JP2002159485A - Device for controlling bed for medical diagnostic apparatus - Google Patents
Device for controlling bed for medical diagnostic apparatusInfo
- Publication number
- JP2002159485A JP2002159485A JP2000356389A JP2000356389A JP2002159485A JP 2002159485 A JP2002159485 A JP 2002159485A JP 2000356389 A JP2000356389 A JP 2000356389A JP 2000356389 A JP2000356389 A JP 2000356389A JP 2002159485 A JP2002159485 A JP 2002159485A
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- Prior art keywords
- imaging
- subject
- bed
- distance
- couch
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Links
- 238000003384 imaging method Methods 0.000 claims abstract description 141
- 238000001514 detection method Methods 0.000 claims description 5
- 210000001015 abdomen Anatomy 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は医用診断装置の寝台
制御装置に係り、特に被検者の撮影部位を撮影系の撮影
領域内に簡単に位置合わせできる制御機構を備えた医用
診断装置の寝台制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bed control apparatus for a medical diagnostic apparatus, and more particularly to a bed for a medical diagnostic apparatus provided with a control mechanism capable of easily aligning an imaging region of a subject within an imaging area of an imaging system. It relates to a control device.
【０００２】[0002]
【従来の技術】被検者の撮影部位は、頭部、胸部、腹部
等のいろいろな部位があり、これらの部位を撮影系の撮
影領域内に入るように位置合わせする必要がある。2. Description of the Related Art There are various imaging parts of a subject, such as a head, a chest, and an abdomen, and it is necessary to position these parts so as to enter an imaging area of an imaging system.
【０００３】この位置合わせの従来技術について、Ｘ線
ＣＴ装置を例にあげて説明する。従来のＸ線ＣＴ装置に
おいて、操作者は計測開始前に、被検者の撮影部位がＸ
線ＣＴ装置の撮影系（スキャナ回転部に搭載され被検者
にＸ線を照射するＸ線管と、被検者を挟んで前記回転部
に搭載され該Ｘ線管に対向する位置に配置されたＸ線検
出器から成る）の撮影領域内に入るように、被検者を載
せた天板を被検者の体軸方向上（以下、この方向を上下
方向と呼称する）、及び天板を載せた寝台を昇降方向
（被検者の垂直方向）に動かして位置合わせしていた。[0003] The prior art of this alignment will be described by taking an X-ray CT apparatus as an example. In a conventional X-ray CT apparatus, an operator sets an X-ray image of a subject before starting measurement.
An imaging system of an X-ray CT apparatus (an X-ray tube mounted on a rotating unit of a scanner and irradiating an X-ray to a subject, and mounted at a position opposed to the X-ray tube mounted on the rotating unit and sandwiching the subject) The top plate on which the subject is placed is positioned in the body axis direction of the subject (hereinafter, this direction is referred to as a vertical direction) so as to enter the imaging region of the subject. Was moved in the elevating direction (vertical direction of the subject) to perform positioning.
【０００４】この位置合わせは、先ず寝台上の天板に被
検者を載せ、前記寝台の昇降スイッチをオン、オフし
て、該寝台の昇降モータを駆動して被検者の高さを撮影
系の撮影中心の高さになるように位置合わせする。次
に、前記天板を上下方向に移動させるためのスイッチを
オン、オフして該天板を上下方向に移動させる上下方向
移動用モータを駆動して、被検者の撮影対象部位が前記
撮影系の撮影中心に合うように位置合わせする。この場
合、被検者の撮影対象部位から前記撮影系の撮影中心ま
での距離が長い場合は、天板の移動時間を短縮するため
に高速移動スイッチをオンして略撮影系の撮影中心まで
高速に移動させておいて、低速スイッチをオンして低速
で移動させて撮影位置に位置合わせする。このように、
従来は、寝台の昇降スイッチ及び天板の上下移動スイッ
チを手動により操作し、該寝台の昇降モータ及び天板の
上下移動モータを駆動して、被検者の撮影対象部位を撮
影系の撮影中心の位置に合わせていた。In this positioning, first, a subject is placed on a top board on a bed, an elevation switch of the bed is turned on and off, and an elevation motor of the bed is driven to photograph the height of the subject. Align to the height of the center of the system. Next, a switch for moving the top plate in the vertical direction is turned on and off, and a vertical movement motor for moving the top plate in the vertical direction is driven. Align to the center of the system. In this case, if the distance from the subject to be photographed to the photographing center of the photographing system is long, the high-speed movement switch is turned on to reduce the moving time of the top board, and the high-speed movement switch is turned to approximately the photographing center of the photographing system Then, the low-speed switch is turned on and the camera is moved at a low speed to adjust the position to the shooting position. in this way,
Conventionally, a bed elevating switch and a top-and-bottom moving switch are manually operated, and a bed elevating motor and a top-and-bottom moving motor are driven to move a subject's subject to be photographed to a photographing center of a photographing system. Was adjusted to the position.
【０００５】[0005]
【発明が解決しようとしている課題】天板の位置は、被
検者の撮影部位、つまり頭部、胸部、腹部等によってほ
ぼ決まっており、上記従来のように撮影部位に応じて複
数のスイッチ（寝台の昇降スイッチ、天板の上下移動ス
イッチ、天板の高速移動スイッチ）を手動により駆使し
て被検者の撮影対象部位を撮影系の撮影中心に位置合わ
せすることは、操作者にとって煩わしいものである。本
発明は、このような事情に鑑みてなされたもので、操作
者にとって煩わしくなく、被検者の撮影部位を撮影系の
撮影領域内に短時間で簡単に位置合わせできる制御機構
を備えた医用診断装置の寝台制御装置を提供することを
目的とする。The position of the top plate is substantially determined by the imaging part of the subject, that is, the head, chest, abdomen, etc., and a plurality of switches (such as the conventional ones) are used in accordance with the imaging part. It is cumbersome for the operator to manually use the bed lift switch, the top-bottom up / down switch, and the top-top high-speed switch to align the subject's imaging target with the imaging center of the imaging system. It is. The present invention has been made in view of such circumstances, is not troublesome for an operator, and has a medical mechanism having a control mechanism that can easily position a subject's imaging region within an imaging region of an imaging system in a short time. An object of the present invention is to provide a bed control device for a diagnostic device.
【０００６】[0006]
【課題を解決するための手段】上記目的は、以下の手段
によって達成される。The above object is achieved by the following means.
【０００７】（1）被検者を天板に載置し、この天板を
寝台で支持して前記天板及び寝台を移動させて前記被検
者を撮影系の撮影領域に位置合わせする制御手段を備え
た医用診断装置の寝台制御装置において、前記制御手段
は、前記被検者の身長及び撮影部位間の距離を入力する
被検者体格情報入力手段と、前記被検者の撮影部位を指
定しこれを入力する撮影部位指定入力手段と、前記天板
の位置を検出する天板位置検出手段と、前記寝台の位置
を検出する寝台位置検出手段とを有し、前記天板位置検
出手段及び寝台位置検出手段で検出した天板及び寝台の
現在位置と前記被検者体格情報入力手段から入力した該
被検者の身長及び撮影部位間の距離情報とから前記天板
及び寝台を前記撮影部位指定入力手段で指定した撮影部
位から前記撮影系の撮影領域まで移動させる距離を算出
しこの算出した移動距離を入力して前記天板及び寝台を
前記撮影系の撮影領域に位置合わせする。(1) A control in which the subject is placed on a table top, the table is supported by a bed, and the table and the bed are moved to position the subject in a photographing area of a photographing system. In the couch control device of the medical diagnostic apparatus including the means, the control means includes a subject physique information input means for inputting a height of the subject and a distance between the imaging parts, and an imaging part of the subject. An imaging part designation inputting means for designating and inputting the same; a couchtop position detecting means for detecting the position of the couchtop; and a couch position detecting means for detecting a couch position. And photographing the couchtop and couch from the current position of the couchtop and couch detected by the couch position detection means and the height information of the subject and distance information between the imaging parts input from the subject physique information input means. From the imaging part specified by the part specification input means, The distance to be moved to the photographing area is calculated, and the calculated moving distance is input to align the tabletop and the bed with the photographing area of the photographing system.
【０００８】（2）被検者を天板に載置し、この天板を
寝台で支持して前記天板及び寝台を移動させて前記被検
者を撮影系の撮影領域に位置合わせする制御手段を備え
た医用診断装置の寝台制御装置において、前記制御手段
は、前記被検者の撮影部位を指定しこれを入力する撮影
部位指定入力手段と、前記天板の位置を検出する天板位
置検出手段と、前記寝台の位置を検出する寝台位置検出
手段と、標準体格の被検者の身長及び撮影部位間の距離
を予め記憶しておく標準体格情報記憶手段とを有し、前
記天板位置検出手段及び寝台位置検出手段で検出した天
板及び寝台の現在位置と前記標準体格情報記憶手段に記
憶してある被検者の身長及び撮影部位間の距離情報とか
ら前記天板及び寝台を前記撮影部位指定入力手段で指定
した撮影部位から前記撮影系の撮影領域まで移動させる
距離を算出しこの算出した移動距離を入力して前記天板
及び寝台を前記撮影系の撮影領域に位置合わせする。(2) A control in which the subject is placed on a tabletop, the tabletop is supported by a bed, and the tabletop and the bed are moved to position the subject in a photographing area of a photographing system. In the couch control device of the medical diagnostic apparatus, the control means includes: an imaging part designation inputting means for designating and inputting an imaging part of the subject; and a top position for detecting the position of the top. Detecting means, a couch position detecting means for detecting the position of the couch, and standard physique information storage means for preliminarily storing the height of the subject of standard physique and the distance between the imaging parts; The table and the bed are detected from the current position of the table and the bed detected by the position detection means and the bed position detection means, and the height information of the subject and the distance information between the imaging parts stored in the standard physique information storage means. Before the imaging part specified by the imaging part specification input means A distance to be moved to the photographing area of the photographing system is calculated, and the calculated moving distance is input to align the tabletop and the bed with the photographing area of the photographing system.
【０００９】（3）前記（2）の制御手段に、前記被検者
の身長及び撮影部位間の距離を入力する被検者体格情報
入力手段と、この被検者体格情報入力手段から入力され
た被検者の身長及び撮影部位間の距離と前記標準体格情
報記憶手段に記憶してある被検者の身長及び撮影部位間
の距離情報とから前記天板及び寝台を前記撮影部位指定
入力手段で指定した撮影部位から前記撮影系の撮影領域
まで移動させる距離を補正する距離補正手段を設け、こ
の距離補正手段で補正した距離を入力して前記天板及び
寝台を前記撮影系の撮影領域に位置合わせする。(3) Subject control information input means for inputting the height of the subject and the distance between the imaging parts to the control means of (2), and input from the subject physique information input means. The table and the bed are input to the imaging part designation input means from the height of the subject and the distance between the imaging parts and the distance information between the height and the imaging part of the subject stored in the standard physique information storage means. Providing distance correction means for correcting the distance to be moved from the imaging part specified in the above to the imaging area of the imaging system, inputting the distance corrected by this distance correction means, and moving the top and the bed to the imaging area of the imaging system Align.
【００１０】（4）前記（1）、（2）、（3）に被検者の
撮影部位を指定しこれを入力する撮影部位指定入力手段
に前記指定した撮影部位を表示する撮影部位指定表示手
段を設ける。(4) An imaging part designation display for displaying the designated imaging part on the imaging part designation input means for designating and inputting the imaging part of the subject in (1), (2) and (3). Means are provided.
【００１１】[0011]
【発明の実施の形態】本発明は、撮影部位を撮影系の撮
影領域内に自動的に位置合わせできるようにしたもので
ある。以下、Ｘ線ＣＴ装置に本発明を適用する例につい
て説明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration of an imaging system according to an embodiment of the present invention. Hereinafter, an example in which the present invention is applied to an X-ray CT apparatus will be described.
【００１２】図１は、スキャナ２と、被検者５を寝載す
る天板３と、この天板３を支持する寝台４との配置関係
を示す図である。スキャナ２は、被検者５を撮影系の撮
影領域内にいれるための開口部２ａを有する回転部（図
示省略）と、この回転部に、前記被検者にＸ線を照射す
るＸ線管と該被検者を挟んで前記Ｘ線管に対向する位置
に配置したＸ線検出器等とで撮影系を構成して成る。FIG. 1 is a diagram showing an arrangement relationship between a scanner 2, a top board 3 on which a subject 5 is placed, and a bed 4 supporting the top board 3. As shown in FIG. The scanner 2 includes a rotating unit (not shown) having an opening 2a for bringing the subject 5 into an imaging region of an imaging system, and an X-ray tube that irradiates the rotating unit with X-rays to the subject. And an X-ray detector or the like arranged at a position facing the X-ray tube with the subject interposed therebetween.
【００１３】被検者５は天板３に載置され、この天板３
は寝台４で支持される。前記寝台４は被検者５を載せた
天板３を上昇、下降する図示省略の昇降機構を有し、天
板３は被検者５を上下方向（被検者の体軸方向）に移動
する図示省略の上下移動機構を有している。The subject 5 is placed on the top 3 and this top 3
Are supported by the bed 4. The couch 4 has a lifting mechanism (not shown) that raises and lowers the top 3 on which the subject 5 is placed, and the top 3 moves the subject 5 vertically (in the body axis direction of the subject). And a vertical movement mechanism (not shown).
【００１４】そして、天板３に載置された被検者５は、
前記の昇降機構及び上下移動機構を用いて目的の撮影部
位に位置合わせされて（被検者５は前記開口部２ａ内の
撮影系の中心の位置に配置される）、前記回転部が被検
者の周囲を回転して投影データを計測する。本発明は、
寝台の昇降、天板の上下位置を移動制御して被検者５の
頭部、胸部、腹部等の撮影部位を前記撮影系の撮影中心
に自動的に位置合わせできるようにしたものである。The subject 5 placed on the table 3 is
The subject is positioned at the target imaging region using the lifting mechanism and the vertical movement mechanism (the subject 5 is disposed at the center of the imaging system in the opening 2a), and the rotating unit is examined. Measure the projection data by rotating around the person. The present invention
The position of the subject, such as the head, chest, abdomen, etc., of the subject 5 can be automatically adjusted to the center of the imaging system by controlling the movement of the bed and the vertical position of the tabletop.
【００１５】（実施例１）図２は本発明をＸ線ＣＴ装置
に適用した第一の実施例の装置構成を示す図で、操作卓
１と、スキャナ２と、上部に天板３を載置した寝台４と
から成る。操作卓１には、計測条件や撮影部位（頭部、
胸部、腹部等）等を入力する入力装置11と、これらの入
力された情報等を記憶する記憶装置21等が設けられてい
る。スキャナ2には、ここからでも計測条件や撮影部位
（頭部、胸部、腹部等）等が入力でき、かつ撮影部位に
応じて自動的に該部位を撮影系の中心に移動させる指令
を入力するための撮影部位位置合わせスイッチ22を含む
入力装置21と、この入力装置21からの入力信号等を記憶
する記憶装置23と、寝台、天板を位置制御する制御装置
50等を有している。天板3と寝台4は、天板を上下方向に
移動させる駆動源であるモータ31と、このモータ31に連
結され該天板の絶対位置を検出する位置検出器32と、寝
台を昇降させる駆動源であるモータ41と、このモータ41
に連結され該寝台の絶対位置を検出する位置検出器42な
どを備えている。前記天板３の絶対位置を検出する位置
検出器32と寝台４の絶対位置を検出する位置検出器42に
は公知のポテンショメータやアブソリュートエンコーダ
等が使用され、前記撮影部位位置合わせスイッチ22に
は、どの部位を選択したかがわかるようにするために図
３に示すような表示器22aを設ける。また、前記記憶装
置12、23は、標準的な体格を有する被検者の頭部、胸
部、腹部等の情報や、前記入力装置１１または２１から
標準以外の体格を有する被検者の体格情報を入力し、こ
れを記憶する機能を有する。このような構成の装置を用
いて、Ｘ線ＣＴ装置の被検者の撮影部位を撮影系の撮影
領域に位置合わせする動作について図３のフローチャー
トを用いて詳細に説明する。(Embodiment 1) FIG. 2 is a view showing an apparatus configuration of a first embodiment in which the present invention is applied to an X-ray CT apparatus. A console 1, a scanner 2, and a top plate 3 are mounted on an upper part. And a bed 4 placed thereon. The operation console 1 includes measurement conditions and imaging parts (head,
An input device 11 for inputting the chest, abdomen, etc.) and a storage device 21 for storing the input information and the like are provided. The scanner 2 can also input measurement conditions and imaging parts (head, chest, abdomen, etc.) from here, and input a command to automatically move the parts to the center of the imaging system according to the imaging part. Device 21 including an imaging part positioning switch 22 for storing, a storage device 23 for storing input signals and the like from the input device 21, and a control device for controlling the position of the couch and the couchtop
Has 50 mag. The couchtop 3 and the couch 4 include a motor 31 serving as a drive source for moving the couchtop in the vertical direction, a position detector 32 connected to the motor 31 for detecting an absolute position of the couchtop, and a drive for moving the couch up and down. The motor 41 as a source and the motor 41
, And a position detector 42 for detecting the absolute position of the bed. A well-known potentiometer, an absolute encoder, or the like is used for the position detector 32 for detecting the absolute position of the table 3 and the position detector 42 for detecting the absolute position of the bed 4. An indicator 22a as shown in FIG. 3 is provided so that the user can know which part has been selected. Further, the storage devices 12 and 23 store information on the head, chest, abdomen, and the like of the subject having a standard physique, and physique information of the subject having a non-standard physique from the input device 11 or 21. And has a function of storing the input. The operation of aligning the imaging region of the subject with the X-ray CT apparatus to the imaging region of the imaging system using the apparatus having such a configuration will be described in detail with reference to the flowchart of FIG.
【００１６】（1）被検者５を寝台４の上の天板３に載
置する。(1) The subject 5 is placed on the top 3 on the bed 4.
【００１７】（2）撮影部位の選択 操作者は操作卓１の入力装置11やスキャナ２の入力装置
21を用いて被検者の撮影部位、つまり頭部、胸部、腹部
等のどこを撮影するかを選択し入力する。この選択され
た撮影部位は撮影部位位置合わせスイッチ22の表示器22
aに図４のように表示される（この場合は頭部を選択し
た例）。なお、撮影部位を切り換える場合は前記入力装
置11やスキャナ２の入力装置21を用いて撮影部位を変更
する指令を入力すれば良い。(2) Selection of imaging part The operator operates the input device 11 of the console 1 or the input device of the scanner 2
Using 21, the user selects and inputs an imaging part of the subject, that is, a part to be imaged, such as the head, chest, and abdomen. The selected imaging region is displayed on the display 22 of the imaging region alignment switch 22.
A is displayed as shown in FIG. 4A (in this case, an example in which the head is selected). When switching the imaging region, a command to change the imaging region may be input using the input device 11 or the input device 21 of the scanner 2.
【００１８】（3）撮影部位位置合わせスイッチを押し
続ける。スキャナ２上に設けられた撮影部位位置合わせ
スイッチ22を押し続けると、スキャナ２は寝台用モータ
と天板用モータを回転させ、これらの回転駆動力を図示
省略の昇降駆動機構、上下移動機構により前記寝台及び
天板は昇降、上下方向に移動して被検者の撮影部位を撮
影系の中心位置である目標位置に到達するように移動制
御される。この移動制御において、目標位置は以下の
（4）により求められる。なお、前記撮影部位位置合わ
せスイッチ22は寝台の近傍に設けて、位置合わせの間は
これを押し続けるようにすることによって安全性を確保
することができる。(3) Press and hold down the imaging region positioning switch. When the imaging region positioning switch 22 provided on the scanner 2 is continuously pressed, the scanner 2 rotates the bed motor and the top plate motor, and the rotational driving force thereof is increased by an elevation drive mechanism and a vertical movement mechanism (not shown). The bed and the top are moved up and down and moved up and down to control the movement of the subject to be imaged so as to reach the target position which is the center position of the imaging system. In this movement control, the target position is obtained by the following (4). It should be noted that the imaging part positioning switch 22 is provided near the bed and kept pressed during positioning to ensure safety.
【００１９】（4）目標位置までの距離を求める。図１
に示す撮影系の撮影領域の中心Ｑの位置である目標位置
までの距離、すなわち寝台４の高さｈと天板３の移動距
離ｘを被検者の体格情報と寝台及び天板の現在位置情報
とから以下のようにして求める。(4) Find the distance to the target position. FIG.
The distance to the target position, which is the position of the center Q of the imaging area of the imaging system shown in FIG. It is obtained from the information as follows.
【００２０】1）標準体格の被検者情報を用いる場合 a）標準体格の被検者の場合 標準的な体格の被検者の身長及び頭部、胸部、腹部等の
各撮影部位間の距離を予め記憶装置12あるいは23に記憶
しておき、これを読み出して前記身長及び頭部、胸部、
腹部等の各撮影部位間の距離を制御装置50の距離演算部
（図示省略）にセットする。1) In the case of using the information of the subject having the standard physique a) In the case of the subject having the standard physique, the height of the subject having the standard physique and the distance between each imaging part such as the head, the chest, the abdomen, etc. Is stored in advance in the storage device 12 or 23, and the height and head, chest,
The distance between the imaging parts such as the abdomen is set in a distance calculation unit (not shown) of the control device 50.
【００２１】一方、寝台と天板の現在位置は位置検出器
42と32の出力を制御装置50に取り込み、該制御装置50内
の距離演算部で被検者の身長及び頭部、胸部、腹部等の
各撮影部位間の距離と前記寝台と天板の現在位置とから
目標移動距離である寝台４の高さｈと天板３の移動距離
ｘを求める。On the other hand, the current position of the bed and the top is a position detector.
The outputs of 42 and 32 are taken into the control device 50, and the distance calculation unit in the control device 50 calculates the height of the subject and the distance between the imaging parts such as the head, chest, abdomen, etc. From the position, the height h of the bed 4 and the moving distance x of the top 3 which are the target moving distances are obtained.
【００２２】b）標準体格以外の被検者の場合 上記a）の方法は、身長などが異なると自ずと目標移動
距離に差が生じるので、被検者の体格差、すなわち身長
及び頭部、胸部、腹部等の各撮影部位間の距離を補正し
なければならない。そこで、これを補正する補正演算手
段（図示省略）を前記制御装置50内に設けておいてこれ
により補正する。この場合、当該被検者の体格情報を入
力装置11やスキャナ２の入力装置21より入力し、当該被
検者と標準的な被検者との身長及び頭部、胸部、腹部等
の各撮影部位間の距離差を前記補正演算手段により求
め、これにより標準者の体格情報で求めた目標移動距離
を補正して、当該被検者に応じた寝台４の高さｈと天板
３の移動距離ｘを求める。B) In the case of a subject other than the standard physique In the method of a), a difference in height or the like naturally causes a difference in the target movement distance. Therefore, the physique difference of the subject, that is, the height, the head, and the chest. The distance between the imaging parts such as the abdomen and the like must be corrected. Therefore, a correction operation means (not shown) for correcting this is provided in the control device 50, and the correction is performed by this. In this case, the physique information of the subject is input from the input device 11 or the input device 21 of the scanner 2, and the height and head, chest, abdomen, etc. of the subject and the standard subject are photographed. The distance difference between the parts is obtained by the correction calculating means, and the target movement distance obtained by the physique information of the standard person is corrected by this, and the height h of the bed 4 and the movement of the top 3 according to the subject are corrected. Find the distance x.
【００２３】2）標準体格の被検者情報を用いない場合 これは、当該被検者の体格情報を入力装置11やスキャナ
２の入力装置21より入力して、この情報と寝台、天板の
現在位置情報とから直接目標移動距離である寝台４の高
さｈと天板３の移動距離ｘを求める。2) When the subject information of the standard physique is not used In this case, the physique information of the subject is input from the input device 11 or the input device 21 of the scanner 2, and this information is input to the bed and the table top. From the current position information, the height h of the bed 4 and the moving distance x of the top 3 which are the target moving distances are directly obtained.
【００２４】（5）寝台、天板モータ駆動 寝台天板を目標位置に移動させて被検者の撮影部位を撮
影系の撮影領域の中心に位置合わせする。前記（3）で
求めた撮影系の撮影領域の中心Ｑの位置である目標位置
まで被検者の撮影部位を移動させる。目標距離である寝
台４の高さｈと天板３の移動距離の値ｘと前記寝台の位
置検出器42と天板の位置検出器32からの出力信号との差
が０になるように前記寝台用モータと天板用モータを駆
動制御して、寝台及び天板を目標位置に移動制御して被
検者の撮影部位を撮影系の撮影領域の中心に位置合わせ
する。(5) Driving the bed and top motor The bed top is moved to the target position to position the subject's imaging region at the center of the imaging area of the imaging system. The imaging part of the subject is moved to a target position which is the position of the center Q of the imaging area of the imaging system obtained in (3). The difference between the height h of the bed 4 that is the target distance, the value x of the moving distance of the couchtop 3 and the output signal from the couch position detector 42 and the couchtop position detector 32 becomes zero. The bed motor and the top motor are driven and controlled to move the couch and the top to target positions, thereby aligning the subject's imaging region with the center of the imaging area of the imaging system.
【００２５】この動作中に撮影部位位置合わせスイッチ
22がオンしていることを確認し、オンしている間は前記
動作を続け、オフしている時は部位選択に戻る。そして
寝台、天板が移動し、目標位置に達していないときは寝
台用モータ、天板用モータ駆動を続行させ、目標位置に
達したならば寝台用モータと天板用モータを停止させ
て、被検者の撮影部位を撮影系の撮影領域の中心に保持
し、撮影動作に移る。During this operation, the imaging region positioning switch
After confirming that 22 is on, the above operation is continued while it is on, and when it is off, it returns to the site selection. And the couch, the couch top moves, and when not reaching the target position, the couch motor and the couch top motor continue to be driven, and when the couch reaches the target position, the couch motor and the couch top motor are stopped. The imaging part of the subject is held at the center of the imaging area of the imaging system, and the operation proceeds to the imaging operation.
【００２６】以上により、本発明は、撮影部位毎に撮影
部位位置合わせスイッチを設けるようにしたので、短時
間で被検者の撮影部位を撮影系の撮影領域の中心に位置
合わせすることができるが、本発明はこれに限定するも
のではなく、上記（4）の1）のa）の標準的な体格の被
検者情報のみでおおよその位置合わせをしておいて、細
かい位置合わせは従来の上下方向スイッチや昇降スイッ
チを用いて手動で行うようにしても良い。As described above, according to the present invention, since the imaging part positioning switch is provided for each imaging part, the imaging part of the subject can be positioned at the center of the imaging area of the imaging system in a short time. However, the present invention is not limited to this, and the approximate alignment is performed only with the subject information of the standard physique of the above (4) 1) a). May be manually performed using the vertical switch or the elevating switch.
【００２７】なお、本発明は、一般のＸ線診断装置やＭ
ＲＩ等の他の医用画像診断装置にも適用可能である。例
えば、ＭＲＩ装置の場合にも被検者を載置する寝台があ
り、被検者の撮影部位毎に撮影部位位置合わせスイッチ
を設け、このスイッチを押すことによって上記実施例と
同様にＭＲＩ装置の撮影領域中央付近に被検者の撮影部
位を位置合わせすることが可能である。The present invention relates to a general X-ray diagnostic apparatus and M
The present invention is also applicable to other medical image diagnostic apparatuses such as RI. For example, even in the case of the MRI apparatus, there is a bed on which the subject is placed, and an imaging part alignment switch is provided for each imaging part of the subject. It is possible to position the imaging region of the subject near the center of the imaging region.
【００２８】[0028]
【発明の効果】以上に説明したように、本発明によれ
ば、被検者の撮影部位毎に設けた撮影部位位置合わせス
イッチを操作するだけで、該被検者の撮影部位を撮影系
の撮影領域内に自動的に短時間で位置合わせできるの
で、これにより位置合わせ操作の煩わしさを解消でき
る。As described above, according to the present invention, the imaging region of the subject can be changed by simply operating the imaging region alignment switch provided for each imaging region of the subject. Since the positioning can be automatically performed within a short time in the photographing area, the trouble of the positioning operation can be eliminated.
【図１】Ｘ線ＣＴ装置のスキャナ、天板、寝台の配置関
係を示す図。FIG. 1 is a diagram showing an arrangement relationship of a scanner, a top plate, and a bed of an X-ray CT apparatus.
【図２】本発明をＸ線ＣＴ装置に適用した第一の実施例
の装置構成を示す図。FIG. 2 is a diagram showing an apparatus configuration of a first embodiment in which the present invention is applied to an X-ray CT apparatus.
【図３】被検者の撮影部位を撮影系の撮影領域に位置合
わせするフローチャート。FIG. 3 is a flowchart for aligning an imaging region of a subject with an imaging region of an imaging system.
【図４】撮影部位位置合わせスイッチ部の表示器に選択
した部位を表示した例。FIG. 4 is an example in which a selected part is displayed on a display unit of an imaging part positioning switch unit.
１ 操作卓、２ スキャナ、２ａ 開口部、３ 天板、
４ 寝台、５ 被検者、１１ 入力装置、１２ 記憶装
置、２１ 入力装置、２２撮影部位位置合わせスイッ
チ、２２ａ 撮影部位位置合わせスイッチの表示器、２
３ 記憶装置、３１ 天板駆動モータ、３２ 天板位置
検出器、４１ 寝台駆動モータ、４２ 寝台位置検出
器、５０ 制御装置1 console, 2 scanner, 2a opening, 3 top plate,
4 bed, 5 subject, 11 input device, 12 storage device, 21 input device, 22 imaging region alignment switch, 22a display of imaging region alignment switch, 2
3 storage device, 31 top drive motor, 32 top position detector, 41 bed drive motor, 42 bed position detector, 50 controller
Claims (4)
で支持して前記天板及び寝台を移動させて前記被検者を
撮影系の撮影領域に位置合わせする制御手段を備えた医
用診断装置の寝台制御装置において、前記制御手段は、
前記被検者の身長及び撮影部位間の距離を入力する被検
者体格情報入力手段と、前記被検者の撮影部位を指定し
これを入力する撮影部位指定入力手段と、前記天板の位
置を検出する天板位置検出手段と、前記寝台の位置を検
出する寝台位置検出手段とを有し、前記天板位置検出手
段及び寝台位置検出手段で検出した天板及び寝台の現在
位置と前記被検者体格情報入力手段から入力した該被検
者の身長及び撮影部位間の距離情報とから前記天板及び
寝台を前記撮影部位指定入力手段で指定した撮影部位か
ら前記撮影系の撮影領域まで移動させる距離を算出しこ
の算出した移動距離を入力して前記天板及び寝台を前記
撮影系の撮影領域に位置合わせすることを特徴とする医
用診断装置の寝台制御装置。1. A control means for placing a subject on a top board, supporting the top board on a bed, moving the top board and the bed, and positioning the subject in an imaging area of an imaging system. In the bed control device of the medical diagnostic apparatus having, the control means,
Subject physique information input means for inputting the height of the subject and the distance between the imaging parts; imaging part designation input means for designating and inputting the imaging part of the subject; and the position of the top plate And a couch position detecting means for detecting the position of the couch, wherein the current position of the couchtop and couch detected by the couch position detecting means and the couch position detecting means are determined by The table and the couch are moved from the imaging region specified by the imaging region designation input device to the imaging region of the imaging system based on the height of the subject and distance information between the imaging regions input from the examiner physique information input device. A bed control device for a medical diagnostic apparatus, comprising: calculating a distance to be moved; and inputting the calculated movement distance to position the table and the bed in a photographing area of the photographing system.
で支持して前記天板及び寝台を移動させて前記被検者を
撮影系の撮影領域に位置合わせする制御手段を備えた医
用診断装置の寝台制御装置において、前記制御手段は、
前記被検者の撮影部位を指定しこれを入力する撮影部位
指定入力手段と、前記天板の位置を検出する天板位置検
出手段と、前記寝台の位置を検出する寝台位置検出手段
と、標準体格の被検者の身長及び撮影部位間の距離を予
め記憶しておく標準体格情報記憶手段とを有し、前記天
板位置検出手段及び寝台位置検出手段で検出した天板及
び寝台の現在位置と前記標準体格情報記憶手段に記憶し
てある被検者の身長及び撮影部位間の距離情報とから前
記天板及び寝台を前記撮影部位指定入力手段で指定した
撮影部位から前記撮影系の撮影領域まで移動させる距離
を算出しこの算出した移動距離を入力して前記天板及び
寝台を前記撮影系の撮影領域に位置合わせすることを特
徴とする医用診断装置の寝台制御装置。2. A control means for placing a subject on a tabletop, supporting the tabletop on a bed, and moving the tabletop and the bed to position the subject on a photographing area of a photographing system. In the bed control device of the medical diagnostic apparatus having, the control means,
A photographing region designation inputting means for designating and inputting a photographing region of the subject; a tabletop position detecting device for detecting the position of the tabletop; a couch position detecting device for detecting the position of the couch; Standard physique information storage means for storing in advance the height of the physique subject and the distance between the imaging parts, and the current position of the couchtop and couch detected by the couchtop position detection means and the couch position detection means From the height of the subject and distance information between the imaging parts stored in the standard physique information storage means and the imaging part of the imaging system from the imaging part designated by the imaging part designation input means, A bed control device for a medical diagnostic apparatus, comprising: calculating a distance to be moved to the imaging device; and inputting the calculated movement distance to align the tabletop and the bed with an imaging region of the imaging system.
撮影部位間の距離を入力する被検者体格情報入力手段
と、この被検者体格情報入力手段から入力された被検者
の身長及び撮影部位間の距離と前記標準体格情報記憶手
段に記憶してある被検者の身長及び撮影部位間の距離情
報とから前記天板及び寝台を前記撮影部位指定入力手段
で指定した撮影部位から前記撮影系の撮影領域まで移動
させる距離を補正する距離補正手段を設け、この距離補
正手段で補正した距離を入力して前記天板及び寝台を前
記撮影系の撮影領域に位置合わせすることを特徴とする
請求項２に記載の医用診断装置の寝台制御装置。3. The subject physique information input means for inputting the height of the subject and the distance between the imaging parts to the control means, and the subject physique information input from the subject physique information input means. The imaging part in which the top plate and the bed are designated by the imaging part designation input means from the height and the distance between the imaging parts and the height information of the subject and the distance information between the imaging parts stored in the standard physique information storage means A distance correcting means for correcting a distance to be moved from the distance to the photographing area of the photographing system, and inputting the distance corrected by the distance correcting means to align the tabletop and the bed with the photographing area of the photographing system. The bed control device for a medical diagnostic apparatus according to claim 2, wherein
力する撮影部位指定入力手段に前記指定した撮影部位を
表示する撮影部位指定表示手段を設けることを特徴とす
る請求項１、２、３の医用診断装置の寝台制御装置。4. An imaging part designation input means for designating and inputting a part to be imaged of a subject is provided with an imaging part designation display means for displaying the designated imaging part. 3. The bed control device of the medical diagnostic device of 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000356389A JP2002159485A (en) | 2000-11-22 | 2000-11-22 | Device for controlling bed for medical diagnostic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000356389A JP2002159485A (en) | 2000-11-22 | 2000-11-22 | Device for controlling bed for medical diagnostic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002159485A true JP2002159485A (en) | 2002-06-04 |
Family
ID=18828649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000356389A Pending JP2002159485A (en) | 2000-11-22 | 2000-11-22 | Device for controlling bed for medical diagnostic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002159485A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006061194A (en) * | 2004-08-24 | 2006-03-09 | Ge Medical Systems Global Technology Co Llc | Tomogram photographing apparatus |
| JP2009297348A (en) * | 2008-06-16 | 2009-12-24 | Toshiba Corp | Ct apparatus and its processing method |
| JP2010094205A (en) * | 2008-10-15 | 2010-04-30 | Fujifilm Corp | Radiographic image detection apparatus |
| JP2011015912A (en) * | 2009-07-10 | 2011-01-27 | Toshiba Corp | X-ray diagnostic apparatus |
| JP2014094307A (en) * | 2014-01-08 | 2014-05-22 | Toshiba Corp | X-ray diagnostic apparatus |
| US11185302B2 (en) * | 2018-10-24 | 2021-11-30 | Canon Medical Systems Corporation | Medical image diagnostic apparatus, medical image diagnosis method, and storage medium |
-
2000
- 2000-11-22 JP JP2000356389A patent/JP2002159485A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006061194A (en) * | 2004-08-24 | 2006-03-09 | Ge Medical Systems Global Technology Co Llc | Tomogram photographing apparatus |
| JP2009297348A (en) * | 2008-06-16 | 2009-12-24 | Toshiba Corp | Ct apparatus and its processing method |
| JP2010094205A (en) * | 2008-10-15 | 2010-04-30 | Fujifilm Corp | Radiographic image detection apparatus |
| JP2011015912A (en) * | 2009-07-10 | 2011-01-27 | Toshiba Corp | X-ray diagnostic apparatus |
| JP2014094307A (en) * | 2014-01-08 | 2014-05-22 | Toshiba Corp | X-ray diagnostic apparatus |
| US11185302B2 (en) * | 2018-10-24 | 2021-11-30 | Canon Medical Systems Corporation | Medical image diagnostic apparatus, medical image diagnosis method, and storage medium |
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