に用いられる上肢通し具の
断面図である。FIG. 6 is a cross-sectional view of the upper limb passer used in the second embodiment of the present invention.
【図７】従来の第３実施例に用いられる上肢通し具の外
観図である。FIG. 7 is an external view of an upper limb passing device used in a third conventional example.
１…断層撮影用ベッド １ａ…天板移動台 １ｂ…天板 １ｃ…マット １ｄ…昇降台 ２…ガントリー ３…支え具 ３ａ…上肢通し具 ３ｂ…ベルト ３ｃ、３ｄ…接着部 ３ｅ…上肢通し孔 ３ｆ…フレーム ３ｇ…中空部 ３ｈ…注入口 ４…被検査者 ５…腹部用コイル ６…アングル DESCRIPTION OF SYMBOLS 1 ... Bed for tomography 1a ... Top plate moving stand 1b ... Top plate 1c ... Mat 1d ... Elevating stand 2 ... Gantry 3 ... Supporting device 3a ... Upper limb passing device 3b ... Belt 3c, 3d ... Adhesive part 3e ... Upper limb passing hole 3f … Frame 3g… Hollow part 3h… Injection port 4… Subject 5… Abdominal coil 6… Angle
Claims (3)
用いる断層撮影用ベッドにおいて、該断層撮影用ベッド
の両側部に着脱可能に支持され、被検査者の上肢部を嵌
通させる一対の支え具を備えたことを特徴とする断層撮
影用ベッド。1. A tomography bed used for imaging a body part of a subject to be laid on a bed, the bed being detachably supported on both sides of the tomography bed, and penetrating an upper limb of the subject. A tomographic bed comprising a pair of supports for causing the tomography.
て、前記支え具に中空構造のエアーバックを用いたこと
を特徴とする断層撮影用ベッド。2. The tomographic bed according to claim 1, wherein an air bag having a hollow structure is used as the support.
て、前記支え具に伸縮性のエアーバックを用いるととも
に、該エアーバックに気体あるいは気泡性充填物を注入
して使用することを特徴とする断層撮影用ベッド。3. The tomographic bed according to claim 2, wherein a stretchable air bag is used as the support, and a gas or a bubble-filled material is injected into the air bag. Bed for tomography.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10104495A JPH11290290A (en) | 1998-04-15 | 1998-04-15 | Bed for tomographic imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10104495A JPH11290290A (en) | 1998-04-15 | 1998-04-15 | Bed for tomographic imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11290290A true JPH11290290A (en) | 1999-10-26 |
Family
ID=14382119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10104495A Pending JPH11290290A (en) | 1998-04-15 | 1998-04-15 | Bed for tomographic imaging |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11290290A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004071302A1 (en) * | 2003-02-11 | 2004-08-26 | Odense Universitetshospital | An arm pad and a method for using an arm pad at scanning examination |
-
1998
- 1998-04-15 JP JP10104495A patent/JPH11290290A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004071302A1 (en) * | 2003-02-11 | 2004-08-26 | Odense Universitetshospital | An arm pad and a method for using an arm pad at scanning examination |
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