JP2000210299A - 手術装置 - Google Patents

手術装置

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Publication number
JP2000210299A
JP2000210299A JP11012177A JP1217799A JP2000210299A JP 2000210299 A JP2000210299 A JP 2000210299A JP 11012177 A JP11012177 A JP 11012177A JP 1217799 A JP1217799 A JP 1217799A JP 2000210299 A JP2000210299 A JP 2000210299A
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JP
Japan
Prior art keywords
battery
circuit
treatment
ultrasonic
surgical
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.)
Pending
Application number
JP11012177A
Other languages
English (en)
Inventor
Takeaki Nakamura
剛明 中村
Shinji Hatta
信二 八田
Akira Shiga
明 志賀
Koji Yasunaga
浩二 安永
Masaru Karasawa
勝 唐澤
Hiroyuki Yamamiya
広之 山宮
Takeshi Tsukagoshi
壯 塚越
Tomohisa Sakurai
友尚 櫻井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP11012177A priority Critical patent/JP2000210299A/ja
Priority to US09/428,349 priority patent/US6494827B1/en
Publication of JP2000210299A publication Critical patent/JP2000210299A/ja
Pending legal-status Critical Current

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Abstract

(57)【要約】 【課題】 重量のあるバッテリを把持操作する部分に設
けないで済み、その部分の重量を軽減して操作性を向上
できる手術装置を提供する。 【解決手段】 体腔内に挿入され、先端に処置部21を
設けた挿入部5の後端に一体的に設けられ、術者が把持
して操作するハンドピース部6内部には駆動部15を構
成する電気回路が設けられ、これらの電気回路はハンド
ピース部6から延出されたフレキシブルコード3により
バッテリ22を収納したバッテリハウジング4と接続さ
れ、術者が把持する部分を軽量化して処置する場合の操
作性を向上すると共に、バッテリ22の交換も簡単に行
えるようにした。

Description

【発明の詳細な説明】
【0001】
【発明の属する技術分野】本発明は体腔内に挿入して電
気的、超音波的処置等の手術を行う手術装置に関する。
【0002】
【従来の技術】近年、腹腔内あるいは関節腔内に挿入し
て観察、処置をする手段として光学視管と併用して電気
的、超音波的手術装置が広く用いられている。また、経
内視鏡的ではない手術装置として電気メスあるいは超音
波手術装置も広く用いられている。
【0003】一般に、1人の患者を手術する時は、前記
電気的、超音波的手術具を複数用いる事が多いので、そ
れぞれの手術具を駆動する装置が手術室に運び込まれ、
それでなくとも狭い部屋がこれら装置で多くのスペース
が奪われ、術者の処置がスムースに出来ないといった不
具合があった。
【0004】これを解決したものとして、特公平2−4
3501号公報がある。この特公平2−43501号公
報では、刺入案内用トラカールに処置用のドリル装置が
挿入され、前記ドリル装置のチャンネルには光学視管が
挿抜自在に装着出来るようになっている。ドリル装置の
挿入軸には先端に傘状の切削刃が取り付けられたドリル
シャフト及びフレキシブルな駆動軸が設けられ、駆動用
モータにより回転出来るようになっている。前記駆動用
モータはドリル装置の把持操作部内に設けられているバ
ッテリで駆動される。
【0005】
【発明が解決しようとする課題】この手術装置による
と、前記不具合は解消されるが、把持操作部に比較的重
量のあるバッテリが組み込まれるので手術装置の重量は
重くなり、長時間の手術を行うと、術者にかかる負担が
多く、精度を要する手術または長時間の手術を行うこと
が困難であった。
【0006】また、バッテリが手術装置の把持操作部に
設けられているので、手術中にバッテリが消耗し、手術
が不可能になった時、バッテリを交換するには手術装置
を一度術部から取り出し、交換しなければならないとい
う不具合もあった。
【0007】本発明は、上述した点に鑑みてなされたも
ので、比較的重量のあるバッテリを手術装置の把持して
操作する部分に設けないで済み、把持操作する部分の重
量を軽減して操作性を向上できる手術装置を提供するこ
とを目的としている。
【0008】
【課題を解決するための手段】上記の目的を達成するた
めに本発明は、体腔内に挿入される挿入部を備え、この
挿入部の後方にこの挿入部と一体化した操作部を設ける
と共に、前記挿入部の先端に切除、凝固などの処置を施
す処置部を設け、操作部に前記処置部を駆動する駆動部
を設けた手術装置において、前記駆動部に電源を供給す
るバッテリを収納するバッテリハウジングと前記手術装
置とをフレキシブルなコードで接続した事により、挿入
部と一体化された操作部、つまり把持して操作する部分
を軽量化して、操作性を向上すると共に、手術中にバッ
テリを交換する必要が生じたときに手術装置を術部から
取り出さなくてもよいのでバッテリ交換の簡便性をも向
上している。
【0009】
【発明の実施の形態】以下、図面を参照して本発明の実
施の形態を説明する。 (第1の実施の形態)図1及び図2は本発明の第1の実
施の形態に係り、図1は本発明の第1の実施の形態の超
音波手術装置の全体構成を示し、図2はその電気系の構
成を示す。図1に示すように本発明の第1の実施の形態
の超音波手術装置1は超音波で手術を行う超音波手術装
置本体2と、この超音波手術装置本体2に接続されるフ
レキシブルコード(或いはフレキシブルチューブ)3
と、このフレキシブルコード3の他端に着脱自在で接続
されるバッテリハウジング4とから構成される。
【0010】超音波手術装置本体2は体腔内に挿入され
る挿入部5と、この挿入部5の軸方向の後端に設けら
れ、術者が把持して操作を行う把持操作部となるハンド
ピース部6とが一体的に形成され、このハンドピース部
6には処置のオン、オフを行う操作スイッチ部7が設け
てある。
【0011】また、ハンドピース部6の例えば後端には
フレキシブルコード3の一方の端部のコネクタ8が着脱
自在に接続され、このフレキシブルコード3の他方の端
部のコネクタ9はバッテリハウジング4に着脱自在に接
続される。
【0012】図2に示すように挿入部5はシース11の
内部にプローブ12が挿通され、このプローブ12の後
端はハンドピース部6の外装ケース13内のホーン14
を介して駆動部15を構成する超音波振動子16と接続
されている。この超音波振動子16は例えばボルト締め
ランジュバン超音波振動子で構成されている。
【0013】この外装ケース13内には、超音波振動子
16とプローブ12の共振周波数をf1とする時、その
周波数f1の高周波信号を発生する発振器としての発振
回路17が内蔵されている。また、この外装ケース13
内には、発振回路17の発振信号を電力増幅して駆動信
号として出力する電力増幅手段としての増幅回路18
と、これを制御する制御回路19とが設けられている。
増幅回路18の出力信号は超音波振動子16の電極20
a,20bに印加されるようになっている。
【0014】上記操作スイッチ部7により、接点a,b
をオン或いはオフする操作を行うと、その信号は制御回
路19に入力され、この制御回路19は前記増幅回路1
8の増幅動作をオン或いはオフして駆動信号が超音波振
動子16に出力するのを制御する。
【0015】この場合、操作スイッチ部7をオン操作す
れば、制御回路19により発振回路17からの周波数f
1の発振信号は増幅回路18に入力して増幅され、超音
波振動子16に供給されて、超音波振動子16が駆動さ
れ、プローブ12には共振周波数f1の振動が励振さ
れ、そのプローブ12の先端の処置部21を患部組織に
押し付けるように接触させることにより、例えば切開等
の治療のための処置を行うことが出来るようにしてい
る。
【0016】また、バッテリハウジング4内にはバッテ
リ22が収納され、このバッテリ22はフレキシブルコ
ード3内に挿通されたフレキシブルな電源供給線23を
介して制御回路19,発振回路17,増幅回路18に動
作用電源を供給できるようにしている。
【0017】なお、バッテリ22の電気エネルギが消耗
した場合には、バッテリハンジング4のバッテリ交換用
の蓋4aを(例えば図1の点線で示す位置から実線で示
す位置に回動させて)開けて簡単に消耗したバッテリ2
2を新しいバッテリ22に簡単に交換することができ
る。
【0018】上記フレキシブルコード3の長さは術者が
ハンドピース部6を使用している状態の位置においてバ
ッテリハウジング4が患者の身体上または患者ベット上
に配置出来る長さを有するようにすると、術者がハンド
ピース部6を使用してもバッテリハウジング4の重さを
感じる事なく手術が可能になる。
【0019】尚、シート状のバッテリ等、バッテリ22
の重さが軽い場合は、ハンドピース部6を使用している
状態において、バッテリハウジング4が宙に浮いた状態
であっても良い。
【0020】このように本実施の形態の超音波手術装置
1では術者が把持して切開等の処置を行う超音波手術装
置本体2にはバッテリを設けないで、この超音波手術装
置本体2から延出したフレキシブルコード3と接続され
るバッテリハウジング4内にバッテリ22を収納してい
るので、把持して処置の操作を行う超音波手術装置本体
2(挿入部5とハンドピース部6の部分)を軽量化で
き、操作性を向上でき、また精度の良い処置も容易に行
うことができるし、長時間の処置を行っても術者の疲れ
を軽減できる。
【0021】また、バッテリ22の電気エネルギが消耗
した場合に、超音波手術装置本体2側は触れないで、バ
ッテリハンジング4の蓋4aを開けてバッテリ22の交
換を迅速かつ簡単に行うことができ、やはり操作性を向
上できる。
【0022】この場合、術者自身が行わないで、補助者
がバッテリ22の交換作業を行うこともでき、その場合
には手術中でもその中断時間を最小にとどめることがで
きる。
【0023】また、バッテリ22の電気エネルギが消耗
した場合、バッテリハウジング4の蓋4aを開けて新し
いバッテリ22に交換する代わりに、バッテリハウジン
グ4はコネクタ9でフレキシブルコード3に着脱自在に
なっているので、新しいバッテリ22を内蔵した別のバ
ッテリハウジング4と交換しても良く、この場合にも超
音波手術装置本体2側は触れないで、交換することがで
きる。なお、バッテリ22は充電可能な2次電池でも良
いし、或いは充電可能でない1次電池でも良い。
【0024】(第2の実施の形態)図3は、第2の実施
の形態の超音波手術装置1を示し、前記第1の実施の形
態と同じ構成については同一の記号を付してある。本実
施の形態は、第1の実施の形態において、図2に示した
ハンドピース部6内の駆動部15を構成する一部の構成
要素をバッテリハウジング22側に移した構成にしたも
のである。
【0025】ハンドピース部6内の駆動手段を構成する
超音波振動子16、発振回路17及び制御回路19の回
路構成は第1の実施の形態と同じなため、その説明を省
略する。
【0026】駆動手段における回路構成の内、配置面積
または重量が重い回路として増幅回路18がある。本実
施の形態ではこの増幅回路18をバッテリハウジング4
内に配置した。そして、バッテリ22はフレキシブルコ
ード3内の電源供給線23を介してハンドピース部6内
の制御回路19等と接続されている(なお、図3では簡
単化のため、電源供給線23は制御回路19のみに接続
している)。
【0027】また、発振回路17の出力信号はフレキシ
ブルコード3内の信号線25aを介してバッテリハウジ
ング4内の増幅回路18に入力され、この増幅回路18
の出力信号はフレキシブルコード3内の信号線25bを
介して超音波振動子16に出力される。また、制御回路
19はフレキシブルコード3内の信号線25cを介して
増幅回路18と接続され、増幅動作を制御する。
【0028】本実施の形態によれば、第1の実施の形態
に比べて超音波手術装置本体2をより軽量化及び小型化
が可能となり、操作性を向上できる。その他は第1の実
施の形態と同様の作用及び効果を有する。
【0029】第1実施の形態のように増幅回路18をハ
ンドピース部6内に設けると、バッテリ22を設けてい
ないのでハンドピース部6を軽量化できるが、ハンドピ
ース部6内に増幅回路18も配置しない構成にすること
により、さらにハンドピース部6の外形を小さく、かつ
その重量もより軽量化して、手術を行い易くしている。
また、本実施の形態は、バッテリで光源を駆動するバッ
テリ式の内視鏡としての例えば電子内視鏡(ビデオスコ
ープ)27に着脱自在に取り付けられるランプハウジン
グ28に設けられている図示しない光源ランプ(照明用
ランプ)と前記バッテリ22とをフレキシブルコード2
9内のケーブル29aにより接続し、1つのバッテリハ
ウジング4で複数の装置に電源を供給出来るようにして
いる。つまり、バッテリハウジング4のバッテリ22で
バッテリ式内視鏡の光源ランプにその点灯に必要な電力
を供給するようにしている。
【0030】上記電子内視鏡27は細長の挿入部31と
その挿入部31の後端に設けられた操作部32とを有
し、挿入部32は先端部33と湾曲部34と可撓部35
とからなり、操作部32の湾曲ノブ36を操作すること
により湾曲部34を湾曲することができる。
【0031】また、挿入部31内に挿通された図示しな
いライトガイドの後端は操作部32の側面にライトガイ
ド口金部37として突出し、このライトガイド口金部3
7には上記光源ランプを収納したランプハウジング28
を着脱自在で接続でき、光源ランプを点灯させることに
より、ライトガイドを介して患部等を照明できるように
している。
【0032】そして、先端部に設けた対物レンズの結像
位置に配置した撮像素子で撮像し、操作部32内に設け
た信号処理回路により信号処理し、操作部32の後端に
設けた液晶等の表示素子38に撮像した被写体像を表示
できるようにしている。
【0033】従って、本実施の形態では、患者の身体上
または患者ベッド上には本来複数のバッテリハウジング
が置かれるところ、少ないバッテリハウジング4を配置
するのみで済み、術者の邪魔になる事がないという効果
も有する。
【0034】(第3の実施の形態)図4は本発明の第3
の実施の形態の高周波手術装置40の全体構成を示すも
のである。この高周波手術装置40は電気的手術を行う
ための高周波電気エネルギを生体側に出力するハンドピ
ース41と、このハンドピース41から外部に延出され
るフレキシブルチューブ42を介して接続されるバッテ
リハウジング43と、バッテリハウジング43と接続さ
れ、生体側に出力された高周波電気エネルギを回収する
対極板44とを有する。
【0035】ハンドピース41はその前端側に体腔内に
挿入される挿入部45とその後端側に把持して操作され
る操作部46が一体的に設けられている。挿入部45の
先端には高周波電気エネルギを患者の生体に出力して電
気処置を行う高周波印加部47が設けてある。また、操
作部46には高周波電気エネルギの出力のオン、オフ操
作を行うスイッチ48が設けてある。
【0036】上記ハンドピース41から外部に延出され
たフレキシブルチューブ42を介して接続されるバッテ
リハウジング43内には、操作部46内に設けた駆動手
段を構成する制御回路49を駆動する電源を供給するバ
ッテリ51と、と操作部46内に設けた波形発生回路5
2を駆動する電源を供給するバッテリ53とが設けられ
ている。
【0037】波形発生回路52は高周波手術を行うため
の高周波の駆動信号を発生する。この駆動信号は機械的
振動を行わせる機械的振動周波数成分(これは、例えば
高周波処置を行う高周波信号成分に比較すると、数分の
1から1/10程度の低い周波数成分である)を含む高
周波信号である。
【0038】この駆動信号は増幅回路54に入力され、
増幅された後、入出力の絶縁を行う出力トランス回路5
5の1次巻線側に入力され、絶縁された2次巻線は波形
抽出回路56及び対極板44に接続される。制御回路4
9はバッテリ51から動作電源が供給され、波形生成回
路52、増幅回路54の動作を制御する。
【0039】また、この制御回路49はスイッチ48と
接続されて、スイッチ48の操作による操作信号が入力
されることにより、制御回路49は波形発生回路52の
波形発生動作のオン、オフ及び増幅回路54の増幅動作
54の増幅動作のオン、オフ等により高周波電気エネル
ギの出力のオン、オフ制御を行う。或いは、制御回路4
9はスイッチ48の操作によりバッテリ53の電源が波
形発生回路52に供給されないようにその供給のオン・
オフ制御を行うことにより、高周波電気エネルギの出力
のオン、オフ制御を行うようにしても良い。
【0040】出力トランス回路55の2次巻線の一方の
出力端からの出力は機械振動周波数成分を抽出する波形
抽出回路56と、高周波で切除などの処置を行う高周波
印加回路47に印加される。
【0041】また、波形抽出回路56の出力、つまり、
機械振動周波数成分のエネルギは振動エネルギに変換す
る振動回路57に印加され、振動回路57を振動させ
る。振動回路57は振動をこの振動回路57から高周波
印加部47に伝達する接続回路58を介して高周波印加
部47に伝達され、高周波印加部47を振動させてこの
高周波印加部47が接触される生体組織を切除、凝固等
の電気的処置を行うことができるようにしている。
【0042】出力トランス回路55の2次巻線の他方の
出力端はバッテリハウジング43を介して対極板44に
接続されている。つまり、出力トランス回路55の他方
の出力端はフレキシブルチューブ42内の信号線59a
と、バッテリハウジング43に接続される信号線59b
とを介して対極板44に接続される。
【0043】従って、ハンドピース41の先端側の高周
波印加部47が接触する患者の組織側に高周波電流が流
れ、患者に広い面積で接触する状態に設定される対極板
44を介して出力トランス回路55に戻る閉回路を形成
するようにしている。本実施の形態は、モノポーラの電
極の電気メスによる高周波手術装置を形成している。
【0044】前記フレキシブルチューブ42は第1、2
の実施の形態と同じ作用・効果を有するものである。本
実施の形態も、第1の実施の形態と同様の効果を有す
る。
【0045】(第4の実施の形態)図5は本発明の第5
の実施の形態の高周波手術装置40′の全体構成図を示
す。本実施の形態は第3の実施の形態を変形した構成と
なっている。本実施の形態の回路構成の全体は前記第3
の実施の形態と同じである。
【0046】第3の実施の形態の回路構成において、増
幅回路54及び出力トランス回路55は比較的スペース
を要する回路であるため、ハンドピース41に内蔵する
と、ハンドピース41の重量が重くなり、術者の操作に
負担をかける事がある。
【0047】従って、本実施の形態では増幅回路54及
び出力トランス回路55をバッテリハウジング43の中
に組み込み、ハンドピース41の重量を軽減するように
したものである。
【0048】そして、波形発生回路52の出力信号はフ
レキシブルチューブ42内の信号線60aを介してバッ
テリハウジング43内の増幅回路54に入力され、この
増幅回路54の出力信号は出力トランス回路55に入力
される。
【0049】この出力トランス回路55の一方の出力端
からの駆動信号はフレキシブルチューブ42内の信号線
60bを介してハンドピース41内の波形抽出回路56
と高周波印加部47に印加される。
【0050】また、高周波印加部47により生体組織を
経た高周波信号は対極板44により、その信号線59b
を介して出力トランス回路55に回収される。本実施の
形態によれば、第3の実施の形態よりもさらに操作部4
6を小型、かつ軽量化でき、従ってさらに操作性を向上
できる。
【0051】(第5の実施の形態)図6は、本発明の第
5の実施の形態の超音波治療装置61の全体構成図を示
すものである。この超音波治療装置61はハンドピース
62と、このハンドピース62から延出されたフレキシ
ブルコード63が接続されるバッテリ64を収納したバ
ッテリハウジング65とから構成される。
【0052】ハンドピース62は超音波振動によって発
生する熱を利用して凝固切開を行うハサミ状のプローブ
を有する超音波凝固切開装置に用いられるものである。
【0053】このハンドピース62は内部に超音波振動
子を配設した把持部66と、この把持部66の前端に連
設され、その内部に超音波振動伝達部材を配設したシー
ス67とを有しており、把持部67の後端のコネクタ部
69から超音波振動子に電力を供給するためのバッテリ
ハウジング65に接続されるフレキシブルコード63が
延出している。
【0054】超音波振動子と振動伝達部材との間には超
音波振動子で発生された超音波振動を機械的に増幅して
振動伝達部材に伝達する図示しないホーンが設けられて
いる。また、シース67の先端は開口しており、その内
部から回動自在のジョー(顎部)71及び振動伝達部材
72がシース67の先端面から突出して設けられてい
る。
【0055】ジョー71は回転軸(図示省略)を中心と
して回動自在であり、回動する事によって振動伝達部材
72との間に患部を挟む事が出来る。
【0056】ジョー71はシース67内の連結ワイヤ等
を介して把持部66に設けたハンドル73に機械的に連
結しており、ジョー71の回動動作、即ち、ジョー71
と振動伝達部材72とで構成されるハサミ状の構成物の
開閉操作は把持部66に設けられたハンドル73を図中
の矢印方向に動作させる事によって行うことが出来る。
【0057】なお、把持部66内にはハンドル73のロ
ータ側をステータ側に近づける方向に回動するとオン
し、ステータ側から離れる方向に回動するとオフとなる
スイッチが設けられ、そのスイッチの出力により図示し
ない制御回路を介して超音波振動子で発生された超音波
振動をその先端側の振動伝達部材72によりこの振動伝
達部材72とジョー71で挟まれた患部組織等に対して
凝固或いは切開を行うことができるようにしている。
【0058】ジョー71はテフロンなどの柔軟部材もし
くは金属で構成される。前記フレキシブルコード63は
第1ないし第3実施の形態と同じ作用・効果を有するも
のである。本実施の形態も第1の実施の形態と同様の効
果を有する。
【0059】(第6の実施の形態)図7ないし図9は第
6の実施の形態に係り、図7は本発明の第6の実施の形
態の超音波治療装置を示し、図8はそのバッテリチェッ
カの回路構成を示し、図9はバッテリチェッカの動作説
明図を示す。
【0060】図7に示す第6の実施の形態の超音波治療
装置61′は例えば図6の超音波治療装置61におい
て、バッテリ64の使用可能の程度をチェックする機能
を備えたバッテリチェッカ75を備えたものである。
【0061】このバッテリチェッカ回路75は例えばバ
ッテリハウジング65内に設けられ、また、把持部66
の外周面には判定結果を表示する表示部76が設けてあ
り、この表示部76でバッテリ64の使用可能時間を表
示することにより、外部から使用可能時間を確認できる
ようにしている。
【0062】この表示部76は例えば使用可能時間をメ
ータのレベルで表示するレベルメータ構成されたり、複
数のLED(発光ダイオード)或いはパイロットランプ
等で構成され、点灯するLED等の数により使用可能時
間を表示する。
【0063】図8に示すように、バッテリチェッカ75
ではバッテリ64がスイッチ77及び負荷電流測定器7
8を介して負荷79に接続される。本実施の形態の負荷
79は第5の実施の形態に示した超音波治療装置61と
なる。
【0064】負荷79には負荷電圧測定器81が接続さ
れる。負荷電流測定器78及び負荷電圧測定器81の出
力端はバッテリ64の寿命、残存使用可能時間を算出及
び判定する判定回路82に接続される。この判定回路8
2の出力端には表示部76が接続される。
【0065】図9には、負荷電流に応じた放電特性曲線
が示されている。この放電特性曲線において、曲線C
a、Cb及びCcは高、中及び低負荷時の放電特性を各
々示している。
【0066】また、電圧Vsはバッテリ64の初期電圧
を示し、電圧Veはバッテリ64の終止電圧を示してい
る。特性曲線において、チェック時の電圧がVxである
と、特性曲線Caの場合、電圧Vxが終止電圧Veにな
るまでのバッテリの使用可能時間はTaとなる。
【0067】同様に、特性曲線Cb及びCcの場合に
は、使用可能時間はそれぞれTb及びTcとなる。従っ
て、図9の放電特性曲線を利用する事によって、チェッ
ク時の電圧Vxから電池の使用可能時間を求める事が出
来る。
【0068】図8のバッテリチェッカ75においては、
バッテリ使用可能時間は判定回路82によって算出され
る。即ち、スイッチ77が閉成される事によって、負荷
79に流れる電流が負荷電流測定器78によって測定さ
れる。
【0069】この測定負荷電流は負荷電圧測定器81か
らの負荷電圧と共に、判定回路82に供給される。この
判定回路82では、測定負荷電流に応じた放電特性曲線
情報が負荷79によって異なる複数の放電特性曲線情報
の中から選択される。
【0070】選択された放電特性曲線情報と測定負荷電
圧とからバッテリ使用可能な時間が算出される。判定回
路82の出力情報は表示部76に供給され、使用可能時
間が表示される。
【0071】また、この表示部76には警報器、例え
ば、ブザー83が設けられ、算出された使用可能時間が
少ないか、0の場合にはブザー83が鳴り、使用者に使
用可能時間が少ないか、0である事がが報知される。
【0072】前記したように、本実施の形態によると、
負荷電流に応じた放電特性曲線情報と、チェック時の負
荷電圧とでバッテリ64の使用可能時間が求められ、こ
の使用可能時間が表示部76によって表示されるので、
このようなバッテリチェッカ75がバッテリ式の医療機
器、例えば超音波治療装置に用いられると、手術途中で
バッテリ64が消耗しきって手術が中断されるという事
態を未然に防止することが出来る。
【0073】つまり、手術前にバッテリチェッカ75で
チェックすることにより、バッテリ64の電気エネルギ
状態をチェックでき、手術を行うだけの電気エネルギが
残存しているか否かを判断できるので、手術途中にバッ
テリ64が消耗しきる事態を未然に回避出来る。
【0074】なお、本実施の形態はバッテイチェッカ7
5をバッテリハウジング65内に設けたが例えば把持部
66内に設けるようにしても良い。なお、バッテリ64
は負荷79となる超音波治療装置の内部に設けられてい
るものであっても良い。また、表示部76を把持部66
に設けるものに限定されるものでなく、例えばバッテリ
ハウジング65に設けるようにしても良い。
【0075】(第7の実施の形態)図10は本発明の第
7実施の形態の超音波手術装置1′を示す。この超音波
手術装置1′は例えば図1の超音波手術装置1におい
て、例えばバッテリハウジング4内にバッテリチェッカ
85を設けたものである。本実施の形態に示されている
超音波手術装置本体2は第1実施の形態の図2に開示さ
れているものと同じ構成を示すものであるため、その説
明は省略する。
【0076】図10に示すように、バッテリチェッカ8
5はバッテリ22と、このバッテリ22の使用時間を計
測する計時回路(時計回路)86とこの計時回路86に
よる使用時間を積算する積算使用時間計算回路87と、
積算使用時間及びバッテリ22の寿命を表示する表示回
路88と、バッテリ22の使用を監視する監視回路89
と、積算使用時間を記憶する不揮発性の記憶回路90
と、記憶回路90に記憶された積算使用時間のデータを
リセットするリセット回路91とから構成される。
【0077】監視回路89は例えばバッテリ22の線に
電流が流れたか否かを検出する電流センサ89aの出力
によりバッテリ22の電気エネルギが消費されたことを
検出する。
【0078】監視回路89は積算使用時間計算回路87
にバッテリ22が使用されている事を伝える信号を出力
する。
【0079】そして、バッテリ22を消費した場合、積
算使用時間計算回路87は、記憶回路90に記憶された
積算使用時間のデータを読み取る。また、積算使用時間
計算回路87は監視回路89からのバッテリ22の電力
が消費されている信号を受けている間、計時回路86に
よりその使用した使用時間を計測する。
【0080】積算使用時間計算回路87は記憶回路90
から読み取った積算使用時間のデータと計時回路86で
計測された使用時間から積算使用時間を計算し、表示回
路88によりその積算使用時間を表示する。
【0081】バッテリ22の電力供給が停止すると、監
視回路89によって積算使用時間計算回路87にその信
号が伝えられ、停止した時点での積算使用時間は記憶回
路90に記憶される。
【0082】バッテリ22を交換した時には、リセット
回路91を操作する事により、積算使用時間計算回路8
7に信号が伝えられ、記憶回路90に記憶されている積
算使用時間を0にリセットする事が出来る。
【0083】本実施の形態によれば、第6の実施の形態
と同様にバッテリ22の電気エネルギ状態をチェックす
ることができ、手術中にバッテリ22の電気エネルギが
消耗してバッテリ22の交換を行わなければならないよ
うな事態が発生することを未然に防止できる。
【0084】(第8の実施の形態)次に本発明の第8の
実施の形態を図11を参照して説明する。図11は本発
明の第8の実施の形態の超音波手術装置1″を示す。こ
の超音波手術装置1″は例えば第1の実施の形態におい
て、バッテリハウジング4内のバッテリ22として例え
ば主バッテリ22Aと副バッテリ22Bとで構成し、さ
らに切換スイッチ30を設け、この切換スイッチ30の
切換操作により、主バッテリ22Aから駆動部15の各
電気回路に電気エネルギを供給する状態から、副バッテ
リ22Bから駆動部15の各電気回路に電気エネルギを
供給する状態に切り換えたり、その逆に切り換えたりす
ることができるようにしたものである。
【0085】このようにすると、例えば手術中に主バッ
テリ22Aの電気エネルギが消耗した場合には、切換ス
イッチ30の操作で副バッテリ22Bから駆動部15に
駆動する電気エネルギを供給できる。
【0086】従って、手術を中断することなく続行する
ことができる。その他の作用効果は第1の実施の形態と
同様である。なお、本実施の形態では切換スイッチ30
をバッテリハウジング4側に設けたが、超音波手術装置
本体2側、例えばハンドピース部6等の操作し易い位置
に設けても良い。また、主バッテリ22A及び副バッテ
リ22Bを超音波手術装置本体2側、例えばハンドピー
ス部6内に設けた場合にも適用できる。
【0087】また、駆動部15側に接続された主バッテ
リ22A或いは副バッテリ22Bの電気エネルギの残存
状態をバッテリチェッカ75等によりチェックし、その
電気エネルギが少なくなった場合には他方のバッテリ側
にバッテリチェッカ75の判断で自動的に切り換えるよ
うにしても良い。
【0088】(第9の実施の形態)図12は消耗部品
(バッテリ、超音波治療装置のプローブなど)の寿命を
判断するライフメータの機能を備えた超音波治療装置9
2を示す。ここに示す超音波手術装置92は第1の実施
の形態の超音波手術装置1において、例えば超音波手術
装置本体2内にライフメータ93を設けた構成にしてい
る。このため、第1の実施の形態で既に説明した回路構
成に対してはその説明を省略する。
【0089】この実施の形態では、仮に消耗部品をプロ
ーブ12として説明する。プローブ12が動作するには
発振回路17の動作が必要となるので、この発振回路1
7の発振信号によりプローブ12の寿命を計測する。
【0090】プローブ12が動作している間、つまり、
発振回路17が動作している時は発振回路17から動作
告知手段94に信号が送られ、動作告知手段94からプ
ローブ12が動作している動作告知信号を出力する。
【0091】この出力信号を受けて積算信号を発生する
積算信号発生手段95はプローブ12の使用時間に対応
した積算信号(パルス)を発振する。この積算信号はカ
ウンタ96でカウントされ、前記プローブ12を使用し
た時間を積算し、その積算値を求める。
【0092】これによって、プローブ12の積算使用時
間を積算する積算手段を構成している。更に、カウンタ
96で積算した使用時間は表示手段97で表示される。
カウンタ96にはバックアップ機能を持たせるためのバ
ックアップ用バッテリ98を備えている。前記表示手段
97にはバッテリ22のバッテリチェックを行うバッテ
リテェッカ99の出力も入力され、バッテリチェック結
果も表示出来るようになっている。
【0093】この表示は、プローブ12の使用時間とバ
ッテリ22のバッテリ容量の表示を切り換え、または同
時表示であっても良い。積算及び表示の具体例が図13
で示してある。
【0094】図13(A)では、その動作告知手段94
より出力される動作信号の1例を示している。T1は2
時間(2H)使用した場合、T2、T3はそれぞれ3時
間(3H)、1時間(1H)使用した場合を示してお
り、この時、カウンタ96の積算値は図13(B)に示
されるようにその出力は2H、5H、6Hと順次加算さ
れたものとなる。
【0095】このように、積算された値は図13(C)
で示すように、表示手段97による表示例として、例え
ば7セグメントLEDによって2,5,6とそれぞれ表
示され、これによってプローブ12の積算された使用時
間を術者に告知する事が出来る。
【0096】本実施の形態によれば、第1の実施の形態
の効果の他に、プローブ12等の消耗品の寿命を知るこ
とができるし、バッテリ22の電気エネルギの消耗の程
度或いは残存の程度を把握できる。
【0097】なお、上述した各実施の形態等を部分的等
で組み合わせて構成される実施の形態等も本発明に属す
る。
【0098】[付記] 1.体腔内に挿入される挿入軸を備えて、この軸の後方
に一体化した操作部を設けると共に、前記挿入軸の先端
に切除、凝固などの治療を施す治療装置を設け、操作部
に前記治療装置を駆動する駆動装置を設けた手術具にお
いて、前記駆動装置に電源を供給するバッテリハウジン
グをフレキシブルなコードで接続した事を特徴とする手
術装置。
【0099】2.付記1のバッテリはバッテリ式内視鏡
の照明用ランプに電流を供給する事を特徴とする手術装
置。 3.付記1のフレキシブルなコードは手術装置を使用し
ている状態でバッテリが患者の身体上または患者ベット
上に位置する長さになっている事を特徴とする手術装
置。
【0100】4.付記1の操作部内に設けた駆動装置は
治療装置を駆動する電気的な回路である事を特徴とする
手術装置。 5.付記1のバッテリハウジングには治療装置を駆動す
る電気回路の一部が設けられている事を特徴とする手術
装置。
【0101】6.付記1のバッテリハウジングには主副
のバッテリが設けられ、切り換えにより主バッテリ及び
副バッテリから治療装置に電流を供給できるようにした
事を特徴とする手術装置。 7.付記1の手術具は高周波を利用したものである事を
特徴とする手術装置。 8.付記1の手術具は超音波を利用したものである事を
特徴とする手術装置。 9.付記1のバッテリは充電式バッテリである事を特徴
とする手術装置。
【0102】10.付記1の操作部または/及びバッテ
リハウジングにバッテリの容量の状態を表示する表示装
置を設けた事を特徴とする手術装置。 11.付記10の表示装置はレベルメータである事を特
徴とする手術装置。 12.付記10の表示装置はパイロットランプである事
を特徴とする手術装置。 13.体腔内に挿入される挿入軸を備えて、この軸の後
方に一体化した操作部を設けると共に、前記挿入軸の先
端に切除、凝固などの治療を施す治療装置を設け、操作
部に前記治療装置を駆動する駆動装置及び前記駆動装置
に電源を供給する主副のバッテリを設け、主バッテリと
副バッテリを切り換えて使用出来るようにした事を特徴
とする手術装置。
【0103】14.体腔内に挿入される挿入軸を備え
て、この軸の後方に一体化した操作部を設けると共に、
前記挿入軸の先端に切除、凝固などの治療を施す治療装
置を設け、操作部に前記治療装置を駆動する駆動装置及
びバッテリを設けた手術具において、前記バッテリの蓄
電状態を表示する表示装置を操作部に設けた事を特徴と
する手術装置。
【0104】15.体腔内に挿入される挿入軸を備え
て、この軸の後方に一体化した操作部を設けると共に、
前記挿入軸の先端に切除、凝固などの治療を施す治療装
置を設けた手術具において、前記治療装置の使用度数を
カウントするカウント装置と前記カウント装置の信号を
受けて前記治療装置の使用度数を表示する表示装置とか
ら成る手術装置。
【0105】16.付記15の表示手段は手術具の外表
面から確認出来るように配置した事を特徴とする手術装
置。
【0106】17.付記15において、表示手段は治療
装置の使用度数の表示及び/または治療装置を駆動する
バッテリの容量の表示が出来るようになっている事を特
徴とする手術装置。
【0107】18.体腔内に挿入される挿入部を備え、
この挿入部の後方にこの挿入部と一体化した操作部を設
けると共に、前記挿入部の先端に切除、凝固などの処置
を施す処置部を設け、操作部に前記処置部を駆動する駆
動部を設けた手術装置において、前記駆動部に電源を供
給するバッテリを収納するバッテリハウジングと前記手
術装置とをフレキシブルなコードで接続した事を特徴と
する手術装置。
【0108】19.前記バッテリハウジングには前記処
置部を駆動するための電気回路の少なくとも一部を設け
たことを特徴とする付記18記載の手術装置。 20.前記バッテリハウジングには主バッテリ及び副バ
ッテリを切換可能に設け、前記主バッテリ及び副バッテ
リを切り換えて前記処置部又は駆動部にエネルギを供給
する手段を設けたことを特徴とする付記18記載の手術
装置。
【0109】21.体腔内に挿入され、先端に切除、凝
固などの処置を施す処置部を設けた挿入部と、この挿入
部の後方にこの挿入部と一体化した操作部と、前記操作
部に前記処置部を駆動する駆動部を設けた手術装置本体
と、前記手術装置本体とフレキシブルなコードを介して
バッテリを設けたバッテリハウジングとを少なくとも前
記バッテリ部分を交換可能とする手段を設けた事を特徴
とする手術装置。
【0110】22.前記手段はバッテリハウジングの開
閉可能な蓋により、前記バッテリを交換可能に構成した
事を特徴とする付記21記載の手術装置。 23.前記手段はフレキシブルなコードを介して前記手
術装置本体とバッテリハウジングとを着脱自在な接続手
段であり、前記バッテリを収納したバッテリハウジング
毎別のバッテリハウジングと交換することによりバッテ
リ部分を交換可能に構成した事を特徴とする付記21記
載の手術装置。
【0111】
【発明の効果】以上説明したように本発明によれば、体
腔内に挿入される挿入部を備え、この挿入部の後方にこ
の挿入部と一体化した操作部を設けると共に、前記挿入
部の先端に切除、凝固などの処置を施す処置部を設け、
操作部に前記処置部を駆動する駆動部を設けた手術装置
において、前記駆動部に電源を供給するバッテリを収納
するバッテリハウジングと前記手術装置とをフレキシブ
ルなコードで接続した構成にしているので、把持して操
作する部分を軽量化して、操作性を向上できる。
【図面の簡単な説明】
【図1】本発明の第1の実施の形態の超音波手術装置の
全体構成図。
【図2】電気系の構成を示す図。
【図3】本発明の第2の実施の形態の超音波手術装置の
電気系の構成図。
【図4】本発明の第3の実施の形態の高周波手術装置の
電気系の構成を示す図。
【図5】本発明の第4の実施の形態の高周波手術装置の
電気系の構成を示す図。
【図6】本発明の第5の実施の形態の超音波治療装置の
全体構成図。
【図7】本発明の第6の実施の形態の超音波治療装置を
示す斜視図。
【図8】バッテリチェッカの回路構成を示す回路図。
【図9】バッテリチェッカの動作説明図。
【図10】本発明の第7の実施の形態の超音波治療装置
の電気系の構成を示す図。
【図11】本発明の第8の実施の形態の超音波治療装置
の電気系の構成を示す図。
【図12】本発明の第9の実施の形態のライフメータの
機能を備えた超音波治療装置を示す図。
【図13】ライフメータの動作説明図。
【符号の説明】
1…超音波手術装置 2…超音波手術装置本体 3…フレキシブルコード 4…バッテリハウジング 5…挿入部 6…ハンドピース部 7…操作スイッチ部 8、9…コネクタ 11…シース 12…プローブ 15…駆動部 17…発振回路 18…増幅回路 19…制御回路 21…処置部 22…バッテリ
───────────────────────────────────────────────────── フロントページの続き (72)発明者 志賀 明 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 (72)発明者 安永 浩二 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 (72)発明者 唐澤 勝 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 (72)発明者 山宮 広之 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 (72)発明者 塚越 壯 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 (72)発明者 櫻井 友尚 東京都渋谷区幡ヶ谷2丁目43番2号 オリ ンパス光学工業株式会社内 Fターム(参考) 4C060 JJ11 JJ12 JJ30 KK22 KK25

Claims (3)

    【特許請求の範囲】
  1. 【請求項1】 体腔内に挿入される挿入部を備え、この
    挿入部の後方にこの挿入部と一体化した操作部を設ける
    と共に、前記挿入部の先端に切除、凝固などの処置を施
    す処置部を設け、操作部に前記処置部を駆動する駆動部
    を設けた手術装置において、 前記駆動部に電源を供給するバッテリを収納するバッテ
    リハウジングと前記手術装置とをフレキシブルなコード
    で接続した事を特徴とする手術装置。
  2. 【請求項2】 前記バッテリハウジングには前記処置部
    を駆動するための電気回路の少なくとも一部を設けたこ
    とを特徴とする請求項1記載の手術装置。
  3. 【請求項3】 前記バッテリハウジングには主バッテリ
    及び副バッテリを切換可能に設け、前記主バッテリ及び
    副バッテリを切り換えて前記駆動部又は処置部にエネル
    ギを供給する手段を設けたことを特徴とする請求項1記
    載の手術装置。
JP11012177A 1998-10-29 1999-01-20 手術装置 Pending JP2000210299A (ja)

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JP11012177A JP2000210299A (ja) 1999-01-20 1999-01-20 手術装置
US09/428,349 US6494827B1 (en) 1998-10-29 1999-10-27 Endoscope device and operation apparatus

Applications Claiming Priority (1)

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