JP2812402B2 - Conversion X-ray irradiation container - Google Patents
Conversion X-ray irradiation containerInfo
- Publication number
- JP2812402B2 JP2812402B2 JP2254215A JP25421590A JP2812402B2 JP 2812402 B2 JP2812402 B2 JP 2812402B2 JP 2254215 A JP2254215 A JP 2254215A JP 25421590 A JP25421590 A JP 25421590A JP 2812402 B2 JP2812402 B2 JP 2812402B2
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- irradiation container
- rays
- irradiation
- ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Apparatus For Disinfection Or Sterilisation (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は、Ｘ線を電子線加速器によって加速された
電子線をＸ線に変換して行う医療用具等の滅菌方法に使
用する変換Ｘ線の照射容器に関するものであり、かつ、
その他の分野でも高エネルギーＸ線を要する場合にはい
ずれも適用できるものである。Description: TECHNICAL FIELD The present invention relates to a conversion X-ray used for a method of sterilizing medical devices or the like, which converts an X-ray into an X-ray by accelerating an electron beam accelerated by an electron beam accelerator. The irradiation container, and
In other fields, when high-energy X-rays are required, any can be applied.
（従来の技術） 医療用具の滅菌には、従来次のような方法が主に用い
られている。(Prior Art) The following methods have been mainly used for sterilization of medical devices.
（１）医療用具をエチレンオキサイドガス（以下「EO
G」という）中に一定時間さらすことにより滅菌する。(1) Ethylene oxide gas (hereinafter referred to as “EO”)
G)) for a certain period of time.
（２）医療用具を高圧高温の蒸気中に一定時間さらすこ
とにより滅菌する。(2) Sterilize the medical device by exposing it to high pressure and high temperature steam for a certain period of time.
（３）放射性元素（例えば60Co等）から放出されるγ
（ガンマ）線を医療用具に照射することにより滅菌す
る。(3) γ released from radioactive elements (for example, 60 Co)
Sterilize by irradiating (gamma) rays to the medical device.
（４）Ｘ線ターゲット（電子線をＸ線に変換する装置）
から発生するＸ線を医療用具に照射することにより滅菌
する。従来、変換Ｘ線による滅菌は第２図に示すような
配置で行われている。つまり、電子線加速器６と医療用
具等の被照射物５の間に電子線−Ｘ線変換装置２を設置
し、被照射物収容容器の側壁３が垂直である搬送システ
ム４′の上に被照射物５を置き、上方あるいは側方から
Ｘ線照射して滅菌を行っている。(4) X-ray target (device for converting electron beam to X-ray)
The medical device is sterilized by irradiating the medical device with X-rays generated from. Conventionally, sterilization by converted X-ray has been performed in an arrangement as shown in FIG. That is, the electron beam-X-ray converter 2 is installed between the electron beam accelerator 6 and the irradiation target 5 such as a medical tool, and the irradiation target container is placed on a transport system 4 'in which the side wall 3 is vertical. The irradiated object 5 is placed and sterilized by X-ray irradiation from above or from the side.
上記従来の技術の（１）に述べた方法は、EOGは猛毒
であるため、医療用具にEOGが少量でも残留していると
危険である。In the method described in the above-mentioned prior art (1), since EOG is highly toxic, it is dangerous if a small amount of EOG remains in a medical device.
そして、同（２）に述べた方法は、高圧高温の蒸気中
にさらすため、この方法を使用できる医療用具は高圧高
温に耐えることができるものに限られる。In the method described in (2), since the medical device is exposed to high-pressure and high-temperature steam, medical devices that can use this method are limited to those that can withstand high-pressure and high-temperature.
さらに、上記（１），（２）の方法は、一定時間気体
雰囲気中にさらすことが必要であるため、単位時間あた
りに滅菌処理できる医療用具の個数が少ない。Furthermore, the methods (1) and (2) require exposure to a gas atmosphere for a certain period of time, so that the number of medical devices that can be sterilized per unit time is small.
同（３）に述べた方法は、使用済の放射性元素であっ
ても、低レベルの放射性廃棄物であるため、この低レベ
ルの放射性廃棄物を定期的に処理する必要がある。In the method described in (3), even a used radioactive element is a low-level radioactive waste. Therefore, it is necessary to periodically treat the low-level radioactive waste.
同（４）に述べた方法は、電子線−Ｘ線変換装置２′
のコストが多大であるのみならず、当該装置が大がかり
になるため、この装置を冷却するために大規模な冷却施
設が必要となる。また、この方法であると、収容容器内
の被照射物へのＸ線の分布が不均一となっていた。すな
わちＸ線照射にムラが生じ、効率的な滅菌処理が行われ
なかった。The method described in (4) uses the electron beam-X-ray converter 2 '.
In addition to the large cost, the apparatus becomes large-scale, so that a large-scale cooling facility is required to cool the apparatus. In addition, according to this method, the distribution of X-rays to the irradiation object in the storage container is not uniform. That is, unevenness occurred in X-ray irradiation, and efficient sterilization was not performed.
（発明が解決しようとする課題） この発明は、上記従来技術のうちのＸ線照射による方
法の問題点に鑑み、安全かつ汎用性に富み、単位時間の
処理量を多くでき、低コストでＸ線照射ムラがなく、か
つ効率的に医療用具等を滅菌処理可能な変換Ｘ線による
滅菌用の照射容器を提供することを目的とする。(Problems to be Solved by the Invention) The present invention has been made in view of the problems of the method using X-ray irradiation among the above-mentioned prior arts, and is safe, versatile, can process a large amount of time per unit time, and has a low cost. It is an object of the present invention to provide an irradiation container for sterilization using converted X-rays, which is capable of efficiently sterilizing a medical device or the like without irradiation unevenness of a radiation.
変換Ｘ線照射容器をＸ線を反射する材質からなる側壁
をそなえた被照射物を収容する照射容器と、電子線加速
器により加速された電子線をＸ線に変換可能な物質から
なる天板とで構成した。A conversion X-ray irradiation container for storing an irradiation object having a side wall made of a material reflecting X-rays, and a top plate made of a substance capable of converting an electron beam accelerated by an electron beam accelerator into X-rays. It consisted of.
又照射容器の側壁を電子線加速器に向って拡開させて
広口にし、Ｘ線が側壁で反射して被照射物へのＸ線照射
を効率的に行い得るようにした。Further, the side wall of the irradiation container is expanded toward the electron beam accelerator so as to have a wide mouth, so that X-rays are reflected on the side wall and X-rays can be efficiently radiated to the irradiation object.
さらに、前記変換Ｘ線照射容器を搬送システムにより
走行可能とした。Further, the converted X-ray irradiation container can be run by a transport system.
（実施例） 第１図に基いて本発明の一実施例を説明する。第１図
は電子線加速器により加速された電子線をＸ線に変換し
て行う医療用具の滅菌方法を簡便に実施する装置の一例
を示す。(Embodiment) An embodiment of the present invention will be described with reference to FIG. FIG. 1 shows an example of an apparatus for easily carrying out a method for sterilizing a medical device by converting an electron beam accelerated by an electron beam accelerator into X-rays.
本考案に係る変換Ｘ線による滅菌装置は、電子線加速
器６と照射容器１とから構成される。The conversion X-ray sterilizer according to the present invention includes the electron beam accelerator 6 and the irradiation container 1.
電子線加速器６により加速された電子線は照射容器１
の上蓋として取付けられた天板２に照射される。The electron beam accelerated by the electron beam accelerator 6 is applied to the irradiation vessel 1
The top plate 2 attached as an upper lid is irradiated.
ところで、天板２はタンタル，タングステン，その
他、電子線をＸ線に変換することの可能な物質からなる
板状の上蓋である。天板２はこのように電子線をＸ線に
変換することの可能な物質からなるので、従来の滅菌装
置における電子線−Ｘ線変換装置２′（第２図）の機能
を果たすものである。Meanwhile, the top plate 2 is a plate-shaped upper lid made of tantalum, tungsten, or another substance capable of converting an electron beam into X-rays. Since the top plate 2 is made of a substance capable of converting an electron beam into X-rays in this manner, it functions as an electron beam-X-ray converter 2 '(FIG. 2) in a conventional sterilizer. .
従って、加速された電子線は天板２によりＸ線に変換
される。変換されたＸ線は、照射容器１内に置かれた被
照射物５である医療用具等に照射されることにより、当
該医療用具は滅菌される。Therefore, the accelerated electron beam is converted into X-rays by the top 2. The converted X-rays are irradiated on a medical device or the like, which is an object to be irradiated 5 placed in the irradiation container 1, so that the medical device is sterilized.
なお、一般には滅菌される医療用具等は箱づめされた
状態で照射される場合が多い。In general, medical equipment to be sterilized is often irradiated in a boxed state.
照射容器１の側壁３は、鉄などのＸ線を反射する物質
で構成されている。さらに、照射容器１はその側壁を加
速された電子線を漏れなく受け入れるために電子線加速
器に向って拡開して広口にしておくとよい（第３図〜第
５図）。The side wall 3 of the irradiation container 1 is made of a substance that reflects X-rays such as iron. Furthermore, in order to receive the accelerated electron beam without leakage, the irradiation container 1 may be expanded toward the electron beam accelerator to have a wide mouth (FIGS. 3 to 5).
そして、照射容器１は搬送システム４上に取り付けら
れており、電子線加速器６の下方を一定速度で通過移動
できるようにしてある。搬送システム４は第１図の搬送
台車に限らず、コンベア等も考えられる。The irradiation container 1 is mounted on a transport system 4 so that the irradiation container 1 can move below the electron beam accelerator 6 at a constant speed. The transport system 4 is not limited to the transport cart shown in FIG. 1, but may be a conveyor or the like.
また、上記実施例は、電子線加速器６を下向きに設置
して、その下方を通過するものであるが、図示しない
が、電子線加速器６を横向きに設置して、その横側を照
射容器１が通過するように配置してもよい。In the above-described embodiment, the electron beam accelerator 6 is installed downward and passes below it. However, although not shown, the electron beam accelerator 6 is installed horizontally and the side of the electron beam accelerator 6 is irradiated to the irradiation container 1. May be arranged to pass through.
（発明の効果） 従来型（第２図）のように、電子線−Ｘ線変換装置
２′を必要とせず、電子線をＸ線に変換することの可能
な物質からなる天板２を照射容器１の上蓋として用いた
ことにより、大規模な冷却施設が不要となり、低コスト
の滅菌装置を提供できる。(Effect of the Invention) Unlike the conventional type (FIG. 2), the top plate 2 made of a substance capable of converting an electron beam into an X-ray without irradiating the electron beam-X-ray converter 2 'is irradiated. By using it as the upper lid of the container 1, a large-scale cooling facility is not required, and a low-cost sterilizer can be provided.
照射容器の側壁をＸ線が反射する材質で構成したこと
により、医療用具等の被照射物内部までＸ線を一様に分
布させることが可能となり、照射ムラのない効率の良い
滅菌処理が可能となる。The irradiation container is made of a material that reflects X-rays, so that X-rays can be evenly distributed to the inside of the object to be irradiated, such as medical tools, so that efficient sterilization without irradiation unevenness is possible. Becomes
照射容器の側壁を電子線加速器に向けて拡開させて広
口にすることによりＸ線を有効に利用できる。X-rays can be used effectively by widening the side wall of the irradiation container toward the electron beam accelerator to make it wider.
又、照射容器を搬送システム上に取り付けるならば、
一定速度で電子線加速器の下方を次々に通過させること
により、単位時間の滅菌処理量を多くすることができ
る。Also, if the irradiation container is mounted on a transport system,
By successively passing below the electron beam accelerator at a constant speed, the amount of sterilization processing per unit time can be increased.
第１図は本発明に係る変換Ｘ線による滅菌処理装置の配
置を示す。 第２図は従来の変換Ｘ線による滅菌処理装置の配置を示
す。 第３図は本発明に係る照射容器の立面図。 第４図は本発明に係る照射容器の側面図。 第５図は本発明に係る照射容器の平面図。 図において； １……照射容器、２……天板 ２′……電子線−Ｘ線変換装置 ３……側壁、４……搬送システム ５……被照射物、６……電子線加速器FIG. 1 shows the arrangement of a sterilization apparatus using converted X-rays according to the present invention. FIG. 2 shows an arrangement of a conventional sterilization apparatus using converted X-rays. FIG. 3 is an elevation view of the irradiation container according to the present invention. FIG. 4 is a side view of the irradiation container according to the present invention. FIG. 5 is a plan view of the irradiation container according to the present invention. In the drawing: 1 ... irradiation container, 2 ... top plate 2 '... electron beam-X-ray converter 3 ... side wall, 4 ... transport system 5 ... irradiated object, 6 ... electron beam accelerator
Claims (3)
た被照射物を収容する照射容器と、電子線加速器により
加速された電子線をＸ線に変換可能な物質からなる天板
とからなる変換Ｘ線照射容器。1. An irradiation container containing an object to be irradiated having a side wall made of a material reflecting X-rays, and a top plate made of a substance capable of converting an electron beam accelerated by an electron beam accelerator into X-rays. Converted X-ray irradiation container.
開して広口にした請求項第１項記載の変換Ｘ線照射容
器。2. The conversion X-ray irradiation container according to claim 1, wherein the side wall of the irradiation container is widened toward the electron beam accelerator to widen.
したことを特徴とする請求項第１項記載の変換Ｘ線照射
容器。3. The converted X-ray irradiation container according to claim 1, wherein the irradiation container can be run by a transport system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2254215A JP2812402B2 (en) | 1990-09-26 | 1990-09-26 | Conversion X-ray irradiation container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2254215A JP2812402B2 (en) | 1990-09-26 | 1990-09-26 | Conversion X-ray irradiation container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04132555A JPH04132555A (en) | 1992-05-06 |
| JP2812402B2 true JP2812402B2 (en) | 1998-10-22 |
Family
ID=17261863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2254215A Expired - Lifetime JP2812402B2 (en) | 1990-09-26 | 1990-09-26 | Conversion X-ray irradiation container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2812402B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMO20070137A1 (en) * | 2007-04-18 | 2008-10-19 | Maria Prudenziati | INTEGRATED, FLEXIBLE AND TOTALLY COMPUTERIZED INNOVATIVE SYSTEM FOR THE PRODUCTION AND STERILIZATION OF PREFORMATIONS AND / OR SHAPED PET BOTTLES AND DIFFERENT SIZES, THEIR SEALING AND MARKING. |
| JP2010114578A (en) | 2008-11-05 | 2010-05-20 | Ricoh Co Ltd | Image processing apparatus |
| CN102497722A (en) * | 2011-12-13 | 2012-06-13 | 江苏达胜加速器制造有限公司 | Under-beam cooling device for electron accelerator |
-
1990
- 1990-09-26 JP JP2254215A patent/JP2812402B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04132555A (en) | 1992-05-06 |
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