JP2001129103A - Rotary irradiation room for corpuscular ray therapy - Google Patents

Rotary irradiation room for corpuscular ray therapy

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Publication number
JP2001129103A
JP2001129103A JP31086999A JP31086999A JP2001129103A JP 2001129103 A JP2001129103 A JP 2001129103A JP 31086999 A JP31086999 A JP 31086999A JP 31086999 A JP31086999 A JP 31086999A JP 2001129103 A JP2001129103 A JP 2001129103A
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JP
Japan
Prior art keywords
particle beam
guide rail
side
rotary
drum
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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.)
Granted
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JP31086999A
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Japanese (ja)
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JP4185637B2 (en
Inventor
Takayuki Sugawara
孝幸 菅原
Original Assignee
Shinko Mex Kk
神鋼メックス株式会社
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Application filed by Shinko Mex Kk, 神鋼メックス株式会社 filed Critical Shinko Mex Kk
Priority to JP31086999A priority Critical patent/JP4185637B2/en
Publication of JP2001129103A publication Critical patent/JP2001129103A/en
Application granted granted Critical
Publication of JP4185637B2 publication Critical patent/JP4185637B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1077Beam delivery systems
    • A61N5/1081Rotating beam systems with a specific mechanical construction, e.g. gantries

Abstract

PROBLEM TO BE SOLVED: To provide a rotary irradiation room for corpuscular ray therapy having simple constitution and easy operation, which can horizontally hold the lower side of a moving floor without moving by synchronizing a guide rail on the side of a rotary drum in a direction reverse to a moving floor by the same quantity.
SOLUTION: A guide rail supporting drum 5 provided with a guide rail 5a on the side of a rotary drum is arranged inside of the rotary drum 4 via a supporting roller 5c. An electric cylinder 7 for rod operation for operating an engaging rod 7a is arranged at the upper part of a fixed drum 2 provided with a guide rail on the side of the fixed drum. The rod 7a is inserted to an engaging bole 5d formed at a guide role supporting drum supporting member 5b supporting the roller 5c. In this constitution, even when the drum 4 and a corpuscular radiation part 3 are rotated and a moving floor 6 is moved in synchronization with the rotation of these, the lower side of the floor 6 can be kept to be horizontal by stopping the drum 5.
COPYRIGHT: (C)2001,JPO

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、粒子線治療用回転照射室の改善に関し、より詳しくは、構造が簡単で、操作が容易な粒子線治療用回転照射室の技術分野に属するものである。 BACKGROUND OF THE INVENTION The present invention relates to improvements in particle beam therapy rotating irradiation chamber, and more particularly, the structure is simple, which belongs to the technical field of ease-particle beam therapy rotating irradiation chamber .

【0002】 [0002]

【従来の技術】周知のとおり、癌治療には、従来からX BACKGROUND OF THE INVENTION As is well known, in the treatment of cancer, X from conventional
線、ガンマ線、電子線あるいは中性子線などが利用されてきた。 Line, gamma ray, and electron beam or neutron beams have been used. ところが、近年では、患部のみに集中的に照射することができ、患部の周囲の正常な細胞に対する悪影響が少ないという理由で、炭素などのように粒子の重い粒子線が注目されるに至り、我が国においても粒子線治療施設の建設が進められつつある。 However, in recent years, only it can be intensively irradiated affected part, because they are less adverse effect on the normal cells surrounding the affected area, leading to heavy particle beam of particles is noted as such as carbon, Japan It is being pushed forward the construction of a particle beam therapy facilities in. このような粒子線治療施設の構成は、例えば特開平11−47287号公報に開示されてなる放射線治療用回転照射室とほぼ同構成になるものである。 Such configuration of the particle beam therapy facility, for example, made of substantially the same structure as JP-radiation therapy rotating irradiation chamber No. consisting disclosed in Japanese 11-47287.

【0003】以下、上記従来例に係る放射線治療用回転照射室の概要を、斜め前方から見たその要部構成斜視図の図7を参照しながら、同公報に記載されている同一名称ならびに同一符号を以て説明すると、これは癌患者に放射線を照射する放射線照射部の回転位置の如何に拘わらず、回転照射室の内側を常に覆って治療用ベッドの下側に水平なアクセス用のフロア(移動床)を形成することを可能ならしめることにより、癌患者に安心感を与えるようにしたものである。 [0003] Hereinafter, the overview of radiation therapy rotating irradiation chamber according to the conventional example, with reference to FIG. 7 of the main configuration perspective view obliquely from the front, the same names and the same are described in the publication to explain with a code, which regardless of the rotational position of the radiation irradiation section for irradiating radiation on cancer patients, floors for horizontal access to the lower side of the bed for treatment over always inside the rotating irradiation chamber (mobile by makes it possible to form a bed), it is obtained by so as to provide a sense of security to the cancer patient. より詳しくは、放射線照射部22の移動経路を挟んで配置される固定側リングレール62と、移動側リングレール72とによって、下側が水平なかまぼこ型の通路80を形成し、この通路80内にリンクで屈曲自在に連結された多数の板からなる連続した移動床82を配置し、この移動床82を前記放射線照射部22の回転と同期して移動させると共に、前記移動側リングレール72を移動床82と逆方向に同じ量だけ移動させるように構成されてなるものである。 More specifically, the fixed-side ring rail 62 that sandwich the moving path of the radiation irradiation unit 22, by a movable ring rail 72, the lower side to form a horizontal semi-cylindrical passage 80, into the passage 80 place the moving bed 82 consecutive consisting freely linked multiple plate bending at the link, along with moving the moving bed 82 in synchronization with the rotation of the radiation irradiation unit 22, moves the movable ring rail 72 is made is configured to move the same amount as the floor 82 in the opposite direction.

【0004】上記構成になる従来例に係る放射線治療用回転照射室は、上記のとおり、移動床82が前記放射線照射部22の回転と同期して移動すると、移動側リングレール72が移動床82と逆方向に同じ量だけ移動するように構成されてなるものである。 [0004] Radiation therapy rotating irradiation chamber according to the conventional example in which the above configuration, as described above, the moving bed 82 is moved in synchronization with the rotation of the radiation irradiation unit 22, the movable ring rail 72 moving bed 82 is made is configured to move the same amount in the opposite direction. 従って、この従来例に係る放射線治療用回転照射室によれば、前記移動側リングレール72が静止状態に保持され続けるから、前記放射線照射部22の回転の如何に拘わらず、移動床82 Therefore, according to the radiation therapy rotating irradiation chamber according to the prior art, the since the movable ring rail 72 is continuously held stationary, regardless of the rotation of the radiation irradiation unit 22, the moving bed 82
の下側を水平に保持し続けることができる。 It can be the lower continues to horizontally hold. なお、前記移動床82の移動量と移動側リングレール72の移動量との間に誤差が生じた場合には、移動量の誤差が補正されるようになっている。 Incidentally, wherein when an error occurs during the movement of the moving bed 82 and the moving amount of the movable ring rail 72, the error of the moving amount is adapted to be corrected.

【0005】 [0005]

【発明が解決しようとする課題】上記従来例に係る放射線治療用回転照射室は、放射線照射部の回転位置の如何に拘わらず、移動床の下側が常に水平に保持され続けるから極めて有用であると考えられる。 THE INVENTION to be solved INVENTION rotary irradiation room for radiation therapy according to the conventional example, regardless of the rotational position of the radiation irradiation section is extremely useful because the lower side of the moving bed continues to be always kept horizontal it is conceivable that. しかしながら、この従来例に係る放射線治療用回転照射室の場合には、上記のとおり、移動側リングレールを移動床と逆方向に同じ量だけ同期させて移動させる構成であるため、放射線照射部の回転と同期して逆方向に同じ量だけ移動させる駆動手段が必要であるのに加えて、移動量の誤差を補正する補正手段が必要であるから、その構成が複雑で操作が難しい。 However, this in the case of radiation therapy rotating irradiation chamber according to the conventional example, as described above, for the same amount of movable ring rail moving bed opposite direction is configured to move in synchronization, the irradiated portion in addition to driving means for moving the same amount in synchronous rotation with the reverse direction is required, because it is necessary to correct means for correcting the errors of the movement amount, is complex and difficult to operate the arrangement. つまり、より安価で、しかも操作が容易な放射線治療用回転照射室に対する要望が強いにも拘わらず、高価にならざるを得ず、経済的に不利になるのに加えて、その操作が難しいという解決すべき課題がある。 That is, less expensive, yet operation demand despite strong for easy radiation therapy rotating irradiation chamber, inevitably expensive, in addition to become economically disadvantageous, that the operation is difficult there are problems to be solved.

【0006】従って、本発明の目的は、回転胴側リングレールを移動床と逆方向に同じ量だけ同期させて移動させる駆動手段を設けるまでもなく、この回転胴側リングレールを静止させ続けることを可能ならしめる、構成が簡単で、操作が容易な粒子線治療用回転照射室を提供することである。 Accordingly, the purpose of the present invention, the same amount of the rotary shell-side ring rail moving bed opposite directions in synchronization even without providing a driving means for moving, it continues to stationary the rotary shell-side ring rail makes it possible to, configuration is simple, is that the operation provides easy particle beam therapy rotating irradiation chamber.

【0007】 [0007]

【課題を解決するための手段】本発明は、回転胴の回転位置の如何に拘わらず、回転胴側ガイドレールを静止状態で維持し続け得る構成にすれば、この回転胴側リングレールを移動床と逆方向に同じ量だけ同期させて移動させる駆動手段を設けたり、移動量の誤差を補正する補正手段を設ける必要がなくなり、粒子線治療用回転照射室の構成が簡単になると共に、操作が容易になると考えてなしたものである。 Means for Solving the Problems The present invention is, regardless of the rotational position of the rotating cylinder, if the rotary shell-side guide rails to the structure may continue to maintain at rest, moving the rotary shell-side ring rail or providing a drive means for moving same amount in synchronism with the floor and the reverse direction, it is not necessary to provide a correction means for correcting the errors of the movement amount, the configuration of the particle beam therapy rotating irradiation chamber is simplified, the operation it is that none believe that it is easy.

【0008】従って、上記課題を解決するために、本発明の請求項1に係る粒子線治療用回転照射室が採用した手段の特徴とするところは、内部に治療用ベッドが配設された固定胴に固定胴側ガイドレールが設けられ、前記治療用ベッド上の患者の回りを回転する粒子線照射部を支持する回転胴が配設され、この回転胴の内側に回転胴側ガイドレールが設けられたガイドレール支持胴が設けられると共に、前記固定胴側および回転胴側ガイドレールにより、下側が水平であって、かつ内側に前記固定胴およびガイドレール支持胴と共に照射室を形成し、前記粒子線照射部の回転と同期して作動する屈曲自在な無端状の移動床が支持されてなる粒子線治療用回転照射室において、前記ガイドレール支持胴側に係合部を設け、前記固定胴側に前記 Accordingly, in order to solve the above problems, it is an aspect of means for the particle beam therapy rotary irradiation chamber is adopted according to claim 1 of the present invention, fixed inside the therapeutic bed is provided the fixed body side guide rail provided on the cylinder, rotating drum for supporting the particle beam irradiation section which rotates about the patient on the treatment couch is disposed, rotating cylinder side guide rail provided on the inside of the rotating drum together are guide rails support cylinders are provided, by the stationary cylinder side and rotary shell-side guide rail, the lower side of a horizontal, and wherein the irradiation chamber is formed with a fixed cylinder and a guide rail support cylinders inside, the particles in the particle beam therapy rotating irradiation chamber moving bed of bendable endless operating in synchronization with the rotation of the line irradiated portion is supported, the engagement portion provided on the guide rail support shell side, the fixed shell side It said to 合部に離合自在に係合してガイドレール支持胴を静止させる係止手段を設けたところにある。 There a guide rail supporting body at which is provided a locking means for the still engaged freely disengaging the engaging portion.

【0009】本発明の請求項2に係る粒子線治療用回転照射室が採用した手段の特徴とするところは、請求項1 [0009] It is a feature of the means for particle beam therapy rotary irradiation chamber is adopted according to claim 2 of the present invention, according to claim 1
に記載の粒子線治療用回転照射室において、前記係合部を係合穴とし、前記係止手段を前記係合穴に係止ロッドを挿脱させる伸縮装置にしたところにある。 In the particle beam therapy rotating irradiation chamber according to the engaging portion and the engaging hole, and is the locking means was stretch apparatus for inserting and removing the locking rod with the engagement hole.

【0010】本発明の請求項3に係る粒子線治療用回転照射室が採用した手段の特徴とするところは、請求項2 [0010] It is a feature of the means for particle beam therapy rotary irradiation chamber is adopted according to claim 3 of the present invention, according to claim 2
に記載の粒子線治療用回転照射室において、前記係合穴と、前記係止ロッドを挿脱させる伸縮装置とを、前記粒子線照射部の回転方向の両側に設けたところにある。 In the particle beam therapy rotating irradiation chamber according to, said engaging hole, the expansion device and for inserting and removing the locking rod, there is to provided on both sides of the rotational direction of the particle beam irradiation section.

【0011】 [0011]

【発明の実施の形態】以下、本発明の実施の形態1に係る粒子線治療用回転照射室を、その主要部縦断断面図の図1と、図1のA部詳細図の図2(a)と、図2(a) DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a particle beam therapy rotating irradiation chamber according to the first embodiment of the present invention, and FIG. 1 of a main part longitudinal sectional view, illustration of part A detail of Figure 1 2 (a a), as shown in FIG. 2 (a)
のB−B線断面図の図2(b)と、その移動床とガイドレール支持胴との横断断面を示す図の図3と、その移動床の横断断面と回転胴のサポート状態を示す図の図4 Shows in Figure 2 the line B-B cross-sectional view and (b), and Figure 3 shows a cross section of its moving bed and the guide rail support cylinders, the support state of the cross section and the rotary cylinder of the moving bed Figure 4
と、図3のC部拡大断面図の図5(a)と、図5(a) When, with the figures of the C part enlarged sectional view of FIG. 3 5 (a), FIGS. 5 (a)
のD矢視図の図5(b)とを順次参照しながら説明する。 FIG 5 (b) and successively will be described with reference to the the D arrow view.

【0012】図1、図3乃至図4に示す符号1は、本実施の形態1に係る粒子線治療用回転照射室である。 [0012] Figure 1, reference numeral 1 shown in FIGS. 3-4 is a rotary irradiation room for particle beam therapy according to the first embodiment. この粒子線治療用回転照射室1は、主として、一端側が建屋の壁100に支持され、内部に治療用ベッド2cを備えた固定胴2と、粒子線照射部3を支持する回転胴4と、 The particle beam therapy rotating irradiation chamber 1 is mainly supported on one end wall 100 of the building, a fixed barrel 2 having a therapeutic bed 2c therein, the rotary drum 4 to support the particle beam irradiation section 3,
この回転胴4の内側であって、かつ前記固定胴2側に配設されてなるガイドレール支持胴5と、前記固定胴2とガイドレール支持胴5との間に配設され、上部を貫通する前記粒子線照射部3の回転に合わせて移動する屈曲自在な無端状の移動床6とから構成されている。 This an inner rotary drum 4, and the and the fixed body 2 becomes disposed in side guide rail support cylinders 5, disposed between the fixed cylinder 2 and the guide rail support cylinders 5, through the upper and a bendable endless moving bed 6 for moving in accordance with the rotation of the particle irradiation unit 3 that.

【0013】より詳しくは、前記固定胴2の内部であって水平な床面に、この固定胴2の長手方向に沿ってガイドレール2bが敷設されており、このガイドレール2b [0013] More specifically, the level surface a interior of the fixed cylinder 2, and the guide rail 2b is laid along the longitudinal direction of the fixed body 2, the guide rail 2b
に案内されて前記治療用ベッド2cが往復移動されるようになっている。 The therapeutic bed 2c is adapted to be reciprocated while being guided by the. また、この固定胴2の前記ガイドレール支持胴5側の端部には、下側が水平であって、かつ上側に円弧部を有すると共に、前記ガイドレール支持胴5 Further, an end portion of the guide rail support cylinders 5 side of the fixed body 2, the lower side of a horizontal, and which has an arcuate portion on the upper side, the guide rail support cylinders 5
側に開口部を有するコの字状の縦断断面をした固定胴側ガイドレール(従来例の固定側リングレールに相当する。)2aが設けられている。 (Corresponding to the conventional example stationary ring rail.) Stationary cylinder side guide rails in which the shape of a longitudinal cross section of the U having an opening portion 2a is provided on the side.

【0014】前記ガイドレール支持胴5の外周には、前記回転胴4の内周面を転動する複数の支持ローラ5cが設けられたガイドレール支持胴支持部材5bが周設されると共に、このガイドレール支持胴5の端部外周には、 [0014] outer periphery of the guide rail support cylinders 5, a plurality of support rollers 5c guide is provided rail support cylinder support member 5b rolling inner peripheral surface of the rotating cylinder 4 is circumferentially, this the outer circumference of the end portion of the guide rail support cylinders 5,
前記固定胴2側に開口部を有する前記固定胴側ガイドレール2aと同形状に形成された回転胴側ガイドレール(従来例の移動側リングレールに相当する。)5aが設けられている。 (Corresponding to the conventional example movable ring rail.) The fixed barrel side guide rails 2a and rotary shell-side guide rails which are formed in the same shape having an opening portion 5a is provided on the stationary cylinder 2 side. また、前記ガイドレール支持胴支持部材5bの前記固定胴2側には、前記粒子線照射部3の回転方向の両側に係合部である係合穴5dが設けられている。 Further, wherein the guide rail support cylinders the fixed barrel 2 side of the supporting member 5b, engaging holes 5d are provided a engaging portion on opposite sides of the rotational direction of the particle beam irradiation section 3. なお、これら係合穴5d,5dは円形であるが、異形であっても良い。 Incidentally, the engaging holes 5d, 5d is circular, may be irregular.

【0015】さらに、前記回転胴4の前記固定胴2への外嵌部分の端部外周には、図1,4に示すように、回転胴支持リング4aが設けられており、この回転胴支持リング4aの外周面が架台の上に設けられた2個のサポートローラ4bによって支えられており、これら2個のサポートローラ4bにより前記回転胴4がスムーズに回転することが可能になるように構成されている。 Furthermore, the outer circumference of the end portion of the fitted portion to the fixed barrel 2 of the rotary drum 4, as shown in FIGS. 1 and 4, is provided rotating cylinder support ring 4a, the rotating cylinder support and supported by two support rollers 4b of the outer peripheral surface of the ring 4a is provided on the pedestal, formed by these two support rollers 4b as the rotating cylinder 4 is capable of rotating smoothly It is.

【0016】そして、前記固定胴側ガイドレール2aと回転胴側ガイドレール5aとによって、下側が水平であって、かつ上側に円弧部を有する無端状の後述する構成になる移動床6が支持されている。 [0016] Then, the by the fixed body side guide rails 2a and rotary shell-side guide rail 5a, a lower horizontal, and moving bed 6 to be described later constitute endless with an arc portion on the upper side is supported ing. この移動床6は、図5(a),(b)に示すように、床面を形成する所定の肉厚を有するゴムベルト6aと、両端側に前記固定胴側ガイドレール2aと回転胴側ガイドレール5aとに嵌合して転動するガイドローラ6d,6dを備えた縦断断面が矩形状のゴム支持梁部材6cとからなるキャリヤ6b The moving bed 6, as shown in FIG. 5 (a), (b), a rubber belt 6a having a predetermined thickness to form a floor surface, the stationary cylinder side guide rails 2a and the rotary drum side guide on both ends carrier 6b that guide rollers 6d to fitted rolling on the rails 5a, the longitudinal cross-section with a 6d comprising a rectangular-shaped rubber support beam member 6c
が、このゴムベルト6aの外周面であって、かつこのゴムベルト6aの周方向に所定の間隔で固着されてなる構成になっている。 But a peripheral surface of the rubber belt 6a, and has in the circumferential direction formed by fixed at predetermined intervals to the configuration of the rubber belt 6a. つまり、前記キャリヤ6bにより、この移動床6は固定胴側ガイドレール2aと回転胴側ガイドレール5aとに案内されて移動することができ、かつ人体の体重を支えることができるように構成されている。 That is, by the carrier 6b, the moving bed 6 can be moved by being guided by the fixed cylinder side guide rails 2a and rotary shell-side guide rail 5a, and is configured to be able to support the body weight there.

【0017】さらに、図2(a),(b)に示すように、前記固定胴2の上部にはシリンダ取付架台7bが設けられており、このシリンダ取付架台7bに、前記係合穴5d,5dのそれぞれに挿脱自在に係合する係止ロッド7aを伸縮させる伸縮装置であるロッド作動用電動シリンダ7が取付けられている。 Furthermore, as shown in FIG. 2 (a), (b), the on top of the fixed body 2 is the cylinder mounting frame 7b is provided on the cylinder mounting frame 7b, the engagement hole 5d, rod actuating electric cylinder 7 is a telescopic device for stretching the locking rod 7a which engages detachably in each 5d is attached. 前記係止ロッド7aは、 The locking rod 7a is
前記シリンダ取付架台7bの側部に設けられたリニアレール7cに案内されて往復移動する2個のリニアウエイ7dに取付けられており、前記係止ロッド7aが前記係合穴5dに係合しても真直状態を保持して、前記粒子線照射部3を回転させるために前記回転胴4が回転されても、前記ガイドレール支持胴5が定位置に静止し続けることができるようになっている。 Wherein mounted on two linear way 7d which reciprocates while being guided by the linear rails 7c provided on the side of the cylinder mounting frame 7b, and the locking rod 7a is engaged with the engaging hole 5d be held straight state, even said rotary drum 4 is rotated to rotate the particle beam irradiation section 3, the guide rail support cylinders 5 is made to be able to continue to rest in a fixed position .

【0018】ところで、前記粒子線照射部3の回転方向の両側位置に係合穴5dを設けると共に、これら係合穴5d,5dのそれぞれに挿脱自在に係合する係止ロッド7aを伸縮させるロッド作動用電動シリンダ7を設けたのは、粒子線照射部3の回転に支障が生じる側の係止ロッド7aを縮小させて係合穴5dから抜き出す一方、他方の係止ロッド7aでガイドレール支持胴5を静止させるための配慮である。 By the way, provided with the engaging hole 5d on each side position in the rotational direction of the particle beam irradiation section 3, thereby stretching the locking rod 7a which removably engage with each of these engaging holes 5d, 5d was provided rod actuating electric cylinder 7, while withdrawing from the engagement hole 5d by reducing the locking rod 7a of the side occurring hinder the rotation of the particle beam irradiation section 3, the guide rails in the other locking rod 7a it is a consideration for the support cylinders 5 are stationary. つまり、このガイドレール支持胴5は、何れか一方の係止ロッド7aにより静止されるように構成されている。 That is, the guide rail support cylinders 5 is configured to be stationary by one of the locking rod 7a.

【0019】以下、上記実施の形態1に係る粒子線治療用回転照射室1の使用態様を説明すると、例えば、図3 [0019] Explaining the mode of use of the particle beam therapy rotating irradiation chamber 1 according to the first embodiment, for example, FIG. 3
における左側方向に粒子線照射部3を回転させる場合には、左側のロッド作動用電動シリンダ7を縮小させて係合穴5dから係止ロッド7aを抜き出すと共に、右側のロッド作動用電動シリンダ7の伸縮ロッドを伸長させて係合穴5dに係止ロッド7aを挿入しておく。 In the case of rotating the particle beam irradiation section 3 in the left direction, to shrink the left rod actuating electric cylinder 7 from the engaging hole 5d with withdrawing the locking rods 7a, the right rod actuating electric cylinders 7 keep inserting the locking rod 7a engaging hole 5d by the telescopic rod is extended.

【0020】そして、前記粒子線照射部3の左側方向の回転に同期して移動床6が左側方向に移動することになるが、右側の係合穴5dに挿入されている係止ロッド7 [0020] Then, moving bed 6 becomes to move to the left direction in synchronization with the rotation of the left direction of the particle beam irradiation section 3, the locking rod 7 is inserted into the right side of the engaging hole 5d
aの働きによりガイドレール支持胴5が静止、つまり回転胴側ガイドレール5aが静止し続ける。 By the action of a guide rail support cylinders 5 stationary, i.e. the rotary shell-side guide rail 5a continues stationary. 従って、前記粒子線照射部3の回転位置の如何に拘わらず、移動床6 Therefore, regardless of the rotational position of the particle beam irradiation section 3, a moving bed 6
の下側が水平な状態に維持され続けることになる。 So that the lower side continues to be maintained in a horizontal state of the. 勿論、図3における右側方向に粒子線照射部3を回転させる場合には、上記とは逆に、右側の係合穴5dから係止ロッド7aを抜き出すと共に、左側の係合穴5dに係止ロッド7aを挿入しておけば良いものである。 Of course, when rotating the particle beam irradiation section 3 in the right direction in FIG. 3, contrary to the above, with withdrawal of the locking rod 7a from the right side of the engaging hole 5d, the locking on the left side of the engaging hole 5d those it is sufficient to insert the rod 7a.

【0021】上記実施の形態1に係る粒子線治療用回転照射室1によれば、上記のとおり、上記従来例に係る放射線治療用回転照射室のように、回転胴側ガイドレール5aを移動床6と逆方向に同じ量だけ同期移動させる駆動手段を設ける必要がない。 According to the particle beam therapy rotating irradiation chamber 1 according to the first embodiment, as described above, as the radiation therapy rotating irradiation chamber according to the prior art, moving bed and rotary shell-side guide rails 5a there is no need to provide a driving means for only the synchronous mobile same amount 6 opposite direction. 従って、前記移動床の移動量と移動側リングレールの移動量との間に誤差が生じた場合には、移動量の誤差を補正するというような難しい駆動制御を要しないから、粒子線治療用回転照射室1の構成が、従来例に係る放射線治療用回転照射室のそれよりも遙に簡単であり、粒子線治療用回転照射室1の価格に関して有利になると共に、その操作も容易であるという優れた効果を奏することができる。 Therefore, when said error is generated between the amount of movement of the moving bed and the moving amount of the movable ring rails do not require a hard drive controller, such as that to correct the errors of the movement amount, a particle beam therapy configuration of the rotating irradiation chamber 1, is simple to much than that of the radiation therapy rotating irradiation chamber according to the conventional example, it becomes advantageous with respect to price for particle beam therapy rotary irradiation chamber 1, is also easy the operation it is possible to obtain the excellent effect that.

【0022】次に、本発明の実施の形態2に係る粒子線治療用回転照射室を説明する。 Next, describing the particle beam therapy rotating irradiation chamber according to the second embodiment of the present invention. 但し、本実施の形態2に係る粒子線治療用回転照射室が上記実施の形態1に係る粒子線治療用回転照射室と相違するところは、移動床の構成の相違にあり、この移動床以外は全く同構成であるから、その移動床の部分平面図の図6(a)と、図6 However, where the particle beam therapy rotating irradiation chamber according to the second embodiment is different from the particle beam therapy rotating irradiation chamber according to the first embodiment is in the difference in the configuration of the moving bed, outside this moving bed since is exactly the same configuration, and FIG. 6 a partial plan view of the moving bed (a), 6
(a)のE矢視図の図6(b)と、図6(b)のF矢視図の図6(c)とを参照しながら、その相違する点についてだけ以下に説明する。 And Figure 6 E arrow view of (a) (b), with reference to FIGS. 6 (c) of the F arrow view of FIG. 6 (b), described below only for the points of the difference.

【0023】図に示す符号8は、本実施の形態2に係る粒子線治療用回転照射室の移動床である。 The reference numeral 8 shown in the drawing is a moving bed of particle beam therapy rotating irradiation chamber according to the second embodiment. この移動床8 The moving bed 8
は、床面を形成するリンク板8bと、このリンク板8b Includes a link plate 8b to form the floor, the link plate 8b
それぞれの長手方向(移動床8の幅方向に相当する。) Respective longitudinal (corresponding to the width direction of the moving bed 8.)
の両端部側の面に、このリンク板8bと直交する向きに突設されてなる2枚の板部材と、これらを繋ぐ梁部材とからなるローラ取付部材8cと、これらローラ取付部材8cの2枚の板部材のそれぞに回転自在に取付けられ、 The surface of both ends of the two plate members formed by projecting in a direction perpendicular to the link plate 8b, the roller mounting member 8c comprising a beam member for connecting these, 2 of these roller mounting member 8c each rotatably attached to the sheets of plate members,
前記固定胴側ガイドレール2aと回転胴側ガイドレール5aとに嵌合して転動するガイドローラ8d,8dとから構成されてなる複数のキャリヤ8aが複数本のヒンジピン8eによって無端状に連結されることにより構成されている。 Said fixed body side guide rails 2a and the rotary drum side guide rails 5a and the fitted rolling guide rollers 8d, a plurality of carriers 8a made is composed of a 8d are endlessly connected by a plurality of hinge pins 8e It is constituted by Rukoto.

【0024】このように、本実施の形態2に係る粒子線治療用回転照射室では移動床8の構成が、上記実施の形態1に係る粒子線治療用回転照射室の移動床6の構成と相違するだけであるから、本実施の形態2に係る粒子線治療用回転照射室は上記実施の形態1に係る粒子線治療用回転照射室と同効である。 [0024] Thus, the configuration of the moving bed 8 in the particle beam therapy rotating irradiation chamber according to the second embodiment includes a configuration of a moving bed 6 of the particle beam therapy rotating irradiation chamber according to the first embodiment since only differs, particle beam therapy rotating irradiation chamber according to the second embodiment is the same effect as the particle beam therapy rotating irradiation chamber according to the first embodiment.

【0025】ところで、上記実施の形態1または2に係る粒子線治療用回転照射室の場合には、上記のとおり、 By the way, in the case of particle beam therapy rotating irradiation chamber according to the first or second embodiment, as described above,
2台のロッド作動用電動シリンダが固定胴の上部側に配設されている場合であるが、これらロッド作動用電動シリンダを固定胴の下部側に配設することができる。 Two rod actuating the electric cylinder is if it is arranged on the upper side of the fixed body but can be disposed of these rods actuating the electric cylinders in the lower side of the fixed cylinder. 但し、ロッド作動用電動シリンダを固定胴の下部側に配設した場合には、ロッド作動用電動シリンダを固定胴の上部側に配設した場合よりもメインテナンス作業に関して若干不利になる。 However, when disposed rod actuating electric cylinders in the lower side of the fixed body is slightly disadvantageous with respect to maintenance operations than when disposed rod actuating electric cylinders on the upper side of the fixed cylinder.

【0026】さらに、前記ロッド作動用電動シリンダを周知の構成になる油圧シリンダに代えても、またモータと、このモータにより可逆回転されるボールねじと、このボールねじにより往復動される係止ロッドとからなる構成にしても、ロッド作動用電動シリンダと同等の機能を発揮することができるから、上記実施の形態1または2によって本発明の技術的思想の範囲が限定されるものではない。 Furthermore, even in place of the hydraulic cylinder comprising the rod actuating electric cylinder to a known arrangement, also a motor, a ball screw that is reversible by the motor, the locking rod is reciprocated by the ball screw in the structure consisting of a well, because it is possible to exert a rod actuating electric cylinder functions equivalent, but the scope of the technical idea of ​​the present invention by first or second embodiment is limited.

【0027】 [0027]

【発明の効果】以上述べたように、本発明の請求項1乃至3に係る粒子線治療用回転照射室によれば、係止手段である伸縮装置で係合部である係合穴に係止ロッドを係合させることにより、粒子線照射部の回転位置の如何に拘わらず回転胴側ガイドレールが静止し続けるから、移動床の下側を水平な状態に維持し続けることができる。 As described above, according to the present invention, according to claim 1 to rotary irradiation room for particle beam therapy according to the third invention, engaged with the engaging hole is engaged portion in telescopic device is a locking means by engaging the locking rod can be rotary shell-side guide rail irrespective of the rotational position of the particle beam irradiation section because keeps stationary, continue to maintain the lower side of the moving bed in a horizontal state.
従って、従来例に係る放射線治療用回転照射室のように、回転胴側リングレールを移動床と逆方向に同じ量だけ同期移動させる駆動手段が必要でなく、前記移動床の移動量と移動側リングレールの移動量との間に誤差が生じた場合に補正するというような難しい駆動制御を要しないから、この粒子線治療用回転照射室の構成が従来例に係る放射線治療用回転照射室の構成よりも簡単で安価になり、そして操作も容易になるという極めて優れた効果がある。 Therefore, as in the radiation therapy rotating irradiation chamber according to the conventional example, driving means for moving only synchronize the same amount of the rotary shell-side ring rail moving bed opposite direction is not required, the mobile side and the moving amount of the moving bed do not require a hard drive controller, such as that to correct if the error is generated between the amount of movement of the ring rail, construction of a radiation therapy rotating irradiation chamber according to the conventional example of the particle beam therapy rotating irradiation chamber simple and less expensive than the construction, and there is excellent effect that the operation can be facilitated.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の実施の形態1に係る粒子線治療用回転照射室の主要部縦断断面図である。 1 is a main part longitudinal sectional view of a particle beam therapy rotating irradiation chamber according to the first embodiment of the present invention.

【図2】図2(a)は図1のA部詳細図であり、図2 [2] 2 (a) is a section A detail of FIG. 1, FIG. 2
(b)は図2(a)のB−B線断面図である。 (B) is a sectional view taken along line B-B of FIG. 2 (a).

【図3】本発明の実施の形態1に係る粒子線治療用回転照射室の移動床とガイドレール支持胴との横断断面を示す図である。 3 is a diagram showing the cross section of the moving bed and the guide rail support cylinders of the particle beam therapy rotating irradiation chamber according to the first embodiment of the present invention.

【図4】本発明の実施の形態1に係る粒子線治療用回転照射室の移動床の横断断面と回転胴のサポート状態を示す図である。 4 is a diagram showing a support state of the cross section and the rotary cylinder of a moving bed of particle beam therapy rotating irradiation chamber according to the first embodiment of the present invention.

【図5】本発明の実施の形態1に係り、図5(a)は図3のC部拡大断面図であり、また図5(b)は図5 [5] relates to the first embodiment of the present invention, FIG. 5 (a) is a C part enlarged sectional view of FIG. 3, and FIG. 5 (b) 5
(a)のD矢視図である。 A D arrow view of (a).

【図6】本発明の実施の形態2に係り、図6(a)は移動床の部分平面図であり、図6(b)は図6(a)のE [6] relates to the second embodiment of the present invention, FIG. 6 (a) is a partial plan view of a moving bed, E in FIG. 6 (b) FIGS. 6 (a)
矢視図であり、また図6(c)は図6(b)のF矢視図である。 Is an arrow view, and FIG. 6 (c) is a F arrow view of FIG. 6 (b).

【図7】従来例に係り、斜め前方から見た放射線治療用回転照射室の要部構成斜視図である。 [7] relates to the conventional example, a main configuration perspective view of a radiation therapy rotating irradiation chamber as seen obliquely from the front.

【符号の説明】 DESCRIPTION OF SYMBOLS

1…粒子線治療用回転照射室 2…固定胴,2a…固定胴側ガイドレール(移動床用),2b…ガイドレール(治療用ベッド用),2c… 1 ... rotary irradiation chamber 2 ... fixed cylinder for particle beam therapy, 2a ... fixed body side guide rails (for moving bed), 2b ... guide rail (bed therapeutic), 2c ...
治療用ベッド 3…粒子線照射部 4…回転胴,4a…回転胴支持リング,4b…サポートローラ 5…ガイドレール支持胴,5a…回転胴側ガイドレール(移動床用),5b…ガイドレール支持胴支持部材,5 Therapeutic beds 3 ... particle beam irradiation section 4 ... rotary drum, 4a ... rotary cylinder support ring, 4b ... support roller 5 ... guide rail support cylinders, 5a ... rotary shell-side guide rails (for moving bed), 5b ... guide rail support cylinder support member, 5
c…支持ローラ,5d…係合穴 6…移動床,6a…ゴムベルト,6b…キャリヤ,6c c ... supporting rollers, 5d ... engaging hole 6 ... moving bed, 6a ... rubber belt, 6b ... carrier, 6c
…梁部材,6d…ガイドローラ 7…ロッド作動用電動シリンダ,7a…係止ロッド,7 ... beam members, 6d ... guide roller 7 ... rod actuating electric cylinders, 7a ... locking rod 7
b…シリンダ取付架台,7c…リニアレール,7d…リニアウエイ 8…移動床,8a…キャリヤ,8b…リンク板,8c… b ... Cylinder mounting frame, 7c ... linear rail, 7d ... linear way 8 ... moving bed, 8a ... carrier, 8b ... link plate, 8c ...
ローラ取付部材,8d…ガイドローラ,8e…ヒンジピン 100…建屋の壁 Roller mounting member, 8d ... guide roller, 8e ... hinge pin 100 ... wall of a building

Claims (3)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 内部に治療用ベッドが配設された固定胴に固定胴側ガイドレールが設けられ、前記治療用ベッド上の患者の回りを回転する粒子線照射部を支持する回転胴が配設され、この回転胴の内側に回転胴側ガイドレールが設けられたガイドレール支持胴が設けられると共に、前記固定胴側および回転胴側ガイドレールにより、 1. A inside the therapeutic bed disposed a fixed body side guide rails in a fixed cylinder is provided, the rotary shell supporting the particle beam irradiation section which rotates about the patient on the treatment couch is distribution is set, together with the guide rail support cylinder rotary shell-side guide rails on the inside is provided in the rotary cylinder is provided, by the stationary cylinder side and rotary shell-side guide rail,
    下側が水平であって、かつ内側に前記固定胴およびガイドレール支持胴と共に照射室を形成し、前記粒子線照射部の回転と同期して作動する屈曲自在な無端状の移動床が支持されてなる粒子線治療用回転照射室において、前記ガイドレール支持胴側に係合部を設け、前記固定胴側に前記係合部に離合自在に係合してガイドレール支持胴を静止させる係止手段を設けたことを特徴とする粒子線治療用回転照射室。 A lower horizontal, and said fixed forming a cylinder and a guide rail support cylinders irradiation chamber with, moving bed of bendable endless operating in synchronization with the rotation of the particle beam irradiation section is supported inside in the particle beam therapy rotating irradiation chamber comprising, the guide rail support shell side engaging portion provided on the engaging portion disengaging freely engaged with the engagement means of stationary guide rails support cylinders in the stationary cylinder side the rotary irradiation room for particle beam therapy, characterized in that provided.
  2. 【請求項2】 前記係合部を係合穴とし、前記係止手段を前記係合穴に係止ロッドを挿脱させる伸縮装置にしたことを特徴とする請求項1に記載の粒子線治療用回転照射室。 Wherein the engagement portion and the engagement hole, the engagement particle beam according stopping means to claim 1, characterized in that the expansion device for inserting and removing the locking rod with the engagement hole treatment use rotation irradiation chamber.
  3. 【請求項3】 前記係合穴と、前記係止ロッドを挿脱させる伸縮装置とを、前記粒子線照射部の回転方向の両側に設けたことを特徴とする請求項2に記載の粒子線治療用回転照射室。 Wherein said engagement hole, particle beam according to claim 2, the expansion device and for inserting and removing the locking rod, characterized in that provided on both sides of the rotational direction of the particle beam irradiation section therapy rotating irradiation chamber.
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