JPH0359693B2 - - Google Patents

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Publication number
JPH0359693B2
JPH0359693B2 JP56014905A JP1490581A JPH0359693B2 JP H0359693 B2 JPH0359693 B2 JP H0359693B2 JP 56014905 A JP56014905 A JP 56014905A JP 1490581 A JP1490581 A JP 1490581A JP H0359693 B2 JPH0359693 B2 JP H0359693B2
Authority
JP
Japan
Prior art keywords
jaws
surgical stapling
stapling instrument
jaw
knife
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
Application number
JP56014905A
Other languages
English (en)
Other versions
JPS56119239A (en
Inventor
Toomasu Guriin Deiuitsudo
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.)
United States Surgical Corp
Original Assignee
United States Surgical Corp
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 United States Surgical Corp filed Critical United States Surgical Corp
Publication of JPS56119239A publication Critical patent/JPS56119239A/ja
Publication of JPH0359693B2 publication Critical patent/JPH0359693B2/ja
Granted legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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
    • A61B17/28—Surgical forceps
    • A61B17/2812—Surgical forceps with a single pivotal connection
    • A61B17/282—Jaws
    • A61B2017/2825—Inserts of different material in jaws

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Materials For Medical Uses (AREA)

Description

【発明の詳細な説明】 本発明は、ステーブル、クリツプ等のような外
科用留め具を生きている組織に付けるのに使用す
るための器具に関する。一層詳細には本発明は、
体内の器官に複数の横方向に間隔を隔てて配置さ
れた列をなすステープルを形成するのに使用する
ための外科用ステープリング器具に関する。一般
的にかかる器具は一対の協働する細長いジヨー部
材を有し、前記ジヨー部材の一方は使用中、少な
くとも２つの横方向に間隔を隔てて配置された列
をなすステープルを備えるステープルカートリツ
ジを支持し、前記ジヨー部材の他方は、カートリ
ツジ内の列をなすステープルと整列したステープ
ル閉じくぼみを備えたアンビルを支持する。ジヨ
ーに沿つて長さ方向へ移動するプツシヤーバーと
ナイフ組立体が設けられ、別個のステープルと関
連してカートリツジにより支えられたステープル
プツシヤーを介しカートリツジからカム作用によ
つてステープルを連続的に放出し、アンビルに対
しステープルを閉じて、ジヨーの間につかまれた
組織に横方向に間隔を隔てて配置されたステープ
ルの線を形成し、一方プツシヤーバーの跡をおう
ナイフは、ステープルの列の間の線に沿つて組織
を切断する。例えこの型式の器具が日本特許第
637310号に開示され、その説明は参考までにここ
に含まれている。
上記型式の器具に依れば普通ステープルカート
リツジと関連のアンビル、プツシヤーバー、ナイ
フ組立体は、使い捨てのプラスチツクおよび低価
格の金属型打品から作られ、一方フレーム特に基
礎的な器具は繰返しの使用ができるように構成さ
れており、各使用の間にこれらの要素の連続的な
消毒・殺菌を必要とする。近来器具のこのような
繰返しの消毒の必要性をなくすために外科の分野
での趨勢は、ただ一度の手術に使用されてそれか
ら捨てられる十分に完備した使い捨ての器具の導
入に向かつている。それ故明らかにかかる使い捨
て器具の設計において経済性は一つの因子であ
り、重量が最小の容易に手に入る経済的な材料を
利用し、最適な経済性の製造技術を使用するよう
に、かかる器具を設計することが望ましい。
上述の型式のステープリング器具に依れば、留
めるべき組織を締付ける際、及び個々のステープ
ルを放出しつかんだ組織を貫通させたアンビルに
対し閉じる際に比較的大きな力を伴なう。かかる
力はジヨーを垂直方向へ離したり横方向にゆがめ
たりする傾向があり、正確なステープリングの妨
げとなる。もちろんこの問題は、比較的軽量の使
い捨て材料をジヨーフレームの製造に使用する場
合には目立つ。
本発明の目的は、留め具を付けて固定する間中
ジヨーの最適の整列及び安定が得られる、外科用
留め具を付けるための既述の特徴を備えた器具を
提供することにある。
本発明の他の目的は、外科用ステープリング行
為で使用するのに特に適しており、生きている組
織に外科用留め具を付けるのに使用するための新
しい形式の器具を提供することにある。
更に本発明の他の目的は、器具を主として比較
的軽量の使い捨て材料から作ることができるよう
にし、更にステープリングの間中ジヨーの適当な
整列及び安定を提供する設計から成る、外科用ス
テープリングあるいは留め器具を提供することに
ある。
本発明に依れば既述の種類の外科用ステープリ
ング器具の細長いジヨーは、プツシヤーバーとナ
イフ組立体とともにジヨーに沿つて移動する支持
装置によつて、ほぼ最大の偏向力が生じる個所で
ステープリングの間中局部的に支えられる。ステ
ープリングの間中ジヨーの横方向整列及び垂直方
向安定を提供するために、各々のジヨーは長さ方
向の溝あるいは通路を形成され、プツシヤーバー
とナイフ組立体は、お互いに正確に横方向に整列
し、ジヨーを閉じるとき対応する通路内に密接に
嵌合する上方及び下方支持靴部を支え、そのため
靴部は、プツシヤーバーとナイフ刃組立体を作用
させるとき通路に沿つて移動する。
靴部は、プツシヤーバーカムとナイフ刃の領域
においてプツシヤーバーとナイフ刃組立体に配置
され、靴部の効果は、これらの要素がジヨーに沿
つて進むときこれらの要素の領域でジヨーのため
の局部的な支持を提供し、個々のステープルがプ
ツシヤーバーにより作用されるとき個々のステー
プルの領域でジヨーの適当な整列を提供すること
にある。更に靴部は、通路内で横方向のみならず
垂直方向へ制限され、そのためステープルを形成
する間中ジヨーの垂直方向へ開こうとする力に抵
抗するのに役立つ。
都合良く、ジヨーの通路は対応するジヨーの外
側へ向かつて形成され、靴部はナイフキヤリヤの
上方及び下方延長部に支えられ、前記ナイフキヤ
リヤは比較的硬い材料から作られ、靴部が移動す
るときステープリングの個所で靴部それ故ジヨー
に対し充分な横方向支持を提供する。垂直方向へ
延びたナイフキヤリヤがジヨーに沿つて通過でき
るようにするために、対応するジヨーの内向きの
面に支持されたステープルカートリツジ及びアン
ビルは、ナイフキヤリヤが対応する細長い部材の
間に形成された空間を通つて移動することができ
るように、対応するジヨーによつて支えられた横
方向へ隔置され２つの細長い部材からそれぞれ構
成される。
ジヨーに沿つて移動するときプツシヤーバーカ
ムとナイフ刃の領域で横方向及び垂直方向の両方
の安定を提供し且つジヨーを支持するために、前
述の靴部を局部的に利用することによつて、前述
の力の悪影響はほぼ最小にされ、本発明に依り設
計された器具を使い捨ての材料で作るのに役立つ
ように、ジヨーそれ自体を計量構造で作ることが
できる。
図示された器具のだいたいの構造及び操作原理
は、前に参照した日本特許第637310号に説明され
た器具と同様であることに気づくべきである。従
つて以下の説明は器具の修整された特徴を詳細に
論じるのみであり、器具の原理及び操作を一層十
分に理解できるように上記特許を参照するもので
あつて、上記特許の開示はここに参考までに含ま
れている。
参照番号１０によつて全体的に示されている本
願器具は、上方フレーム１２及び下方フレーム１
４を含む。上方フレーム１２の前端部は細長い上
方ジヨー１６を構成し、一方下方フレーム１４の
前端部は細長い下方ジヨー２０を構成する。下方
フレーム１方のジヨー２０の後方部分は溝形ハン
ドル部材２２の中へ嵌合し、前記部材２２はその
後端にピボツトバー２４を有し、前記バー２４は
上方フレーム部材１２の後端のところでノツチ２
８の中に収容される。上方フレーム部材１２はそ
の長さの中間に横方向に突き出た出張り１３を有
し、この出張り１３は分岐した固定ハンドル２６
に形成された補足し合う開口１５と適合する。ハ
ンドル２６は、第２図に示された開状態と第１図
に示された固定状態との間でピボツト手段２４，
２８のまわりにフレームを開いたり閉じたりする
のに使用することができる。このためハンドル２
６はスロツト１７を有し、このスロツト１７は、
ハンドル部材２２の横方向に突き出た出張り２１
と協働するカム面１９を提供する。更に器具は摺
動プツシヤーバーとナイフ組立体３０を含み、前
記組立体３０は、中央ナイフキヤリヤ３２と前記
ナイフキヤリヤ３２の両側に設けられた横方向に
間隔を隔てて配置されたプツシヤーバー３４，３
６を有し、前記プツシヤーバーはその前端がそれ
ぞれ傾斜したプツシヤーバーカム３８，４０のと
ころで終わり、ナイフキヤリヤはプツシヤーバー
カムのちようど後部に位置した傾斜ナイフ４２を
備えている。
使用に際し、横方向に間隔を隔てて配置された
長さ方向へ四列をなすステープルを収容する使い
捨てのステープルカートリツジ４４を下方ジヨー
２０へ差し込み、ステープルカートリツジ内の
個々のステープルの位置決めと補足し合うステー
プル形状のくぼみを外面に備える２つのアンビル
部材７２を、上方ジヨー１６に配置する。器具を
患者の体内へ差し込み、切断し縫合すべき組織を
ジヨーの間へ挿入するように器具を操作する。望
むならばジヨーの一方を収容するための切開を前
もつて組織に施しておく。それからジヨーを閉じ
ハンドル２６によつて固定して、向かい合つたス
テープルカートリツジとアンビル面との間に組織
をしつかりとつかむ。それから、最初ジヨーに対
して後部に位置していたプツシヤーバーとナイフ
組立体を前方へ押し、プツシヤーバーカムをステ
エープルカートリツジの長さ方向スリツトの中へ
侵入させる。前記カートリツジの中でスリツト
は、収容された列をなす独立したステープルプツ
シヤである。続いてプツシヤーバーカムは個々の
ステープルプツシヤのカム面と協働し、カートリ
ツジからつかまれた組織を介してアンビルのくぼ
みと係合するようにステープルを連続的に押しつ
け、そのためカムと関連してステープル閉じ力を
生じさせる。スリツトの各々が互い違いになつた
二列のステープルを支持し、全部で四つのセテー
プルの列がつかまれた組織に形成されるように、
カートリツジは設計される。ナイフ４２はわずか
にプツシヤーバーカムの跡を追い、カートリツジ
の中央長さ方向スリツトにのり、２対のステープ
ル列の間の線に沿つてつかまれた組織を切断す
る。
ジヨーのための横方向支持部を提供するために
及びステープルの間ジヨーを垂直に開かせる傾向
を有する力に耐えるために、各々のジヨーは長さ
方向の通路を備え、好ましくは金属製の比較的硬
い部材であるナイフ刃キヤリヤ３２は横方向に整
列した上下靴部５６および５４をそれぞれ支持す
る。これら上下靴部は前記通路にのり、ステープ
ルカートリツジに沿つて移動するときプツシヤー
バーカムおよびナイフ刃の領域においジヨーに対
し必要な局部的支持を提供する。
かくて特に第６図、第７図及び第１４図から明
らかなように、下方フレーム１４は、カートリツ
ジ収容溝４６及び溝４６の基部から延びる横断面
がほぼＴ形状の外側長さ方向通路４８を形成され
ている。上方フレーム１２は、以下に説明される
通りアンビルを設けるための長さ方向へ延びる内
向き肩部５０を有し、上方フレームの構造は、断
面がほぼ長方形の長さ方向へ延びる通路５２が肩
部の下方に形成されるようなものである。
特に第３図、第４図及び第５図から明らかなよ
うにプツシヤーバーとナイフ組立体３０は、わず
かにずれた傾斜プツシヤーバーカム３８，４０で
終わる慣用的な横方向に間隔を隔てて配置された
プツシヤーバー３４，３６を有している。図示さ
れているように中央ナイフキヤリヤ３２は、プツ
シヤーバーカムのちようど後部に傾斜ナイフ４２
を有し、ナイフキヤリヤはプツシヤーバーの上方
及び下方へ垂直に延びている。ナイフの前方へ突
き出たナイフキヤリヤの下方及び上方終端部に
は、下方及び上方靴部５４，５６がそれぞれ配置
され、靴部の間の垂直な間隔は、フレームを互い
に固定したとき下方及び上方フレームの通路４８
と５２との間の垂直な間隔に対応する。下方靴部
５４は、通路４８の横断面形状に対応する実質的
にＴ形の横断面を有し、通路に沿つて実質的に摩
擦に影響されず通過できるように、最小のすき間
で通路４８の中に嵌合する。上方靴部５６も同様
な形状を有し、実質的に摩擦に影響されず通過で
きるように最小のすき間で通路５２の中に嵌合す
る。使用に際し、プツシヤーバーカムとカートリ
ツジ内の個々のステープルプツシヤとの協働によ
つて生ぜしめられる力が実質的に最大に近づく地
点で、カムの領域にジヨー１６，２０のための支
持を提供できるように、靴部５４，５６はプツシ
ヤーバーカム３８，４０に接近して長さ方向に配
置されることに気付くだろう。更にそれぞれの通
路において靴部を横方向及び垂直方向の両方に配
置することによつて、ジヨーの横方向整列及びス
テープリングの間ジヨーを垂直方向へ開かせるこ
とに対する抵抗が得られる。
組立体３０の後端のところで、操作ノブ３３等
を有する適当な支持ブロツク３１の中に、プツシ
ヤーバーおよびナイフキヤリヤが既知の様式で設
けられる。
第８、９及び１０図に示されているように、ス
テープルの列の数及び個々のステープルプツシヤ
の設計及び配置に関する限り、ステープルカート
リツジ４４は、前述の日本特許第637310号に説明
されているような既知の型式と大体同様な特徴の
ものである。ステープルの放出がプツシヤーバー
カムと個々のステープルプツシヤの相互作用によ
つて行なわれるという様式及びこれらの要素を十
分説明するために、前記特許を参照するのが良
い。本願の場合カートリツジ４４は固定鼻部５８
及びこの鼻部から後方へ延びる一対の長さ方向リ
ブ６０，６２を有し、前記リブ６０，６２はナイ
フキヤリヤ３２を通過させるためにそれらの間に
カートリツジ通つてまつすぐにスリツト６４を構
成する。リブ６０および６２の内側へ向かい合う
面は、ナイフキヤリヤを横方向に配置するために
隆起部６６を有し、リブはそれ自体長さ方向のス
リツトであり、ステープルプツシヤ及び向かい合
つた互い違いの列をなすステープルを収容する。
プツシヤーバーの偶然の前方移動抑えるために、
摩擦片６８が設けられている。かくて本願カート
リツジと日本特許第637310号に記載されているカ
ートリツジとの間の重要な差は、本願の場合垂直
方向へ延びたナイフキヤリヤの通過を可能にする
ために、スリツト６４がカートリツジを通つて鼻
部の後部へまつすぐに延びていることである。使
用の際図示されているようにカートリツジ４４は
上方ジヨーのカートリツジ収容溝４６の中に位置
し、鼻部５８はジヨーの前方へ突出し、カートリ
ツジの確実な長さ方向の配置は、突き出たカート
リツジの出張り７０および溝４６の側壁の一つに
設けられた補足し合う切除部分によつて行なわれ
る。
ここで、日本特許第637310号に記載された器具
と同様な方法で分離ステープルカートリツジ４４
を利用するように器具の説明を行なつたけれど
も、ステープルカートリツジを下方ジヨー２０の
一体部分として形成することが本願発明の範囲内
で予想される。
第１１，１２及び１３図を参照すると本願にお
けるアンビル装置は、第１，３及び１４図から明
らかなように上方ジヨーの肩部５０上に摩擦嵌合
によつて位置する一対の同様な別個の細長いアン
ビル７２から構成され、そのためスリツトがアン
ビルの間に提供され、垂直に延びたナイフキヤリ
ヤの通過を可能にする。個々のそれぞれのアンビ
ルは、ステープル形状のくぼみ７８、外壁８０及
び短かめの内壁８２を備えたアンビル面７６を有
する。内壁及び外壁は肩部５０と摩擦嵌合するよ
うにわずかに内側へ傾けられ、外壁はそれぞれ下
方ジヨーの側壁の補足し合うくぼみと整列するく
ぼみ５１を有し、個々のアンビルを長さ方向へ配
置し、ステープル形状のくぼみをカートリツジ４
４内の個々のステープルと正確に整列させること
ができる。
既述のとおり器具は上方ジヨー１６の肩部５０
と適合する分離したアンビル７２を含むけれど
も、特に低価格の使い捨て器具の製造において、
アンビルそれ自体を省き、上方ジヨーの肩部５０
の下面にステープル形状のくぼみを直接形成する
ことも可能である。
器具の種々の成分の組立ては、特に第１図乃至
第３図を参照して以下の様式で行なわれる。最初
カートリツジ４４を下方フレーム１４のジヨー２
０の上に正確に位置決めし、下方靴部５４を通路
４８に嵌合させ、プツシヤ組立体３０の前端を後
ろから下方フレーム１４へ挿入する。プツシヤー
バーがカートリツジ４４の長さ方向スリツトリブ
へ入り、摩擦片６８によつて止められるまで、組
立体３０をフレーム１４に沿つて前方へ移動させ
る。フレーム１４に対するプツシヤ組立体３０の
この位置は第１図及び第２図に示されている。そ
れからフレーム１４を挿入されたプツシヤー組立
体３０とともにハンドル部材２２の中へ適合させ
る。適当な補足し合う位置決め手段（図示せず）
が前記フレーム及びハンドル部材に設けられ、こ
れらの要素を長さ方向へ整列させ、ステープルを
放出する間部材２２におけるフレーム１４の前方
移動を防ぐ。
アンビル７２をジヨー１６と適合させ、フレー
ム１２の出張り１３をハンドル２６の開口１５へ
適合させる。それから第２図に示されているよう
にハンドル２６を上向きに傾斜させ、ノツチ２８
をピボツトバー２４と係合させて器具の組立てを
完了する。
第２図に示されているとおり組立てられ開いた
状態の器具を体内へ差込み、ステープルすべき組
織をジヨー１６と２０との間に受け、それからハ
ンドル２６の操作及び出張り２１とカム面１９の
協働によつて器具を締付ける。開口５５（第３図
参照）が上方フレーム１２の肩部５０に設けら
れ、器具を閉じるとき靴部５６が溝５２内へ入る
ことができるようにすることに気付くだろう。第
１図に示されたような状態でジヨーと器具との間
に組織をつかむと、ステープリングはノブ３３を
押し前進させることによつて前述の特許に説明さ
れた様式で行なわれる。
ステープリングを完了したらプツシヤー組立体
３０を最初の位置までひつこめ、靴部５６を溝５
２から開口５５を通して取りはずすことができる
ようにし、器具を開くことができる。
ステープリングの間中、靴部が最小のすき間を
もつて通路４８および５２に沿つて移動すると
き、靴部５４および５６が正確に横方向に整列し
比較的硬い部材によつて支えられるので、靴部
は、プツシヤーバーカム及び作動されつつある特
定の個別的なステープルプツシヤーの作動領域で
ジヨーに対し適当な局部的支持を提供する。靴部
と通路の横断面形状によりかかる支持は、ジヨー
を横方向にゆがめたり垂直方向へ開いたりする力
に抵抗し、従つて本願構造は、比較的軽量の使い
捨て材料でジヨーを製造するのに役立つ。しかし
ながら、一層慣用的な材料から作られる器具にも
本願構造を使用することができることを理解すべ
きである。
本発明のただ一つの好ましい態様を詳細に説明
したけれども、本発明はその特定の特徴に限定さ
れず、特許請求の範囲内で修整可能であることを
理解すべきである。かくて外科用ステープリング
器具への適用と関連して本発明を特に説明したけ
れども、本発明はこの適用に限定されない。ジヨ
ーの間につかまれた生きている組織に締付け装置
を適用する間安定を必要とする、向かい合うジヨ
ーを備えた他の締付け器具に、本発明を適用して
も良い。例えば一定の型式の外科用クリツプを使
用するための器具あるいは米国特許第4060089号
に記述された型式の外科用締付け装置を使用する
ための器具に、本発明を適用しても良い。
【図面の簡単な説明】
第１図は、組立てられ閉じた状態の外科用ステ
ープル器具の側面図、第２図は開いた状態の前記
器具の側面図、第３図は前記器具の分解図、第４
図はプツシヤーバーとナイフ組立体の側面図、第
５図はプツシヤーバーとナイフ組立体の下側平面
図、第６図は第１図の６−６線に沿う断面図、第
７図は前記器具の部品を取り外した状態の第１図
の７−７線に沿う断面図、第８図は使い捨てのス
テープルカートリツジの下面図、第９図はカート
リツジの側面図、第１０図は第９図の１０−１０
線に沿う断面図、第１１図は細長いアンビル部材
の上面図、第１２図はアンビル部材の側面図、第
１３図は第１２図の１３−１３線に沿う断面図、
第１４図は第１図の１４−１４線に沿う断面図で
ある。 １２……上方フレーム、１４……下方フレー
ム、１６……上方ジヨー、２０……下方ジヨー、
２６……ハンドル、３０……プツシヤーバーとナ
イフ組立体、３２……ナイフキヤリヤ。

Claims (1)

  1. 【特許請求の範囲】 １ 各々が細長いジヨー１６，２０を備えた第１
    および第２協働フレーム１２，１４と、細長いブ
    ツシヤーバーおよびナイフ組立体３０とを有する
    外科手術用ステープリング器具であつて、前記ジ
    ヨー１６，２０の一方２０は少なくとも２つの横
    方向に間隔を隔てて配置された長さ方向に列をな
    すステープルを収容するようになつており、前記
    プツシヤーバーおよびナイフ組立体３０は、ジヨ
    ー１６，２０の前記一方２０からステープルを連
    続的に放出し、前記ジヨー１６，２０の他方１６
    に設けられたアンビル手段７２に対しステープル
    を合わせ、前記ジヨー１６，２０の間につかまれ
    た組織に一対の横方向に間隔を隔てて配置された
    ステープルの列を形成し、更に前記ステープルの
    列の間の線に沿つて組織を切断することができる
    ように、前記ジヨー１６，２０に対して長さ方向
    に摺動することができ、更に前記プツシヤーバー
    およびナイフ組立体３０が、各々のプツシヤーバ
    ーカム３８，４０を備えた前端部を有する一対の
    横方向に間隔を隔てて配置されたプツシヤーバー
    ３４，３６と、前記プツシヤーバー３４，３６の
    間に配置されたナイフ刃４２を有するナイフキヤ
    リヤ３２とを備えた、外科手術用ステープリング
    器具において、前記プツシーヤーバーおよびナイ
    フ組立体３０によつて支持され、個々のステープ
    ルの放出および形成の間前記ジヨー１６，２０を
    そらす傾向がある力に抵抗するために、前記プル
    シヤーバーカム３８，４０が前記ジヨー１６，２
    ０に沿つて移動するとき前記プツシヤーバーカム
    ３８，４０の領域において前記ジヨー１６，２０
    の両方を局部的に支持するように前記ジヨー１
    ６，２０と協働するジヨー支持手段５６，５４を
    含み、前記ジヨー１６，２０の各々には長さ方向
    通路５２，４８が構成されており、前記支持手段
    は前記プツシヤーバーカム３８，４０の領域にお
    いて前記プツシヤーバーおよびナイフ組立体３０
    によつて支持された上方および下方靴部５６，５
    ４を含み、前記靴部５６，５４は前記通路５２，
    ４８内に嵌合し又、前記ジヨー１６，２０に対し
    前記局部的支持を提供するように、前記組立体３
    ０の長さ方向移動の間前記通路５２，４８に沿つ
    て移動することを特徴とする、ことを特徴とする
    外科手術用ステープリング器具。 ２ 前記支持手段５６，５４が、前記ジヨーを横
    方向にゆがめる傾向がある力に抵抗するための手
    段を含むことを特徴とする、請求項１記載の外科
    手術用ステープリング器具。 ３ 前記支持手段５６，５４が、前記ジヨーを垂
    直方向に分離させる傾向を有する力に抵抗するた
    めの手段を含むことを特徴とする、請求項１記載
    の外科手術用ステープリング器具。 ４ 前記支持手段５６，５４が、前記ジヨーを横
    方向にゆがめる傾向がある力および前記ジヨーを
    垂直方向に分離させる傾向がある力に抵抗するた
    めの手段を含むことを特徴とする、請求項１記載
    の外科手術用ステープリング器具。 ５ 前記通路５２，４８および靴部５６，５４
    は、ジヨー１６，２０の局部的な横方向不整列お
    よびジヨーの垂直方向への分離に抵抗するよう
    に、補足し合う横断面形状を有することを特徴と
    する、請求項１記載の外科手術用ステープリング
    器具。 ６ 前記靴部５６，５４の少なくとも１つおよび
    対応するジヨーの通路５２，４８はその横断面が
    補足し合うＴ形状であることを特徴とする、請求
    項１記載の外科手術用ステープリング器具。 ７ 前記ナイフキヤリヤ３２がナイフの前方へ突
    出した上部及び下部を含み、前記靴部５６，５４
    はそれぞれ前記プツシヤーバーカム３８，４０の
    レベルの上方および下方で突出部分に配置される
    ことを特徴とする、請求項１記載の外科手術用ス
    テープリング器具。 ８ 前記ジヨー１６，２０が軽量の使い捨てプラ
    スチツク材料から作られ、ナイフキヤリヤ３２は
    比較的硬い材料から作られ、前記靴部５６，５４
    が、ジヨーをそらす力に抵抗するようにジヨーに
    対し支持を提供することを特徴とする、請求項１
    記載の外科手術用ステープリング器具。 ９ ステープルの列を提供するようにジヨーの前
    記一方に設けるためのステープルカートリツジ４
    ４を含み、前記カートリツジは一対の長さ方向に
    延びるステープル支持要素６０，６２を有し、前
    記要素６０，６２はその間に、カートリツジ４４
    を前記ジヨー１６，２０の一方２０に設けるとき
    ナイフキヤリヤ３２の通過のためのスリツト６４
    を構成することを特徴とする、請求項１記載の外
    科手術用ステープリング器具。 １０ 前記カートリツジは共通の鼻部５８を有
    し、前記ステープル支持要素６０，６２はそれぞ
    れ前記鼻部５８から後方へ延びることを特徴とす
    る、請求項９記載の外科手術用ステープリング器
    具。 １１ 一対の細長いアンビル部材７２と、ナイフ
    キヤリヤ３２の通過のためにアンビル部材７２の
    間にスリツトを構成するように前記ジヨー１６，
    ２０の他方１６にアンビル部材を設けるためのア
    ンビル取付け手段５０とから構成されるアンビル
    手段を含むことを特徴とする、請求項１記載の外
    科手術用ステープリング器具。 １２ 前記アンビル部材７２の各々は横断面が実
    質的に溝形状であり、ジヨーの前記他方１６は、
    前記アンビル取付け手段を構成する内側へ向かい
    合つた長さ方向肩部５０を含み、前記アンビル部
    材７２は摩擦嵌合によつて肩部５０上に位置する
    ことを特徴とする、請求項１１記載の外科手術用
    ステープリング器具。 １３ 前記フレーム１２，１４の後端のところで
    フレーム１２，１４を回動自在に互いに連結する
    ための手段２４，２８と、前記フレーム１２，１
    ４の一方１２に回動自在に連結され、開いた状態
    と閉じた状態との間でジヨー１６，２０を移動さ
    せるために前記フレーム１２，１４の他方１４と
    関連した固定用形成物と協働する固定ハンドル手
    段２６を含むことを特徴とする、請求項１記載の
    外科手術用ステープリング器具。 １４ 前記ジヨー支持手段５６，５４は少なくと
    も部分的に前記ジヨー１６，２０の間に配置され
    ることを特徴とする、請求項１記載の外科手術用
    ステープリング器具。 １５ 開いた位置と閉じた位置との間で移動する
    ことができる協働する細長い上方及び下方ジヨー
    １６，２０と、組織留め手段を設けるために前記
    ジヨーの一つ一つと関連したステープルカートリ
    ツジ４４と、プツシヤー手段３０とを有し、前記
    ジヨー１６，２０が閉じた位置にあるとき留める
    べき組織をジヨー１６，２０の間につかむことが
    でき、前記プツシヤー手段３０は、ジヨーの前記
    一方２０から組織留め手段を強制的に放出し、ジ
    ヨー１６，２０の間につかまれた組織に組織留め
    手段を貫通させるため、前記ジヨー１６，２０が
    閉じた位置にあるとき前記ジヨー１６，２０に沿
    つて長さ方向に移動することができ、更に前記プ
    ツシヤー手段３０によつて支持され、組織留め手
    段の放出の間前記ジヨー１６，２０を分離させる
    傾向がある力に抵抗するために、プツシヤー手段
    ３０のジヨー１６，２０に沿う移動の間前記ジヨ
    ー１６，２０と協働するジヨー支持手段５６，５
    ４を有する、ことを特徴とする、生きている組織
    を留めるのに使用するための外科手術用器具。 １６ 前記ジヨー支持手段５６，５４は、組織留
    め手段の放出の間ジヨーを横方向に分離させる傾
    向がある力に抵抗するための手段を含むことを特
    徴とする、請求項１５記載の外科手術用器具。 １７ 前記ジヨー支持手段５６，５４は、組織留
    め手段の放出の間ジヨーを垂直方向に分離させる
    傾向がある力に抵抗するための手段を含むことを
    特徴とする、請求項１５又は１６記載の外科手術
    用器具。 １８ 前記ジヨー支持手段は、プツシヤー手段に
    より支えられた上方及び下方支持靴部５６，５４
    を含み、前記ジヨー１６，２０の各々はそれぞれ
    の靴部５６，５４を収容するための長さ方向通路
    ５２，４８を含み、前記靴部５６，５４は、ジヨ
    ー１６，２０に沿うプツシヤー手段３０の移動の
    間通路内で移動し、前記それぞれの靴部５６，５
    ４の領域で前記ジヨー１６，２０を局部的に支持
    することを特徴とする、請求項１５記載の外科手
    術用器具。
JP1490581A 1980-02-05 1981-02-03 Device for surgical operation Granted JPS56119239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11866480A 1980-02-05 1980-02-05

Publications (2)

Publication Number Publication Date
JPS56119239A JPS56119239A (en) 1981-09-18
JPH0359693B2 true JPH0359693B2 (ja) 1991-09-11

Family

ID=22379998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1490581A Granted JPS56119239A (en) 1980-02-05 1981-02-03 Device for surgical operation

Country Status (9)

Country Link
US (1) US4520817A (ja)
EP (1) EP0033548B1 (ja)
JP (1) JPS56119239A (ja)
AT (1) ATE19729T1 (ja)
AU (1) AU534210B2 (ja)
CA (1) CA1163890A (ja)
DE (1) DE3103976C2 (ja)
GB (2) GB2078594B (ja)
HK (2) HK99585A (ja)

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HK99585A (en) 1985-12-20
ATE19729T1 (de) 1986-05-15
GB2068817B (en) 1983-11-23
GB2068817A (en) 1981-08-19
CA1163890A (en) 1984-03-20
EP0033548A3 (en) 1982-03-31
JPS56119239A (en) 1981-09-18
DE3103976A1 (de) 1982-01-07
GB2078594B (en) 1984-02-01
EP0033548A2 (en) 1981-08-12
AU534210B2 (en) 1984-01-12
US4520817A (en) 1985-06-04
HK99885A (en) 1985-12-20
GB2078594A (en) 1982-01-13
AU6192780A (en) 1981-08-13
EP0033548B1 (en) 1986-05-14
DE3103976C2 (de) 1982-10-14

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