JP4912106B2 - Patient fixing device - Google Patents

Patient fixing device Download PDF

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Publication number
JP4912106B2
JP4912106B2 JP2006270366A JP2006270366A JP4912106B2 JP 4912106 B2 JP4912106 B2 JP 4912106B2 JP 2006270366 A JP2006270366 A JP 2006270366A JP 2006270366 A JP2006270366 A JP 2006270366A JP 4912106 B2 JP4912106 B2 JP 4912106B2
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subject
top plate
fixing
belt
patient
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JP2008086546A (en
JP2008086546A5 (en
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圭三 齋藤
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Hitachi Healthcare Manufacturing Ltd
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Hitachi Medical Corp
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本発明はCT装置やMRI装置、X線診断装置、量子線治療装置等に設置された天板が可動する寝台に被検者を固定するための被検者固定装置に関する。   The present invention relates to a subject fixing device for fixing a subject to a bed on which a top plate installed in a CT apparatus, an MRI apparatus, an X-ray diagnostic apparatus, a quantum beam therapy apparatus, etc. is movable.

従来この種の装置には、寝台に横になった被検査者が検査中に動かないように固定する被検者固定装置が設けられている(例えば特許文献１，2)。
特許公開2000-279460号公報 特許公開2005-80948号公報 前記特許文献1は、「患者載置用テーブル装置」の天板の側部にパイルテープとフックテープからなる接着テープによりアタッチメントベルトの一端側を着脱自在に取り付けると共に、アタッチメントベルトの他端に設けられた受け部内に固定ベルトの一端側に形成された鉤型形状の嵌め込み部を嵌合したもので、固定ベルトにより被検体を固定した際、固定ベルトをアタッチメントベルトから引き抜こうとする力が加わっても、受け部に締め付け力が発生するため、アタッチメントベルトより固定ベルトが抜け外れることがない等の効果を有している。 Conventionally, this type of apparatus is provided with a subject fixing device that fixes the subject lying on the bed so that the subject does not move during the examination (for example, Patent Documents 1 and 2).
Japanese Patent Publication No. 2000-279460 Patent Publication 2005-80948 Patent Document 1 discloses that one end side of an attachment belt is detachably attached to a side portion of a top plate of a `` patient placement table device '' with an adhesive tape made of a pile tape and a hook tape, A hook-shaped fitting part formed on one end of the fixing belt is fitted in a receiving part provided on the other end of the attachment belt. When the subject is fixed by the fixing belt, the fixing belt is removed from the attachment belt. Even if a force for pulling out is applied, a tightening force is generated in the receiving portion, so that there is an effect that the fixing belt does not come off from the attachment belt.

また、特許文献2天板の両側に設けられ、かつ長手方向に溝を有する係止レールと、溝より係止レール内に圧入することにより、係止レールの任意な位置に係止自在な係止部材と、係止レールより係止部材を離脱させる離脱手段と、係止部材に端部が取り付けられ、かつ天板に前記被検者を固定する固定ベルトとから構成したものである。   Further, Patent Document 2 is provided on both sides of the top plate and has a locking rail having a groove in the longitudinal direction, and a lock that can be locked at an arbitrary position of the locking rail by press-fitting into the locking rail from the groove. It comprises a stop member, a detaching means for detaching the lock member from the lock rail, and a fixing belt having an end attached to the lock member and fixing the subject to the top plate.

しかし前記特許文献1，2共に患者固定ベルト未使用時自然に垂れ下がる状態になる。元来患者固定用寝台の天板は、患者固定用寝台の上下動部に比べて幅が狭く出来ており、この状態で患者固定用寝台の天板部を前後に動かした場合この患者固定ベルトを巻き込む可能性がある。
これに対して未使用時取り外すことを前提にしているため、未使用時の患者固定ベルトの扱いに対しては特に工夫をしていない。 However, both Patent Documents 1 and 2 are in a state where they hang down naturally when the patient fixing belt is not used. Originally, the top of the patient-fixing couch is narrower than the vertical movement of the patient-fixing couch. In this state, when the top of the patient-fixing couch is moved back and forth, this patient fixing belt May be involved.
On the other hand, since it is assumed to be removed when not in use, no special measures are taken for handling the patient fixing belt when not in use.

しかし、実際の臨床現場を見ると固定ベルトを垂れ下げた状態で天板に被検者を載置したり、天板からストレッチャへ被検者を移動する作業を行うことが多い。特に緊急を要する被検体の場合、固定ベルト取外しをしないままスキャンをしてしまうことが多々ある。
その結果垂れ下がった固定ベルトを天板の可動部と寝台上下部に挟み込んで固定ベルトや受け部等を損傷させたり、最悪の場合、スキャンシーケンスを中断し被検体に無効被曝させる危険がある。 However, when viewing the actual clinical site, the subject is often placed on the top plate with the fixed belt hanging down, or the subject is moved from the top plate to the stretcher. In particular, in the case of an urgent subject, scanning is often performed without removing the fixing belt.
As a result, there is a risk that the fixed belt that hangs down is sandwiched between the movable part of the top plate and the upper and lower parts of the bed to damage the fixed belt and the receiving part, or in the worst case, the scan sequence is interrupted and the subject is ineffectively exposed.

本発明の被検者固定装置は、被検者を載置する寝台の天板の両脇にそれぞれ備えられ、前記被検者を前記天板に固定する一対の被検者固定装置であって、前記各被検者固定装置は、一端が天板の脇に接続され、一方の側に、複数の半径規制部が貼り付けられており、該複数の半径規制部には、隣り合う半径規制部に隙間が空けられていて、隣り合う半径規制部間がぶつかり合うことにより、前記一方の側への曲げ半径が規制されるようになっていることを特徴とする被検者固定装置。
The subject fixing device of the present invention is a pair of subject fixing devices that are respectively provided on both sides of a top plate of a bed on which the subject is placed, and fix the subject to the top plate. Each of the subject fixing devices has one end connected to the side of the top plate and a plurality of radius restricting portions attached to one side, and the plurality of radius restricting portions are adjacent to each other. The subject fixing device is characterized in that a gap is formed in a portion, and a bending radius to the one side is regulated by collision between adjacent radius regulating portions .

本発明はかかる従来の問題を改善するためになされたもので、天板動作により天板可動部と寝台固定部の間に巻き込まれにくい被検者固定装置を提供することを目的とするものである。   The present invention has been made to improve such conventional problems, and it is an object of the present invention to provide a subject fixing device that is less likely to be caught between the top plate movable portion and the bed fixing portion by the top plate operation. is there.

本発明の実施の形態を、図面を参照して詳述する。
図1に一般的な患者寝台の斜視図を示す。患者寝台は床に固定するベース部、上下動する上下動部、前後に動く天板からなる。寝台上部にある天板に被検体を乗せ、シーケンス中でのガントリとのシンクロ動作、あるいは操作者の操作、あるいは操作卓からの動作指令などにより、上下前後に動作する。被検体の動きは画像に影響を及ぼすこととがあるため、通常寝台に被検体固定装置を用いて固定する。 Embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a perspective view of a general patient bed. The patient bed includes a base portion fixed to the floor, a vertically moving portion that moves up and down, and a top plate that moves back and forth. The subject is placed on the top plate at the top of the bed, and is moved up and down by a synchronization operation with the gantry in the sequence, an operation by the operator, or an operation command from the console. Since the movement of the subject may affect the image, the subject is usually fixed to the bed using the subject fixing device.

図2に本発明を適用した患者寝台の斜視図を示す。通常の被検体固定装置は図6に示す断面図のように天板重力により上下動部に垂れ下がっている。しかし、本発明を適用すると、天板端面よりある角度を持って患者固定バンドを保持し、患者固定ベルト自体も円弧を描くようなベルトを使用する。   FIG. 2 shows a perspective view of a patient bed to which the present invention is applied. As shown in the cross-sectional view of FIG. 6, the normal subject fixing apparatus hangs down on the vertically moving part due to the gravity of the top plate. However, when the present invention is applied, a belt that holds the patient fixing band at an angle from the end surface of the top plate and the patient fixing belt itself forms an arc is used.

さらに詳しくは、図3，4，5を用いて説明する。図3は本発明の実施の形態になる被検者固定装置の断面図を、図4は本発明の実施の形態になる被検体を固定した状態での被検者固定装置の断面図を図5は本発明の実施の形態になる患者固定ベルトの詳細図を示す。   Further details will be described with reference to FIGS. FIG. 3 is a cross-sectional view of the subject fixing device according to the embodiment of the present invention, and FIG. 4 is a cross-sectional view of the subject fixing device in a state where the subject according to the embodiment of the present invention is fixed. 5 shows a detailed view of a patient fixing belt according to an embodiment of the present invention.

図5に示すように、患者固定ベルトにX線画像取得に問題とならないような半径規制するための物質(たとえば硬質ポリウレタン)を貼り付けて天板と上下動部の幅の差分の1/2以上の半径となるように半径規制部を形成する。このとき患者固定ベルトへの半径規制するための物質の貼り付けは、たとえば接着剤、たとえば縫い付けとする。このとき半径規制するための物質の厚さdと隣り合った半径規制するための物質との距離lは以下の式を満足する。
１＜ｄ As shown in FIG. 5, a radius-controlling substance (for example, hard polyurethane) is attached to the patient fixing belt so as not to cause a problem in X-ray image acquisition, and 1/2 of the difference between the width of the top plate and the vertical movement part The radius restricting portion is formed to have the above radius. At this time, the attachment of the substance for regulating the radius to the patient fixing belt is, for example, an adhesive, for example, sewing. At this time, the distance l between the thickness d of the substance for regulating the radius and the adjacent substance for regulating the radius satisfies the following expression.
1 <d

また、天板ベルト接続部には天板と接続した場合、天板からある角度を保持するような張りを持つ構造とする。これにより、一方向にはある曲げ半径以下にならないが反対側には自由に曲がる患者固定ベルトを構成できる。
実施形態の被検者固定装置は、被検者を載置する寝台の天板に被検者を固定する被検者固定装置であって、前記天板と被検者を固定する固定ベルトを接続する接続部、および固定ベルトと固定ベルトの接続角度の保持をするから保持部と、固定ベルトの曲げ半径を規制する半径規制部とから構成したものである。 Further, the top plate belt connecting portion is structured to have a tension so as to hold a certain angle from the top plate when connected to the top plate. This makes it possible to construct a patient fixing belt that does not fall below a certain bending radius in one direction but can bend freely on the opposite side.
A subject fixing device according to an embodiment is a subject fixing device that fixes a subject to a top plate of a bed on which the subject is placed, and includes a fixing belt that fixes the subject to the top plate. The connecting portion to be connected, the holding portion that holds the connection angle between the fixed belt and the fixed belt, and a radius restricting portion that restricts the bending radius of the fixed belt are configured.

固定ベルトの天板接続部に患者固定ベルトが任意の角度を描くように保持部を実装する。また、患者固定ベルト一方向には任意に曲げることが出来るが、反対方向には緩やかな弧を描くようにしか曲げることが出来ない半径規制部を配し、固定ベルト未使用時に天板可動部を支える寝台上下動部の幅より内側に患者固定ベルトが入らないようなる。
これにより、患者固定ベルトを未使用時には、天板可動部と寝台上下動部との間に前記固定ベルトが巻き込まれることを未然に防ぐことが出来る。
また、着脱の容易な接続部を使用した場合。固定ベルトの描く円弧が目立つため、固定ベルト未使用時にこれをとり外し忘れを防止することが出来る。 A holding part is mounted on the top plate connecting part of the fixing belt so that the patient fixing belt forms an arbitrary angle. In addition, the patient fixing belt can be bent arbitrarily in one direction, but in the opposite direction a radius restricting part that can only be bent so as to draw a gentle arc is arranged, and the top plate movable part when the fixing belt is not used The patient fixing belt is prevented from entering inside the width of the bed vertical movement part that supports the bed.
Thereby, when the patient fixing belt is not used, the fixing belt can be prevented from being caught between the top plate movable portion and the bed vertical movement portion.
Also, when connecting parts that are easy to attach and detach are used. Since the arc drawn by the fixing belt is conspicuous, it is possible to prevent forgetting to remove it when the fixing belt is not used.

前記説明した通り、本発明を適用した場合、患者固定ベルトの存在に気付きやすく取り外し忘れることを防止できる。また、患者固定ベルトを実装したまま未使用でテーブル移動した場合でも、固定ベルトをはさみこむ危険性が少なくなる。
これにより、垂れ下がった固定ベルトを天板の可動部と寝台上下部に挟み込んで固定ベルトや受け部等を損傷させたり、最悪の場合、スキャンシーケンスを中断し被検体に無効被曝させる危険を回避することが出来、天板動作により天板可動部と寝台固定部の間に巻き込まれにくい被検者固定装置を提供することができる。 As described above, when the present invention is applied, it is easy to notice the presence of the patient fixing belt and it is possible to prevent the user from forgetting to remove it. Further, even when the table is moved without using the patient fixing belt, the risk of pinching the fixing belt is reduced.
This avoids the risk of the hanging fixed belt being sandwiched between the movable part of the top plate and the upper and lower parts of the bed to damage the fixed belt and the receiving part, or in the worst case, interrupting the scan sequence and causing the subject to be invalidally exposed Thus, it is possible to provide a subject fixing device that is unlikely to be caught between the top plate movable portion and the bed fixing portion by the top plate operation.

本発明の被検者固定装置は、寝台に被検者を固定して検査を行う医療機器全般に適用できるものである。   The subject fixing device of the present invention can be applied to all medical devices that perform an examination by fixing a subject on a bed.

寝台の斜視図。The perspective view of a bed. 本発明の実施の形態になる被検者固定装置を備えた寝台の斜視図。The perspective view of the bed provided with the subject fixing device which becomes embodiment of this invention. 本発明の実施の形態になる被検者固定装置の断面図。Sectional drawing of the subject fixing device which becomes embodiment of this invention. 本発明の実施の形態になる被検体を固定した状態での被検者固定装置の断面 図。Sectional drawing of the subject fixing device in the state which fixed the subject which becomes embodiment of this invention. 本発明の実施の形態になる患者固定ベルトの詳細図。Detailed view of a patient fixing belt according to an embodiment of the present invention. 一般的な被検者固定装置の例を示す断面図。Sectional drawing which shows the example of a general subject fixing device.

符号の説明Explanation of symbols

１ 天板
２ 寝台上下動部
３ 寝台
４ 患者固定ベルト
５ 天板ベルト接続部
６ ベルト保持部
７ 半径規制部
８ 被検体
９ ベース部 DESCRIPTION OF SYMBOLS 1 Top plate 2 Bed vertical movement part 3 Bed 4 Patient fixing belt 5 Top plate belt connection part 6 Belt holding part 7 Radius control part 8 Subject 9 Base part

Claims (2)

被検者を載置する寝台の天板の両脇にそれぞれ備えられ、前記被検者を前記天板に固定する一対の被検者固定装置であって、A pair of subject fixing devices provided on both sides of the top plate of the bed for placing the subject, and fixing the subject to the top plate,
前記各被検者固定装置は、一端が天板の脇に接続され、一方の側に、複数の半径規制部が貼り付けられており、該複数の半径規制部には、隣り合う半径規制部に隙間が空けられていて、隣り合う半径規制部間がぶつかり合うことにより、前記一方の側への曲げ半径が規制されるようになっていることを特徴とする被検者固定装置。Each of the subject fixing devices has one end connected to the side of the top plate and a plurality of radius restricting portions attached to one side, and the plurality of radius restricting portions are adjacent to each other. The subject fixing device is characterized in that a bend radius to the one side is regulated by a gap being formed between the adjacent radius regulating parts. 請求項１に記載の被検者固定装置において、In the subject fixing device according to claim 1,
前記被検者固定装置は他方の側には、任意に曲げられることを特徴とする被検者固定装置。  The subject fixing device is optionally bent to the other side.
JP2006270366A 2006-10-02 2006-10-02 Patient fixing device Expired - Fee Related JP4912106B2 (en)

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JP2008086546A JP2008086546A (en) 2008-04-17
JP2008086546A5 JP2008086546A5 (en) 2009-11-19
JP4912106B2 true JP4912106B2 (en) 2012-04-11

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61154910A (en) * 1984-12-27 1986-07-14 ナウチノ−プロイズボドストウエンノエ、オビエデイネニエ、“ノルプラスト” Manufacture of powder from rubber and vulcanized product
JPH01268542A (en) * 1988-04-20 1989-10-26 Toshiba Corp Apparatus for fixing examinee
JPH0353207A (en) * 1989-07-20 1991-03-07 Fujikura Ltd Adhesive sucking unit
JPH03109045A (en) * 1989-09-22 1991-05-09 Toshiba Corp Apparatus for fixing subject
JP2002301059A (en) * 2001-04-05 2002-10-15 Ge Medical Systems Global Technology Co Llc Fixing band and radiography table

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