JPH1189848A - 外科手術器具カートリッジとその製造方法 - Google Patents
外科手術器具カートリッジとその製造方法Info
- Publication number
- JPH1189848A JPH1189848A JP10122840A JP12284098A JPH1189848A JP H1189848 A JPH1189848 A JP H1189848A JP 10122840 A JP10122840 A JP 10122840A JP 12284098 A JP12284098 A JP 12284098A JP H1189848 A JPH1189848 A JP H1189848A
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
- A61B17/1222—Packages or dispensers therefor
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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
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
科手術器具用の使い捨てカートリッジを提供する。 【解決手段】 改良された外科手術器具カートリッジと
そのカートリッジを製造するための方法は、表面部材
と、互いにある距離だけ離れ表面部材に接続された1対
の側壁とを備えたハウジングからなるカートリッジを用
意する工程を有する。その側壁の少なくとも一つが内部
に配設された複数のスロットを有している。次に、複数
の駆動装置が撓んだ側壁に隣接して配置できるように、
このスロットを形成した側壁を撓ませる。各タブを各ス
ロット内に移動可能に拘束し、駆動装置がスロットを形
成した側壁に対して移動できるように、駆動装置タブを
側壁タブ内に直接挿入する。
Description
用の使い捨てカートリッジに関し、さらに詳しくは新し
く有効な使い捨てカートリッジと、外科手術器具で使用
するためのそのカートリッジを製造するための方法に関
する。
開、締結(縫合)或いは止血を行なうための外科手術器
具を利用することは外科手術分野で十分確立された方法
である。これらの所望の治療効果を達成するために、複
数のファスナー(締結具)やクリップを含むカートリッ
ジを備えた外科手術締結器具を外科医が利用することは
一般的な方法である。特定の外科手術締結器具からの多
くの発射(押し出し)が必要になる多数の外科手術手技
(手順)があるため、一旦、器具を発射すればカートリ
ッジがその器具から除去され、新しいカートリッジをそ
の場所に装填するように使い捨てのカートリッジを利用
することは一般的である。
ビルに対して対向したスペースの関係で配置する手術組
織締結器具に使用することが通常である。このアンビル
は、発射されたステープル或いはクリップをそれに形成
するためのファスナー形成面を提供する。上記概説され
た所定の治療効果を達成するために、組織を外科手術締
結器具のカートリッジとアンビルとの間に配置する。こ
れらの器具はまた、アンビルに向けて形成される組織を
通してファスナーを突き出す(放出する)ためのカート
リッジを動かす駆動装置(ドライバー)アセンブリを備
えている。
他)は使い捨てファスナーカートリッジを利用する代表
的な外科手術締結器具を開示している。この外科手術締
結器具は開放外科手術手技で通常使用される線状カッタ
ーであり、使い捨てカートリッジとアンビルを備えてい
る。上記のように、発射前に線状カッターのカートリッ
ジとアンビルの間に組織を配置する。カッターを発射す
ると同時に、一連のステープル列を組織に形成し、同時
に捕捉組織を切開するために切開用ナイフをステープル
列間に当てる。この線状カッターのタイプで利用される
カートリッジは、その器具を一旦発射すると廃棄され
る。
on他)は内視鏡的外科手術手技に使用される線状カッタ
ーを開示している。このタイプの線状カッターは上記概
説の線状カッターと同様であるが、カートリッジとアン
ビルの両方が、損傷を最小にする様々な外科手術手技で
組織の締結と切開を容易にするために細長いシャフトの
遠位端に配置されている。
他)は開放外科手術手技で使用される線状ステープラー
を開示している。このタイプのステープラーはまた、使
い捨てファスナーカートリッジとそのカートリッジの丁
度反対側に配置されたアンビルも備えている。一旦、組
織をカートリッジとアンビルとの間に配置したら、カー
トリッジとアンビルとの間のギャップを調整するためカ
ートリッジをアンビルに対して移動調整する。一旦この
器具を発射すれば、望ましければ、締結された組織を切
開するため外科用メスのような切開用器具が必要にな
る。この切開はメスの刃(ブレード)を組織に、しかも
アンビル上を進めることにより行なわれる。
30を図3に示す。この使い捨てカートリッジ30は熱
可塑性材料で作られたハウジングであり、内部に複数の
開口或いはポケット50を有するプラットフォームであ
る表面部材38を備えている。遠位端37を有する1対
の側壁34は、互いに離れており、遠位端37の反対側
の表面部材38の下側39に接続されている。各側壁3
4は表面部材38の下側39から垂直に延在しており、
互いに略平行である。
38の下側39で表面部材38に接続されている。主リ
ブ46も表面部材38から垂直に延在しており、側壁3
4に略平行である。主リブ46はまた、側壁34の遠位
端37を越えて僅かな距離だけ延在する遠位端47を有
する。ナイフスロット55は、切開用ナイフを使用する
カッター器具のナイフの刃(図示せず)を収納するため
に主リブ46を介して軸方向に延在している。これらの
タイプの器具は本明細書の発明の技術分野と従来技術に
記載された線状カッターとして一般に知られている。
一般に36で示され主リブ46の各側壁に接する垂直ス
ペース或いはキャビティを作る。ウェブ48は表面部材
38の下側39に接続され、表面部材38の各駆動装置
(ドライバー)キャビティ36に配置される。各駆動装
置キャビティ36にはガイドトラック49が備えてあ
り、ポケット50に通じている。各ポケット50は駆動
装置キャビティ36と丁度に心合わせ(整列)されてい
る。
に配置され、内部で移動可能である。駆動装置キャビテ
ィ36は駆動装置40の幅W2 よりわずかに大きい幅W
1 を有する。駆動装置キャビティ幅W1 は、駆動装置幅
W2 が駆動装置40を駆動装置キャビティ36に直接挿
入或いは落下するように容易に収納できるような大きさ
になっている。駆動装置キャビティ幅W1 は、駆動装置
40を駆動装置キャビティ36内に迅速に装備するため
に駆動装置幅W2 より大きい。なおこの装備はキャリッ
ジ30の製造時に手で通常行なわれる。さらに、駆動装
置キャビティ幅W1 により、駆動装置40がキャリッジ
30のウェブ48に当たるまでキャビティ36内でのそ
の垂直運動が可能になる。
の各々のクラウンで保持するために各駆動装置40の上
端にステープル溝44を備えている。
の発射と作動と同時にポケット50を介して直線状にス
テープル22を支援しガイドするために、側壁34、ウ
ェブ48、主リブ46に隣接してそれぞれ配置されてい
る。
常に時間がかかる長いプロセスであり、カートリッジ3
0に対して非常に厳しい製造規格が必要である。上方位
置に配置された主リブ46の遠位端47で表面部材38
が平面に配置されるように、先ずカートリッジを配向す
る。次に、駆動装置40をキャビティ36内に直接落と
すことにより駆動装置40をキャビティ36内に手で装
填(セット)する。上記のように駆動装置キャビティ幅
W1 を、駆動装置幅W2 が容易に適合できるだけの大き
さにしてある。従って、駆動装置40は何の抵抗もなく
駆動装置キャビティ36内に落下することができる。
手で装填されたら、通常、熱間頭造ダイであり、特定の
型押し(エンボス)頭造用パターンを有する加圧工具2
8を主リブ46の遠位端47に押し付ける。加圧工具2
8を高温に加熱して主リブ遠位端47のプラスチック材
料を溶融させ加圧工具28の型押しパターンの形状に変
形することができる。この製造プロセス工程時に、作業
者は加圧工具28を主リブ遠位端47内に直接押し付
け、駆動装置40がキャリッジ30から落下しないよう
にキャビティ36上で主リブ遠位端47の実質的部分で
押さえる。この工程は熱間頭造工程であり、製造プロセ
スにおいて重要な工程(ステップ)である。この熱間頭
造工程に影響を与える重要なファクターは、加圧工具2
8の温度、加圧工具28により主リブ遠位端47にかけ
る圧力或いは力の量、加圧工具28を主リブ遠位端47
に押し付けたままの時間、加圧工具28の型押しパター
ンのタイプとその他影響を与えるファクターである。
尚、加圧工具28が主リブ遠位端47を十分変形できれ
ば、その工具28が冷間頭造ダイ或いは他のタイプの頭
造ダイであることが一般的でないということはないだろ
う。
プル22のステープルクラウン23が駆動装置40の各
溝44に配置されるようにカートリッジ30内にステー
プル22を装填する。
に装填したら、搬送と取扱い時にステープル22をカー
トリッジ30に確実に保持するために、搬送用タブ或い
はステープル保持具(図示せず)を、ポケット50を覆
う表面部材38上に通常配置する。
た使い捨てカートリッジ製造方法に関連した多くの問題
があることがわかっている。上記のように熱間頭造工程
は、主リブ遠位端47を変形するために十分に高い温度
まで加熱される加圧工具で実施されるため、製造プロセ
スにおいて重要な工程である。上記のように、制御する
必要がある熱の量と力の量のような厳しいプロセスパラ
メーターがある。これらのパラメーターがわずかにばら
ついても不良カートリッジ30を製造することになるだ
ろう。さらに、主リブ遠位端47から正確な量の材料が
変形してキャビティ36の一部分を覆うが、それがキャ
ビティ36内での駆動装置40の本来の位置取りや動き
に影響を及ぼすようにキャビティには侵入しないよう
に、主リブ遠位端47が精密に変形されることを確保す
るためには、加圧工具28の形状が極めて重要である。
変形した主リブ遠位端47はキャビティ36の一部分を
ブロックすることによってキャビティ36に駆動装置4
0を保持できるが、キャビティ36内で駆動装置40の
摩擦抵抗をわずかでも増やしてはならないことは重要で
ある。キャビティ36に対して駆動装置40の摩擦抵抗
がわずかに増大してもカートリッジ30の機能に不都合
な影響を与えるだろう。
1)内で適正に配置でき、発射できるように規格に合っ
た最終カートリッジ高さを有することは非常に重要であ
る。従って、加圧工具28を正確で規定の方法で使用し
なければ、カートリッジ30が外科手術器具20のカー
トリッジホルダー24に嵌合しない場合がある。カート
リッジホルダー24内でカートリッジ30の心合わせが
悪いと、駆動装置40が実質的にカートリッジ30を越
えて進みそれによりその規定の前進距離を越える結果と
なるだろう。これはカートリッジ駆動装置40のオーバ
ードライブとして普通知られている。
め、この公知のカートリッジ製造プロセスに高度の誤差
が生じる。従って、モニターと制御がしっかりなされる
それらのカートリッジ製造技術とプロセスの場合でさ
え、製造され、所定の規格にまだ不十分なカーリッジの
割合となるものがまだある。その公知カートリッジ30
のスクラップ率は製造された全体のカートリッジの内の
5%程度であると見込まれる。予想されるように、これ
らのカートリッジは決して市場に放出されず、製造者に
対しコスト増大となる。
その器具を多数発射する必要がある様々な外科手術手技
で使用される。従って、これらの器具の全ては、カート
リッジ内に保管され、その器具を発射することによりカ
ートリッジから放出される複数のファスナー、ステープ
ル或いはクリップを有する使い捨てカートリッジを利用
する。様々な外科手術手技の高精度な要求に合わせるた
めに、これらのカートリッジはデザインと構成が非常に
高精度であることが必要であることを当業者はよくわか
っている。使い捨てファスナーカートリッジが組織内に
発射された時に、カートリッジがファスナーを予期され
予測されるファスナー高さで突き出すように、ファスナ
ーカートリッジを設計し構成することが重要である。従
って、カートリッジが再現性があり予想できる性能を示
すことが非常に重要である。
ザイン)と製造において大きな注意が払われる。カート
リッジデザインが精巧であるため、これらのカートリッ
ジの製造プロセスが、必要とされる様々な製造工程(ス
テップ)により非常に厳しくなる。外科医と患者から期
待される品質を保証するため、非常に高精度で注意深く
これらの工程を実施する必要がある。従って、ファスナ
ーの不発、欠陥配置或いは発射と同時に生じる外科手術
器具の詰まりを防止するために、カートリッジデザイン
と製造の両方に厳しい規格が必要である。そこでかなり
の労力をかけプロセス制御を行なってカーリッジがこれ
らの規格に合うようにしている。想像できるように高品
質の使い捨てカートリッジを提供するためには多くの資
源が必要とされる。
科手術環境では、コスト効果があり、その上厳しい規格
に合わせることができるデザインと製造方法を使い捨て
カートリッジが有することが重要である。効率的でコス
ト効果のある製造プロセスを支え、外科手術で使用する
ための精度と品質要求に十分に合ったデザインを有する
外科手術ファスナーカートリッジは現在知られていな
い。
ザインがコスト効果のある外科手術器具用の使い捨てカ
ートリッジを提供することである。本発明の他の目的
は、単純でコスト効果のある製造方法を提供する外科手
術器具用の使い捨てカートリッジを提供することであ
る。本発明の他の目的は、予測可能なファスナー高さを
可能とする外科手術器具用の使い捨てカートリッジを提
供することである。本発明の他の目的は、高品質で予測
できるカートリッジ製造方法を与える外科手術器具用の
使い捨てカートリッジを提供することである。
はクリップのような複数のファスナーを発射する外科手
術器具用の使い捨てカートリッジである。
と、互いにある距離だけ離れ表面部材に接続された1対
の側壁とを備えたハウジングである。その側壁の少なく
とも一つが内部に配設された複数の垂直スロットを有し
ている。この側壁は、複数の駆動装置がスロットを形成
した側壁に隣接して配置できるように可撓性がある(撓
む)。本発明で利用される駆動装置の各々はその装置か
ら延在し側壁のそれぞれのスロット内に挿入できるタブ
を有する。各駆動装置はスロットを形成した側壁に対し
て移動可能であり、各タブはそのスロット内で移動可能
に拘束される。ステープルは各駆動装置に配置され、カ
ートリッジ内に入れられる。
カートリッジを製造するための新しい方法を包含してい
る。この方法は、表面部材と、互いにある距離だけ離れ
表面部材に接続された一対の側壁であって少なくとも一
つの側壁が少なくとも一つのスロットをその中に有する
1対の側壁とを有するカートリッジを用意する工程を有
する。スロットが形成された側壁を次に撓ませ、複数の
駆動装置をその撓んだ側壁に隣接して配置する。各駆動
装置はタブを有し、それにより各駆動装置がスロット形
成側壁に対して移動できるように各タブを撓んだ側壁の
それぞれのスロット内に挿入する。各タブは各スロット
内で移動可能に拘束される。最後にステープルを各駆動
装置上に配置することによってステープルをカートリッ
ジ内に装填する。
この開示の一部を構成する特許請求の範囲に示す。本発
明、その作用する利点、その使用によって達成される特
定の目的の理解を深めるために、本発明の好ましい実施
形態を示す添付図面と説明を参照する。
して使用される複数のファスナー或いはクリップを備え
た使い捨てカートリッジに関する。図1は一般に20で
示される典型的な外科手術締結器具を示し、この器具は
使い捨てカートリッジを発射するためのカートリッジホ
ルダーを利用する。
aで示され、上記外科手術器具のタイプで使用するため
の使い捨てファスナーカートリッジである。図3の先行
技術カートリッジ30に対して説明し図示した部分と同
様の部分を示すのに同じ参照番号を使用する。
く示したように、本発明によるカートリッジ30aは、
カートリッジ30aの側壁34に設けた複数の垂直窓
(ウィンドウ)或いはスロット35を備えたハウジング
である。スロット35が側壁34を完全に延在している
構成が図示されているが、側壁34を完全には延在して
いないスロット35を側壁に設けることも本発明の範囲
内に十分入る。従って、開放した窓でなくむしろ側壁3
4に形成した溝(グルーブ)であるスロット35を具備
することは本発明の範囲外ではない。しかしながら、本
発明は側壁34全体に延在する開放窓であるスロット3
5を利用するのが好ましい。
は、駆動装置40aから横方向に延在する突起或いはタ
ブ41を有する駆動装置40aを備えている。はっきり
と図示しているように、タブ41は駆動装置40aから
横方向に延在し、キャビティ幅W1 より大きな駆動装置
幅W3 を規定する。スプルー60は、駆動装置40aの
駆動装置キャビティ36への装填を支援するためにタブ
41に取外し可能に接続されている。スプルー60を使
用することにより一連の駆動装置40aを、駆動装置4
0aの列全体を相互に連結するようにスプルー60を使
用しながら直線的に心合わせすることができる。従っ
て、駆動装置40aの列全体を一度に駆動装置キャビテ
ィ36内に装填することができる。これにより先行技術
カートリッジ30(図3)の装填で普通である駆動装置
の全てを一度に1個づつ手で装填する必要性がなくな
る。スプルー60が駆動装置タブ41に取外し可能に接
続されているため、駆動装置の装填時にスプルー60を
取り壊すか、タブ41から外すことができる。
のタブ41が十分に適合する大きさにし、それにより図
9及び図10に最もよく図示してあるように、タブ41
をスロット35内に移動可能に拘束する。
カートリッジ30aを製造する方法は、主リブ遠位端4
7が上方位置になるように表面部材38を平面上に設置
する工程を有する。次に、タブ41が側壁34の遠位端
37に支持されるまで、駆動装置40aを駆動装置キャ
ビティ36内に配置する。上記のようにスプルー60に
より駆動装置48の列全体を簡単装填のためにキャビテ
ィ36に同時に配置することができる。
装置タブ41を一旦配置したら、図7の右側に最もよく
示してあるようにスプルー60をタブ41から外すか取
り壊す。
をキャビティ36内に押し下げることにより側壁34を
主リブ47から外側に撓ませる。僅かな力を駆動装置4
8にかけることによりタブ41を側壁遠位端37の内面
に接触させ、側壁34がカートリッジ30aから外側に
撓むように遠位端37をスライド可能に移動する。
移動すると、図9及び図10に示したようにタブ41は
側壁スロット35内に直接入る。カートリッジ30a
は、駆動装置40aを駆動装置キャビティ36内に押し
込む際に駆動装置40aで側壁34に対してかけた僅か
な力に耐えるプラスチック材料からできている。プレス
嵌め(圧入)で挿入される駆動装置40aを適合させる
ために、側壁34の材料成分により、カートリッジ30
aから側壁34が外側に撓むのが可能になる。
ィ36内に圧入でき、タブ41が側壁スロット35内に
挿入可能である限り、駆動装置40aをフレキシブル材
料でできたタブ41及び剛性なカートリッジ側壁34と
共に使用することは本発明の範囲外ではない。
ィ36内に圧入して駆動装置タブ41を側壁スロット3
5内に配置すると、タブ41はスロット35内に移動可
能に拘束される。スロット35内に移動可能にタブ41
が拘束されると、駆動装置40aはカートリッジ30a
で保持されたままで予測可能な方法でキャビティ36内
に移動することが可能である。駆動装置40aの幅W3
が駆動装置キャビティ36の幅W1 より大きいため、駆
動装置タブ41が側壁34のスロット35内に、配置さ
れると搬送時、取扱い時、使用時に駆動装置40aがカ
ートリッジ30aから出る危険がほとんどない。
の移動範囲内に拘束することにより駆動装置40aの所
定の移動範囲がキャビティ36内で可能になるような寸
法になっている。側壁スロット35内にタブ41を移動
可能に拘束することにより、所定の移動範囲を正確に決
めることができる。従って、駆動装置40aを進める所
定の距離によりカートリッジ30aを比較的簡単で制御
可能な方法で複数の仕様に製造することができる。
テープル22をポケット50を介してカートリッジ30
aに一旦配置するとステープルクラウン23が駆動装置
溝44に配置されるように、ステープル22をカートリ
ッジ30a内に装填することである。
製造方法では先行技術カートリッジ30(図3)に関連
した高価な加圧工具28が不必要である。上記のように
加圧工具は、先行技術カートリッジ30の製造に組み込
まれた複数の変数量のため維持し制御するのが困難な、
通常、熱間頭造装置である。
工具28の必要性を無くし、且つ、その管理と作動に要
する労力の減少により、本発明による製造方法に関連し
たかなりのコスト低減になる。
トリッジ30aの製造方法のためにカートリッジスクラ
ップが非常に減少する。
41を発射前の位置、例えば、器具20(図1)の発射
される前の位置のスロット35に配置する。器具20の
発射と同時に図5(b)に示したように駆動装置40a
を表面部材38に向けて発射位置まで進める。この発射
シーケンスを通じてタブ41をスロット35内に移動可
能に拘束して駆動装置40aのオーバードライブの可能
性を無くしている。オーバードライブの可能性が無くな
ることは図10に最もよく示してある。この図では、ポ
ケット50を通して所定の距離で或いは駆動装置タブ4
1が表面部材38に接触するまで駆動装置40aを進ま
せて示してある。従って、本発明によるカートリッジ3
0aとそのカートリッジ30aの製造方法は新しく、コ
スト効果があり、予測できるものである。その予測可能
性により、上述のような高精度外科手術器具20での使
用のために信頼性ある使い捨てカートリッジとなる。
関連させて説明したが、特許請求の範囲で述べた発明の
範囲と趣旨(精神)内に多くの他の実施形態が十分に入
ることがこの詳細な明細書を検討している人に容易に明
らかであろう。
ものがある。 (1)前記ハウジングの前記表面部材は内部に前記少な
くとも一つの駆動装置と心合わせされた少なくとも一つ
のポケットを備える請求項1記載のカートリッジ。 (2)前記少なくとも一つの駆動装置と関連した少なく
とも一つのステープルを備える実施態様(1)記載のカ
ートリッジ。 (3)前記少なくとも一つの駆動装置が前記少なくも一
つの側壁に対して発射前位置から発射位置まで移動でき
る実施態様(2)記載のカートリッジ。 (4)前記少なくも一つの側壁が撓む請求項1記載のカ
ートリッジ。
記タブに取外し可能に接続されたスプルーを有する請求
項1記載のカートリッジ。 (6)前記タブは前記少なくとも一つのスロット内に移
動可能に拘束される請求項1記載のカートリッジ。 (7)前記少なくも一つの側壁は中にスロットを備える
請求項2記載のカートリッジ。 (8)前記少なくとも一つの駆動装置の前記タブは前記
スロット内に移動可能に拘束される実施態様(7)記載
のカートリッジ。 (9)前記ハウジングの前記表面部材は内部に前記少な
くとも一つの駆動装置と心合わせされた少なくとも一つ
のポケットを備える実施態様(8)記載のカートリッ
ジ。
関連した少なくとも一つのステープルを備える実施態様
(9)記載のカートリッジ。 (11)前記駆動装置にステープルを配置する工程を有
する請求項3記載の方法。 (12)各駆動装置にステープルを配置する工程を有す
る請求項4記載の方法。 (13)前記駆動装置にステープルを配置する工程を有
する請求項5記載の方法。 (14)前記駆動装置にステープルを配置する工程を有
する請求項6記載の方法。
くとも一つのスロットを備える請求項7記載のカートリ
ッジ。 (16)前記少なくとも一つの駆動装置は、前記少なく
とも一つのスロット内に挿入され移動可能に拘束される
タブを備える実施態様(15)記載のカートリッジ。 (17)前記少なくとも一つの側壁は撓む実施態様(1
6)記載のカートリッジ。 (18)前記少なくとも一つの駆動装置と関連したステ
ープルを有する実施態様(17)記載のカートリッジ。
造が単純でデザインがコスト効果のある外科手術器具用
の使い捨てカートリッジを得ることができる。
明による使い捨てファスナーカートリッジの斜視図であ
る。
の加圧工具を備えた先行技術ファスナーカートリッジの
横断面図である。
図である。
カートリッジの側面図であり、(b)は発射位置の駆動
装置を備えた図4のカートリッジの側面図である。
期挿入を示す図4のカートリッジの横断面図であり、図
の右側はから分離されている成形スプルーを示す図であ
る。
図4のカートリッジの横断面図である。
のカートリッジの横断面図である。
ジの横断面図である。
Claims (7)
- 【請求項1】 表面部材と、互いにある距離だけ離れ前
記表面部材に接続された一対の側壁であって少なくとも
一つの側壁が少なくとも一つのスロットをその中に有す
る1対の側壁とを備えたハウジングと、 タブを有しており、前記タブが前記少なくとも一つのス
ロット内で移動可能であるように前記少なくとも一つの
側壁に対して移動可能である少なくとも一つの駆動装置
と、を具備する外科手術器具カートリッジ。 - 【請求項2】 表面部材と、互いにある距離だけ離れ前
記表面部材に接続され少なくとも一つの側壁が撓む1対
の側壁とを備えたハウジングと、 タブを有しており、前記少なくとも一つの側壁を撓ませ
ることによりカートリッジ内に挿入できる少なくとも一
つの駆動装置を具備する外科手術器具カートリッジ。 - 【請求項3】 表面部材と、互いにある距離だけ離れて
前記表面部材に接続された一対の側壁であって少なくと
も一つの側壁が少なくとも一つのスロットをその中に有
する1対の側壁とを備えたハウジングからなるカートリ
ッジを用意する工程と、 前記少なくとも一つのスロットを有する前記少なくとも
一つの側壁を撓ませる工程と、 タブを有する駆動装置を、前記駆動装置が前記少なくと
も一つの側壁に対して移動可能であり前記タブが前記ス
ロット内で移動可能に拘束されるように、前記タブをス
ロット内に挿入することによって、前記撓ませた少なく
とも一つの側壁に隣接して配置する工程を有する外科手
術器具カートリッジの製造方法。 - 【請求項4】 表面部材と、互いにある距離だけ離れ前
記表面部材に接続された一対の側壁であって、少なくと
も一つの側壁が中に配設された複数のスロットを有する
1対の側壁とを備えたハウジングからなるカートリッジ
を用意する工程と、 前記少なくとも一つの側壁を撓ませる工程と、 前記撓ませた少なくとも一つの側壁に隣接して、タブを
各々有する複数の駆動装置を配置する工程と、 前記各駆動装置が前記少なくとも一つの側壁に対して移
動可能であり各タブが各スロット内で移動可能に拘束さ
れるように、前記各駆動装置のタブを前記撓ませた少な
くとも一つの側壁の各スロットに挿入する工程を有する
外科手術器具カートリッジの製造方法。 - 【請求項5】 表面部材と、互いにある距離だけ離れ前
記表面部材に接続された一対の側壁であって少なくとも
一つの側壁が少なくとも一つのスロットをその中に有す
る1対の側壁とを備えたハウジングからなるカートリッ
ジを用意する工程と、 前記少なくとも一つの側壁を撓ませる工程と、 タブを有する駆動装置を、前記タブを前記少なくとも一
つのスロットに挿入することによって前記少なくとも一
つの側壁の前記ハウジング内に配置する工程を有する外
科手術器具カートリッジの製造方法。 - 【請求項6】 表面部材と、互いにある距離だけ離れ前
記表面部材に接続された一対の側壁であって少なくとも
一つの側壁が撓む1対の側壁とを備えたハウジングから
なるカートリッジを用意する工程と、 タブを有する駆動装置を、前記少なくとも一つの側壁を
撓ませて前記駆動装置を前記少なくとも一つの側壁に隣
接して配置することによって前記少なくとも一つの側壁
に移動可能に接触させる工程を有する外科手術器具カー
トリッジを製造するための方法。 - 【請求項7】 表面部材と、互いにある距離だけ離れ前
記表面部材に接続された一対の側壁とを備え、前記側壁
と前記表面部材がその間であるキャビティ幅を有する少
なくとも一つのキャビティを形成するハウジングと、 前記キャビティ幅より大きな駆動装置幅を有し、前記キ
ャビティ内に挿入可能である少なくとも一つの駆動装置
とを具備する外科手術器具カートリッジ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/839,853 US5919198A (en) | 1997-04-17 | 1997-04-17 | Disposable cartridge with drivers |
US839853 | 1997-04-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH1189848A true JPH1189848A (ja) | 1999-04-06 |
JP3964540B2 JP3964540B2 (ja) | 2007-08-22 |
Family
ID=25280796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12284098A Expired - Lifetime JP3964540B2 (ja) | 1997-04-17 | 1998-04-16 | 外科手術器具カートリッジとその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5919198A (ja) |
EP (1) | EP0872214B1 (ja) |
JP (1) | JP3964540B2 (ja) |
AU (1) | AU738072B2 (ja) |
CA (1) | CA2235234C (ja) |
DE (1) | DE69828839T2 (ja) |
ES (1) | ES2236866T3 (ja) |
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US5465895A (en) * | 1994-02-03 | 1995-11-14 | Ethicon Endo-Surgery, Inc. | Surgical stapler instrument |
AU701320B2 (en) * | 1994-12-22 | 1999-01-28 | Ethicon Endo-Surgery, Inc. | Impedance feedback monitor with query electrode for electrosurgical instrument |
US20030099303A1 (en) * | 2001-06-04 | 2003-05-29 | Koninklijke Philips Electronics N.V. | Digital television (DTV) transmission system using enhanced coding schemes |
-
1997
- 1997-04-17 US US08/839,853 patent/US5919198A/en not_active Expired - Lifetime
-
1998
- 1998-04-08 AU AU60728/98A patent/AU738072B2/en not_active Ceased
- 1998-04-16 CA CA002235234A patent/CA2235234C/en not_active Expired - Fee Related
- 1998-04-16 JP JP12284098A patent/JP3964540B2/ja not_active Expired - Lifetime
- 1998-04-16 DE DE69828839T patent/DE69828839T2/de not_active Expired - Lifetime
- 1998-04-16 ES ES98302953T patent/ES2236866T3/es not_active Expired - Lifetime
- 1998-04-16 EP EP98302953A patent/EP0872214B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2235234A1 (en) | 1998-10-17 |
DE69828839T2 (de) | 2006-05-04 |
EP0872214A1 (en) | 1998-10-21 |
DE69828839D1 (de) | 2005-03-10 |
AU738072B2 (en) | 2001-09-06 |
AU6072898A (en) | 1998-10-22 |
ES2236866T3 (es) | 2005-07-16 |
JP3964540B2 (ja) | 2007-08-22 |
US5919198A (en) | 1999-07-06 |
EP0872214B1 (en) | 2005-02-02 |
CA2235234C (en) | 2006-08-22 |
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