JPH01500966A - 吻合部を作成する装置と方法 - Google Patents
吻合部を作成する装置と方法Info
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- JPH01500966A JPH01500966A JP62502425A JP50242587A JPH01500966A JP H01500966 A JPH01500966 A JP H01500966A JP 62502425 A JP62502425 A JP 62502425A JP 50242587 A JP50242587 A JP 50242587A JP H01500966 A JPH01500966 A JP H01500966A
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00477—Coupling
Abstract
(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。
Description
【発明の詳細な説明】
吻合部を作成する装置と方法
本発明は、クランプ縫合器であって、中心のマンドレルと環状の解剖刀とを有し
ていてハンドグリップに取付けられたクランプマガジン及び、前記マンドレルの
端部に着脱可能に取付けられていて牛球僧帽状の外面と、前記マンドレルの軸線
に対して直角に延びて前記クランプマガジンに対面していて吻合を行わせるため
のクランプ変形面とを有する逆圧板を備えている形式のものに関する。更に又、
本発明はこのようなりランプ縫合器用の縫合ヘッドに関する。
クランプ縫合器と呼ばれている前記形式の装置は米国特許第3193165号明
細書に基づいてすでに公知である。該装置は、一端にハンドグリップとレバー4
とを有する円筒体を主体とし、該円筒体内にはマンドレルが共軸に支承されてい
る。ハンドグリップから離反した方の円筒体端部にはクランプマガジンが環状の
解剖刀と共に設けられている。該クランプマガジンは、不銹性の高級鋼から成る
クランクを収容している。マンドレル端部には半球僧帽状の逆圧板が固定されて
いる。吻合部を形成するためには、例えば接合すべき両隅端部に、いわゆる巾着
縫合が施される。クランプ縫合器は次いで、隅端部の側面開口を通して、逆圧板
の先端が現われるまで挿入される。クランプマガジンから逆圧板を僅かに隔てた
のち一方の隅端部がクランプマガジンの周りに、また他方の隅端部は逆圧板の周
りにかぶせ嵌められ、かつ巾着縫合によってマンドレルの周りで結紮される。次
いで接合動作が開始されるが、その場合逆圧板がクランプマガジンに圧着され、
かつフラングが、吻合すべき組織内へ導入される。これと同時に縫合部を有する
隅端部が環状解剖刀によって切断される。この公知の方法の場合、逆圧板全体を
他方の隅端部の巾着縫合部を通過させねばならないという欠点が生じるのは勿論
である。殊に難点は、巾着縫合部又は腸を害なうことなく、巾着縫合部を有する
他方の隅端部を逆圧板にかぶせ嵌めることである。
本発明の課題は、前述の欠点を避けると共に、クランプマガジン及び逆圧板を、
吻合すべき容管の対応端部内へ比較的簡単に問題なく導入することができるよう
なりランプ縫合器を製作することである。
この課題を解決する本発明の構成手段は、逆圧板が差込み継手又はねじ継手によ
って、マンドレル端部K。
又は、クランプ変形面を被覆し前記差込み継手を湾曲した外面で以て取囲むカバ
ーキャップに連結される点にある。カバーキャンプの前置によって逆圧板は問題
なく、吻合すべき中腔性容管を通ってシフトすることができる。逆圧板が9腔性
器管端部の所定位置に達したのち、差込み継手によってカバーキャップの簡便か
つ迅速な解離が可能になり、次いでクランプマガジンと逆圧板との、やはり迅速
かつ確実な連結が可能になる。
本発明の有利な実施態様では、前記差込み継手はバヨネット式締結機構として構
成されている。このような締結機構は差込み継手として特に適している。それと
いうのは、連結すべき両部材の一方を僅かに回動しただけで確実な連結が得られ
るからである。
本発明の有利な実施態様では差込み継手は、逆圧板に結合されていて耳状端部及
び縦方向に対して直角に突出する位置決めラグを有するピンと、マンドレルの端
部に結合されていてばねリング及びスロット状開口を有する接続管片とから構成
されている。このような差込み継手は、ビンと接続管片を回動させずに互いに内
外でごく僅かにシフトさせればよいという点で特に有利である。それと共に位置
決めラグが、クランプマガジンに対する逆圧板の正しい位置を確実に保証する。
差込み継手は本発明の別の有利な実施態様では、ねじ山を介して着脱可能に逆圧
板に連結されたピン状の第1の差込み継手部分と、ねじ山を介して着脱可能にマ
ンドレル端部に連結された第2の差込み継手部分とから構成°されていてもよい
。この差込み継手は、すでに使用されている公知のクランプ縫合器のための後装
備機構として適している。このような後装備は、必要経費がごく僅かで特に簡単
に実施することができる。
本発明の有利な変化態様によればカバーキャップは、使用位置で逆圧板のクラン
プ変形面に隣接しかつ該クランプ変形面に平行に延びる底面を有する抛物面状の
回転体として構成されており、しかも前記底面は、該底面に対して直角にかつ前
記カバーキャップの中心に延びていて差込み継手の一部分、例えばバヨネット式
締結機構のピンの位置決めラグのためのガイド溝が配設された中心孔を有してい
る。このように構成された動物面状のカバーキャッパは、吻合すべき9腔性器管
内へ逆圧板を注意深く導入するのに特に適しており、しかも、逆圧板から突出し
ていて後刻クランプマガジンと連結するために必要なピンは前記中心孔によって
受容される。
・ 本発明の別の有利な実施態様によればクランプマガジンとカバーキャップと
を連結する結合片として、バヨネット式締結機構のピンを夫々両端に配置した円
筒状の中間片を設けておくことも可能である。このような中間片を用いれば、ク
ランプマガジンは、吻合すべき9腔性器管内に該クランプマガジンを一層簡単に
かつ注意深(導入するために有利にカバーキャップと連結することもできる。
更に本発明によれば、マンドレル端部又はカバーキャップに着脱可能に位置固定
可能な、差込み継手の継手部分が外面に、ローレット切りの施された表面を有し
ているのが有利である。継手部分の表面をこのように粗面化しておけば、該継手
部分を、工具を用いずにマンドレル端部又はカバーキャップに確実に連結するこ
とが可能になる。
本発明の更に有利な実施態様は請求の範囲第8項に記載の構成手段から成ってい
る。クランプマガジンと逆圧板とを今や別々に導入しかつ別々に戻すことが可能
になったことによって、すでに結紮された巾着縫合部の過負荷を避けつつ吻合術
を著しく簡単に施すことが可能である。今や逆圧板は、該逆圧板に対して規定さ
れた9腔性器管内に導入されるので、縫合結紮を行えるようにするために従来必
要とされた比較的煩須な、逆圧板の上に9腔性器管端部をかぶせ嵌める操作が必
要でなくなる。しかも特に有利なことには、不発明の装置によって、吻合術を施
したのち、たった今形成された結合部位をいたわりつつ逆圧板を該結合部位から
離して当該中腔性器管の他方の出口へ向って導くことが可能になる。同時に又、
ガイドマンドレルと内視鏡との連結によって、吻合部位(例えば食道)を吻合施
術前に内部からチェックすることができるという特別の利点が得られる。また、
クランプマガジンを支持する装置を取外したのちに、たった今施された吻合部を
光学的にチェックし、その際万一合併症を確認した場合には該合併症を除去した
り、また記録写真を作成することも可能である。
また請求の範囲第9項に記載したようにガイドマンドレル端部もしくは内視鏡末
端域を構成することによって、内視鏡の機能を害うことなしに両方の部分を迅速
に連結することが可能になる。同じく又、吻合施術後に戻し装置によって前記連
結を迅速に解離することが可能であるので、ガイドマンドレルはクランプ縫合器
及びクランプマガジンと一緒に、対向した中腔性器管を介して取除くことができ
る。
請求の範囲第10項に記載したように構成された逆圧板は、特別の構成費をかけ
ることなしに、すでに使用されている内視鏡に固定することができ、しかも該内
視鏡の機能を害うこともない。
請求の範囲第14項に記載した構成手段によって、導入時にも縫合時にもきわめ
て簡便な仕方でクランプ縫合器の常時視覚によるチェックが可能になる。
このことは、請求の範囲第19項に記載の中腔性容管吻合法を可能にする。
更に又、本発明は冒頭で述べた形式のクランプ縫合器用の縫合ヘッドに関し、該
縫合ヘッドは本発明によれば2部分から構成されておりかつ請求の範囲第1項の
特徴部分に記載した構成を有している。
次に、図面に例示した実施例を参照して本発明を詳説する。
第1図は公知のクランプ縫合器の側面図、第2図及び第3図はクランプマガジン
、逆圧板及びカバーキャップの斜視図、第4図及び第5図は異なった実施例によ
る逆圧板及びカバーキャップの斜視図、第6図はやはり異なった実施例による逆
圧板及びカバーキャップ(縫合ヘッド)の斜視図、第7図はカバーキャップをク
ランプ縫合器のマンドレル端部と連結するための別の実施例を示す図、第8図は
本発明により構成されたクランプ縫合器の縦断面図、第9図は内視鏡と結合され
た逆圧板の横断面図、第1O図及び第11図はガイドマンドレルの拡大詳細図、
第12図は逆圧板と組合されたがイドマンドレルの変化実施態様を示す図である
。
第1図に示した公知のクランプ縫合器1は大体において円筒体2と、該円筒体の
末端側に配置されていて旋回可能なレバー4及び蝶ねじ5を有するハンドグリッ
プ3とを主体としている。円筒体2内には、共軸にガイドされるマンドレル6が
縦方向摺動可能に支承されており、該マンドレルの端部には半球僧帽状の逆圧板
7がねじナツト8によって着脱可能に固定されている。円筒体2の、ハンドグリ
ップ3から離反した方の端部には回動式締結機構9が配置されており、該回動式
締結機構は円筒状のクランプマガジン10と着脱可能に結合されている。吻合を
施術するためには、吻合すべき中腔性器管は一方ではクランプマガジン10を介
して、また他方では逆圧板7を介してガイドされ、かつ該クランプマガジンと逆
圧板との間に位置するマンドレル範囲において巾着縫合によって接合されねばな
らない。次いで逆圧板7は蝶ねじ5を回動することによってクランプマガジン1
0の方に向って移動される。レバー4の作動によって、クランプマガジン10内
に位置するフラングが9腔性器管端部内へ導入され、これによって中腔性器管の
両端部は互いに結合される。
同時に中腔性端部の内部組織は巾N縫合部と共に環状の解剖刀によって切断され
る。
第2図に示した半球僧帽状の外面工1とクランプ変形面12とを有する逆圧板7
は孔13を介して消息子14と連結され、かつクランプ変形面12の範囲ではビ
ン15と連結される。該ビンは自由端部に、軸方向に対して垂直に突出する位置
決めラグ16を有している。動物面状に湾曲した外面18と底面19とを有する
カバーキャップ17には、前記位置決めラグ16のためのガイド溝21を有する
中心孔2oが設けられている。前記ガイド溝21と位置決めラグ16とは、バヨ
ネット式締結機構として構成された差込み継手22を形成する。
クランプマガジン1oから突出するマンドレル6は、ねじ山23を介して、差込
み継手部分として構成された円筒状部分25と結合されており、該円筒状部分は
ピ/15を受容するために設けられかつ位置決めビン16を嵌入するためのバヨ
ネットガイド溝26を有している。従ってカバーキャップ7のビン15も、マン
ドレル端部と差込み継手部分24と共に差込み継手22を形成している。本発明
の方法を実施するために、消息子14とすでに連結された逆圧板7は差込み継手
22を介してカバーキャップ17と連結され、その場合カバーキャップ17の底
面19はクランプ変形面12に当接せしめられる。この卵形の複合体7,17は
消息子14(該消息子14の、導入のだめの端部は第3図に示されている)を介
して、吻合すべき9腔性器管内へ、巾着縫合部を有する端部へ向って導入さ九る
。
逆圧板7が正し℃・位置に達すると直ちに、いまは中腔性器管端部から突出して
いるカバーキャンプ17は、差込み継手22の縦軸線を中心として回動−するこ
とによって逆圧板7から解離される。クランプ縫合器1はその間に、他方の9腔
性器管内へ、クランプマガジン10が正しい位置に達するまで導入されている。
カバーキャップ17の解離後に、ビン15を円筒状部分25内へ挿入し次いでク
ランプ縫合器lを僅かに回動することによって、マンドレル端部と逆圧板7は連
結される。次いで、すでに述べた公知の方式でマンドレル6のまわりで中腔性器
管端部間の結合が行われる。結合を行ったのち逆圧板7は、消息子14を解離し
つつクランプ縫合器1と共に、もしくは差込み継手22を解離しつつ消息子14
を介して中腔性容管から逆方向にガイドされる。
第4図に示した逆圧板7は、やはりバヨネット式締結機構として構成された差込
み継手22を介してカバーキャップ17と連結可能である。しかしながら該カバ
ーキャップは逆圧板7と一緒に、孔13内に挿入された引張り部材30を介して
、吻合すべき中腔性器管端部へ向って引張られる。逆圧板7が規定位置に達した
のち、該逆圧板はやはり差込み継手22を介して、第5図に示したクランプマガ
ジン1oと連結される。
第6図に示した差込み継手31は、翼状端部33及びビン縦方向に対して直角に
突設された位置決めラグ34を有していて逆圧板7と連結されるビン32と、ば
ねリング35及びスロット状開口36を有していてマンドレル6の端部と連結さ
れる接続管片37とから成っている。
前記翼状端部33は截頭円錐状付加部33′並びにアンダーカット部38を有し
ている。ビン32と接続管片37との連結を行ったのち、ばねリング35はアン
ダーカット部38に係合する。
第7図に示した円筒状の中間片4oは両端に夫々ビン41を有している。各ビン
はバヨネット式締結機構42.43の部分として、一方ではカバーキャンプ17
と、また他方ではマンドレル6の端部と連結可能である。このようにして、9腔
性器管内へのクランプ縫合器の安全導入のためにマンドレル端部及びクランプマ
ガジン10をカバーすることも可能である。
第8図に示した本発明によるクランプ縫合器もしくは縫合機械11′の部分は円
筒状のケーシング12′から成り、該ケーシングは泡面でクランプマガジン13
′及び環状の解剖刀14′と連結されている。該円筒状のケーシング12′内に
は中心孔15′が穿設されている。該中心孔15′内では、回動不能に確保され
た中空マンドレル1 e/が縦方向シフト可能にガイドされており、該中空マン
ドレルの内部にはマンドレル17’が設けられている。中空マンドレル16′は
雄ねじ山18′を有している。該雄ねじ出は円筒体19′の雌ねじ山に噛合い、
前記円筒体19’は端部で蝶ねじ20′と結合されている。
部位21′で回動可能にケージフグ12’内に支承された蝶ねじ20′を作動す
ることによって中空マンドレル16′は縦方向にシフトされる。中空マンドレル
16′内でガイドされるマンドレル17′は、中空マンドレルKsねじ20′が
装着されている方の端部には刻み目付きねじ23′を、また反対の端部には雄ね
じ山22′を有している。しかし該雄ねじ山22′の代りに差込み式締結機構又
はバヨネット式締結機構が設けられていてもよい。
前記マンドレル17’は、第9図に関連してなお拝観するガイドマンドレル及び
逆圧板と連結するために使用される。
中心孔15′とケーシング12′の外周面との間には円筒状の開口24′が設け
られており、該開口内にはガイド円筒体25′が支承されている。該ガイド円筒
体は、略示した作動装置26′を介してクランプマガジン13’及び解剖刀と連
結されている。ガイド円筒体25′の外周面には雄ねじ山27′が設けられてお
り、該雄ねじ山はリング体28′と噛合っており、該リング体の外周面はケーシ
ング12の外周面から張出している。ガイド円筒体25′は軸方向に延びる複数
のスロットを有し、該スロットを介して、ケーシング外壁をケーシング内部体3
0と結合する複数のウェブ31′がガイドされている。該ウェブ31’は同時1
・τ又、ガイド円筒体25′の回動を阻止するためにも役立つ。リング体28′
の回動によってガイド円筒体25′はシフトされる。このシフト時に金属製のク
ランプ32′は所定のスリットを通ってクランプマガジン13′から押出され、
同時+c切断動作を行うために環状の解剖刃14’が前進せしめられる。
マンドレル17′は、円筒体19′に結合されたリング33′をマンドレルの対
応環状溝内に保合させることによって、縦方向で見れば円筒体19′と連結され
てはいるが、刻み目付きねじ23′によって前記円筒体19′に対して相対回動
自在である。
第9図には、元々は縫合機械11′に所属している逆圧板34′が示されている
。該逆圧板は半球僧帽状に構成されており、かつ、クランプ変形用の圧着面35
′から離反した方の端部範囲には、逆圧板を内視*37’の端部に着脱可能に位
置固定するために、雌ねじ山36’を有する開口を備えている。しかし図示のね
じ継手は、バヨネット式などの締結機構として構成されていてもよい。ガイドマ
ンドレル39′は端部にバヨネット式締結機構40′を有し、該締結機構は、内
視鏡37′の中心孔38′に差込み可能である。前記バヨネット式締結機構40
’から離反した方の端部ではガイドマンドレル39′は雌ねじを有する盲穴41
′として構成されている。
該盲人41′内には雄ねじ山付きビンがねじ込み可能である。殊に有利には脹ら
まし可能な半球僧帽状の導入体43′は、該導入体43′の凸面状表面の中心に
接続されるマンドリン44′と、該マンドリン44′の固定部位から離反して位
置していて前記導入体43′をガイドマンドレル39′に固定するための雄ねじ
山付きビン41′とを有している。
第10図及び第11図に示した別の実施例から判るよう;(内視鏡37′の端部
範囲には4つのラグ45′が、内視鏡37′の中心孔の内部へ向ってばねによっ
て突出するように配設されている。これらのラグ45′は、ガイドマンドレル3
9′の端部に設けられた対応穴46′内如係合する。従ってガイドマンドレル3
9′は内祝fi37′と迅速に連結可能である。ガイドマンドレル39′を解離
しようとする場合にはラグ45′は戻し装置によって内視鏡37′の中心孔から
引戻される。
第12図に示した幾分具なった態様のガイドマンドレル39′は、内視鏡37′
なしに縫合機械を適用しようとする場合に使用される。ガイドマンドレル39′
は、盲人41′から離反した方の端部範囲に、雄ねじ山48′を有する栓体47
′を備えている。該栓体47′は雄ねじ山48′を介して、雌ねじ山36′を有
する、逆圧板34′の開口内にねじ込み可能である。
次に、本発明によって構成された装置の作用態様を、円形縫合される食道吻合に
関連して詳説する。
先ず食道並びにもう一方の腸部分に夫々巾着縫合が施される。次いで内視鏡37
′の中心孔38′内にガイドマンドレル39′が挿入される。次いで逆圧板34
′が内視鏡37′に螺着される。この準備操作は無菌台上で内視鏡視診医によっ
て行われる。これに続いてガイドマンドレル39′の盲人41′内に雄ねじ山付
きビン42′を嵌入することによって導入体43′が位置固定される。縫合機械
11’がクランプマガジン13′を以て第2の腸部分内へ挿入され、その際マン
ドレル17′をめぐって巾着縫合が行われる。次いで、準備された内視鏡37′
が逆圧板34′と共にマンドリン44′を介して口腔を通して挿入される。この
場合マンドリン44′は、巾着縫合部位の位置している食道端部で前記マンドリ
ンを施術者が把捉しうるまで前進せしめられる。その場合マンドリン44′によ
って逆圧板34′及び内視鏡37′は、導入体43′が食道の端部を超えて推進
されるまで引出される。次いで前記導入体43′と逆圧板34′との間で食道端
部における巾着縫合が形成される。両巾着僅合が作成されると直ちに導入体43
′はガイドマンドレル39′から解離される。次いで縫合機械11′のマンドレ
ル17′がガイドマンドレル39′とねじ締結される。該ねじ締結は刻み目付き
ねじ23′によるマンドレル17′の回動によって行われる。内視鏡37′を用
いて食道壁の視診チェックが行われる。最後にリング体28′の回動によって吻
合術が施されるが、この回動時のガイド円筒体25′の前進によってクランプが
相応のスリットから導出され、かつ中腔性容管の内部組成が環状の解剖刃14′
によって切断される。刻み目付きねじ23′による、互いにねじ締結されたマン
ドレル17′とガイドマンドレル39′との回動によって内視鏡37′が連結解
除され、かつ縫合機械11′はガイドマンドレル39′と一緒に腸から導出され
る。このためにバヨネット式締結機s40′とねじ締結機構22’、41’とは
逆回りに緊締する。吻合部の上位に内視鏡37′及び、該内視鏡にドツキングし
た逆圧板34′は残留する。内視鏡37′によって吻合部のチェックが行われる
。その場合、万一合併症がある場合にはその合併症の除去は内視@37’を用い
て行われる。また写真記碌の作成も可能である。
別の実施例として、円環状に縫合される直腸との吻合部の形成が挙げられる。先
ず直腸と、該直腸に接合すべき腸部分とに夫々巾着縫合術が施される。次いでガ
イドマンドレル3・9′が逆圧板34′にドツキングされる(第12図)。吻合
すべき腸部分の腔が施術者の方に向けて保持され、かつ監視下で逆圧板34′が
この腔内へ導入される。次いで巾着縫合が形成される。縫合機械11’の、クラ
ンプマガジン13’を保持するマンドレル部分が脹らまし可能な導入体43′と
連結され肛門を通して挿入される。巾着縫合、導入体43′の除去、それに続い
て吻合術が前述の方式で施される。この場合、逆圧板34′を監視下で腸内へ導
入しかつ巾着縫合を監視下で施すことができるので特に有利である。腸を巾着縫
合によって閉塞したのち、腸は問題なく小盤内へ導入することができ、その場合
側が腸から漏出することはな℃・。
特表千1−500966(8)
国際調査報告
入NNEX To 正E INTEPL’;ATIONAL SE入RCHRE
PCRT ON−−−−−+−―――−−−−−中−―e―・+−・++−−−
――−−−−−―・・++――1)JTER−NA7IONAL APPL:C
ATrON No、 ?Cτ/AT E17100029 (SA 16935
)―――−−−−−−++φ―+−−−−―−・+++・!・++ +−・−・
−―・・+−――――−−―−・―−+中・―−
Claims (1)
- 【特許請求の範囲】 1.クランプ縫合器であつて、中心のマンドレルと環状の解剖刀とを有していて マンドグリツプに取付けられたクランプマガジン及び、前記マンドレルの端部に 着脱可能に取付けられていて半球僧帽状の外面と、前記マンドレルの軸線に対し て直角に延びて前記クランプマガジンに対面していて吻合を行わせるためのクラ ンプ変形面とを有する逆圧板を備えている形式のものにおいて、逆圧板(7,3 4′)が差込み継手又はねじ継手(22,31,22′)によつて、マンドレル (6,17′)の端部に、又は、クランプ変形面(12,35′)を被覆し前記 差込み継手(22,31,22′)を湾曲した外面(18)で以て取囲むカバー キヤツプ(17,43′)に連結されることを特徴とする、クランプ縫合器。 2.差込み継手(22)がバヨネツト式締結機構として構成されていること(第 2図)を特徴とする、請求の範囲第1項記載のクランプ縫合器。 3.差込み継手(31)が、逆圧板(7)に結合されていて茸状端部(33)及 び縦方向に対して直角に突出する位置決めラグ(34)を有するピン(32)と 、マンドレル(6)の端部に結合されていてばねリング(35)及びスロツト状 開口(36)を有する接続管片(37)とから構成されていること(第6図)を 特徴とする、請求の範囲第1項記載のクランプ縫合器 4.差込み継手(22,31)が、ねじ山を介して着脱可能に逆圧板(7)に連 結されたピン状の第1の差込み継手部分(15)と、ねじ山を介して着脱可能に マンドレル(6)の端部に連結された第2の差込み継手部分(24)とから構成 されていることを特徴とする、請求の範囲第1項から第3項までのいずれか1項 記載のクランプ縫合器。 5.カバーキヤツプ(17,43′)が、使用位置で逆圧板(7,34′)のク ランプ変形面に隣接しかつ該クランプ変形面に平行に延びる底面(19)を有す る抛物面状の回転体として構成されており、しかも前記底面(19)が、該底面 に対して直角にかつ前記カバーキヤツプ(17)の中心に延びていて差込み継手 (22)の一部分、例えばバヨネツト式締結機構のピン(15)の位置決めラグ (16)のためのガイド溝(21)が配設された中心孔(20)を有しているこ とを特徴とする、請求の範囲第1項から第4項までのいずれか1項記載のクラン プ縫合器。 6.クランプマガジンとカバーキヤツプとを連結する結合片として、バヨネツト 式締結機構のピン(41)を夫々両端に配置した円筒状の中間片(40)が設け られていること(第7図)を特徴とする、請求の範囲第1項から第5項までのい ずれか1項記載のクランプ縫合器。 7.マンドレル(6)の端部又はカバーキヤツプ(17)に着脱可能に位置固定 可能な、差込み継手(22,31)の継手部分(24,40)が外面に、ローレ ツト切りの施された表面を有していることを特徴とする、請求の範囲第3項から 第8項までのいずれか1項記載のクランプ縫合器。 8.クランプマガジン(13′)から突出するマンドレル(17′)の端部上に ガイドマンドレル(39′)が共軸に螺合可能であり、該ガイドマンドレルの他 端が、逆圧板(34′)に結合された内視鏡(37′)に連結可能であること( 第8図〜第11図)を特徴とする、請求の範囲第1項から第7項までのいずれか 1項記載のクランプ縫合器。 9.ガイドマンドレル(39′)が、内視鏡(37′)の作業通路(38′)に 接続される端部範囲において、該ガイドマンドレルの外周面に対して直角に延び る複数の穴(46′)を有し、各穴には、前記内視鏡(37′)の端部範囲でば ね負荷されて配置されたラグ(45′)が係止可能であり、しかも該ラグ(45 ′)は戻し装置によつてガイドマンドレル(39′)の前記穴(46′)から離 脱されることを特徴とする、請求の範囲第8項記載のクランプ縫合器。 10.逆圧板(34′)が、クランプ変形用の圧着面(35′)から離反した方 の端部範囲に、内視鏡(37′)の端部に着脱可能に位置固定するためにねじ山 (36′)、バヨネツト式締結機構又はその他の迅速継手を備えた開口を有して いることを特徴とする、請求の範囲第8項又は第9項記載のクランプ縫合器。 11.殊に有利には脹らせし可能な半球僧帽状の導入体(43′)が設けられて おり、該導入体が、その凸面状表面の中心に接続されるマンドリン(44′)と 、該マンドリン(44′)の固定部位から離反して位置していて前記導入体(4 3′)をガイドマンドレル(39′)に固定するための雄ねし山付きピン(41 ′)とを有していることを特徴とする、請求の範囲第8項から第10項までのい ずれか1項記載のクランプ縫合器。 12.中空マンドレル(16′)内に支承されたマンドレル(17′)が、クラ ンプマガジン(13′)から離反した方の端部範囲に、縦軸線に対して直角に延 びるディスク(23′)を有し、かつ前記中空マンドレル(16′)が前記端部 範囲で雄ねじ山(18′)を介して、ケーシング(12′)に支承された蝶ねじ (20′)と結合されていることを特徴とする、請求の範囲第8項から第11項 までのいずれか1項記載のクランプ縫合器。 13.ケーシング(12′)の円筒状の開口(24′)内には、端面側で環状の 解剖刀(14′)と連結されかつ作動装置(26′)を介してクランプマガジン (13′)と連結されたガイド円筒体(25′)が設けられており、該ガイド円 筒体がその外周面に雄ねじ山(27′)を有し、該雄ねじ山は、外周面が前記ケ ーシング(12′)の外側に張出すように構成されたリング体(28′)と噛合 つていること(第8図)を特徴とする、請求の範囲第8項から第12項までのい ずれか1項記載のクランプ縫合器。 14.クランプ縫合器が内視鏡(37′)と連結されていることを特徴とする、 請求の範囲第1項から第13項までのいずれか1項記載のクランプ縫合器。 15.巾着縫合部位を有する端部をクランプマガジンの周りにかぶせ嵌めて吻合 すべき一方の中腔性器管内に外科的なクランプ縫合器を導入することによつて吻 合部を形成する方法であつて、やはり巾着縫合部を有する吻合すべき他方の中腔 性器管の自由端部を、マンドレルを介してクランプマガジンと連結されていてク ランプ変形面を有する半球僧帽状の逆圧板にかぶせ嵌め、かつ該逆圧板をクラン プマガジンに圧着することによつて両方の中腔性器管をクランプ結合する形式の ものにおいて、前記逆圧板を、クランプ変形面を被覆し該クランプ変形面に対し て凸面状の表面を有するカバーキヤツプと連結し、かつ前記逆圧板を前記カバー キヤツプと一緒に、しかもクランプ縫合器に連結されていて吻合すべき一方の中 腔性器管内へ導入されたクランプマガジンとは無関係に、吻合すべき他方の中腔 性器管内へ、巾着縫合部を有する自由端部へ向つて導入し、前記逆圧板が所定位 置に達したのち前記カバーキヤツプを取除き、該逆圧板をクランプ縫合器のマン ドレルと連結することを特徴とする、吻合部を形成する方法。 16.カバーキヤツプに連結された逆圧板を消息子と連結し、該消息子を用いて 、吻合すべき中腔性器管内へ導入することを特徴とする、請求の範囲第15項記 載の方法。 17.中腔性器管の吻合すべき両端部に巾着縫合部を作成したのち、吻合部を形 成する装置を一方の中腔性器管内へ導入して該中腔性器管の巾着縫合部に達する まで導き、かつ内視鏡を用いて逆圧板を他方の中腔性器管内へ導入して該中腔性 器管の巾着縫合部に達するまで導き、次いで、ガイドマンドレルを有する逆圧板 を前記装置のマンドレルと連結して吻合術を施し、かつ吻合を行なつたのち前記 逆圧板を、前記ガイドマンドレルから解離して前記内視鏡を用いて前記装置には 無関係に後退させることを特徴とする、請求の範囲第15項記載の方法。 18.中腔性器管内へ導入する際に逆圧板及び内視鏡と連結された中空マンドレ ルに、前記逆圧板に対してほぼ鏡面対称に構成された殊に脹らませ可能な導入体 を固定し、かつ前記逆圧板が所定の位置に達したのち前記導入体をガイドマンド レルから取外すことを特徴とする、請求の範囲第18項記載の方法。 19.内視鏡を、クランプ縫合器の少なくとも一部分と同時に、吻合すべき中腔 性器管内へ導入することを特徴とする、請求の範囲第15項から第18項までの いずれか1項記載の方法。 20.中心のマンドレルと環状の解剖刀とを有していてハンドグリツプに取付け られたクランプマガジン及び、前記マンドレルの端部に着脱可能に取付けられて いて半球僧帽状の外面と、前記マンドレルの軸線に対して直角に延びて前記クラ ンプマガジンに対面していて吻合を行わせるためのクランプ変形面とを有する逆 圧板を備えたクランプ縫合器用の縫合ヘツドにおいて、該縫合ヘツドが2部分か ら構成されており、しかも前記逆圧板(7,34′)が差込み継手もしくはねじ 継手(22,31,22′)によつて、前記マンドレル(6,17′)の端部に 、又は、クランプ変形面(12,35′)を被覆して前記差込み継手(22,3 1,22′)を湾曲した外面(18)で以て取囲むカバーキヤツプ(17,43 ′)に連結されることを特徴とする、クランプ縫合器用の縫合ヘッド。 21.請求の範囲第2項から第14項までの少なくとも1項に記載の構成を有す ることを特徴とする、請求の範囲第20項記載の縫合ヘツド。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1052/86 | 1986-04-21 | ||
AT105286A AT387513B (de) | 1986-04-21 | 1986-04-21 | Klammernahtinstrument zur durchfuehrung einer anastomose |
AT0066387A AT388497B (de) | 1987-03-19 | 1987-03-19 | Vorrichtung zur herstellung einer anastomose |
AT663/87 | 1987-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01500966A true JPH01500966A (ja) | 1989-04-06 |
Family
ID=25593505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62502425A Pending JPH01500966A (ja) | 1986-04-21 | 1987-04-21 | 吻合部を作成する装置と方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4817847A (ja) |
EP (1) | EP0267202B1 (ja) |
JP (1) | JPH01500966A (ja) |
AT (1) | ATE96633T1 (ja) |
AU (2) | AU7286587A (ja) |
DE (1) | DE3788037D1 (ja) |
FI (1) | FI875584A (ja) |
WO (1) | WO1987006448A1 (ja) |
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JP2009072602A (ja) * | 2007-09-24 | 2009-04-09 | Tyco Healthcare Group Lp | アンビル送達デバイスの付属品 |
JP2009136670A (ja) * | 2007-09-24 | 2009-06-25 | Tyco Healthcare Group Lp | 締まりばめによる挿入の補助 |
JP2011036686A (ja) * | 2003-06-20 | 2011-02-24 | Tyco Healthcare Group Lp | 外科用ステープリング装置 |
JP2012205718A (ja) * | 2011-03-29 | 2012-10-25 | Fujifilm Corp | 管吻合器 |
JP2015536224A (ja) * | 2012-12-04 | 2015-12-21 | エシコン・エンド−サージェリィ・インコーポレイテッドEthicon Endo−Surgery,Inc. | 拡大特徴を有する経口円形アンビル導入システム |
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Publication number | Priority date | Publication date | Assignee | Title |
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CA736256A (en) * | 1962-08-27 | 1966-06-14 | S. Kasoolin Viacheslav | Instrument for suturing esophagus to intestine or stomach |
NL7711347A (en) * | 1977-10-17 | 1979-04-19 | Carl Robert Erik Daantje | Stapling instrument for joining intestine ends - has head coupling rod in two parts screwing together with hand grip |
US4606343A (en) * | 1980-08-18 | 1986-08-19 | United States Surgical Corporation | Self-powered surgical fastening instrument |
US4351466A (en) * | 1980-10-16 | 1982-09-28 | United States Surgical Corporation | Disposable instrument for surgical fastening |
US4576167A (en) * | 1981-09-03 | 1986-03-18 | United States Surgical Corporation | Surgical stapler apparatus with curved shaft |
US4667673A (en) * | 1984-03-12 | 1987-05-26 | American Cyanamid Company | Anastomotic device applicator and method |
US4574806A (en) * | 1984-10-01 | 1986-03-11 | Cordis Corporation | Tunnelling device for peripheral vascular reconstruction |
-
1987
- 1987-04-21 EP EP87902307A patent/EP0267202B1/de not_active Expired - Lifetime
- 1987-04-21 JP JP62502425A patent/JPH01500966A/ja active Pending
- 1987-04-21 DE DE87902307T patent/DE3788037D1/de not_active Expired - Fee Related
- 1987-04-21 AU AU72865/87A patent/AU7286587A/en not_active Abandoned
- 1987-04-21 WO PCT/AT1987/000029 patent/WO1987006448A1/de active IP Right Grant
- 1987-04-21 US US07/143,163 patent/US4817847A/en not_active Expired - Fee Related
- 1987-04-21 AT AT87902307T patent/ATE96633T1/de not_active IP Right Cessation
- 1987-12-18 FI FI875584A patent/FI875584A/fi not_active Application Discontinuation
-
1990
- 1990-11-20 AU AU66807/90A patent/AU6680790A/en not_active Abandoned
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011036686A (ja) * | 2003-06-20 | 2011-02-24 | Tyco Healthcare Group Lp | 外科用ステープリング装置 |
JP2009072602A (ja) * | 2007-09-24 | 2009-04-09 | Tyco Healthcare Group Lp | アンビル送達デバイスの付属品 |
JP2009136670A (ja) * | 2007-09-24 | 2009-06-25 | Tyco Healthcare Group Lp | 締まりばめによる挿入の補助 |
JP2012205718A (ja) * | 2011-03-29 | 2012-10-25 | Fujifilm Corp | 管吻合器 |
JP2015536224A (ja) * | 2012-12-04 | 2015-12-21 | エシコン・エンド−サージェリィ・インコーポレイテッドEthicon Endo−Surgery,Inc. | 拡大特徴を有する経口円形アンビル導入システム |
Also Published As
Publication number | Publication date |
---|---|
WO1987006448A1 (fr) | 1987-11-05 |
EP0267202A1 (de) | 1988-05-18 |
DE3788037D1 (de) | 1993-12-09 |
ATE96633T1 (de) | 1993-11-15 |
FI875584A0 (fi) | 1987-12-18 |
EP0267202B1 (de) | 1993-11-03 |
FI875584A (fi) | 1987-12-18 |
US4817847A (en) | 1989-04-04 |
AU6680790A (en) | 1991-02-14 |
AU7286587A (en) | 1987-11-24 |
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