JPS6333137A - アンビル - Google Patents

アンビル

Info

Publication number
JPS6333137A
JPS6333137A JP62107882A JP10788287A JPS6333137A JP S6333137 A JPS6333137 A JP S6333137A JP 62107882 A JP62107882 A JP 62107882A JP 10788287 A JP10788287 A JP 10788287A JP S6333137 A JPS6333137 A JP S6333137A
Authority
JP
Japan
Prior art keywords
stapler
anvil
socket
leg
leg portions
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
JP62107882A
Other languages
English (en)
Inventor
ドナルド エル.ハヌラ
クロード エー.ビダル
ラッセル ジェイ.レッドモンド
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of JPS6333137A publication Critical patent/JPS6333137A/ja
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/02Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor with provision for bending the ends of the staples on to the work
    • B25C5/0207Particular clinching mechanisms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical 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
    • A61B2017/07214Stapler heads
    • A61B2017/07257Stapler heads characterised by its anvil
    • A61B2017/07264Stapler heads characterised by its anvil characterised by its staple forming cavities, e.g. geometry or material

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Surgical Instruments (AREA)
  • Wire Processing (AREA)

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】 [技術分野1 本発明は、ホッチキス針の全体的に真直の背部分の両端
から全体的に直角で突出する全体的に真直で平行の脚部
分がそれに対して押圧され、該脚部分を円弧形に折曲げ
、全体的に8字形にホッチキス針を開鎖成形しうるアン
ビルに関する。
[背景技術1 ホッチキス針の全体的に真直の背部分の両端から全体的
に直角で突出する全体的にiX直で平行の脚部分がそれ
に対して押圧され該脚部分を円弧状の折曲げ、かつ全体
的に8字形にホッチキス針を閉鎖成形しうる、色々な形
状のアンビルが知られている。典型的には、前述のよう
な7ンビルは、当該材料〈例えば生きている組織や紙)
の他方の側からホッチキス針の脚部分が打込まれる、そ
の材料の一方の側と係合するようにされた全体的に平坦
な緊締面と、該緊締面からくぼみ、端と端が整合した一
対の細長いソケットを形成し、ホッチキス針の脚部分を
受入れ、案内し、かつ成形しホッチキス針を閉じるホッ
チキス針の脚成形面とを有する。このタイプの一般的に
使用されているアンビルが米国特許第4.281.78
5@と、本明細書の第5図の双方に示されており(第5
図に関して以下の参照番号を引用する)、該7ンビルは
全体的に平坦な緊締面62と、該緊締面62がらくぼみ
、端と端が整合した一対の細長いソケット64を形成す
る壁を有する。各ソケット64に対する脚成形面はソケ
ット64の横方向軸心の周りで凹形である連続した底面
と、他方のソケット64の反対側の端部に隣接した最初
の接触部分65と、他方の前記ソケット64に隣接した
最終案内部分66と、緊締面62と底面との問を延びる
、長手方向に延びた側面67とを含む。前記底面の最初
に接触する部分65の、最終案内部分66とは反対側の
端部における側面67の間の幅は、アンビルが閉じよう
としているホッチキス針の脚部分70.72の直径より
著しく大きく、かつ前記側面67の間で幅が底面の最終
案内部分66に向かって滑かに輻合し、そのためソケッ
ト64の長手方向中心線からずれた位置においてさえ、
最初の接触部分65と接触するホッチキス針の脚部分7
0.72が最終の案内部分66に案内される。
このことは、はとんどのホッチキス針において重要な特
徴であり、その理由は、ホッチキス針をそれに対して開
鎖するアンビルに対向して打込まれるべきホッチキス針
の脚部を位置させるために使用する多数のホッチキス部
品が、ホッチキスを異常に緊密で、かつ高価な公差に仕
上げなければホッチキス針とアンビルとの間である程度
の不整合を極めて発生させやすくするからである。しか
しながら、第5図に示すタイプの7ンビルにおいては、
底面の、最終案内部分66の側面の間の幅は、他方のソ
ケット64に隣接した底面の端部に向かって広がること
によって、例えば、第5図の脚部分70および72につ
いて図示した位置のような、ソケット64の長手方向中
心線からずれた位置において最初の接触部分65と接触
するホッチキス針の脚部分が、点線74と76とで示す
、抵抗の最も少ない軌遵を追従し、その結果、成形され
た脚部分70と72とが相互に対して整合せず、あるい
はホッチキス針の全体的に真直の中央部分68と整合せ
ず、かつ成形された脚部分7oと72の先端が、閉鎖し
たホッチキス針が完全な保持力を発生するに必要である
、閉鎖したホッチキス針の真直な中央部分68に近接し
て位置しないような、aT5A図と第5B図とに示す如
くにホッチキス針を不適正に閉じることになりうる。
生きている組織をホッチキス針で閏じるために使用する
アンビルに関する前述の問題を解決する1つの試みは米
国特許第3.494.533号に記載されており、該特
許においては本明細書の第5図に示すアンビルに似たア
ンビル6を記載しており、このアンビルは全体的に平坦
な緊締面と、該緊締面からくぼみ、端と喘とが整合した
一対の細長いソケットを形成しているホッチキス針の脚
成形面101(第28図と第29図とを参照)とを有し
ている。各ソケットのホッチキス針成形面はソケットの
横方向軸心の周りで凹形であって、他方のソケットと反
対側の端部に隣接した最初の接触部分101aと他方の
ソケットに隣接した最後の案内部分101bとを含む連
続した底面と、緊締面と前記底面101との間を延びる
長手方向に延びた側面とを含む。しかしながら、第5図
に示すアンビルと相違して、米国特許第4.281゜7
85号に記載のアンビルにおいては、底面101の最初
に接触する部分101aと最終案内部分101bとの、
ソケットの横方向の側面の間の幅は均一であって、アン
ビルが閉じようとするホッチキス針の脚部分の直径より
極僅かに大きいため、ホッチキス針の脚部分が底面10
1に対して押圧されるとすればホッチキス針の脚部分が
相互に対して整合して折曲げられるようにし、ソケット
の長手方向中心線から隔置された位置において而103
の先導部分とまず接触するであろうホッチキス針の脚部
分を底面101の最初に接触する部分101aまで案内
させる、前記の最初に接触する部分101aを連ぐ内方
にテーバをつけた先導部分が面103に設けられている
。しかしながら、前記のアンビルの形状は目立って商業
的に使用されるに到っていない。その理由は、多分ホッ
チキス針が底面101の最初に接触する部分101aま
で而103の先導部分に沿って安定して運vJぜず、そ
のためホッチキス針が前記の面103の先導部分に捕捉
され、そのため針が変形し適正に閉鎖されないようにす
るからである。
[発明の開示1 本発明は、ホッチキス針の背部分の両端から直角に突出
するホッチキス針の全体的に真直の平行の脚部分がそれ
に対して押圧されて該針の脚部分を円弧状に折曲げ、か
つ全体的に8字形の開鎖したボッチキス別を成形させる
ことができるアンビルであって、中心線から著しくずれ
た位置においても最初の接触部分を含み、アンビルと接
触するホッチキス針の脚を安定して適正に案内し、かつ
成形するアンビルを捉供する。
本発明によれば、米国特許第4.281.785号に記
載し、かつ添付図面の第5図を参照して前述した従来技
術によるアンビルと同様に、全体的に平坦な緊締面と、
該緊締面からくぼみ、端と端が整合した一対の綱長いソ
ケットを形成するホッチキス針の脚成形面とを形成する
壁を有し、前記脚成形面は各ソケットに対して1)ソケ
ットの横方向軸線の周りで凹形であって、他方のソケッ
トの反対側の端部に隣接した最初の接触部分と、他方の
ソケットに隣接した最終案内部分とを含む連続した底面
と、および2)前記緊締面と底面との間を延びる長手方
向に延びた側面とを含んでいる。
また第5図に示すアンビルと異り、前記の最初の接触部
分の、最終案内部分とは反対側の側面の間の幅は、アン
ビルが閉じようとするホッチキス針の脚部分の直径より
著しく大きく、そして、側面の間の幅は最終案内部分の
隣接部分に向かって滑かに輪台しており、そのためソケ
ットの長手方向中心線からずれた位置で最初の接触部分
と接触するホッチキス針の脚は最終案内部分へ案内され
る。
しかしながら、米国特許第4.281.785号と、水
明II古の第5図とに示すアンビルと相違して、本発明
によるアンビルの底面の側面の間の全体的に均一な幅は
、アンビルが最終案内部分全体にわたり閉じようとする
ホッチキス針のm部分の直径より極僅かに大ぎいたけで
、そのためホッチキス針の脚部分は、底面の最初の接触
部分に対して押圧されるホッチキス針の脚部分が最初に
いずれの方向に方向づけられても相互に対して整合して
折曲げられる。
本発明を、数葉の図を通して同じ部材を同じ参照番号で
示す添付図面を参照して詳細に説明する。
[詳細説明1 図面を参照すれば、本発明による改良アンビルが全体的
に10で示されており、該アンビルは、例えば打抜きあ
るいは鋳造により、金属あるいはその他の適当な硬質材
料でつくることができる。
前記アンビル10は、ホッチキス針50の全体的に真直
の背部分600両側から全体的に直角に突出している針
50の全体的に真直の平行の脚部分56と58とが、第
4図に示す打込み機構52の打込み手段54により、そ
れに対して押圧され前記脚部分56と58とを円弧状に
折曲げ、かつ第3A図と第3B図とに示するように全体
的に8字形に閉鎖成形しつるタイプのものである。前記
アンビル10は、ホッチキス針打込み機構の協働する平
坦な緊締面55に対向し、かつ平行に位置するようにさ
れた全体的に平坦な緊締面を形成し、該緊締面12と5
5との間で(例えば生きている組織とか、あるいは紙の
ような)ホッチキスで縫閉される材料がホッチキス縫閑
の間保持される壁と、前記緊締面12からくぼみ、端と
端が整合し相互に対称の一対の細長いソケットを形成す
るホッチキス針成形面6とを有する。各ソケット14の
脚成形面は第2図から判るようにソケット14の横方向
軸心の周りで凹形とされ、他方のソケット14の反対側
の端部に隣接し、その長さを第1図に示す底壁16の1
個に沿って括弧と参照文字rbJとにより示している最
初に接触する部分20と、他方のソケット14に隣接し
、その長さが第1図で示す底面16の1個に沿った括弧
と参照文字「a」とにより示された最終案内部分24と
を含む。また前記のホッチキス針の脚成形面は緊締面1
2と底面16との間を延び、該底面16に向かって前記
緊締面16から僅かに輪金している、長手方向に延びて
いる側面28を含む。前記の最初に接触する部分20の
、前記の最終案内部分24とは反対側の端部での側面2
8の間の幅は、アンビル10により閏じるホッチキス針
50の脚部分56および58の直径より大きく、かつ前
記の最初に接触する部分20の幅は前記側面の間で、か
つ該側面に対して最終案内部分24に向がって滑かに輪
金しており、前記の最初に接触する部分20に連がる前
記側面28の部分は凸形とされており、そのため例えば
第3図に示す位置のように、ソケット14の長手方向中
心線からずれた位置で前記の最初に接触する部分20と
接触するホッチキス針の脚部分56.58は前記の接触
部分2゜と側面に隣接する凸形部分とによって最終案内
部分24へ滑かに案内できる、底面16の幅は最終案内
部分24の全てに沿って側面28の間では均一であって
、この均一な幅は、アンビル10が開鎖しようとするホ
ッチキス針50の脚部分56と58の直径より極僅かに
大きいだけでそのためボッチキス針50の脚部分56と
58とは整合して最終案内部分24に沿って案内され、
そのため、ホッチキス針50がアンビル10に対して押
圧されるにつれて、第3図に示す接触位置を含めたホッ
チキス針の脚部分も58および58の、底面16の初期
接触部分20に対するいずれの初期接触位置に対しても
相互に整合するよう折曲げられて、その結果前記の脚部
分56と58とは第3図に示す軌道57.59に沿って
整合するよう折曲げられる。
2個のソケット14を形成する底面16の最終案内部分
24は隆起部分18で達がり、該隆起部分は緊締面12
と共平面でよいが、第2図に示すように緊締面12から
くぼんでいることが好ましい。
2個のソケット14を形成する底面16は第6図、第7
図および第8図に示すように全長にわたり平坦とできる
が、最初の接触部分20は平坦で(第6図)、最終案内
部分24は全体的に円筒形の凹形(第7図と第8図)と
すればよい。    4゜第9図は、それぞれ共通の緊
締面87からくぼみ、アンビル10のホッチキス針成形
面と同じ形状の成形面84を含む、本発明による複数の
アンビルを組込んだ構造体8oを示す。前記構造体80
は平行の2列のホッチキス針を閉じるようにされ、例え
ば倒立直線吻合外科用ホッチキス装置のような外科用ホ
ッチキスに用いられるタイプのものである。本発明によ
るアンビルは、例えば楕円形あるいは円形のようなその
他の多種パターンでホッチキス針を付与する外科用ホッ
チキスに用いることが可能なことは明らかである。
本発明を21I類の実施例について説明してきた。
当該技術分野の専問家には、本発明の範囲から逸脱する
ことなく前述した実施例において種々変更が可能なこと
が明らかである。このように、本発明の範囲は本川I1
1で記載の構造に限定されるのではなく、特許請求の範
囲の言語により記載される構造ならびにこれらの構造体
の均等物とにより限定される。
【図面の簡単な説明】
第1図は本発明による改良アンビルの上平面図、第2図
は第1図の112−2に概ね沿って視た断面図、 第3図は、アンビルに対してホッチキス針が閉じられる
態様を概略図示する、第1図のアンビルの縮尺した上平
面図、 第3A図と第3B図とは、第3図に示す要領で、第1図
、第2図および第3図に示すアンビルに対して閏じられ
たホッチキス針の底面図と側面図、第4図は第1図に示
すアンビルを含むホッチキス組立体と、アンビルに対し
て押圧されたホッチキス針との部分断面図、 第5図は、アンビルに対してホッチキス針が閏じられる
態様を概略図示する、前述の従来技術のアンビルの上平
面図、 第5A図と第5B図とは15図に示すfffilで第5
図に示すアンビルに対して閏じられたホッチキス針の底
面図と側面図、 第6図、第7図および第8図とは背景の詳細は示してい
ないが、それぞれ第1図の線6−6.7−7および8−
8に概ね沿って視た拡大部分断面図、および 第9図は本発明による、複数の改良アンビルを組入れた
構造を示す図である。 図において、

Claims (1)

    【特許請求の範囲】
  1. ホッチキス針の背部分の両端から全体的に直角に突出し
    、所定の直径の全体的に真直の平行の脚部分がそれに対
    して押圧されて前記脚部分を円弧状に折曲げ、全体的に
    B字形の閉じたホッチキスを成形しうるアンビルであつ
    て、全体的に平坦な緊締面と該緊締面からくぼみ、端と
    端が整合した一対の細長いソケットを形成しているホッ
    チキス針成形面とを形成する壁を有し、それぞれのソケ
    ットに対する前記ホッチキス針成形面は連続した底面で
    あつて、前記ソケットの横方向軸心の周りで凹形とされ
    、他方のソケットとは反対側の端部に隣接して最初に接
    触する部分と、前記の他方のソケットに隣接した最終案
    内部分とを含む連続した底面と前記緊締面と前記底面と
    の間で延びる長手方向に延びた側面とを含み、前記の最
    初に接触する部分の前記の最終案内部分とは反対側の端
    部における前記側面の間の幅は前記脚部分の直径より著
    しく大きく、かつ前記側面の間の幅が前記の最終案内部
    分の隣接部分に向かつて滑かに輻合することによつて前
    記ソケットの長手方向中心線からずれた位置において前
    記の最初に接触する部分と接触するホッチキス針の脚部
    分でも前記の接触部分と前記側面とによつて前記の最終
    案内部分へ導かれるようにしたアンビルにおいて、前記
    底面(16)は前記の最終案内部分(24)全体に沿つ
    て前記側面(28)の間で前記ホッチキス針(50)の
    脚部分(56、58)の直径より極僅かに大きい全体的
    に均一な幅を有することによつて、ホッチキス針(50
    )の脚部分(56、58)は、該ホッチキス針(50)
    がアンビル(10)に対して押圧されるにつれて、前記
    底面(16)の最初の接触部分に対する、ホッチキス針
    の脚部分(56、58)のいずれの初期接触位置に対し
    ても相互に対して整合して折曲げられることを特徴とす
    るアンビル。
JP62107882A 1986-04-30 1987-04-30 アンビル Pending JPS6333137A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85788586A 1986-04-30 1986-04-30
US857885 1986-04-30

Publications (1)

Publication Number Publication Date
JPS6333137A true JPS6333137A (ja) 1988-02-12

Family

ID=25326949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62107882A Pending JPS6333137A (ja) 1986-04-30 1987-04-30 アンビル

Country Status (4)

Country Link
EP (1) EP0251444A1 (ja)
JP (1) JPS6333137A (ja)
AU (1) AU589001B2 (ja)
CA (1) CA1284551C (ja)

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CA1284551C (en) 1991-06-04
AU7219687A (en) 1987-11-05
EP0251444A1 (en) 1988-01-07
AU589001B2 (en) 1989-09-28

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