JPH07275811A - Endoscope cleaning and disinfecting device - Google Patents
Endoscope cleaning and disinfecting deviceInfo
- Publication number
- JPH07275811A JPH07275811A JP6073022A JP7302294A JPH07275811A JP H07275811 A JPH07275811 A JP H07275811A JP 6073022 A JP6073022 A JP 6073022A JP 7302294 A JP7302294 A JP 7302294A JP H07275811 A JPH07275811 A JP H07275811A
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- Prior art keywords
- water
- endoscope
- tank
- cleaning
- strongly
- 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.)
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、使用後の内視鏡を洗
浄消毒するための内視鏡洗浄消毒装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope cleaning / disinfecting apparatus for cleaning and disinfecting an endoscope after use.
【０００２】[0002]
【従来の技術】従来の内視鏡洗浄消毒装置は、細かい工
程はいろいろあるが、基本的には、槽内に収容した内視
鏡を洗浄水で洗浄した後、例えばグルタラール系、ヨウ
素系又は過酸化水素系の消毒用薬液に所定時間浸漬させ
ていた。2. Description of the Related Art A conventional endoscope cleaning / disinfecting apparatus has various fine steps, but basically, after cleaning an endoscope housed in a tank with cleaning water, for example, glutaral type, iodine type or It was immersed in a hydrogen peroxide-based disinfecting chemical for a predetermined time.
【０００３】[0003]
【発明が解決しようとする課題】しかし上記のような消
毒用薬液で内視鏡を充分に消毒するためには、内視鏡を
その液中に相当長時間浸漬する必要がある。そのため、
次の内視鏡使用までの間隔が空き過ぎてしまったり、長
時間浸漬によって内視鏡が次第に劣化してしまう等の欠
点があった。また、消毒用薬液を排水すると環境面でも
好ましくなかった。However, in order to sufficiently disinfect the endoscope with the above-mentioned disinfecting chemical solution, it is necessary to immerse the endoscope in the solution for a considerably long time. for that reason,
However, there are drawbacks such as that the interval before the next use of the endoscope is too long, and that the endoscope gradually deteriorates due to long-term immersion. Further, draining the disinfecting chemical solution was not preferable from the environmental aspect.
【０００４】そこで本発明は、内視鏡を劣化させること
なく内視鏡の消毒を短時間で行うことができ、しかも排
水による環境問題等も生じない内視鏡洗浄消毒装置を提
供することを目的とする。Therefore, the present invention provides an endoscope cleaning / disinfecting apparatus capable of disinfecting an endoscope in a short time without deteriorating the endoscope and causing no environmental problem due to drainage. To aim.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の内視鏡洗浄消毒装置は、水を電気分解して
強酸性水と強アルカリ性還元水とを生成、分離する水電
解分離手段と、内視鏡を収容するための内視鏡収容槽
と、上記内視鏡収容槽内に上記水電解分離手段で生成さ
れた強酸性水を溜めて所定時間経過後に排水する制御手
段とを設けたことを特徴とする。In order to achieve the above object, the endoscope cleaning / disinfecting apparatus of the present invention is a water electrolysis apparatus for electrolyzing water to generate and separate strongly acidic water and strongly alkaline reduced water. Separation means, endoscope housing tank for housing the endoscope, and control means for accumulating the strongly acidic water generated by the water electrolysis separation means in the endoscope housing tank and draining it after a predetermined time elapses And is provided.
【０００６】なお、上記制御手段が、上記強酸性水と時
間をずらして、上記強アルカリ性還元水を上記内視鏡収
容槽内に溜めて所定時間経過後に排水するようにしても
よい。The control means may be arranged to stagger the time with the strongly acidic water so as to store the strongly alkaline reduced water in the endoscope accommodating tank and drain it after a lapse of a predetermined time.
【０００７】[0007]
【実施例】図面を参照して実施例を説明する。図１は、
内視鏡洗浄消毒装置の全体構成を示し、図２はその装置
の外観を示している。Embodiments will be described with reference to the drawings. Figure 1
The overall configuration of the endoscope cleaning / disinfecting apparatus is shown, and FIG. 2 shows the appearance of the apparatus.
【０００８】１は、水を電気分離して強酸性水と強アル
カリ性還元水とを生成し、それらを分離する水電解分離
槽である。この水電解分離槽１は、図３に示されるよう
に、陽極１ａと陰極１ｂの両電極が、隔膜１ｃで仕切ら
れた槽の両側に分けて配置されていて、陽極１ａの槽側
には食塩溶解水が供給され、陰極１ｂの槽側には水（水
道水）が供給される。Reference numeral 1 denotes a water electrolysis separation tank for electrically separating water to generate strongly acidic water and strongly alkaline reduced water and separating them. In this water electrolysis separation tank 1, as shown in FIG. 3, both electrodes of an anode 1a and a cathode 1b are separately arranged on both sides of a tank partitioned by a diaphragm 1c. Salt-dissolved water is supplied, and water (tap water) is supplied to the tank side of the cathode 1b.
【０００９】その結果、陽極１ａ側の槽内では、 ４ＯＨ-＋２ｅ+→Ｏ2＋２Ｈ2Ｏ の反応が起きてＯＨ-が消費され、Ｈ+が増加することに
より酸性水が生成される。As a result, in the tank on the side of the anode 1a, a reaction of 4OH − + 2e + → O 2 + 2H 2 O occurs, OH − is consumed, and H + is increased to generate acidic water.
【００１０】また、食塩（ＮａＣｌ）のＮａ+が隔膜１
ｃを通過して陰極１ｂ側の槽内に移動するので、陽極１
ａ側に残った塩素が水と反応し、 Ｃｌ2＋Ｈ2Ｏ→ＨＯＣｌ＋ＨＣｌ （ＨＯＣＬ⇔ＯＣｌ-＋Ｈ2） という反応が行われる。Further, Na + of sodium chloride (NaCl) is used as the diaphragm 1.
Since it passes through c and moves into the bath on the cathode 1b side,
The chlorine remaining on the a side reacts with water, and a reaction of Cl 2 + H 2 O → HOCl + HCl (HOCL⇔OCl − + H 2 ) is performed.
【００１１】一方、陰極１ｂ側では、 ２Ｈ+＋２ｅ-→Ｈ2 の反応が起きてＨ+が消費され、ＯＨ-が増加することに
よりアルカリ性水が生成される。On the other hand, on the side of the cathode 1b, a reaction of 2H + + 2e − → H 2 occurs, H + is consumed, and OH − is increased to generate alkaline water.
【００１２】このような構成の水電解分離槽１の両電極
１ａ，１ｂに高電圧をかけて、槽内に強い電荷を与える
と、例えばｐＨ（水素イオン濃度）が２．５でＯＲＰ
（酸化還元電位）が＋１１５０mVの強酸性水と、例えば
ｐＨが１１でＯＲＰが−９００mVの強アルカリ性還元水
とが生成される。When a high voltage is applied to both electrodes 1a, 1b of the water electrolysis separation tank 1 having such a structure to give a strong electric charge to the inside of the tank, for example, pH (hydrogen ion concentration) is 2.5 and ORP is performed.
Strongly acidic water having a (oxidation-reduction potential) of +1150 mV and strongly alkaline reduced water having a pH of 11 and an ORP of -900 mV are produced.
【００１３】図１に戻って、水電解分離槽１でこのよう
にして生成された強アルカリ性還元水と強酸性水とは、
アルカリ水タンク２と酸水タンク３とに分けて貯えられ
る。４は装置の主電源スイッチであり、水電解分離槽１
の電極１ａ，１ｂのオン、オフもこのスイッチ４によっ
て行われる。Returning to FIG. 1, the strongly alkaline reduced water and the strongly acidic water thus produced in the water electrolysis separation tank 1 are:
It is stored separately in the alkaline water tank 2 and the acid water tank 3. 4 is a main power switch of the apparatus, which is a water electrolysis separation tank 1
The switch 4 also turns on and off the electrodes 1a and 1b.
【００１４】６は、内視鏡を洗浄及び消毒するための内
視鏡収容槽であり、アルカリ水タンク２内の強アルカリ
性還元水と酸水タンク３内の強酸性水とを、第１と第２
のポンプ７，８によって選択的に内視鏡収容槽６内に送
り込み、内視鏡収容槽６内に溜めることができる。Reference numeral 6 denotes an endoscope storage tank for cleaning and disinfecting the endoscope, which stores the strongly alkaline reduced water in the alkaline water tank 2 and the strongly acidic water in the acid water tank 3 as first and second. Second
The pumps 7 and 8 can selectively feed it into the endoscope housing tank 6 and store it in the endoscope housing tank 6.
【００１５】内視鏡収容槽６の底部には、内視鏡収容槽
６内で水流を起こすための水流用モータ９と、電磁的に
開閉駆動される排水弁１０とが配置されている。また、
内視鏡収容槽６内の上下両端水位を検出するための第１
と第２のセンサ１１，１２と、内視鏡収容槽６内の水の
ｐＨとＯＲＰとを検出するための第３のセンサ１３が、
内視鏡収容槽６内に配置されている。At the bottom of the endoscope storage tank 6, a water flow motor 9 for causing a water flow in the endoscope storage tank 6 and a drain valve 10 that is electromagnetically driven to open and close are arranged. Also,
First for detecting the water level at both upper and lower ends in the endoscope housing tank 6
And the second sensors 11 and 12, and the third sensor 13 for detecting the pH and ORP of the water in the endoscope housing tank 6,
It is arranged in the endoscope storage tank 6.
【００１６】１５は、装置の動作を制御するための、中
央演算装置（ＣＰＵ）１６とタイマ（ＴＭ）１７などを
含む制御部である。この制御部１５の信号入力端子に
は、装置前面のコントロールパネルに設けられた洗浄・
消毒スイッチ１８及び、第１ないし第３のセンサ１１，
１２，１３から出力される検知信号をディジタル化して
出力する検知回路１９などが接続されている。Reference numeral 15 is a control unit including a central processing unit (CPU) 16 and a timer (TM) 17 for controlling the operation of the apparatus. The signal input terminal of the control unit 15 is provided with a washing / cleaning unit provided on the control panel on the front of the apparatus.
The disinfection switch 18 and the first to third sensors 11,
A detection circuit 19 for digitizing and outputting the detection signals output from 12 and 13 is connected.
【００１７】また、制御部１５の出力端子には、第１と
第２のポンプ７，８をオン、オフするためのポンプスイ
ッチ２１、排水弁１０を開閉するための排水弁スイッチ
２２、水流用モータ９の駆動回路、コントロールパネル
のＰＨ・ＯＲＰ表示器２３及びブザー２４などが接続さ
れている。At the output terminal of the control unit 15, a pump switch 21 for turning on and off the first and second pumps 7 and 8, a drain valve switch 22 for opening and closing the drain valve 10, and a water flow. The drive circuit of the motor 9, the PH / ORP display 23 of the control panel, the buzzer 24, etc. are connected.
【００１８】次に、実施例装置の各部の動作を、図４の
タイムチャート及び制御部１５において動作制御処理を
行うための図５及び図６のフローチャートをも参照して
説明をする。Ｓは処理ステップを示す。Next, the operation of each section of the embodiment apparatus will be described with reference to the time chart of FIG. 4 and the flowcharts of FIGS. 5 and 6 for performing the operation control processing in the control section 15. S indicates a processing step.
【００１９】排水弁１０は常時は閉じている。そして、
主電源スイッチ４がオンされると、水電解分離槽１に電
圧が印加されて、強アルカリ性還元水と強酸性水とが生
成され、強アルカリ性還元水と強酸性水とがアルカリ水
タンク２と酸水タンク３とに分けて貯えられる（Ｓ
１）。The drain valve 10 is normally closed. And
When the main power switch 4 is turned on, a voltage is applied to the water electrolysis separation tank 1 to generate strongly alkaline reduced water and strongly acidic water, and the strongly alkaline reduced water and strongly acidic water form an alkaline water tank 2. It is stored separately in the acid water tank 3 (S
1).
【００２０】内視鏡収容槽６内に内視鏡をセットした
後、洗浄・消毒スイッチ１８を短時間オンにすると、第
１のポンプ７が駆動を始めて（Ｓ２）、内視鏡収容槽６
内に強アルカリ性還元水が溜められる（Ｓ３）。When the cleaning / disinfecting switch 18 is turned on for a short time after the endoscope is set in the endoscope housing tank 6, the first pump 7 starts driving (S2), and the endoscope housing tank 6 is started.
Strongly alkaline reduced water is stored inside (S3).
【００２１】そして、第１のセンサ１１が上端水位を検
知すると第１のポンプ７が止められ（Ｓ４）、強アルカ
リ性還元水のｐＨとＯＲＰを第３のセンサ１３で検知し
て表示し（Ｓ５）、水流用モータ９を駆動して、強アル
カリ性還元水による内視鏡洗浄を行う（Ｓ６）。When the first sensor 11 detects the water level at the upper end, the first pump 7 is stopped (S4), and the pH and ORP of the strongly alkaline reduced water are detected and displayed by the third sensor 13 (S5). ), The water flow motor 9 is driven to clean the endoscope with strong alkaline reduced water (S6).
【００２２】そして、所定の洗浄時間Ｘ１が経過した
ら、水流用モータ９を止め（Ｓ７）、排水弁１０を開い
て内視鏡収容槽６内から強アルカリ性還元水を排水し
（Ｓ８）、第２のセンサ１２が下端水位を検知したら排
水弁１０を閉じる（Ｓ９）。When the predetermined cleaning time X1 has elapsed, the water flow motor 9 is stopped (S7), the drain valve 10 is opened to drain the strong alkaline reduced water from the endoscope housing tank 6 (S8), When the second sensor 12 detects the lower end water level, the drain valve 10 is closed (S9).
【００２３】続いて、第２のポンプ８を駆動して、第１
のセンサ１１が上端水位を検知するまで内視鏡収容槽６
内に強酸性水を溜め（Ｓ１０，１１）、そのｐＨとＯＲ
Ｐを第３のセンサ１３で検知して表示し（Ｓ１２）、水
流用モータ９を駆動して、強酸性水による内視鏡の消毒
を行う。Then, the second pump 8 is driven to drive the first pump 8.
Until the sensor 11 detects the upper end water level.
Strong acid water is stored inside (S10, 11), and its pH and OR
P is detected by the third sensor 13 and displayed (S12), and the water flow motor 9 is driven to disinfect the endoscope with strongly acidic water.
【００２４】そして、所定の消毒時間Ｘ２が経過したら
水流用モータ９を止める（Ｓ１４）。この間の消毒時間
は、従来の消毒用薬液による消毒と比べると、非常に短
時間で完全な消毒効果を得ることができ、例えば消毒時
間は１分間程度とればよく、洗浄工程と合わせても全部
で数分間の時間で済む。When the predetermined disinfection time X2 has elapsed, the water flow motor 9 is stopped (S14). Compared with the conventional disinfection using the disinfecting chemical solution, the disinfection time during this period can achieve a complete disinfection effect in a very short time. It only takes a few minutes.
【００２５】続いて、排水弁１０を開いて内視鏡収容槽
６内から強酸性水を排水し（Ｓ１５）、内視鏡収容槽６
の底部にある第２のセンサ１２が下端水位を検知した
ら、排水弁１０を閉じる（Ｓ１６）。Then, the drain valve 10 is opened to drain the strongly acidic water from the endoscope storage tank 6 (S15), and the endoscope storage tank 6 is discharged.
When the second sensor 12 at the bottom of the bottom detects the lower end water level, the drain valve 10 is closed (S16).
【００２６】そして、再び第１のポンプ７を駆動して、
第１のセンサ１１が上端水位を検知するまで内視鏡収容
槽６内に強アルカリ性還元水を溜めて内視鏡を洗浄し
（Ｓ１７，１８）、そのｐＨとＯＲＰを第３のセンサ１
３で検知して表示する（Ｓ１９）。Then, the first pump 7 is driven again,
Until the first sensor 11 detects the water level at the upper end, strong alkaline reducing water is stored in the endoscope housing tank 6 to wash the endoscope (S17, 18), and the pH and ORP are set to the third sensor 1
It is detected in 3 and displayed (S19).
【００２７】続いて、排水弁１０を開いて内視鏡収容槽
６内の強アルカリ性還元水を排水し（Ｓ２０）、ブザー
２４を鳴らして洗浄及び消毒の終了をオペレータに伝え
る（Ｓ２１）。Subsequently, the drain valve 10 is opened to drain the strongly alkaline reduced water in the endoscope storage tank 6 (S20), and the buzzer 24 is sounded to notify the operator of the completion of cleaning and disinfection (S21).
【００２８】そして、洗浄・消毒スイッチ１８からの入
力で次の内視鏡の洗浄、消毒があれば、アルカリ水タン
ク２と酸水タンク３内の強アルカリ性還元水と強酸性水
を排水せずに、次の内視鏡の洗浄、消毒を上述と同様に
行い（Ｓ２２）、次の内視鏡の洗浄、消毒がなければ、
アルカリ水タンク２と酸水タンク３内の水抜きをして
（Ｓ２３）、終了する。If the endoscope is cleaned and disinfected next time by inputting from the cleaning / disinfecting switch 18, the strongly alkaline reducing water and the strongly acidic water in the alkaline water tank 2 and the acid water tank 3 are not drained. Then, the next cleaning and disinfection of the endoscope is performed in the same manner as described above (S22), and if there is no next cleaning and disinfection of the endoscope,
The alkaline water tank 2 and the acid water tank 3 are drained (S23), and the process ends.
【００２９】なお、本装置から排水される強アルカリ性
還元水と強酸性水は、共に空気や光その他の物質に接触
することにより比較的短時間で水に戻るので、そのまま
排水をしても環境衛生上問題がない。Since the strongly alkaline reduced water and the strongly acidic water drained from this device both return to water in a relatively short time when they come into contact with air, light or other substances, even if they are drained as they are, the environment is reduced. There is no problem in hygiene.
【００３０】[0030]
【発明の効果】本発明によれば、内視鏡を強酸性水で消
毒することができるので、非常に短時間で消毒を行うこ
とができ、したがって、内視鏡を劣化させることもほと
んどなく、強酸性水は排水すれば普通の水に戻るので環
境上の問題も生じない。According to the present invention, since the endoscope can be sterilized with the strongly acidic water, the sterilization can be performed in a very short time, and therefore the endoscope is hardly deteriorated. However, if strong acidic water is drained, it returns to normal water, so there is no environmental problem.
【００３１】そして、強酸性水を生成する際に同時に生
じる強アルカリ性還元水で内視鏡を洗浄すれば、大量の
水を消費することなく、省資源的に内視鏡の洗浄、消毒
を行うことができる。If the endoscope is washed with strong alkaline reduced water which is produced at the same time when the strongly acidic water is produced, the endoscope is washed and disinfected in a resource-saving manner without consuming a large amount of water. be able to.
【図１】実施例の全体構成ブロック図である。FIG. 1 is an overall configuration block diagram of an embodiment.
【図２】実施例の外観斜視図である。FIG. 2 is an external perspective view of the embodiment.
【図３】実施例の水電解分離槽の略示図である。FIG. 3 is a schematic view of a water electrolysis separation tank of an example.
【図４】実施例の動作を示すタイムチャート図である。FIG. 4 is a time chart showing the operation of the embodiment.
【図５】実施例の制御処理フロー図である。FIG. 5 is a control processing flowchart of the embodiment.
【図６】実施例の制御処理フロー図である。FIG. 6 is a control processing flowchart of the embodiment.
１ 水電解分離槽 ２ アルカリ水タンク ３ 酸水タンク ６ 内視鏡収容槽 １０ 排水弁 １５ 制御部 1 Water Electrolysis Separation Tank 2 Alkaline Water Tank 3 Acid Water Tank 6 Endoscope Storage Tank 10 Drain Valve 15 Control Section
Claims (2)
還元水とを生成、分離する水電解分離手段と、 内視鏡を収容するための内視鏡収容槽と、 上記内視鏡収容槽内に上記水電解分離手段で生成された
強酸性水を溜めて所定時間経過後に排水する制御手段と
を設けたことを特徴とする内視鏡洗浄消毒装置。1. A water electrolysis separation means for electrolyzing water to generate and separate strongly acidic water and strongly alkaline reduced water, an endoscope housing tank for housing an endoscope, and the endoscope described above. An endoscope cleaning and disinfecting apparatus, which is provided with a control means for accumulating the strongly acidic water generated by the water electrolysis separation means in the storage tank and discharging it after a predetermined time elapses.
らして、上記強アルカリ性還元水を上記内視鏡収容槽内
に溜めて所定時間経過後に排水する請求項１記載の内視
鏡洗浄消毒装置。2. The endoscope according to claim 1, wherein the control means staggers the time with the strongly acidic water, collects the strongly alkaline reduced water in the endoscope accommodating tank, and drains the water after a lapse of a predetermined time. Cleaning and disinfecting equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07302294A JP3431266B2 (en) | 1994-04-12 | 1994-04-12 | Endoscope cleaning and disinfecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07302294A JP3431266B2 (en) | 1994-04-12 | 1994-04-12 | Endoscope cleaning and disinfecting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07275811A true JPH07275811A (en) | 1995-10-24 |
| JP3431266B2 JP3431266B2 (en) | 2003-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07302294A Expired - Fee Related JP3431266B2 (en) | 1994-04-12 | 1994-04-12 | Endoscope cleaning and disinfecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3431266B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998029028A1 (en) * | 1996-12-27 | 1998-07-09 | Koshin Ltd. | Endoscope cleaning apparatus |
| US6106691A (en) * | 1998-02-12 | 2000-08-22 | T.R.P Co., Ltd. | Medical instrument sterilizing and washing method and apparatus |
| EP1625822A1 (en) * | 2003-05-21 | 2006-02-15 | Kripton Co., Ltd. | Method of cleaning and sterilizing endoscopic camera equipment, etc. and apparatus therefor |
| WO2008059648A1 (en) * | 2006-11-16 | 2008-05-22 | Minoru Kanno | Method of cleaning endoscope and cleaning apparatus |
| CN100413606C (en) * | 1996-03-27 | 2008-08-27 | 阿尔卑斯电气株式会社 | Cleaning Method |
-
1994
- 1994-04-12 JP JP07302294A patent/JP3431266B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100413606C (en) * | 1996-03-27 | 2008-08-27 | 阿尔卑斯电气株式会社 | Cleaning Method |
| WO1998029028A1 (en) * | 1996-12-27 | 1998-07-09 | Koshin Ltd. | Endoscope cleaning apparatus |
| US6106691A (en) * | 1998-02-12 | 2000-08-22 | T.R.P Co., Ltd. | Medical instrument sterilizing and washing method and apparatus |
| EP1625822A1 (en) * | 2003-05-21 | 2006-02-15 | Kripton Co., Ltd. | Method of cleaning and sterilizing endoscopic camera equipment, etc. and apparatus therefor |
| EP1625822A4 (en) * | 2003-05-21 | 2007-11-07 | Kripton Co Ltd | Method of cleaning and sterilizing endoscopic camera equipment, etc. and apparatus therefor |
| AU2004241863B2 (en) * | 2003-05-21 | 2009-04-23 | Kripton Co., Ltd. | Method of cleaning and sterilizing endoscopic camera equipment, etc. and apparatus therefor |
| US7922822B2 (en) | 2003-05-21 | 2011-04-12 | Kripton Co., Ltd. | Method for cleaning and sterilizing endoscopic camera |
| WO2008059648A1 (en) * | 2006-11-16 | 2008-05-22 | Minoru Kanno | Method of cleaning endoscope and cleaning apparatus |
| US7964546B2 (en) | 2006-11-16 | 2011-06-21 | Minoru Kanno | Endoscope cleaning method and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3431266B2 (en) | 2003-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |