JPS59168848A - 非金属製の生物に適合性の無菌の外科装置 - Google Patents

非金属製の生物に適合性の無菌の外科装置

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Publication number
JPS59168848A
JPS59168848A JP59041480A JP4148084A JPS59168848A JP S59168848 A JPS59168848 A JP S59168848A JP 59041480 A JP59041480 A JP 59041480A JP 4148084 A JP4148084 A JP 4148084A JP S59168848 A JPS59168848 A JP S59168848A
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English (en)
Inventor
ロバ−ト・ウイリアム・メリクル
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Ethicon Inc
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Ethicon Inc
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122Clamps or clips, e.g. for the umbilical cord

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Orthopedics, Nursing, And Contraception (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】 本発明は、ポリマー材料から作られた改善された外科装
置に関し、更に詳細には、ステーブル、クリップ等の如
き組織固定装置(tissue fastening)
に関する。医療および外科処置において使用される今H
の固定装置の多くは、ステンレス鋼またはタンタルの如
き金属から作られている。例えば、皮膚用ステープルは
、今日ではしばしばステンレス鋼、タンタル等から作ら
れた如きステープルと共に使用されている。同様に、止
血用または結紮用クリ・ンプもまた同様な金属から作ら
れている。これ等の金属製の装置は皮膚用ステープルの
場合にはかなりの好評を得てきたが、これらのステープ
ルは取外さなければならないが、多くの場合これは痛み
を伴い、しかも更に手術あるいはステープルの処置を必
要とする。金属製の固定具が内科的に使用される時これ
らの固定具は患者の体内に歿されるが、これはX線、C
AT走査等の如きその後の診断撮影操作において障害と
なるおそれがある。このような金属が与える障害のため
、これらじ1定装置はあらゆる場合に望ましいものでは
ない。同じことか金属の結紮用または止血用クリンプに
も言える。代用品として、且つこのよう金属製の外科装
置と置換するため多くの生物に適合性の(bio−co
mpatible)非金属製の外科装置が最近開発され
てきた。このような非金属製の外利装石の実施例は、本
願と同じ譲受人に譲渡された係属中の米国特許出願第2
9fll、872号、 l1Jl第282,461号、
同第2?11i、131号および同第329,443号
に記載されている。
皮;勿用ステーブル、内臓用固定共、結紮用クリップ等
の如何を問わず、外科装置は操作が容易でなければなら
ない。埋ち、このような外J’)装置は、これ等に使用
される器具の如何を問わす確実に容易に保持されるもの
でなければならない。これらは、器具が看護婦から外科
医に手渡され、挿入され、動かされ、その他の方法で操
作される除外4・1装置を器用から脱落しないように保
持されなければならない。特に内臓手術用装置の場合に
は、大きさが重要である。人体の腔部内に置かれる材t
−++が少なければ少ない程、逆反応の機会は少なくな
る。装置はかさばらずできるだけ小さいばかりでなく、
できるだけ平滑であり流線形状であることが望ましい。
装置が平滑であり流線状であればある程、設置の際装置
が外れる機会は少なくなる。装置が平滑であり流線状で
あればある程、L術箇所を清掃しあるいはこの手術箇所
を血液のない乾いた状態に維持しようとする時、外科医
もしくは看護婦が装置をスポンジの隅またはガーゼ14
−でつまむ機会が少なくなる。
ヅ 固定具、クリンプまたは皮膚用ステープルの如何を問わ
ず前記装置は、このような特性と共に、p、1定を行な
い、かつ組織を一緒に保持するかあるいは確実な方法で
血管等を閉止する機能を実施しなければならない。
本発明者が発見したものは、操作が容易なである新規な
りリップである。更に、この新しいクリップは非常に確
実に操作することができる。この新しいクリップはかさ
ばらず、その全外表面が・1・、滑で、流線状の湾曲面
を有する、即ち隣接するMI織と接触状態になるか、あ
るいは傷口およびその周囲に用いられるスポンジまたは
ガーゼが接触できる表面を有している。更に、この新し
いクリップは、その平滑な輪郭の湾曲面を損なう、即ち
これと干渉することがない確実なロッキング機構を有し
ている。
本発明の新しい外科装置は非金属製であり、生物に適合
する。この装置は、開放位置と閉鎖位置を有している。
本装置は、相互に向合って配置された内面を有する1対
の脚部材を看している。この脚部材はその近位端部にお
いて蝶番手段により接合されている。本発明のある実施
態様においては、この蝶番手段は弾性を有している。脚
部材の遠位端部は、組織と係合するための手段を含んで
いる。本発明のある実施態様においては、この組織係合
手段は、血管の周囲をクランプして血管を閉止するのに
使用される脚部の表面である。本発明の他の実施態様に
おいては、脚部材の遠位端部は、組織を一緒に保持する
ため実際に組織に刺通して挿入される尖った刺通部分を
有している。この新しい装置は、蝶番手段に近接してお
り、脚部材の遠位端部に向って配置された相互にロック
する係1ト手段を含んでいる。この係止手段は、第1の
脚部材の内面から内側に配置されている係合部材を含ん
でいる。この係合面は、第2の脚部材の内面の方向に配
置Sれている。係止手段は、第2の脚部材の内面に配置
された口・ンキング手段を有している。脚部材が相互の
方に押圧されてクリップを開放位置から閉鎖位置へ移動
する蒔、係合手段はロッキング手段と係合して装置を閉
鎖位置に固定する。ある実施態様においては、係合手段
およびロンキング手段は対向位置に配置されたフック部
材であり:即ち一方のフックはドをくり抜き、そして反
対側に配置されたフックと係合する。本発明の他の実施
態様においては、係合手段は反対側の脚部材の雌部分と
のロッキング手段としての雄部分を有し、クリップが閉
鎖される時両方の部分が係合する。
本発明の手段の他の実施態様においては、保合手段は一
方の脚部材に段をなす即ちへこみ部分と反対側の脚部材
における相補的な段をなす即ち突出部分とを有し、これ
らはクリップが閉鎖位置にある時相互に係合する。
図面において、t5x図および第2図には本発明の組織
固定(fastning)装置20が示されている。本
装置は、1対の脚部材2i、 22を有する。本実施態
様の脚部材は蝶番部23で結合され、この蝶番部の周囲
にir動即ち閉鎖可能である。この脚部材の遠位端部は
、組織刺通し部24.25で終っている。これらは組織
を刺通するようになっている鋭く尖らせた先端部である
。係止手段が蝶番部に隣接して前記遠位端部に向けて配
置されている。この係IL手段は、対向位置に向い合っ
ているフック部材26.27である。第1のフック部材
26即ち係合手段は一方の脚部材に配置されて反対側の
脚部材に向合い、フック部分は蝶着部に向合って配置さ
れている。他方の脚部材のフック部材27即ちロッキン
グ手段は、他方の脚部材に配置されおり第1の脚部材と
向合い、フック部分が脚部材の遠位端部に向けて配置さ
れている。脚部が蝶番手段の周囲に回転される時、2つ
のフックは相互に係合して脚部材を一緒にロックして装
置を閉鎖位置に固定する。従って、手術のとき、一方の
脚部材の遠位端部を1つの組織片に挿入し、他方の遠位
の部材を隣接する。111.J@に把持させ1次いで蝶
番部の岡りに相η“に2つの脚部材を回転させて組織を
一緒にさせ、装置を脚部材の遠位端部間の組織に固定す
る位置にロックさせることは簡単な操作である。図面に
おいて判るように、本装置は平滑な湾曲部を−有し、そ
の閉鎖位置にある時、周囲の組織の刺激および外傷の影
響が最小限度に維持され、処置の聞手術中の領域を清掃
する時外科医または看護婦によって使用されるスポンジ
によって係合されるおそれがある鋭利な突起部または粗
い縁部がないように、略々卵形もしくは楕円形状を有す
る。
ロッキング手段自体は、固定具を外したり乱す傾向が最
小限度に維持されるように隠されて固定されている。
第3図および第4図においては、本発明の止JrlI用
クリ・ツブ30が示されている。本実施態様においては
、クリップは蝶番手段33によってそれぐ9の近位端部
において結合された1対の脚部材31.32を有してい
る。この脚部材は、相互に向い合う内面34.35を看
している。これらの内面が血管クランピング面である。
脚部材の遠位端部に向けて配置されたフック部分37を
有するフック36である係合ゼ段が一方の脚部材31の
血管クランピング面に隣接してこの脚部材の遠位端部に
向合って配置されている。これもまた脚部材の近位端部
に向けて配置されたフック部分39を有するフック38
であるロッキング手段が反対側の脚部材32の蝶番手段
に隣接している。使用に際しては、血管クランピング面
は閉Iトされるべき血管の反対側に置かれ、…[管クラ
ンピング面はこの2つの部材が相互に係合してクリップ
をその閉鎖位置にロックし、これにより血管クランピン
グ面間に置かれた血管を閉止するまで相互の方に押圧さ
れる。再び明らかなように、このクリップは周囲の組織
の刺激および外傷か最小限度に維持されかつ傷口または
手術領域を4^掃する看護婦または外科医によるクリッ
プの除去または破損の機会が最小限度に維持されるよう
に、非常に平滑な輪郭の外表面を有している。
あるポリマー材料の可塑性の撓み特性により、クランピ
ンク而の先端がロッキングに先立って合致するように構
造を変更することが望ましい。従って、脚部材を曲げる
ため別の閉鎖作用力が加わってクラ〉・プ面を最終的な
ロック位置に予め荷重を加える。たとえ蝶番手段33が
クリップの設置後に破損しても、クリップは係1F手段
によって閉鎖されたロンク位tに維持されることを指摘
しておかなければならない。これは、脆弱で折れ易い種
々のポリマー材料のこれ簿のクリップを作る場合に4キ
許に非常にイー1利である。また、これは吸叫可能な(
absorbable)kリマー材料から作られたクリ
・ンプの場合にも非常に有利である。吸叫可能なポリマ
ーの場合には、応力か加わる面積が大きければ大きい程
最初吸叫される傾向があり、従って最初の面積が破壊す
る。これが虚血用クリップにおける蝶番部分である。こ
のような係市手段の形態は、ポリマー型の外科装置がそ
れ等の閉鎖位置に確実に保つのを保証する上の正賞な改
善である。
第5図および第6図を参照して説明すると、本発明の粗
織固定装置の他の実施態様が示されている。この実施例
においては、装置40は弾性を有する蝶番部43によっ
てそれ等の近位端部において接合されたj対の脚部材4
1.42を崩している。各脚部材の遠位端部は鋭く尖っ
た組織刺通し手段44゜45で終っている。蝶番部に隣
接し他方の脚部材にに向合って配置された一方の脚部材
にはMEの係合装置46がある。蝶番部と隣接する他方
の脚部材には、前記の雄部材に対して締り嵌めを提供す
るスロット47であるロンキング手段が配置されている
。接合されるべき組織の周りに本装置を閉鎖すると、組
織刺通し手段の一方が組織の−・部に挿入され、反対側
の組織刺通し手段が隣接する組織内に挿入される。この
2つの脚部材は一緒に押圧され、雄部材が狭い開口を通
ってスロット内に押込まれ、ここでこの狭い開口によっ
て保持される。
第7図および第8図においては、別の固定具(fast
ener)が示されている。第7図においては、固定具
50かその開放位置で示されている。固定具は、蝶番手
段において結合されている1対の脚部材51.52を有
している。本実施態様においては、−・万の脚部材51
は他方の脚部材52の反対側に延びている2つの堅固な
部分54.55を有している。この脚部材の遠位端部は
皮膚または組織刺通し手段56.57、即ち鋭い先端部
で終っている。脚部材51を越えて鉄ひている堅固な部
分は、下方に延びている突出リップ領域58.59で終
っている。2つの堅固な部分の間に配置されている反対
側の脚部材52は、脚部材の遠位端部から隔てられた2
つの凹んだリップ部分60.81を有している。第8図
に更に明瞭にボされるように、2つの脚部材が相りに押
圧される時、凹んだリップ部60.61は反対側の脚部
材の突出したリップ部58.59により係合されて2つ
の部材を一緒にロックする。
前述の如く、本発明の装置の蝶番手段は弾性あるいは非
弾性でもよいが、実際にたとえこれら部材が非弾性であ
って閉鎖と同時にこれ等がひびが入るか破損するかある
いは弱くなっても、装置の性能には伺等影響を与えない
。本発明の装置は−・j+−閉鎖されると、これ等はた
とえ蝶番部が後で破損してもt期以上に閉鎖位置に確実
に保たれる。
これまでの記述から理解できるように、外科的機能を行
なうようになっている脚部材の遠位端部は、本装置を結
紮用もしくは止血用クリップとして使用することができ
るようにモ坦な血管クランピング而とすることができ、
あるいはこれ等は組織を一緒に刺通してこれを固定する
ため使用される鋭利な尖端の刺通し装置とすることもで
きる。
刺通し部材が使用されれば、装置が閉鎖される時刺通し
部材の間隔はどんな組織を接合するかに従って異なる。
また、明らかなように、係合手段は本装置自体の範囲以
内に配置されることを前提として種々の形態を含みむこ
とかできる。雄および雌の係1]一部材、フック係市部
材等を使用することもできる。
本発明の装置は、それ等の意図される機能によって種々
の大きさに構成することができる。止血用クリンプIよ
、一般に、長さが6’mmより短く、1陥が約1.5m
mであり、長さが約2mmの血管クランピンク面を有し
ている。このクリップの寸法は顕微外科におけるある用
途のため約50%まで縮小することもできる。より大き
なりリップ、即ち特殊なjl−商用途および卵管即ちv
astdefernに対する閉鎖の如き他の機能の場合
は、11−、商用クリ、プの寸法の約2倍の寸法となる
。組織固定用装置は、典)g!I的に、長さが約10m
mより短く幅が約6myrであり、4mmの組織刺通し
部分を有している。これ等の寸法もまた顕微外科におけ
るある用途においては約50%まで縮小することができ
、また他の色々な用途に対しては大きくすることもでき
る9本発明の装置は、吸収6f能であるかあるいは吸収
不”f能である生物学的に受入れ得るプラスチック材料
から成形されるのが最も好都合である。望ましい吸収可
能なポリマーには、グリコリド、ラクチドおよびポリジ
オキサノンのホモポリマーおよびコポリマーが含まれる
。好ましい吸収不可能なポリマーは、ナイロン、ポリエ
ステルおよびポリプロピレンを含む。このような全ての
材料は。
縫合器その他の植え込みJ能な医療装置として使用され
る際、生物学的に受入れられ得ることが示之れだ。この
装置はまた、所望にょリポリマー材料の成形もしくは機
械加工が゛可能である。
本発明の装置を使用するに際して、装置が配置される器
具は第9図に示される如き申−の用途の器具もしくは第
10図に示される如き多用途型器具でもよい。
第9図を参照すると、蝶番点73で交差しばね74によ
って常開位置に維持される2つのハンドル部材71.7
2を含むピンセット型の器具70が示されている。ハン
ドル71は顎部材75を形成する蝶番部を越えて延びて
おり一方他方の/\ントル72の延長部か反対側の顎部
材7Gを形成している。本発明の装;逝77は、本装置
を開放位置に置いてこれらの顎部材で取上げることがで
きる。次に本装置は所望の手術域に定置でき、ハンドル
を押圧することによって相qに閉鎖されてその係合部材
を介してこれをロングし、その適切な機能を実施する。
所望により、本器具は第10図に示される如き多重用途
装置ともなる。本実施態様においては、器具80は本発
明の多数の外科装置82を含んでいるカートリッジ81
を含む。本器具の機械的な特徴は、その顎部83に個々
の装置を提供し、顎部を閉じさせ、従って装置を所定位
置においてロックして固定する。従って、この機械的装
置は、顎部を再び開放すると、次に閉鎖する時この顎部
に対して新たな装置を提供する。このような動作を行な
うための特AIの機械的な手法は、本発明のいかなる部
分をも構成するものではないので本願では論述しない。
本発明の装置の形態は、吸収可能なポリマー材料から装
置を製造するとき重要であり、11一つ非常に有効であ
る。本装置を吸収可能なポリマーから作る場合は、一般
に本装置の成形および製造の間蝶番領域が最も大きな応
力を受ける。この非常に大きな応力を受ける蝶番領域は
、クリップの残部が吸収され、そして弱くなる前に吸収
され弱くなる傾向を有している。たとえ蝶番部に亀裂が
生じ、破損し、あるいは弱くなっても、本装置がその閉
鎖位置に保持され口・ツクされるので、この事実は斬新
な本装置の有効性を変化しない、従来技術の装置におい
ては、クリ・7プが閉鎖され従って離れた状態に強制さ
れる時蝶番部は一般に張カドに置かれ、従って、@刃部
が弱くなる時装置は開くことができる。この新しい位置
に蝶番部を移動させると、装置を閉鎖状j魚に保持する
二次的機能を圧縮状態における支点の機能に変化する。
係止手段を蝶番装置に隣接させる点に関する他の重要な
見地は、これが脚部材の横方向の運動を減少することで
ある。係止手段を、蝶番部の隣接位置に置くことによっ
て、係止手段のロックが解かれる前に脚の更に大きな開
きが許容される。この新しい装置はそれ自体相互にロッ
キングして、脚部材の横方向の連動によりロッキングが
外れることを少なくした。
この新しい装置の平滑なfJL続する湾曲形態は、使用
される外科的対置において改善された性能を提供する上
で■要なばかりでなく、本装置を容易に成形その他の方
法で簡単かつ経済的に製造することを可能にする。
この新しい装置ξの製造に用いられる材料よって、木製
・置は加熱、放射線、エチレンオキサイド等の種々の公
知の滅菌法により消毒することができる。
本発明およびそのいくつかの特定の実施態様について本
願に記述したが1本発明の精神および範囲から逸脱する
ことなく本発明に対して多くの変化もしくは変更がii
(能であることは当業者において容易に理解されよう。
【図面の簡単な説明】
第1図は装置が開放位置にある時の本発明の組織固定装
置を示す斜視図、第2図は閉鎖およびロックされた位置
にある第1図の装置を示す斜視1Δ、第3図はクリップ
が開泳位置で示された本発明の11:、面周クリップの
斜視図、第4図は閉鎖およびロックされた位箭一番こあ
る第3図のクリップの斜視IN、第5図は開放位置で示
された本発明による組織固定装置の他の実施態様を示す
斜視図、第6図は閉鎖およびロックされた位置にある第
5図の装置の斜視図、第7図は開放位置で示された本発
明の皮膚用固定装置の斜視図、第8図は閉鎖およびロッ
クされた位置における第7図の装置の斜視(A、第9図
は本発明の外科装置を適用するため使用される1つの形
式の器具を示す平面図、および第101Aは本発明の多
数の装置を適用するための他の形式の器具を示す平面図
である。 20・・・組織固定装置、21.22・・・脚部材、2
3・・・蝶番部、24.25・・・組織刺通し部、26
.27・・・フック部材、30・・・1に器用クリップ
、31.32・・・脚部材、33・・・蝶番手段、34
.35・・・境界面、3B、38・・・フック、37.
39・・・フック部分、40・・・組織固定装置、41
.42・・・脚部材、43・・・蝶番部、44.45・
・・組織刺通し装置fi、46・・・〃r型の係合装置
、47・・・スロット、50・・・固定比、 51.5
2・・・脚部材、54.55・・・堅固な部分、56.
57・・・組織刺通し装置、58.58・・・突出リン
プ部、60.61・・・凹状リップ部分、70・・・ピ
ンセット型の器具、71.72・・・ハンドル部材、7
3・・・蝶番点、74・・・ばね、75.7G・・・顎
部材、77・・・外科装置、80・・・器具、81・・
・カートリンジ、82・・・外科装置、83・・・顎部

Claims (1)

  1. 【特許請求の範囲】 J 外科的処置の開操作可能な所望の位置に位置づけさ
    れ、その中に確実に保持され、この位置から不用意に外
    れることを防止する非金属製の生物に適合性の無菌の外
    科装置において、外科的機能を行なうためそれ等の遠位
    端部において適応されている1対の脚部材にして、該脚
    部材がその近い端部において一緒に接合されている1対
    の脚部材と、前記の接合された近位端部に近接しており
    、前記脚部材が前記装置を所望の位置に位置づけしてこ
    れを固定するように相互に押圧される時該脚部材を一緒
    に固定するため該脚部材の遠位端部に向いて配置された
    一体の相互にロックする係止手段とを具備し、該係止手
    段が前記脚部材の範囲内に完全に配置され、これにより
    前記装置が所望の1)L置に固定される時、不用意に外
    れることを阻止するように該係止手段が保護されている
    ことを特徴とする装置。 2、前記脚部材が弾性の蝶番部分によってそれ等の近位
    端部において接合されている特許請求の範囲第1項記載
    の装置。 3、前記の相互にロックする係止手段が1対のフック部
    材を有し、■方のフック部材が一方の脚部材−ヒに位置
    づけされ、反対側の脚部材に向合って配置されており、
    第2のフック部材が前記の反対側の脚部材上に位置づけ
    され、I↓つ前記第1の脚部材に向合って配置されてお
    り前記フック部材のフック部分は相互に対して配置され
    ていて、これにより前記脚部材が相互の方に押圧される
    時、前記フック部分が相互に係合して+tiJ記装置全
    装置の位置にロックする特許請求の範囲第1項または第
    2項に記載の装置。 4、前記脚部材の遠位端部が、内面の間に配置された血
    管を閉止するのに使用するため相互に向合って配置され
    た平滑な該内面を特する特許の範囲第1項または第2項
    に記載の装置。 5.前記遠位端部が接合されるべき組織を刺通すため使
    用される尖った先端部で終っている特許請求の範囲第1
    項または第2項に記載の装置。 6、吸収可能なポリマー材料から作られている特許請求
    の範囲第1項または第2項に記載の装置。 7、吸収不可能なポリマー材料がら作られている特許請
    求の範囲第1項または第2項に記載の装置。 81.開放位置と閉鎖位置を有する非金属製の生物に適
    合性の無菌の外科装置において、相互に向合って配置さ
    れた血管をクランプする内面を有する1対の脚部材にし
    て、該脚部材がそれ等の近位端部において蝶番手段で接
    合されている1対の脚部材と、前記脚部材の遠位端部に
    向けて配置された蝶番手段に近接する相互にロックする
    一体の係1トf段とを具備し、該係止手段が一方の脚部
    材の内面から他方の脚部材の内面に向けて内側に配置さ
    れた保合部材と、他方の脚部材の内面から配置されたロ
    ッキング手段とを有し、これにより1ju記脚部材の内
    面が相屹の方に押圧される時、前記係合手段が前記ロッ
    キング手段と係合して前記装置を所望の位置に固定する
    ことを特徴とする装置。 9 !”1iff記係合部材が一方の脚部材の内面から
    内側に延びている突起部であり、前記ロッキング手段が
    他方の脚部材の内面に配置されたスロットである特許請
    求の範囲第8項記載の装置。 10 、 fiii記係合部材が一方脚部材の内面から
    内側にげひているフンクであり、前記ロッキング手段が
    他方の脚部材の内面から内側に延びている相補的なフン
    クである特許請求の範囲第8項記載の装置。 11、吸収可能なポリマー材料から作られている特許請
    求の範囲第9項記載の装置。 12、ポリジオキサノンから作られている特許請求の範
    囲第11項記載の装置。 13、開放位置と閉鎖位置とを有する非金属製の生物に
    適合性の無菌の外科装置において、それ等の近位端部に
    おいて蝶番手段で接合された1対の脚部材にして、該脚
    部材の遠位端部が組織の刺通手段で終っている1対の脚
    部材と、前記蝶番手段に近接していて、前記組織の刺通
    手段に向いて配置された相Vにロックする係止手段とを
    具備し、該係[ト手段か−・方の脚部材の内面から他方
    の脚部材の内面に向けて内側に配置された保合部材と、
    前記係合部材と共働するようになっている他方の脚部材
    の内面内に配置されたロッキング手段とを有し、これに
    より前記脚部材が相互の方に押圧される時前記係合手段
    が前記ロッキング手段と係合して前記装置を閉鎖位置に
    固定することを特徴とする装置。 14、前記組織の刺通手段が尖った先端部である特許請
    求の範囲第1′3項記載の装置。 15、前記装置が閉鎖位置にある時前記の尖った先端部
    が相ケに当接する特許請求の範囲第14項記載の装置。 16、前記係合部材が一方の脚部材の内面から内側に延
    びている突起であり、前記ロッキング11段が他方の脚
    部材の内面に配置されたスロットである特許請求の範囲
    第13項記載の装置。 17、前記係合部材が一方の脚部材の内面から内側に延
    ひているフックであり、前記ロッキング手段が他方の脚
    部材の内面から内側に延びている相補的な)・ンクであ
    る特許請求の範囲第13項記載の装置、。 18、吸収1丁能なポリマー材料から作られている特許
    請求の範囲第13項記載の装置。 19、ポリジオキサノンから作られている特許請求の@
    FHJ第18項記載の装置。
JP59041480A 1983-03-11 1984-03-06 非金属製の生物に適合性の無菌の外科装置 Pending JPS59168848A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47439283A 1983-03-11 1983-03-11
US474392 1995-06-07

Publications (1)

Publication Number Publication Date
JPS59168848A true JPS59168848A (ja) 1984-09-22

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ID=23883321

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Application Number Title Priority Date Filing Date
JP59041480A Pending JPS59168848A (ja) 1983-03-11 1984-03-06 非金属製の生物に適合性の無菌の外科装置

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Country Link
EP (1) EP0122046A1 (ja)
JP (1) JPS59168848A (ja)

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JPH01249045A (ja) * 1988-03-30 1989-10-04 Shigekiyo Fujita 脳動脈瘤クリップ
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