JP5189663B2 - Inspection table, other operating table, operating table linked with transfer device - Google Patents
Inspection table, other operating table, operating table linked with transfer device Download PDFInfo
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- JP5189663B2 JP5189663B2 JP2011043948A JP2011043948A JP5189663B2 JP 5189663 B2 JP5189663 B2 JP 5189663B2 JP 2011043948 A JP2011043948 A JP 2011043948A JP 2011043948 A JP2011043948 A JP 2011043948A JP 5189663 B2 JP5189663 B2 JP 5189663B2
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- 238000007689 inspection Methods 0.000 title claims description 32
- 238000012546 transfer Methods 0.000 title claims description 4
- 238000005452 bending Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010968 computed tomography angiography Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Description
本発明は、検査装置、他の手術台、患者の搬送装置等と連係する手術台に関するものであり、さらに詳しく述べるならば、MRI装置、Ｘ線ＣＴアンギオ装置、ＣＴ装置などの検査装置により患者の処置状態を観察し、その結果に基づいてさらに処置をすることができる手術台装置に関するものである。同様に、一つの手術台で手術後、特化した他の手術台に患者を搬送し、あるいは手術後患者を搬送装置に引き渡し、病床まで送るように何らかの装置と連係する手術台に関するものである。 The present invention relates to an operating table linked to an inspection apparatus, another operating table, a patient transport apparatus, and the like. More specifically, the present invention relates to a patient using an inspection apparatus such as an MRI apparatus, an X-ray CT angio apparatus, or a CT apparatus. It is related with the operating table apparatus which can observe the treatment state of and can perform further treatment based on the result. Similarly, after an operation on one operating table, the patient is transferred to another specialized operating table, or the patient is transferred to a transfer device after the operation, and is related to an operating table linked to some device so as to be sent to a hospital bed. .
手術台から離れた場所にある検査装置と連係するように構成した手術台は、特許文献１、特開２０００−２３２９６９号公報にて公知であり、この手術台においては、患者を載せた1枚天板を手術台からMRI検査装置にスライドさせて検査を行っている。 An operating table configured to be linked with an inspection apparatus located away from the operating table is known from Patent Document 1 and Japanese Patent Application Laid-Open No. 2000-232969. In this operating table, one patient is placed. The top plate is slid from the operating table to the MRI inspection device for inspection.
さらに、連係手術台ではない一般の手術台の従来技術も説明する。
特許文献２、特開２００４−１９４６８２号公報に記載した手術台は、コラムに備えられたモーターにより縦方向にスライドするテーブルに患者を載せ、テーブルの一部をＸ線透過可能な材料より構成することにより、上下からＸ線撮影できる手術台に関する。この特許文献では、Ｘ線透過領域を拡大するために、油圧シリンダー配置位置に着目し、テーブルのストロークを例えば２分割し、分割数に応じた本数、即ち２本の液圧シリンダーを平行に配置することにより、ストロークの倍距離往復スライド可能とする。したがって、この手術台は同じ手術台の領域で検査を行うものであり、場所的に離れた検査装置と連係するものではない。なお、この特許文献には、手術台の天板を互いに関節を介して連結する腰板、脚板、背板の３枚とする分割天板の記載がある。
Furthermore, the prior art of a general operating table that is not a linked operating table is also described.
The operating table described in Patent Document 2 and Japanese Patent Application Laid-Open No. 2004-194682 has a patient mounted on a table that slides in a vertical direction by a motor provided in a column, and a part of the table is made of a material that can transmit X-rays. Thus, the present invention relates to an operating table capable of X-ray imaging from above and below. In this patent document, in order to enlarge the X-ray transmission region, paying attention to the position of the hydraulic cylinder, the stroke of the table is divided into, for example, two, and the number corresponding to the number of divisions, that is, two hydraulic cylinders are arranged in parallel. By doing so, it is possible to slide back and forth twice a stroke. Therefore, this operating table is used for testing in the same operating table area, and is not linked to a remotely located testing device. In this patent document, there is a description of a divided top plate including a waist plate, a leg plate, and a back plate that connect the top plates of the operating table through joints.
特許文献３、特開２００３−３０５０９１号公報にて提案された手術台では、腰板とその前後の分割天板を関節接続し、腰板の空胴部に設けられた駆動手段により脚板及び背板を関節軸の周りに回動し、さらに背板と脚板の間は着脱自在に連結している。ここで示された構造では天板の下方に駆動手段などが配置されているから、これらがＸ線撮影を妨害し、ＭＲＩ装置では磁気発生を起こし、さらに他の手術台に移動する場合の負荷を高める。また、分割天板を関節接続する歯車は摩滅により発生する金属粉末が天板に付着して検査精度に影響する。 In the operating table proposed in Patent Document 3 and Japanese Patent Application Laid-Open No. 2003-305091, the lumbar plate and the front and rear divided top plates are jointly connected, and the leg plate and the back plate are attached by the driving means provided in the cavity portion of the lumbar plate. It rotates around the joint axis, and the back plate and leg plate are detachably connected. In the structure shown here, driving means and the like are arranged below the top plate, so that these interfere with X-ray imaging, the MRI apparatus generates magnetism, and further loads when moving to another operating table To increase. In addition, the gears that jointly connect the divided top plates affect the inspection accuracy because metal powder generated by abrasion adheres to the top plate.
上記した従来技術のうち、他の検査装置などと連係することを開示したものは特許文献１のみである。但し、特許文献１で提案されている１枚天板では、天板間の角度を変更して任意の箇所を手術できないので、ＭＲＩ装置で要処置箇所が発見された場合でも、手術領域に戻った際に天板間の角度を変更もしくは調整することはできない。さらに、分割天板を折り曲げた状態で手術を行ない、これを伸展して病床まで患者を運ぶなどといった臨機応変の対応をとることもできない。
特許文献２，３では、患者を支持した天板を術者が検査装置に移動させ、また手術領域に復帰させることは可能であるが、天板の付帯機構がかなりの重量となるために、術者及び補助者の負担を考えると極めて困難である。
Among the above-described conventional techniques, only Patent Document 1 discloses that it is linked with other inspection apparatuses. However, since the single top plate proposed in Patent Document 1 cannot be operated at an arbitrary location by changing the angle between the top plates, even if a required treatment location is found by the MRI apparatus, the procedure returns to the operation area. The angle between the tops cannot be changed or adjusted. Furthermore, it is not possible to take a flexible response such as performing an operation with the divided top plate folded and extending the patient to the bed.
In Patent Documents 2 and 3, it is possible for the operator to move the top plate supporting the patient to the inspection device and return it to the surgical area, but the auxiliary mechanism of the top plate becomes a considerable weight, Considering the burden on the surgeon and assistant, it is extremely difficult.
したがって、本発明は、MRI装置、Ｘ線ＣＴアンギオ装置、ＣＴ装置などの検査装置や、他の手術台、搬送装置などと連係する手術台において、より確実に検査結果を手術に反映することができ、さらに検査装置などと手術領域の間の移動に伴う機械的負荷に耐えることができる手術台を提供することを目的とする。 Therefore, the present invention can more reliably reflect the examination result in the operation in an examination table such as an MRI apparatus, an X-ray CT angiography apparatus, or a CT apparatus, or an operation table linked with another operation table, a transfer device, or the like. Furthermore, an object of the present invention is to provide an operating table capable of withstanding a mechanical load associated with movement between an inspection apparatus and an operation area.
本発明に係る、患者を支持する天板を一の手術台と、検査装置、他の手術台、搬送装置等（以下「検査装置等」と称する）との間で移動させて連係する手術台は、関節接続された背板、腰板及び脚板を有する一の手術台フレームに担持されるとともに、縦方向に分割された背板、腰板及び脚板（以下「天板各板」と称する）からなる前記天板が、天板各板の横方向の内部両側に形成された溝と、この溝内に配置され、（イ）背板側スライド、腰板側固定、（ロ）背板側固定、腰板側スライド、又は（ハ）背板側スライド、腰板側スライドの何れか、及び（ニ）腰板側スライド、脚板側固定、（ホ）腰板側固定、脚板側スライド、又は（ヘ）腰板側スライド、脚板側スライドの何れかの方式により天板各板に固定されるチェーンと、前記固定方式によりスライド固定される前記チェーンの一端に連結され、該チェーンに張力を与えるばねと、を含んでなり、前記チェーン及び前記ばねはその長軸の周りに９０°回転可能に天板各板と固定されており、屈曲方向から９０°回転した前記チェーンにより面内方向のみに動作が許容される天板を一の手術台から分離し、付設した移動可能な搬送器を介して、検査装置等と連係させることを特徴とする。
蝶板プレートを、天板分割部の少なくとも一方の側に対して縦方向にスライド可能に連結した検査装置の代表例であるMRI装置と連係する手術台の例を以下、図１〜４を参照して説明する。本発明はこの蝶板プレートをチェーンに変更したものである。
An operating table according to the present invention, in which a top plate for supporting a patient is moved and linked between one operating table and an inspection device, another operating table, a transport device, etc. (hereinafter referred to as “inspection device etc.”) Is composed of a back plate, a waist plate and a leg plate (hereinafter referred to as “top plates”) which are carried by one operating table frame having a back plate, a waist plate and a leg plate connected to each other, and which are vertically divided. The top plate has grooves formed on both sides in the lateral direction of each plate of the top plate, and is disposed in the groove. (A) Back plate side slide, waist plate side fixed, (b) back plate side fixed, waist plate Side slide, or (c) Back plate side slide, waist plate side slide, and (d) Waist plate side slide, leg plate side fixed, (e) Waist plate side fixed, leg plate side slide, or (f) Waist plate side slide, A chain that is fixed to each top plate by one of the methods of sliding the leg plate side, and the fixing method A spring that is connected to one end of the chain that is slid and fixed by a spring and that applies tension to the chain, and the chain and the spring are fixed to each plate of the top plate so that the chain and the spring can be rotated by 90 ° around the long axis. The top plate, which is allowed to move only in the in-plane direction by the chain rotated 90 ° from the bending direction, is separated from one operating table and is attached to an inspection device or the like via a movable transporter provided. It is characterized by being linked .
Examples of an operating table linked to an MRI apparatus, which is a representative example of an inspection apparatus in which a butterfly plate is connected to at least one side of the top plate dividing portion in a longitudinal direction, see FIGS. To explain. In the present invention, this butterfly plate is changed to a chain.
図１は、MRI装置及び手術台ならびにこれらの周辺装置を概念的に示している。図中、１は手術台、2は患者、３，４は検査装置、他の手術台もしくは搬送装置、５は手術台フレームを支持し、駆動する通常コラムと称される手段、8は天板である。
手術台１の台車６に装着された支持・駆動手段５は、天板8を支持するフレームの昇降、紙面に直交する軸及び平行な軸の周りの回動運動を行う。さらに、手術台１のフレームは、背板、腰板及び脚板に分割されており、それぞれが独立して分割天板間の軸の周りを枢動する関節構造をもつことにより、仰臥位、半側仰臥位、半坐位、腰臥位、側臥位、コンコルド体位、縫合位、ジャックナイフ体位などをとりうる（非特許文献１、瑞穂医科工業株式会社カタログ、TABLE MODEL MST-7200シリーズ、２００３年９月発行）。
FIG. 1 conceptually shows an MRI apparatus, an operating table, and peripheral devices thereof. In the figure, 1 is an operating table, 2 is a patient, 3 and 4 are inspection devices, other operating tables or transport devices, 5 is a means called a normal column that supports and drives the operating table frame, and 8 is a top plate It is.
The support / drive means 5 mounted on the cart 6 of the operating table 1 performs the lifting / lowering of the frame supporting the top plate 8 and the rotational movement about the axis orthogonal to the paper surface and the parallel axis. Furthermore, the frame of the operating table 1 is divided into a back plate, a lumbar plate, and a leg plate, and each has an articulated structure that independently pivots about the axis between the divided top plates. Can be in supine, semi-sitting, hip-up, lateral, concorde, stitched, and jackknife positions (Non-Patent Document 1, Mizuho Medical Co., Ltd., TABLE MODEL MST-7200 series, September 2003 Issue).
続いて、本発明が最も特徴とする天板について説明する。
天板は、縦方向に、背板、腰板及び脚板に３分割されている。これらの分割天板は、手術台フレームに坦持されており、手術台フレームの各部を折り畳みもしくは屈曲し、あるいは伸展する動作に追従して種々のポジションをとる。即ち、手術台フレームに装着された駆動手段が手術台フレームを枢動させるが、天板8は手術台フレームに追随して運動する。したがって、天板8には駆動機構は設けられていず、軽量であるために、患者とともに天板8を検査装置３，４に移動することが容易である。さらに、天板8は手術台フレームに単に置かれているだけであり、補助的に簡単な位置ずれ防止ストッパーなどを併用することはあるが、手術後手術台フレームから分離され直ちに検査装置等に天板を移動させることができる。
Next, the top plate that is most characteristic of the present invention will be described.
The top plate is divided into three in the vertical direction: a back plate, a waist plate, and a leg plate. These divided top plates are carried on the operating table frame, and take various positions following the operation of folding, bending, or extending each part of the operating table frame. That is, the driving means mounted on the operating table frame pivots the operating table frame, but the top plate 8 moves following the operating table frame. Therefore, the top plate 8 is not provided with a drive mechanism and is lightweight, so that it is easy to move the top plate 8 together with the patient to the inspection devices 3 and 4. In addition, the top plate 8 is simply placed on the operating table frame, and a simple stopper for preventing misalignment may be used together as an auxiliary. The top plate can be moved.
本発明においては、これら分割天板の間をチェーンによる関節接続構造で連結することにより、伸展・屈曲を可能にする。但し、特許文献２、３のような油圧シリンダーを用いた関節接続構造では、その構成材料である鉄などの磁性物質がＭＲＩ検査を妨げ、またＸ線を透過せずＸ線検査を妨げるおそれがある。よって、本発明の関節構造はチタン、ステンレス、強化プラスチックなどの非磁性材料から製作される。また、これらの材料からなる関節接続であっても、大型かつ/又は厚肉であると、接続部材がＸ線撮影の陰影を生じるために、小型かつ薄肉であることが必要である。厚さについては、この接続部材が天板の側面に配置される場合は、幅は特に問題にならないが、中央に配置される場合は、アルミニウム当量試験でアルミニウム当量として2ｍｍ以下が好ましい。シリンダーと同様な問題はモーター等の電気的駆動手段を利用した関節接続でも生じる。さらに、油圧シリンダーから漏れる油が分割天板に付着して検査精度を下げるおそれがある。よって、本発明の関節接続構造は上述したような検査障害をもたらさないこと、換言すると、非磁性、Ｘ線透過性、小型、機械・電気的駆動手段と非接続、圧力油を内蔵しないなどの要件を備えることが必要である。 In the present invention, these divided top plates are connected by a joint connection structure using a chain , thereby enabling extension and bending. However, in the joint connection structure using hydraulic cylinders as in Patent Documents 2 and 3, there is a risk that magnetic materials such as iron, which is a constituent material, interfere with MRI inspection and also prevent X-ray inspection without transmitting X-rays. is there. Therefore, the joint structure of the present invention is manufactured from a non-magnetic material such as titanium, stainless steel or reinforced plastic. Further, even in the joint connection made of these materials, if the connection member is large and / or thick, the connection member needs to be small and thin in order to cause a shadow of X-ray imaging. Regarding the thickness, when the connecting member is disposed on the side surface of the top plate, the width is not particularly problematic. However, when the connecting member is disposed at the center, the aluminum equivalent is preferably 2 mm or less in the aluminum equivalent test. The same problem as that of a cylinder also occurs in a joint connection using an electric drive means such as a motor. In addition, oil leaking from the hydraulic cylinder may adhere to the divided top plate and reduce the inspection accuracy. Therefore, the joint connection structure of the present invention does not cause the above-described inspection failures, in other words, non-magnetic, X-ray transmissive, small size, no connection with mechanical / electrical drive means, no built-in pressure oil, etc. It is necessary to have requirements.
本発明の手術台で使用されるチェーンは上記した関節接続構造の要件を満たしており、しかも、ワイヤーなどと比べて屈曲が簡単であり、特定の方向にしか撓まないために、天板の折り畳みが容易である。但し、チェーンでは各駒が摺動し、微衝突をするために摩滅箇所が蝶板と比べて多くなるので、ステンレスなどについては窒化するなどの耐摩耗処理を行うことが望ましい。 The chain used in the operating table of the present invention satisfies the requirements for the joint connection structure described above, and is easier to bend than a wire or the like, and can only bend in a specific direction. Easy to fold. However, since each piece slides in the chain and causes a slight collision, the number of wear points is larger than that of the butterfly plate. Therefore, it is desirable to perform wear resistance treatment such as nitriding on stainless steel.
また、チェーンの少なくとも一方の側は分割天板の縦方向にスライド可能に連結している。このために、屈曲、伸展の際にチェーンと天板が縦方向に相互にずれを起こして、天板及び患者にかかる荷重が緩和される。特に、手術台から検査装置に天板を搬送する場合は、一旦天板を手術台から搬送器に移すが、この際分割天板が僅かにスライドすると、手術直後の患者にかかる力を低く抑えることができる。また、天板自体にかかる応力も少なくなり、繰返し使用の際天板が変形することも抑えることができる。この天板の変形は天板の局部的厚さの微小変化をもたらし、同じＸ線検査装置で検査していてもＸ線透過量の変化をもたらし、検査結果の評価にも影響を与えることがあるので、連係手術台では重要である。 Further, at least one side of the chain is slidably connected in the vertical direction of the divided top plate. For this reason, during bending and extension, the chain and the top plate are displaced from each other in the vertical direction, and the load applied to the top plate and the patient is alleviated. In particular, when the top plate is transported from the operating table to the inspection apparatus, the top plate is once moved from the operating table to the transporter. At this time, if the divided top plate is slightly slid, the force applied to the patient immediately after the operation is kept low. be able to. Further, the stress applied to the top plate itself is reduced, and deformation of the top plate can be suppressed during repeated use. This deformation of the top plate causes a small change in the local thickness of the top plate, and even if it is inspected by the same X-ray inspection apparatus, it causes a change in the amount of X-ray transmission, which may affect the evaluation of the inspection result. So it is important in the linked operating table.
また、本発明の分割天板は手術台フレームから分離されて、搬送装置により移動される。即ち、従来の手術台のように手術台と一緒に移動されるのではないので、術者及び補助者が搬送装置を押して所定の位置に簡単に移動することができる。また、搬送装置は検査の障害となるようなシリンダーなどは一切なく簡単なフレーム構造である。 Further, the divided top plate of the present invention is separated from the operating table frame and is moved by the transport device. That is, since it is not moved together with the operating table as in the conventional operating table, the operator and the assistant can easily move to a predetermined position by pushing the transport device. Also, the transport device has a simple frame structure without any cylinders that would hinder inspection.
上述のところから蝶番プレート（チェーンも同じ）が天板に接続される方式は次の六通りとなる。なお、スライドしない連結部は周知のねじ、ボルトなどにより天板に固定する。 From the above, there are the following six ways in which the hinge plate (same chain) is connected to the top plate. In addition, the connection part which does not slide is fixed to a top plate with a well-known screw, a volt | bolt, etc.
上記スライド区分ｃ、ｆの手術台の実施態様を、図２〜４を参照して以下に説明する。但し、図２〜４では蝶番プレートが図示されている。 Embodiments of the operating table for the slide sections c and f will be described below with reference to FIGS. However, the hinge plates are shown in FIGS.
図２は伸展状態の天板全体を示し、図３は背板と腰板の間の連結部拡大図である。
図中、8は樹脂製もしくは木製の天板であり、これは背板8a、腰板8b、脚板8cに分割されており、４枚の蝶板プレート20により一体に連結されている。蝶板プレート20は２個以上あればよく、例えば、幅方向中央に１個、合計２個の蝶板プレートを使用してもよく、さらに背板8aと腰板8bの間は１個の蝶板プレート20を使用してもよい。
FIG. 2 shows the entire top plate in the extended state, and FIG. 3 is an enlarged view of the connecting portion between the back plate and the waist plate.
In the figure, reference numeral 8 denotes a resin or wooden top plate, which is divided into a back plate 8a, a waist plate 8b, and a leg plate 8c, and is integrally connected by four butterfly plate plates 20. Two or more butterfly plates 20 may be used. For example, one butterfly plate may be used in total, one in the center in the width direction, and one butterfly plate is provided between the back plate 8a and the waist plate 8b. Plate 20 may be used.
なお、蝶番20の一方の側のプレート20bは脚板8cの表面に位置して脚板8cと連結されており、蝶番20の他の側のプレート20aは腰板8bの裏側に位置しており、図示されていない。各分割天板にはスロット15が縦方向に板厚を貫いて延在している。蝶板プレート20aの腰板側下面及び脚板側プレート20bの上面からは係合ピン22がそれぞれ上向き及び下向きにスロット15内に突出している。係合ピン22の先端にはスロット15の幅より大径の先端頭部23（図４）が固着されているので、係合ピン22は縦方向には移動中に先端頭部23と天板の間では摩擦が起り、伸展・屈曲時に天板から脱落しない。さらに蝶板プレート20と当接する天板には補強金属板１７を接合して、摩耗を少なくしている。 The plate 20b on one side of the hinge 20 is located on the surface of the leg plate 8c and connected to the leg plate 8c, and the plate 20a on the other side of the hinge 20 is located on the back side of the waist plate 8b and is shown in the figure. Not. Each divided top plate has a slot 15 extending vertically through the plate thickness. Engagement pins 22 project into the slots 15 upward and downward from the lower surface of the waist plate side of the butterfly plate plate 20a and the upper surface of the leg plate side plate 20b, respectively. Since the distal end head portion 23 (FIG. 4) having a diameter larger than the width of the slot 15 is fixed to the distal end of the engagement pin 22, the engagement pin 22 is moved between the distal end head portion 23 and the top plate in the vertical direction. Then, friction occurs and does not fall off the top plate when extending or bending. Further, a reinforcing metal plate 17 is joined to the top plate that comes into contact with the butterfly plate 20 to reduce wear.
以上説明した図２〜４を参照した実施態様では、各分割天板に配置された蝶板プレートはスライド可能であるので、あらゆる手術台動作において、天板の伸展・屈曲と連動して、何れかの蝶板プレートがスライドする。 In the embodiment described with reference to FIGS. 2 to 4 described above, the butterfly plate disposed on each divided top plate is slidable. Therefore, in any operating table operation, The butterfly plate slides.
さらに、本発明の最も好ましい実施態様によると、図３に示すように、縦方向のスロット15に対して直交方向に延在する退避スロット24を形成し、天板を検査装置に移動する際には、天板を水平ポジションに戻し、係合ピン22を退避スロット２４に押進させ、スロット内で縦方向に拘束する。背板8a、脚板8cのスロットは、蝶板プレート20に覆われており一部しか見えないが、腰板側係合ピン22が退避スロット24で拘束されると、係合ピン22が背板8a、脚板8cでも拘束されるような位置に形成されている。したがって，手動により、蝶板プレート20を退避スロット24の位置まで縦方向に移動し、続いて、横方向に移動させて係合ピン22を退避スロット20に押し込むと、分割天板がロックされる。これらの操作は、患者を支えている分割天板を移動させるのではなく、蝶板プレートの移動により行うので極めて簡単である。このロック状態で天板を検査装置に移動し、また手術台に戻すと、移動中の天板の変形などが少なくなり、移動中に分割天板が衝突し、あるいは引き離されて手術位置を変形させることも避けることができる。 Furthermore, according to the most preferred embodiment of the present invention, as shown in FIG. 3, a retracting slot 24 extending in a direction orthogonal to the longitudinal slot 15 is formed, and the top plate is moved to the inspection apparatus. Returns the top plate to the horizontal position, pushes the engaging pin 22 into the retracting slot 24, and restrains it vertically in the slot. The slots of the back plate 8a and the leg plate 8c are covered with the butterfly plate 20 and are only partially visible. However, when the waist plate side engaging pin 22 is restrained by the retracting slot 24, the engaging pin 22 is connected to the back plate 8a. Further, the leg plate 8c is formed at such a position as to be restrained. Therefore, when the butterfly plate plate 20 is moved manually to the position of the retracting slot 24 and then moved laterally to push the engaging pin 22 into the retracting slot 20, the divided top plate is locked. . These operations are very simple because they are performed not by moving the divided top plate supporting the patient but by moving the butterfly plate. When the top plate is moved to the inspection device in this locked state and returned to the operating table, the deformation of the moving top plate is reduced, and the divided top plate collides or is pulled away during the movement to deform the operation position. Can also be avoided.
図５〜８を参照して本発明の手術台の実施態様を説明する。
本発明の手術台で関節接続構造に使用されるチェーンを構成する雌駒30及び雄駒35はそれぞれ図５及び６に示されている。これらの雌駒30及び雄駒35を一対の結合要素として、これを多数連結してチェーンを構成する。雌駒30は一対の駒本体31a,31bの間を連結部32で架橋したＨ形状を有しており、駒本体31a,31bには合計で４個のピン孔33a,33bを貫通させている。駒本体31a,31bの中間は雄駒が嵌入する間隙34となっている。
An embodiment of the operating table of the present invention will be described with reference to FIGS.
The female piece 30 and the male piece 35 constituting the chain used for the joint connection structure in the operating table of the present invention are shown in FIGS. 5 and 6, respectively. These female piece 30 and male piece 35 are used as a pair of coupling elements, and a large number of them are connected to form a chain. The female piece 30 has an H shape in which a pair of piece main bodies 31a and 31b are bridged by a connecting portion 32, and a total of four pin holes 33a and 33b are passed through the piece main bodies 31a and 31b. . A space 34 into which the male piece is inserted is provided between the piece main bodies 31a and 31b.
一方、雄駒35は駒本体36の中心から突出片37を左右に突出させており、合計で2個のピン孔39が突出片37の両側に形成されている。雄駒35の嵌合部38が雌駒30の間隙34に入り込み、ピン孔34,39にピン（図示せず）が挿入されると、これら30,35はピンを中心として駒が枢動可能に接続される。この結合を所望の長さだけ繰返す。 On the other hand, the male piece 35 has a protruding piece 37 protruding left and right from the center of the piece main body 36, and a total of two pin holes 39 are formed on both sides of the protruding piece 37. When the fitting portion 38 of the male piece 35 enters the gap 34 of the female piece 30 and a pin (not shown) is inserted into the pin holes 34 and 39, the pieces 30 and 35 can pivot around the pin. Connected to. This combination is repeated for the desired length.
図７には、分割天板8a,8bは屈曲・伸展するとともに縦方向にスライドするようにチェーン40を分割天板8a,8bの溝42に組込んだ状態が示されている。チェーン40の一端には連結ロッド43を固定し、図示されない左側に設けられたばねによりチェーン40に張力を与えている。また、ばね張力を超える引張力が分割天板8a,8bに加えられると、ばねが伸びて天板がスライドする。 FIG. 7 shows a state in which the chain 40 is assembled in the groove 42 of the divided top plates 8a and 8b so that the divided top plates 8a and 8b bend and extend and slide in the vertical direction. A connecting rod 43 is fixed to one end of the chain 40, and tension is applied to the chain 40 by a spring provided on the left side (not shown). Further, when a tensile force exceeding the spring tension is applied to the divided top plates 8a and 8b, the spring extends and the top plate slides.
上記したばね及びチェーンは両端において分割天板と回転可能な方式で連結されている。したがって、連結ロッド43を図７の状態から９０°回転させて図８に示す状態にすると、チェーン40の向きも９０°転換され、天板面内での動きだけが許容されるようになり、分割天板8a,8bは拘束される。
The above-described spring and chain are connected to the divided top plate at both ends in a rotatable manner. Therefore, when the connecting rod 43 is rotated 90 ° from the state of FIG. 7 to the state shown in FIG. 8 , the direction of the chain 40 is also changed by 90 °, and only movement within the top plate surface is allowed. The divided top plates 8a and 8b are restrained.
なお、図５〜８では、手術台の実施例として、端部を有するチェーンの例を説明したが、通常の無終端チェーンを用いても同様に屈曲・伸展・スライドは可能である。
また、図３〜４の実施態様と図５〜８の実施態様を適宜組合わせて、蝶板プレート20のスライド構造をスロット15,ピン22に代えて、ばね接続にすることも可能である。即ち、蝶板プレートを天板溝内に設けたばねにより蝶板の一部と弾性的に接続する。
In addition, although the example of the chain which has an edge part was demonstrated as an Example of an operating table in FIGS. 5-8, even if it uses a normal endless chain, bending, extension, and a slide are possible similarly.
Further, the embodiment shown in FIGS. 3 to 4 and the embodiment shown in FIGS. 5 to 8 can be appropriately combined, and the slide structure of the butterfly plate 20 can be replaced with the slot 15 and the pin 22 to be a spring connection. That is, the butterfly plate is elastically connected to a part of the butterfly plate by a spring provided in the top plate groove.
以上説明したように、本発明に係る手術台の天板は、検査装置、他の手術台、搬送装置などと手術台の間の移動が極めて簡単であり、迅速に行うことができる。
さらに、MRI検査装置などと連係する手術台では、手術台フレームのポジション変更が多くなるが、本発明の手術台では天板のスライドを利用して、天板の過負荷、変形、ガタなどを避けることができ、同時にポジション変更に伴う患者の姿勢変更の一部を天板のスライドで吸収できるので、上記したポジション変更に充分に対応することができる。
As described above, the top table of the operating table according to the present invention can be moved quickly between the operating table and the inspection device, other operating tables, transport devices, etc., and can be performed quickly.
Furthermore, in an operating table linked with an MRI inspection apparatus, etc., the position of the operating table frame changes frequently, but in the operating table of the present invention, the top plate slide is used to overload, deform, play, etc. This can be avoided, and at the same time, a part of the patient's posture change accompanying the position change can be absorbed by the slide of the top board, so that it is possible to sufficiently cope with the above-described position change.
１ 手術台
8 天板
8a 背板
8b 腰板
8c 脚板
15 スロット
20 蝶板プレート
30 雌駒
35 雄駒
40 チェーン
1 Operating table
8 Top plate
8a backboard
8b waist plate
8c Leg plate
15 slots
20 Butterfly plate
30 female
35 Yukoma
40 chain
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