JP2007125395A - 使い捨ての切断／ステープルユニットを備えた電気外科用ステープル装置 - Google Patents
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Abstract
【課題】着脱自在に接続可能な切断／ステープルユニットを含む外科切断／ステープル装置に用いるように構成した電気エネルギー伝送システムを提供する。
【解決手段】電気エネルギー伝送システムは電源、と使い捨て切断／ステープルユニットのアンビル組立部およびカートリッジ組立部の少なくとも一方に配置した少なくとも１つの電極とを具備してもよい。その装置の電極は、使い捨て切断／ステープルユニットが着脱自在に外科切断／ステープル装置に接続されたときに電源から電力を受けるように構成することもできる。ある実施例では、電源は装置の電極に電流を供給する高周波電源を含んでもよい。
【選択図】図１
【解決手段】電気エネルギー伝送システムは電源、と使い捨て切断／ステープルユニットのアンビル組立部およびカートリッジ組立部の少なくとも一方に配置した少なくとも１つの電極とを具備してもよい。その装置の電極は、使い捨て切断／ステープルユニットが着脱自在に外科切断／ステープル装置に接続されたときに電源から電力を受けるように構成することもできる。ある実施例では、電源は装置の電極に電流を供給する高周波電源を含んでもよい。
【選択図】図１
Description
〔発明の分野〕
本発明は広くは外科器具に関する。またさらに具体的には、本発明は切断しステープリングした組織の縫合と治癒を促進するための外科器具の使用に関連して行う電気エネルギーの伝送と印加に関する。
本発明は広くは外科器具に関する。またさらに具体的には、本発明は切断しステープリングした組織の縫合と治癒を促進するための外科器具の使用に関連して行う電気エネルギーの伝送と印加に関する。
〔発明の背景〕
体組織を切開し同時にその切開部の両側に複数列のステープルを打ち込むのに使用できる外科ステープル装置は、当技術分野では従来から知られている。そのような装置は一般に、内視鏡下または腹腔鏡下で適用される場合はカニューレ内の通路を通過できる一対の協働する顎部材を備えている。一方の顎部材は通常、横方向に離間した少なくとも２列のステープルを収容するステープルカートリッジを有している。他方の顎部材は、ステープルカートリッジのステープル列に対応して整列したステープル成形ポケットを備えたアンビルを有する。さらに、外科ステープル装置には、外科手術処置時に組織を切るように設計されたナイフまたは他の切刃が含まれる。
体組織を切開し同時にその切開部の両側に複数列のステープルを打ち込むのに使用できる外科ステープル装置は、当技術分野では従来から知られている。そのような装置は一般に、内視鏡下または腹腔鏡下で適用される場合はカニューレ内の通路を通過できる一対の協働する顎部材を備えている。一方の顎部材は通常、横方向に離間した少なくとも２列のステープルを収容するステープルカートリッジを有している。他方の顎部材は、ステープルカートリッジのステープル列に対応して整列したステープル成形ポケットを備えたアンビルを有する。さらに、外科ステープル装置には、外科手術処置時に組織を切るように設計されたナイフまたは他の切刃が含まれる。
ステープル装置の操作に際して、臨床医はステープル装置の起動または作動前に顎部材を閉じまたは締め付けて組織を所定の位置に置くことができる。顎部材が組織を所望の位置で固定していると臨床医が判断すれば、臨床医が外科ステープル装置を起動して組織を切開し、同時に切開部周辺の組織をステープリングできる。この同時切断／ステープリング処置により、切断およびステープリングを順次および／または別々の器具（すなわち、１つの器具を使って組織を切断し、続いて別の器具を使って組織をステープリングする）を使用して行う時に起きやすい煩雑さを回避することができる。
一般に、組織の創傷の縫合に関連していろいろな種類のエネルギーを加えることにより、治癒を促進したり、感染症の可能性を減らしたり、および／または創傷の適正な閉鎖を促進したりできる。例えば、電気エネルギーによる焼灼作用を援用すれば、多くの外科ステープル装置は、治癒の増進、感染症に対する抵抗力の増加、および組織切開部の閉鎖の促進などについて良い外科的成果を上げることができる。しかし、多くの従来のステープル装置の構造とそれらを使う医療処置は、切断／ステープリングした組織に電気エネルギーを加えることによって得られる有益な効果を適切に活かしていない。
前述を背景に、外科ステープル装置の使用を伴う処置時に生じた組織切開部の閉鎖、治療および治癒をより効果的に、かつ効率よく促進できる改良された電気外科装置と電気エネルギー伝送システムが求められている。
〔発明の概要〕
本発明のいろいろな実施例では、着脱自在に接続可能な使い捨て切断／ステープルユニットを含む、外科用切断／ステープル装置とともに使用するよう構成した電気エネルギー伝送システムを提供する。この電気エネルギー伝送システムは電源と、使い捨て切断／ステープルユニットのアンビル組立部およびカートリッジ組立部の少なくとも一方に配置した少なくとも１つの電極と、を具備してもよい。この組立部の電極（assembly electrode）は、使い捨て切断／ステープルユニットが着脱自在に外科装置に接続されたときに電源から電力を受けるように構成することもできる。ある実施例では、電源は装置の電極に電流を供給する高周波電源を含んでもよい。
本発明のいろいろな実施例では、着脱自在に接続可能な使い捨て切断／ステープルユニットを含む、外科用切断／ステープル装置とともに使用するよう構成した電気エネルギー伝送システムを提供する。この電気エネルギー伝送システムは電源と、使い捨て切断／ステープルユニットのアンビル組立部およびカートリッジ組立部の少なくとも一方に配置した少なくとも１つの電極と、を具備してもよい。この組立部の電極（assembly electrode）は、使い捨て切断／ステープルユニットが着脱自在に外科装置に接続されたときに電源から電力を受けるように構成することもできる。ある実施例では、電源は装置の電極に電流を供給する高周波電源を含んでもよい。
本発明のさまざまな実施例では、外科切断／ステープル装置は電気エネルギー伝送システムを備えることもできる。この装置は、電源を含むハンドル部とそのハンドル部に接続された実施部とを具備してもよい。実施部は、使い捨て切断／ステープルユニットを着脱自在に実施部に接続するように構成されたシャフトを含むこともできる。使い捨て切断／ステープルユニットはアンビル組立部とカートリッジ組立部とを含んでもよい。アンビル組立部またはカートリッジ組立部の少なくとも一方は、この組立部に配置された少なくとも１つの電極を具備してもよく、これにより、使い捨てユニットを外科装置と共に使用するためにシャフトに着脱自在に接続したときに、組立部の電極を、電源から電力を受け取るように構成することができる。
本明細書に組込まれその一部を構成する添付の図面は、本発明の実施例を示すものである。本明細書における実施例の記述とともに、添付図面は当業者に対し本発明の原理を説明するものである。
〔発明の詳細な説明〕
本明細書で用いる用語「組織」(tissue)はヒトまたは動物のさまざまな組織(tissues)、膜(membranes)、または他の生体器官の基質(organic substrates)を含んでもよい。また用語「組織」は本明細書で説明するいろいろな実施例の外科ステープル／切断装置により切断、ステープリングまたはそれ以外の治療対象となりうる物質(substance)、基質(substrate)、または組成物(composition of matter)を含んでもよい。
本明細書で用いる用語「組織」(tissue)はヒトまたは動物のさまざまな組織(tissues)、膜(membranes)、または他の生体器官の基質(organic substrates)を含んでもよい。また用語「組織」は本明細書で説明するいろいろな実施例の外科ステープル／切断装置により切断、ステープリングまたはそれ以外の治療対象となりうる物質(substance)、基質(substrate)、または組成物(composition of matter)を含んでもよい。
図面全般について、本発明のさまざまな実施例では電気エネルギー伝送システムを備えた切断／ステープル装置１０を提供することもできる。装置１０は実施部２２に接続したハンドル部２０を含んでもよい。実施部２２は、ハンドル部から遠位方向に延在し使い捨て切断／ステープルユニット２６に着脱自在に接続可能なシャフト２４を有する。使い捨て切断／ステープルユニット２６は、ステープルカートリッジ組立部３０に対して開閉動作ができるように使い捨てユニット２６において旋回可能に接続される、遠位方向に配置されたアンビル組立部２８を備えてもよい。アンビル組立部２８とステープルカートリッジ組立部３０との間の間隔を、例えば、医療処置において、臨床医による外科装置１０の使用時に組織の効果的な固定(clamping)、ステープリングおよび切断を促進するように構成しうることが分かる。
使い捨てユニット２６とシャフト２４との着脱自在な接続は、使い捨ての切断／ステープルユニット２６の近位端から外側に延在する１つ以上のプッシュロッド３２、３４を用いて行うこともできる。プッシュロッド３２、３４は、使い捨てユニット２６を実施部２２のシャフト２４から外した後は通常（例えば、図２に示すように）外側位置に弾性的に（例えば、従来のバネ形状の作用で）偏倚されている。使い捨てユニット２６のシャフト２４に対する接続に関連して、プッシュロッド３２、３４をプッシュロッドの凹部（例えば、図１に示す凹部３８）で受けて、使い捨てユニット２６を実施部２２のシャフト２４に対して所定の位置に確実にロックするようにしてもよい。このプッシュロッド３２、３４の形状により、特に装置１０の各回の起動に新しい使い捨てユニット２６が望ましい場合には、使い捨てユニット２６を簡単に取り外すことができる。またプッシュロッド３２、３４の形状は装置１０の使用および操作時に使い捨てユニット２６のシャフト２４からの無用な脱落を防ぐ。
装置１０のハンドル部２０はグリップ４２を具備してもよく、それに対して閉鎖トリガー４４を例えば、臨床医が手で握り締めることで旋回させて引付けて、アンビル組立部２８を使い捨てユニット２６のカートリッジ組立部３０に対して固定、すなわち閉鎖させるようにできる。外科装置１０の使用を伴う手術では、アンビル組立部２８をカートリッジ組立部３０に対して閉じることで組織を挟むことができる。またハンドル部２０は、アンビル組立部２８をカートリッジ組立部３０に対して閉じた後、装置１０に、使い捨てユニット２６で挟んだ組織のステープリングおよび切断をほぼ同時におこなわせる起動トリガーまたは他の機能性を含んでもよい。
いろいろな実施例では、使い捨てユニット２６は下側溝形部材（lower channel）５２と上側カバー部材（upper cover）５４とを有してもよい。ステープルカートリッジ組立部３０は図２に示すように下側溝形部材５２の遠位端内に配置してよい。さらに、ステープルカートリッジ５６をステープルカートリッジ組立部３０内に配置することもできる。ステープルカートリッジ５６は、そこに形成された複数のステープル穴（典型的なステープル穴５８、６０、６２で例示したようなステープル穴）を備えてもよく、装置１０の発射操作時にそれらの穴を介して複数のステープル（図示せず）を発射して切断された組織のステープリングを行う。
またステープルカートリッジ組立部３０は遠位端に切断刃６８を有するナイフシャフト６６がカートリッジ組立部３０内を移動できる長手方向スロット６４を備えた形状にすることもできる。操作時には、装置１０を起動すると、ナイフシャフト６６とその切断刃６８が、ナイフシャフト６６と連動する発射ロッド７０の作用でカートリッジ組立部３０の縦軸に沿ってスロット６４内を移動する。発射ロッド７０のナイフシャフト６６との協働相互作用は発射ロッド７０の遠位端に取付けたアダプター７２を用いて得ることもできる。アダプター７２は、ナイフシャフト６６にロック部材７６で接続される駆動ブロック７４に接続するように構成してもよい。駆動ブロック７４は、図２に示すように、保持クリップ７８を用いてロック部材７６に取付けることもできる。発射ロッド７０でナイフシャフト６６の切断刃６８を駆動してカートリッジ組立部３０を通過させると、アンビル組立部２８とカートリッジ組立部３０との間に挟まれている組織が切断される。さらに、スレッド８２をナイフシャフト６６の遠位端に隣接して配置して、ナイフシャフト６６がカートリッジ組立部３０のスロット６４およびカートリッジ組立部３０とアンビル組立部２８の間に挟まれている組織を通り抜けやすくすることもできる。また取付板８４をナイフシャフト６６の下部に取付けてナイフシャフト６６が下側溝形部材５２を通過するときにナイフシャフト６６を安定させまた通過しやすくさせることもできる。
いろいろな実施例において、アンビル組立部２８はすくなくとも２つの構成部品、すなわち下板２８Ｂに（摩擦嵌めのようにして）取付けるように構成した上板２８Ａ、を備えてもよい。アンビル組立部２８の下板２８Ｂに、ステープル穴５８、６０、６２に対応して位置合わせするように形成された（例えば、図４に例示した典型的な凹部８６、８８、９０のような）複数のステープル受け用凹部を有していてもよい。ステープル受け用凹部８６、８８、９０は、装置１０により切断した組織を介してステープルカートリッジ５６からステープルを受ける。クリップばね９２をアンビル部組立２８の下板２８Ｂの近位部とナイフシャフト６６の遠位部との間に配置してもよい。クリップばね９２は、アンビル組立部２８をステープルカートリッジ組立部３０に対して通常の開位置（すなわち、起動前位置）に保持するよう弾性的に偏倚して形成することができる。またピン９４を、アンビル組立部２８の縦軸に沿って形成したスロット９８と連動するように構成できるナイフシャフト６６の遠位部に形成した穴９６に嵌めこんでもよい。装置１０の操作時には、アンビル組立部２８がスロット９８に沿って移動し始めるとピン９４の作用でカートリッジ組立部３０との間で組織を挟み、すなわち配置させるようにアンビル組立部をカートリッジ組立部に向かって移動させることができる。
本発明の実施例に機能的にも構造的にも類似し、それら実施例と関連させて実施しうる典型的な外科切断／ステープル装置の例がイェイツ（Yates）等の米国特許、名称「電気外科装置および方法」（米国特許第５,８３３,６９０号、１９９８年１１月１０日発行）に開示されており、その全体を参照して本明細書に組み入れる。
さまざまな実施例において、エネルギー伝送システムを外科装置１０に関連して設けて、装置１０の切断／ステープリング動作で生じた組織切開部の閉鎖と治癒を促すこともできる。ハンドル部２０に従来のバッテリまたは他の適当なエネルギー源から電力を供給される電源１１２を設けることができる。電源１１２は例えば、高周波（ＲＦ）エネルギーを発生し供給するように構成してもよく、そのエネルギーは（電線１１４、１１６等の）電気接続によりシャフト２４の遠位端に配置した第１電気接点セット１１８に送出できる。周波数、電流、電圧および他の特性(characteristics)などのＲＦエネルギーの特性を選択して切断組織へのＲＦエネルギーの印加をより安全により効果的に行うようにできることは、当業者には理解されるであろう。
使い捨て切断／ステープルユニット２６には、使い捨て切断／ステープルユニット２６の近位端に配置され、装置１０の操作時に使用するよう使い捨てユニット２６をシャフト２４に着脱自在に接続した時に第１電気接点セット１１８と電気回路を形成するように構成した第２電気接点セット１２２を備えることもできる。第２電気接点セット１２２は、アンビル組立部２８に形成したステープル受け用凹部８６、８８、９０の列にほぼ隣接して置かれた第１のセットの電極１３２、１３４に（電線１２４、１２６等により）電気的に接続してもよい。第２電気接点セット１２２は、カートリッジ組立部３０のステープルカートリッジ５６に形成した複数のステープル穴５８、６０、６２の列にほぼ隣接して置かれた少なくとも第２のセットの電極１３６、１３８に電気的に接続してもよい。電極１３２、１３４、１３６、１３８は銅、アルミニウム、銀、または電極１３２、１３４、１３６、１３８から切断した組織に電気エネルギーを伝達するのに適した物質組成などの電気導電材料を含んでもよい。従来の絶縁構造および技術を利用して、電気エネルギーを切断された組織に安全かつ効果的に伝送するためにここで述べた導電性要素の電気絶縁を増すようにすることもできることは理解されるであろう。
当業者には、電極１３２、１３４、１３６、１３８のいずれかのセットまたは各セットの個別の電極１３２、１３４、１３６、１３８を自由にマイナスまたはプラスに充電して切断した組織に電気エネルギーを送達できる電気回路を形成してもよい。例えば、アンビル組立部２８の第１のセットの電極１３２、１３４をプラスに充電してもよく、ステープルカートリッジ組立部３０の第２のセットの電極１３６、１３８をマイナスに充電してもよい。ある実施例では、ある実施例では、図面では開示の都合上それぞれ１つの連続した構成要素として示している電極１３２、１３４、１３６、１３８を２つまたは以上の別個の構成要素とし、適宜充電し、電気エネルギー伝送のため電気的に接続してもよい。他の例では、電極１３２、１３４、１３６、１３８の１つ以上のものを２つの別個の構成要素に分割してもよく、電極１３２、１３４、１３６、１３８の１つの構成要素をプラスに充電し、電極１３２、１３４、１３６、１３８のもう１つの構成要素はプラスに充電して電気エネルギー伝送回路においてその２つの構成要素間に電流路を形成するようにしてもよい。またある実施例では、電極または電極構成要素をアンビル組立部２８および／またはカートリッジ組立部３０上の特定の所定位置に配置して、電気エネルギーを切断した組織のある部分にのみ容易に集中できるようにもできる。
いろいろな実施例では、使い捨て切断／ステープルユニット２６にアンビル組立部２８上に配置した電極１３２、１３４の片方または両方を持たせることもできるが、カートリッジ組立部３０上には対応する電極は配置されない。このような実施例において、アンビル組立部２８上の電極１３２、１３４を電源１１２に電気的に接続して伝送された電流の供給を受けるようにしてもよく、またカートリッジ組立部３０の少なくとも一部（例えば、ステープルカートリッジ５６の一部または複数部分）を、例えば、電源１１２の接地接続を介して、または他の適当な接地接続を介して電気的に接地することもできる。したがって、電極１３２、１３４の一方または両方をプラスに充電でき、またカートリッジ組立部３０の少なくとも一部を電気的に接地できる。これらの形状構成により、電極１３２、１３４から切断／ステープリングした組織のアンビル組立部２８とカートリッジ組立部３０との間に挟まれた部分を通して接地されたカートリッジ組立部３０への電流を流れ易くする回路が形成されることが分かる。
さまざまな実施例において、使い捨て切断／ステープルユニット２６にカートリッジ組立部３０上に配置した電極１３６、１３８の片方または両方を持たせることもできるが、アンビル組立部２８上には対応する電極は配置されない。このような実施例において、カートリッジ組立部３０上の電極１３６、１３８を電源１１２に電気的に接続して伝送された電流の供給を受けるようにしてもよく、またアンビル組立部２８の少なくとも一部を例えば、電源１１２の接地接続を介して、または他の適当な接地接続を介して電気的に接地することもできる。したがって、電極１３６、１３８の一方または両方をプラスに充電でき、またアンビル組立部２８の少なくとも一部を電気的に接地できる。これらの形状構成により、電極１３６、１３８から切断／ステープリングした組織のアンビル組立部２８とカートリッジ組立部３０との間に挟まれた部分を通して接地されたカートリッジ組立部３０への電流を流れ易くする回路が形成されることが分かる。
電気エネルギー（例えば、ＲＦ電気エネルギー)を外科装置１０の操作に関連して用いて切断した組織を焼灼、そうでなければ、その閉鎖または封止を促進したりしてもよいことが分かる。ある実施例においては、電源１１２をボタンまたはトリガー１４２により起動し手動で電流をエネルギー伝送システムを通じて電極１３２、１３４、１３６、１３８に流すこともできる。電源１１２はまた装置１０の起動に連動して自動的に起動し電気エネルギーを発生するように形成してもよい。例えば、装置１０を起動して組織の切断／ステープリングを行うのに連動して、電源１１２を自動的に起動してＲＦエネルギーをエネルギー伝送システムの電極１３２,１３４,１３６,１３８の１つ以上を介して伝送して、装置１０の動作により切断しステープリングした組織を焼灼、または、その閉鎖または封止を促進するようにもできる。
用語「近位の（proximal）」および「遠位の（distal）」は、装置のハンドルを握っている臨床医を基準とするような相対的な方向を表わす便宜的な用語として使うことができる。例えば、使い捨てユニット２６は「近位の」ハンドル部２０に対して「遠位」だと考えられる(例えば、図１を参照）。開示の便宜と明確化のため、「上面（top）」と「下面（bottom）」、「上方（upper）」と「下方（lower）」または「下向き（downward）」と「上向き（upward）」のような空間的に組み合わされ相対的な方向を表わす用語は、ここでは図面を基準にして用いることができる。しかしながら、外科装置は多くの方向と姿勢で使用してもよく、また前述の用語は本発明を限定せずまた絶対的なものでもないことは当業者には理解されるであろう。
本明細書に参照して組込まれるとしているいかなる特許、刊行物または他の開示物は、その全体または一部を問わず、既存の定義、言説または本明細書において記述された他の開示物に抵触しない範囲においてのみ本明細書に参照して組込まれる。したがって、必要な範囲において、本明細書で明白になされた開示は、本明細書に参照して組込まれた抵触するすべての開示物に対し、優先する。本明細書に参照して組込まれるとされるいかなる開示物またはその一部、ただし既存の定義、言説または本明細書において記述された他の開示物に抵触する前記の開示物は、その組込まれるものと既存の開示物との間で抵触が起こらない範囲においてのみ、本明細書に組込まれる。
本明細書で述べた実施例は、当業者に対し、本発明の可能であり特定の実施を示そうと意図したものである。本明細書に含まれる実施例のどの態様も、必ずしも本発明の範囲を限定しようと意図するものではない。
本発明の図面および記述は、本発明を明瞭に理解するのに関連する要素を示すために簡略化し、明確化するために、他の要素を省略している。しかしながら、当業者は、これらの要素と他の要素が標準的なコンピューターシステムまたはデータベースシステムにおいては望ましいこともあることを理解するであろう。しかし、そのような要素は当技術分野では周知であり、それらの要素は本発明のよりよい理解を容易にはしないため、それらの要素については本明細書では述べなくてもよい。
本明細書で特定の機能を果たすための手段として述べられたすべての要素は、例えば、その機能を果たす要素の組み合わせを始めとして、その機能を果たす方法も包含しようとするものである。さらに、機能的手段形式の特許請求の範囲（means-plus-function claims）で定義するように、本発明の特徴は、さまざまな記載された手段により得られる機能を添付の特許請求の範囲で定義する様式で組み合わせ、統合することにある。したがって、そのような機能が得られるいかなる手段も、本明細書で示した手段と等価であるとみなされる。
本明細書において開示された本発明のさまざまな実施例において、所定の機能を実行するために、単一の要素は複数の要素に代用することが可能であり、複数の要素は単一の要素に代用することが可能である。このような代用が本発明の実施例の実施に効力を持たない場合を除き、このような代用は本発明の範囲内にあるものとする。
本発明をいくつかの実施例の記述で示し、これらの例示の実施例をかなり詳細に説明したが、添付の特許請求の範囲をこのような詳細な事項に制限またはいかなる意味においても限定することは出願人の意図するところではない。さらなる利点や変形は当業者には容易に明らかになるであろう。本発明は内視鏡下処理および装置に関連して述べた。しかし、本明細書での「内視鏡下」(endoscopic)のような用語の使用は本発明を内視鏡管（例えば、トロカール）とのみ併用する外科ステープルおよび切断装置に限定するものではない。それとは逆に、本発明により構成した外科装置は、腹腔鏡下処置および開腹処置に限定されず、これらを始めとする多くの外科処置に用いることができると考えられる。さらに、本発明の実施例のユニークで新規の態様は、本発明の精神および範囲から逸脱することなく他の形態のステープル装置に用いると有効である。
〔実施の態様〕
（１）着脱自在に接続可能な使い捨て切断／ステープルユニットを含む外科切断／ステープル装置と共に用いるように構成された電気エネルギー伝送システムにおいて、
電源と、
前記使い捨て切断／ステープルユニットのアンビル組立部またはカートリッジ組立部の少なくとも一方に配置された少なくとも１つの電極であって、前記使い捨て切断／ステープルユニットを前記外科切断／ステープル装置に着脱自在に接続したときに、前記電源から電力を受け取るように構成された、少なくとも１つの電極と、
を具備する、電気エネルギー伝送システム。
（２）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電源が高周波電源を含む、電気エネルギー伝送システム。
（３）実施態様１記載の電気エネルギー伝送システムにおいて、
前記使い捨て切断／ステープルユニットであって、前記外科切断／ステープル装置のシャフトに前記使い捨て切断／ステープルユニットを着脱自在に接続したときに、前記シャフト上に配置された電気接点のセットと電気回路を形成するように、前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、前記使い捨て切断／ステープルユニット、
をさらに具備する、電気エネルギー伝送システム。
（４）実施態様１記載の電気エネルギー伝送システムにおいて、
前記組立部の電極は、前記アンビル組立部に形成された複数のステープル受け用凹部にほぼ隣接して配置されたアンビル組立部電極を含む、電気エネルギー伝送システム。
（５）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電極は、前記カートリッジ組立部内に収容されたステープルカートリッジ上に配置されたカートリッジ組立部電極を含む、電気エネルギー伝送システム。
（６）実施態様５記載の電気エネルギー伝送システムにおいて、
前記カートリッジ組立部電極であって、前記ステープルカートリッジに形成された複数のステープル穴にほぼ隣接して配置されている、カートリッジ組立部電極、
をさらに具備する、電気エネルギー伝送システム。
（７）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電源と操作可能に連動するトリガーであって、前記電源を手動で始動できるように構成されたトリガー、
をさらに具備する、電気エネルギー伝送システム。
（８）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電源であって、前記外科切断／ステープル装置の始動に関連して自動的に作動し電気エネルギーを発生するように構成された、前記電源、
をさらに具備する、電気エネルギー伝送システム。
（９）実施態様１記載の電気エネルギー伝送システムにおいて、
前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部が電気的に接地されている、電気エネルギー伝送システム。
（１０）電気エネルギー伝送システムを有する外科切断／ステープル装置において、
電源を内部に含むハンドル部と、
前記ハンドル部に接続された実施部であって、使い捨て切断／ステープルユニットを着脱自在に接続するように構成されたシャフトを含む、実施部と、
アンビル組立部、およびカートリッジ組立部を含む前記使い捨て切断／ステープルユニットであって、前記アンビル組立部または前記カートリッジ組立部の少なくとも一方には、少なくとも１つの電極が配置されており、この組立部の電極は、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたとき、前記電源から電力を受け取るように構成されている、使い捨て切断／ステープルユニットと、
を具備する、装置。
（１１）実施態様１０記載の装置において、
前記電源が高周波電源を含む、装置。
（１２）実施態様１０に記載の装置において、
前記使い捨て切断／ステープルユニットであって、前記シャフトに前記使い捨て切断／ステープルユニットを着脱自在に接続したとき、前記シャフト上に配置された電気接点のセットと電気回路を形成するように前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、前記使い捨て切断／ステープルユニット、
をさらに具備する、装置。
（１３）実施態様１０記載の装置において、
前記組立部の電極は、前記アンビル組立部に形成された複数のステープル受け用凹部にほぼ隣接して配置されたアンビル組立部電極を含む、装置。
（１４）実施態様１０記載の装置において、
前記電極は、前記カートリッジ組立部内に収容されたステープルカートリッジ上に配置されたカートリッジ組立部電極を含む、装置。
（１５）実施態様１４記載の装置において、
前記カートリッジ組立部電極であって、前記ステープルカートリッジに形成された複数のステープル穴にほぼ隣接して配置されている、前記カートリッジ組立部電極、
をさらに具備する、装置。
（１６）実施態様１０記載の装置において、
前記電源と操作可能に連動するトリガーであって、前記電源を手動で始動できるように構成された、トリガー、
をさらに具備する、装置。
（１７）実施態様１０記載の装置において、
前記電源であって、前記外科切断／ステープル装置の始動に関連して自動的に作動し電気エネルギーを発生するように構成された、前記電源、
をさらに具備する、装置。
（１８）実施態様１０記載の装置において、
前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部が電気的に接地されている、装置。
（１９）着脱自在に接続可能な使い捨て切断／ステープルユニットを含む外科切断／ステープル装置と共に用いるように構成された電気エネルギー伝送システムにおいて、
電源であって、高周波電源を含む、電源と、
前記使い捨て切断／ステープルユニットのアンビル組立部に配置された少なくとも１つの電極であって、前記アンビル組立部電極は、前記使い捨て切断／ステープルユニットが前記外科切断／ステープル装置に着脱自在に接続されたときに、前記電源から電力を受け取るように構成されている、電極と、
前記使い捨て切断／ステープルユニットのステープルカートリッジ組立部に配置された少なくとも１つの電極であって、前記カートリッジ組立部電極は、前記使い捨て切断／ステープルユニットが前記外科切断／ステープル装置に着脱自在に接続されたときに、前記電源から電力を受けるように構成されている、電極と、
を具備する、電気エネルギー伝送システム。
（２０）電気エネルギー伝送システムを有する外科切断／ステープル装置において、
電源を内部に含むハンドル部であって、前記電源が、高周波電源を含む、ハンドル部と、
前記ハンドル部に接続された実施部であって、前記実施部に使い捨て切断／ステープルユニットを着脱自在に接続するように構成されたシャフトを有する、実施部と、
アンビル組立部、およびカートリッジ組立部を含む前記使い捨て切断／ステープルユニットであって、前記アンビル組立部または前記カートリッジ組立部の少なくとも一方に配置された少なくとも１つの電極を含み、前記電極は、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたときに、前記電源から電力を受け取るように構成されていて、前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部は、電気的に接地されている、前記使い捨て切断／ステープルユニットと、
を具備し、
前記使い捨て切断／ステープルユニットは、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたときに、前記シャフト上に配置された電気接点のセットと電気回路を形成するように、前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、
外科切断／ステープル装置。
（１）着脱自在に接続可能な使い捨て切断／ステープルユニットを含む外科切断／ステープル装置と共に用いるように構成された電気エネルギー伝送システムにおいて、
電源と、
前記使い捨て切断／ステープルユニットのアンビル組立部またはカートリッジ組立部の少なくとも一方に配置された少なくとも１つの電極であって、前記使い捨て切断／ステープルユニットを前記外科切断／ステープル装置に着脱自在に接続したときに、前記電源から電力を受け取るように構成された、少なくとも１つの電極と、
を具備する、電気エネルギー伝送システム。
（２）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電源が高周波電源を含む、電気エネルギー伝送システム。
（３）実施態様１記載の電気エネルギー伝送システムにおいて、
前記使い捨て切断／ステープルユニットであって、前記外科切断／ステープル装置のシャフトに前記使い捨て切断／ステープルユニットを着脱自在に接続したときに、前記シャフト上に配置された電気接点のセットと電気回路を形成するように、前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、前記使い捨て切断／ステープルユニット、
をさらに具備する、電気エネルギー伝送システム。
（４）実施態様１記載の電気エネルギー伝送システムにおいて、
前記組立部の電極は、前記アンビル組立部に形成された複数のステープル受け用凹部にほぼ隣接して配置されたアンビル組立部電極を含む、電気エネルギー伝送システム。
（５）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電極は、前記カートリッジ組立部内に収容されたステープルカートリッジ上に配置されたカートリッジ組立部電極を含む、電気エネルギー伝送システム。
（６）実施態様５記載の電気エネルギー伝送システムにおいて、
前記カートリッジ組立部電極であって、前記ステープルカートリッジに形成された複数のステープル穴にほぼ隣接して配置されている、カートリッジ組立部電極、
をさらに具備する、電気エネルギー伝送システム。
（７）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電源と操作可能に連動するトリガーであって、前記電源を手動で始動できるように構成されたトリガー、
をさらに具備する、電気エネルギー伝送システム。
（８）実施態様１記載の電気エネルギー伝送システムにおいて、
前記電源であって、前記外科切断／ステープル装置の始動に関連して自動的に作動し電気エネルギーを発生するように構成された、前記電源、
をさらに具備する、電気エネルギー伝送システム。
（９）実施態様１記載の電気エネルギー伝送システムにおいて、
前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部が電気的に接地されている、電気エネルギー伝送システム。
（１０）電気エネルギー伝送システムを有する外科切断／ステープル装置において、
電源を内部に含むハンドル部と、
前記ハンドル部に接続された実施部であって、使い捨て切断／ステープルユニットを着脱自在に接続するように構成されたシャフトを含む、実施部と、
アンビル組立部、およびカートリッジ組立部を含む前記使い捨て切断／ステープルユニットであって、前記アンビル組立部または前記カートリッジ組立部の少なくとも一方には、少なくとも１つの電極が配置されており、この組立部の電極は、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたとき、前記電源から電力を受け取るように構成されている、使い捨て切断／ステープルユニットと、
を具備する、装置。
（１１）実施態様１０記載の装置において、
前記電源が高周波電源を含む、装置。
（１２）実施態様１０に記載の装置において、
前記使い捨て切断／ステープルユニットであって、前記シャフトに前記使い捨て切断／ステープルユニットを着脱自在に接続したとき、前記シャフト上に配置された電気接点のセットと電気回路を形成するように前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、前記使い捨て切断／ステープルユニット、
をさらに具備する、装置。
（１３）実施態様１０記載の装置において、
前記組立部の電極は、前記アンビル組立部に形成された複数のステープル受け用凹部にほぼ隣接して配置されたアンビル組立部電極を含む、装置。
（１４）実施態様１０記載の装置において、
前記電極は、前記カートリッジ組立部内に収容されたステープルカートリッジ上に配置されたカートリッジ組立部電極を含む、装置。
（１５）実施態様１４記載の装置において、
前記カートリッジ組立部電極であって、前記ステープルカートリッジに形成された複数のステープル穴にほぼ隣接して配置されている、前記カートリッジ組立部電極、
をさらに具備する、装置。
（１６）実施態様１０記載の装置において、
前記電源と操作可能に連動するトリガーであって、前記電源を手動で始動できるように構成された、トリガー、
をさらに具備する、装置。
（１７）実施態様１０記載の装置において、
前記電源であって、前記外科切断／ステープル装置の始動に関連して自動的に作動し電気エネルギーを発生するように構成された、前記電源、
をさらに具備する、装置。
（１８）実施態様１０記載の装置において、
前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部が電気的に接地されている、装置。
（１９）着脱自在に接続可能な使い捨て切断／ステープルユニットを含む外科切断／ステープル装置と共に用いるように構成された電気エネルギー伝送システムにおいて、
電源であって、高周波電源を含む、電源と、
前記使い捨て切断／ステープルユニットのアンビル組立部に配置された少なくとも１つの電極であって、前記アンビル組立部電極は、前記使い捨て切断／ステープルユニットが前記外科切断／ステープル装置に着脱自在に接続されたときに、前記電源から電力を受け取るように構成されている、電極と、
前記使い捨て切断／ステープルユニットのステープルカートリッジ組立部に配置された少なくとも１つの電極であって、前記カートリッジ組立部電極は、前記使い捨て切断／ステープルユニットが前記外科切断／ステープル装置に着脱自在に接続されたときに、前記電源から電力を受けるように構成されている、電極と、
を具備する、電気エネルギー伝送システム。
（２０）電気エネルギー伝送システムを有する外科切断／ステープル装置において、
電源を内部に含むハンドル部であって、前記電源が、高周波電源を含む、ハンドル部と、
前記ハンドル部に接続された実施部であって、前記実施部に使い捨て切断／ステープルユニットを着脱自在に接続するように構成されたシャフトを有する、実施部と、
アンビル組立部、およびカートリッジ組立部を含む前記使い捨て切断／ステープルユニットであって、前記アンビル組立部または前記カートリッジ組立部の少なくとも一方に配置された少なくとも１つの電極を含み、前記電極は、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたときに、前記電源から電力を受け取るように構成されていて、前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部は、電気的に接地されている、前記使い捨て切断／ステープルユニットと、
を具備し、
前記使い捨て切断／ステープルユニットは、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたときに、前記シャフト上に配置された電気接点のセットと電気回路を形成するように、前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、
外科切断／ステープル装置。
Claims (12)
- 着脱自在に接続可能な使い捨て切断／ステープルユニットを含む外科切断／ステープル装置と共に用いるように構成された電気エネルギー伝送システムにおいて、
電源と、
前記使い捨て切断／ステープルユニットのアンビル組立部またはカートリッジ組立部の少なくとも一方に配置された少なくとも１つの電極であって、前記使い捨て切断／ステープルユニットを前記外科切断／ステープル装置に着脱自在に接続したときに、前記電源から電力受け取るように構成された、少なくとも１つの電極と、
を具備する、電気エネルギー伝送システム。 - 請求項１に記載の電気エネルギー伝送システムにおいて、
前記電源が高周波電源を含む、電気エネルギー伝送システム。 - 請求項１に記載の電気エネルギー伝送システムにおいて、
前記使い捨て切断／ステープルユニットであって、前記外科切断／ステープル装置のシャフトに前記使い捨て切断／ステープルユニットを着脱自在に接続したときに、前記シャフト上に配置された電気接点のセットと電気回路を形成するように、前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、前記使い捨て切断／ステープルユニット、
をさらに具備する、電気エネルギー伝送システム。 - 請求項１に記載の電気エネルギー伝送システムにおいて、
前記組立部の電極は、前記アンビル組立部に形成された複数のステープル受け用凹部にほぼ隣接して配置されたアンビル組立部電極を含む、電気エネルギー伝送システム。 - 請求項１に記載の電気エネルギー伝送システムにおいて、
前記電極は、前記カートリッジ組立部内に収容されたステープルカートリッジ上に配置されたカートリッジ組立部電極を含む、電気エネルギー伝送システム。 - 請求項５に記載の電気エネルギー伝送システムにおいて、
前記カートリッジ組立部電極であって、前記ステープルカートリッジに形成された複数のステープル穴にほぼ隣接して配置されている、カートリッジ組立部電極、
をさらに具備する、電気エネルギー伝送システム。 - 請求項１に記載の電気エネルギー伝送システムにおいて、
前記電源と操作可能に連動するトリガーであって、前記電源を手動で始動できるように構成されたトリガー、
をさらに具備する、電気エネルギー伝送システム。 - 請求項１に記載の電気エネルギー伝送システムにおいて、
前記電源であって、前記外科切断／ステープル装置の始動に関連して自動的に作動し、電気エネルギーを発生するように構成された、前記電源、
をさらに具備する、電気エネルギー伝送システム。 - 請求項１に記載の電気エネルギー伝送システムにおいて、
前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部が電気的に接地されている、電気エネルギー伝送システム。 - 電気エネルギー伝送システムを有する外科切断／ステープル装置において、
電源を内部に含むハンドル部と、
前記ハンドル部に接続された実施部であって、使い捨て切断／ステープルユニットを着脱自在に接続するように構成されたシャフトを含む、実施部と、
アンビル組立部、およびカートリッジ組立部を含む前記使い捨て切断／ステープルユニットであって、前記アンビル組立部または前記カートリッジ組立部の少なくとも一方には、少なくとも１つの電極が配置されており、この組立部の電極は、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたとき、前記電源から電力を受け取るように構成されている、使い捨て切断／ステープルユニットと、
を具備する、装置。 - 着脱自在に接続可能な使い捨て切断／ステープルユニットを含む外科切断／ステープル装置と共に用いるように構成された電気エネルギー伝送システムにおいて、
電源であって、高周波電源を含む、電源と、
前記使い捨て切断／ステープルユニットのアンビル組立部に配置された少なくとも１つの電極であって、前記アンビル組立部電極は、前記使い捨て切断／ステープルユニットが前記外科切断／ステープル装置に着脱自在に接続されたときに、前記電源から電力を受け取るように構成されている、電極と、
前記使い捨て切断／ステープルユニットのステープルカートリッジ組立部に配置された少なくとも１つの電極であって、前記カートリッジ組立部電極は、前記使い捨て切断／ステープルユニットが前記外科切断／ステープル装置に着脱自在に接続されたときに、前記電源から電力を受け取るように構成されている、電極と、
を具備する、電気エネルギー伝送システム。 - 電気エネルギー伝送システムを有する外科切断／ステープル装置において、
電源を内部に含むハンドル部であって、前記電源が、高周波電源を含む、ハンドル部と、
前記ハンドル部に接続された実施部であって、前記実施部に使い捨て切断／ステープルユニットを着脱自在に接続するように構成されたシャフトを有する、実施部と、
アンビル組立部、およびカートリッジ組立部を含む前記使い捨て切断／ステープルユニットであって、前記アンビル組立部または前記カートリッジ組立部の少なくとも一方に配置された少なくとも１つの電極を含み、前記電極は、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたときに、前記電源から電力を受け取るように構成されていて、前記アンビル組立部またはカートリッジ組立部の一方の少なくとも一部は、電気的に接地されている、前記使い捨て切断／ステープルユニットと、
を具備し、
前記使い捨て切断／ステープルユニットは、前記使い捨て切断／ステープルユニットが前記シャフトに着脱自在に接続されたときに、前記シャフト上に配置された電気接点のセットと電気回路を形成するように、前記使い捨て切断／ステープルユニットに配置された電気接点のセットを有する、
外科切断／ステープル装置。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/268,290 US20070102472A1 (en) | 2005-11-04 | 2005-11-04 | Electrosurgical stapling instrument with disposable severing / stapling unit |
| US11/268,290 | 2005-11-04 |
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| JP2007125395A true JP2007125395A (ja) | 2007-05-24 |
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| EP (1) | EP1782743B1 (ja) |
| JP (1) | JP5398951B2 (ja) |
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| US7407078B2 (en) * | 2005-09-21 | 2008-08-05 | Ehthicon Endo-Surgery, Inc. | Surgical stapling instrument having force controlled spacing end effector |
| US7472815B2 (en) * | 2005-09-21 | 2009-01-06 | Ethicon Endo-Surgery, Inc. | Surgical stapling instruments with collapsible features for controlling staple height |
| US7328828B2 (en) * | 2005-11-04 | 2008-02-12 | Ethicon Endo-Surgery, Inc, | Lockout mechanisms and surgical instruments including same |
| US20080029573A1 (en) * | 2006-08-02 | 2008-02-07 | Shelton Frederick E | Pneumatically powered surgical cutting and fastening instrument with replaceable power sources |
| US7740159B2 (en) * | 2006-08-02 | 2010-06-22 | Ethicon Endo-Surgery, Inc. | Pneumatically powered surgical cutting and fastening instrument with a variable control of the actuating rate of firing with mechanical power assist |
| US20080029574A1 (en) * | 2006-08-02 | 2008-02-07 | Shelton Frederick E | Pneumatically powered surgical cutting and fastening instrument with actuator at distal end |
| US7665647B2 (en) * | 2006-09-29 | 2010-02-23 | Ethicon Endo-Surgery, Inc. | Surgical cutting and stapling device with closure apparatus for limiting maximum tissue compression force |
-
2005
- 2005-11-04 US US11/268,290 patent/US20070102472A1/en not_active Abandoned
-
2006
- 2006-10-18 AU AU2006230675A patent/AU2006230675B2/en not_active Ceased
- 2006-10-30 CA CA2566671A patent/CA2566671C/en not_active Expired - Fee Related
- 2006-10-31 MX MXPA06012629A patent/MXPA06012629A/es active IP Right Grant
- 2006-11-02 JP JP2006299328A patent/JP5398951B2/ja not_active Expired - Fee Related
- 2006-11-02 AT AT06255647T patent/ATE425710T1/de not_active IP Right Cessation
- 2006-11-02 CN CN2006101432008A patent/CN101066217B/zh not_active Expired - Fee Related
- 2006-11-02 DE DE602006005762T patent/DE602006005762D1/de active Active
- 2006-11-02 EP EP06255647A patent/EP1782743B1/en active Active
- 2006-11-03 BR BRPI0604525-1A patent/BRPI0604525A/pt not_active Application Discontinuation
-
2007
- 2007-07-26 HK HK07108139.8A patent/HK1103611A1/xx not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000271137A (ja) * | 1999-03-19 | 2000-10-03 | Olympus Optical Co Ltd | 処置具 |
| JP2001017385A (ja) * | 1999-07-02 | 2001-01-23 | Olympus Optical Co Ltd | 手術具 |
| JP2004525718A (ja) * | 2001-04-20 | 2004-08-26 | パワー メディカル インターベンションズ，インコーポレイテッド | 双極性の又は超音波の外科用装置 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010536398A (ja) * | 2007-08-14 | 2010-12-02 | オリンパスメディカルシステムズ株式会社 | 治療用処置具 |
| JP2015083141A (ja) * | 2007-11-28 | 2015-04-30 | コヴィディエン・アクチェンゲゼルシャフト | コードレスのパワーアシスト医療用焼灼および切断装置 |
| US9532829B2 (en) | 2007-11-28 | 2017-01-03 | Covidien Ag | Cordless medical cauterization and cutting device |
| US10022180B2 (en) | 2007-11-28 | 2018-07-17 | Covidien Ag | Cordless medical cauterization and cutting device |
| JP2010000341A (ja) * | 2008-05-05 | 2010-01-07 | Tyco Healthcare Group Lp | 締め付け具を備えた外科用器具 |
| US9782217B2 (en) | 2008-11-13 | 2017-10-10 | Covidien Ag | Radio frequency generator and method for a cordless medical cauterization and cutting device |
| US10987158B2 (en) | 2008-11-13 | 2021-04-27 | Covidien Ag | Radio frequency surgical system |
Also Published As
| Publication number | Publication date |
|---|---|
| MXPA06012629A (es) | 2007-05-03 |
| CA2566671C (en) | 2019-02-12 |
| HK1103611A1 (en) | 2007-12-28 |
| AU2006230675A1 (en) | 2007-05-17 |
| EP1782743B1 (en) | 2009-03-18 |
| EP1782743A1 (en) | 2007-05-09 |
| DE602006005762D1 (de) | 2009-04-30 |
| AU2006230675B2 (en) | 2012-03-01 |
| CA2566671A1 (en) | 2007-05-03 |
| BRPI0604525A (pt) | 2007-08-28 |
| JP5398951B2 (ja) | 2014-01-29 |
| US20070102472A1 (en) | 2007-05-10 |
| ATE425710T1 (de) | 2009-04-15 |
| CN101066217B (zh) | 2010-12-01 |
| CN101066217A (zh) | 2007-11-07 |
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