JP2013540519A - ステープルカートリッジ - Google Patents

ステープルカートリッジ Download PDF

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JP2013540519A
JP2013540519A JP2013531684A JP2013531684A JP2013540519A JP 2013540519 A JP2013540519 A JP 2013540519A JP 2013531684 A JP2013531684 A JP 2013531684A JP 2013531684 A JP2013531684 A JP 2013531684A JP 2013540519 A JP2013540519 A JP 2013540519A
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ヒュイテマ・トーマス・ダブリュ
シーベナラー・ダグラス・ジェイ
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    • 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
    • A61B17/07207Surgical 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
    • 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
    • A61B17/0682Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil
    • AHUMAN NECESSITIES
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    • 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
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    • AHUMAN NECESSITIES
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    • 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
    • A61B2017/07271Stapler heads characterised by its cartridge
    • 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
    • A61B2017/07278Stapler heads characterised by its sled or its staple holder

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Abstract

ステープルカートリッジは、カートリッジ本体内に位置付けられる、複数のステープルを備えることができ、カートリッジ本体は、組織接触デッキと、該組織接触デッキから延在する複数の隆起部と、を備えることができる。隆起部は、使用中、組織がステープルカートリッジに対して移動することを防止するか、又はその可能性を低減するように構成され得る。ステープルカートリッジは更に、複数のステープル空洞を備えることができ、各ステープル空洞は、隆起部によって少なくとも部分的に囲繞されるデッキ内の開口部を備えることができる。隆起部は、均一の高さ、又はその長さに沿って異なる高さを備えることができる。高さは、カートリッジ本体の近位端及び遠位端に対して、及び/又はカートリッジ本体の中心と側面との間で異なることができる。

Description

本発明はステープル器具に関し、異なる実施形態において、1つ以上のステープルの列を生成するための外科用ステープル器具に関する。
ステープル器具は、一対の協働する細長い顎部材を含むことができ、各顎部材が患者の中に挿入され、ステープル留め及び切開される組織に対して位置付けられるように適合させることができる。様々な実施形態において、顎部材のうちの一方は、少なくとも2列の横方向に間隔をおいたステープルをその中に収容するステープルカートリッジを支持し、他方の顎部材は、ステープルカートリッジ内のステープル列と整列されたステープル形成ポケットを有するアンビルを支持することができる。概して、ステープル器具は更に、顎部材に対して摺動自在な押し込みバー及びナイフブレードを含んで、押し込みバー上のカム面及び/又は押し込みバーによって押し込まれるウェッジスレッド上のカム面を介してステープルカートリッジからステープルを連続的に放出することができる。少なくとも1つの実施形態において、カム面を、カートリッジが有する、ステープルに付随した複数のステープル駆動要素を作動させて、ステープルをアンビルに対して押し込み、顎部材の間に把持された組織に、横方向に間隔をおいた変形したステープルの列を形成するように構成することができる。少なくとも1つの実施形態において、ナイフブレードはカム面に追従して、ステープル列間の線に沿って組織を切開することができる。かかるステープル器具の例は、「SURGICAL STAPLES HAVING COMPRESSIBLE OR CRUSHABLE MEMBERS FOR SECURING TISSUE THEREIN AND STAPLING INSTRUMENTS FOR DEPLOYING THE SAME」と題する米国特許第7,794,475号に開示されており、その全体の開示は、参照のために本明細書に組み込まれる。
上述の議論は、当時の本発明の分野における関連技術の様々な態様を説明することのみを意図したものであり、特許請求の範囲を否定するものとみなされるべきではない。
少なくとも1つの形態において、ステープルカートリッジは、複数のステープル及びカートリッジ本体を備えることができる。カートリッジ本体は、組織接触デッキ、複数のステープル空洞を備えることができ、各ステープル空洞は、デッキ内に開口部を備え、ステープルは、各ステープル空洞内に位置付けられる。カートリッジ本体は更に、組織接触デッキから延在する複数の隆起部を備えることができ、各開口部は、隆起部によって少なくとも部分的に囲繞される。
少なくとも1つの形態において、ステープルカートリッジは、複数のステープル及びカートリッジ本体を備えることができる。カートリッジ本体は、中間部分と、側面部分と、組織接触デッキと、複数のステープル空洞(ステープルは、各ステープル空洞内に位置付けられる)と、組織接触デッキから延在する複数の隆起部(各隆起部は、カートリッジ本体の中間部分と側面部分との間に延在する)と、を備えることができる。
少なくとも1つの形態において、ステープルカートリッジは、複数のステープル及びカートリッジ本体を備えることができる。カートリッジ本体は、近位端と、遠位端と、組織接触デッキと、複数のステープル空洞(ステープルは、各ステープル空洞内に位置付けられる)と、組織接触デッキから延在する複数の隆起部(各隆起部は、近位の高さと遠位の高さとの間で異なる高さを備え、近位の高さは、遠位の高さよりも近位端に近い)と、を備えることができる。
前述した考察は、特許請求の範囲を否定するものと解釈されるべきではない。
本明細書に記載される実施形態の様々な特徴が、特許請求の範囲で詳細に示される。ただし、構成及び作動方法の両方に関する様々な実施形態は、それらの利点と共に、以下の添付図面を伴う以下の説明により理解することができる。
外科用ステープル器具の立面図。 図1の2−2線に沿った図1の外科用ステープル器具のエンドエフェクタの断面図。 図1のエンドエフェクタの断面斜視図。 図1のエンドエファクタの断面図。非発射構造の中に収容されるステープルを図示する。 発射構成の図4のステープルを図示する図。 組織をステープル留めし、切断するために使用されている図1のエンドエファクタを図示する図。 カートリッジ本体から延在する複数の隆起部を備える、少なくとも1つの実施形態によるステープルカートリッジの斜視図。 図7のステープルカートリッジの詳細図。 図7のステープルカートリッジの断面図。 図7のステープルカートリッジ内に画定されるステープル空洞内に位置付けられるステープルを図示する詳細図。 カートリッジ本体から延在する複数の隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 カートリッジ本体から延在する複数の隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 カートリッジ本体内に画定されるステープル空洞開口部の近位端及び遠位端を囲繞する複数の隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 カートリッジ本体内に画定されるステープル空洞開口部の近位端及び遠位端を囲繞する複数の隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 カートリッジ本体から延在する複数の刻み加工された隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 カートリッジ本体から延在する複数の刻み加工された隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 少なくとも1つの実施形態によるピラミッド形の刻みの斜視図。 少なくとも1つの実施形態による円錐台形の刻みの斜視図。 少なくとも1つの実施形態による三角形の刻みの斜視図。 カートリッジ本体内に画定されるステープル空洞開口部を完全に囲繞する複数の隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 カートリッジ本体内に画定されるステープル空洞開口部を完全に囲繞する複数の隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの部分的斜視図。 カートリッジ本体から延在する複数の細長い隆起部を備える、少なくとも1つの代替的実施形態によるステープルカートリッジの斜視図。 図17のステープルカートリッジの詳細図。
対応する参照符合は、複数の図面を通じて対応する部材を示す。本明細書において説明される例示は、本発明の様々な実施形態を一形態にて例示し、このような例示は、いかなる方法によっても本発明の範囲を限定するものとして解釈されない。
明細書に記載され、添付の図面に示される実施形態の全体的な構造、機能、製造及び使用の完全な理解をもたらすように多数の具体的詳細が示される。しかしながら、実施形態はそのような具体的詳細なくして実施され得ることが、当業者には理解される。他の例においては、周知の作動、構成要素、及び要素は、明細書に記載される実施形態を不明瞭にしないようにするため詳細に記載されていない。本明細書に記載及び図示される実施形態は非限定例であることが当業者に理解され、それ故、本明細書に開示される特定の構造及び機能の詳細は典型及び例示であり得ることが理解されるであろう。これに対する変形と変更は、特許請求の範囲を逸脱することなく行なわれることがある。
本明細書全体を通して、「様々な実施形態」、「いくつかの実施形態」、「一実施形態」、又は「実施形態」等の参照は、その実施形態との関連において記述されている特定の特徴、構造、又は特性が、少なくとも1つの実施形態に含まれることを意味する。したがって、本明細書全体を通して複数の場所に出現する「様々な実施形態では」、「いくつかの実施形態では」、「一実施形態では」、又は「実施形態では」等のフレーズは、必ずしも全てが同一の実施形態を指すものではない。更に、特定の特徴、構造、又は特性は、1つ以上の実施形態で、任意の好適なやり方で組み合わせることができる。故に、一実施形態に関して図示又は記載される特定の特徴、構造、又は特性は、1つ以上の他の実施形態の特徴、構造、又は特性と、全体として又は部分的に、制限なしに組み合わせることができる。更に、簡潔にするため、また明確にするために、例えば、「垂直」、「水平」、「上」、及び「下」等、空間に関する用語は、本明細書において、図示した実施形態を基準にして使用できることが理解できる。しかしながら、これらの用語は、読者を補助するために使用され、制限かつ絶対的であることを意図しない。
図1を参照すると、外科用ステープル及び切断器具10は、外科部位内に実装部分14を位置付けるために、操作することができるハンドル部分12を含むことができる。様々な実施形態において、実装部分14は、細長いシャフト18に取り付けられるエンドエフェクタ16を含むことができる。様々な実施形態において、実装部分14は、例えば、内視鏡又は腹腔鏡外科手術を実行するために、トロカールのカニューレ(図示せず)を介して、外科部位内に挿入されるように寸法決定し、構成することができる。エンドエフェクタ16は、上部顎又はアンビル20と下部顎22とを備えることができ、アンビル20は、ハンドル部分12の閉鎖トリガ24がハンドル部分12のピストルグリップ26に向かって移動又は押圧されるとき、開口位置と閉口位置との間で移動することができる。様々な実施形態において、閉鎖トリガ24の押圧は、細長いシャフト18の外側閉口スリーブ28を前進させることができ、外側閉口スリーブ28は、アンビル20に接触し、アンビル20をその閉口位置に旋回することができる。ある特定の状況において、外科医は、シャフト回転ノブ30を捻ることによって実装部分14を、その長手方向軸の周囲で回転させてもよい。いずれの事象においても、例えば、エンドエフェクタ16が、吹き込まれた体腔内に挿入されると、閉鎖トリガ24が解放され得、それによって、アンビル20がばね(図示せず)によって開口に偏向され、標的組織に対して位置付けられることが可能になる。様々な実施形態において、閉鎖トリガ24は、その押圧状態に係止することができ、少なくとも1つの実施形態において、ハンドル部分12は更に、押圧されて閉鎖トリガ24を被係止することができる係止解放作動装置44を備えることができる。アンビル20及び下部顎22が、外科部位内の組織に対して好適に位置付けられると、閉鎖トリガ24は、アンビル20を閉口し、組織を底部顎22に取り付けられたステープルカートリッジ42に対して圧縮するために再度押圧することができる。
アンビル20が閉口されると、発射トリガ32は、発射部材に発射力又は動作を印加し、発射部材を非発射位置から前進させるために、閉鎖トリガ24及びピストルグリップ26に向かって、抜脱又は押圧することができる。様々な実施形態おいて、発射部材は、遠位発射バー36に取り付けられる近位発射ロッド34を備えることができる。少なくとも1つのかかる実施形態において、発射ロッド34及び/又は発射バー36は、ハンドル部分12とエンドエフェクタ16との間に延在することができる、シャフト18内の枠38内に支持され得る。発射部材に印加された発射動作の結果、発射バー36は、下部顎22の細長いステープルカートリッジチャネル40及びカートリッジチャネル40内に位置付けられたステープルカートリッジ42内で遠位に前進することができる。様々な実施形態において、図2を参照すると、発射バー36は、エンドエフェクタ16内で並進することができるEビーム50に取り付けられる取り付け部分48を備えることができる。Eビーム50は、アンビル20内の組織接触表面60を通って延在する狭い長手方向のアンビルスロット58を通過することができる垂直部分52と、ステープルカートリッジ42内の狭い垂直スロット62と、Eビーム50が遠位に前進したとき、細長いステープルチャネル40内の狭い長手方向のチャネルスロット64と、を備えることができる。ここで図2及び3を参照すると、アンビルスロット58は、アンビル20内に上方に延在することができ、垂直部分52から横方向に延在する上部ピン54を受容するように寸法決定され、構成される横方向に拡大した長手方向のチャネル66内に開口する末端部を備えることができる。同様に、チャネルスロット64は、チャネル40内に下方に延在することができ、垂直部分52から横方向に延在する、1つ以上の下部脚70を受容するように寸法決定され構成される、横方向に拡大した長手方向のチャネル68内に開口する末端部を備えることができる。
様々な実施形態において、上述に加え、Eビーム50は更に、垂直部分52から横方向に延在することができ、ステープルカートリッジ42の底部トレイ74の上面に沿って摺動するように構成することができる、1つ以上の中間ピン72を備えることができる。ある特定の実施形態において、中間ピン72は、ステープルカートリッジ42を着座させるように、又はステープルカートリッジ42がチャネル40内に確実に着座したままであるように、構成することができる。底部トレイ74上のステープルカートリッジ42内に形成された長手方向の発射凹部75は、中間ピン72をステープルカートリッジ42を通って並進させるように寸法決定される。様々な実施形態において、Eビーム50は更に、ステープルカートリッジ42内の垂直スロット62を通って並進し、ウェッジスレッド78をステープルカートリッジ42を通って遠位に駆動するように構成することができる、遠位駆動面76を備えることができる。ある特定の実施形態において、ウェッジスレッド78は、Eビーム50内に一体化して形成することができるが、他の実施形態において、ウェッジスレッド78は、ステープルカートリッジ42内に存在することができ、Eビーム50が遠位に前進すると、駆動面76が接触することができる。Eビーム50の垂直部分52は更に、組織46がステープル留めされると、固定された組織46として機能する、遠位の駆動面76の上及び上部ピン54の下の遠位縁に沿って延在する切断面80を備えることができる。ここで図4を参照すると、ウェッジスレッド78は、1つ以上のステープル駆動要素82を係合し、ステープル駆動要素82をアンビル20に向かって上方に駆動するように構成することができる。様々な実施形態において、例えば、ステープル83等のステープルは、ステープル駆動要素82が上方に持ち上げられると、ステープル83も上方に持ち上がることができるように、ステープル駆動要素82上に着座すること、及び/又は別様に、それによって支持することができる。少なくとも1つのかかる実施形態において、ステープル83もまた、ステープルカートリッジ42のステープルカートリッジ本体85内のステープル空洞又はポケット84内に少なくとも部分的に位置付けることができ、ステープル83が上方に持ち上げられると、ステープル83は、アンビル20と接触することができ、ステープル空洞84から放出され得る。少なくとも1つの実施形態において、図4を再度参照すると、上述のように、ステープル83がステープルカートリッジから展開するまで、ステープル駆動要素82及びステープル83をステープルカートリッジ42内に保持するために、底部トレイ74をカートリッジ本体85に取り付けることができる。
ここで図5及び6を参照すると、使用中、アンビル20が組織上で閉口するとき、アンビル20の組織接触面60及びステープルカートリッジ42の組織接触デッキ90が、組織46を圧縮されていない厚さ91と圧縮された厚さ92との間で圧縮することができるように、アンビル20を、組織46のうちの一方の側面上に位置付けることができ、底部顎22を、組織46の反対の側面上に位置付けることができる。組織46をステープル留めし、切断するために、上述のように、ウェッジスレッド78は、ステープル駆動要素82をアンビル20に向かって持ち上げ、ステープル83を変形させるために、ステープルカートリッジ42内で遠位に前進することができる。様々な実施形態において、各ステープル駆動要素82は、ステープル83の基部87を受容し、それを定位置に解放可能に把持するように構成することができる、中に画定された1つ以上のスロットを備えることができる。少なくとも1つのかかる実施形態において、各ステープル83は、基部87から延在するステープル脚88を備えることができ、ステープル脚88は、ステープル空洞84内に上方に延在することができる。様々な実施形態において、ステープル脚88の先端は、ステープル83がそれらの非発射位置にあるとき、カートリッジ本体85のデッキ又は組織接触面90に対して陥凹することができる。ステープル83が駆動要素82によって上方に持ち上げられると、ステープル脚88の先端は、ステープル空洞84から出現し、組織46を貫通し、ステープル空洞84の反対に位置付けられたアンビル形成ポケット89に接触することができる。アンビル形成ポケット89は、ステープル83を、例えば、図5に示されるB型形状等の任意の好適な形状に変形するように構成することができる。ステープル83が展開されると、ここで図6を参照すると、刃先80は、ステープル留めされた部分94内の組織46を切断することができる。
上述のように、エンドエフェクタの顎部材は、ステープル留めされる組織に圧縮力又は力を印加するように構成することができる。様々な状況において、しかしながら、組織は、例えば、滑りやすい場合があり、組織の少なくとも一部分は、顎部材に対して摺動する場合がある。ある特定の状況において、組織は、エンドエフェクタの遠位端から外に長手方向に摺動する、及び/又はエンドエフェクタの側面から外に長手方向に対して直角の方向に摺動する場合がある。いくつかの状況において、組織の部分は、組織が圧縮されるとき、エンドエフェクタの遠位端及び/又はエンドエフェクタの側面から外に絞り出すことができる。本明細書に開示される様々な実施形態において、ステープルカートリッジは、エンドエフェクタ内に位置付けられた組織がエンドエフェクタに対して移動する可能性を防止、又は少なくとも低減するように構成することができる、1つ以上の組織保持機能を備えることができる。
様々な実施形態において、ここで図7及び8を参照すると、例えば、ステープルカートリッジ142等のステープルカートリッジは、カートリッジ本体185と、例えば、カートリッジ本体185内に位置付けられた、ステープル187(図9)等の複数のステープルと、を備えることができる。カートリッジ本体185は、近位端141と遠位端143とを備えることができ、近位端141は、ステープルカートリッジチャネルの近位端内に挿入されるように構成することができ、遠位端143は、ステープルカートリッジチャネルの遠位端内に挿入されるように構成することができる。少なくとも1つの実施形態において、カートリッジ本体185は、ステープル187を中に受容するようにそれぞれ構成することができる、複数のステープル空洞184を備えることができる。ある特定の実施形態において、図示されないが、ステープル空洞は、中に位置付けられた1つ以上のステープルを備えることができる。任意の事象において、ステープル空洞184は、カートリッジ本体185内の複数の列に配置することができる。より具体的には、少なくとも1つの実施形態において、ステープル空洞184は、例えば、カートリッジ本体185の第1の側面145上の3つのステープル列内、及び例えば、カートリッジ本体185の第2の側面147上の3つのステープル列内に配置することができる。少なくとも1つのかかる実施形態において、カートリッジ本体185の第1の側面145及び第2の側面147は、中に切断部材を摺動自在に受容するように構成することができる、ナイフスロット162によって分離することができる。様々な他の実施形態において、カートリッジは、例えば、ナイフスロット162の各側面上に、2つのステープル列又は4つのステープル列等の任意の他の好適な数のステープル列を備えることができる。図9を参照すると、様々な実施形態において、ステープルカートリッジ142は更に、ステープル187を支持し、及び/又はステープル187をステープル空洞184から放出するように構成された、複数のステープル駆動要素182を備えることができる。ある特定の実施形態において、各ステープル空洞184は、ステープル187が通って放出することができる、カートリッジ本体185のデッキ190内の開口端、又は開口部110を備えることができる。
様々な実施形態において、主に図8を参照すると、ステープル空洞184は、それらが互いに対して長手方向に互い違いになるように配列することができる。例えば、カートリッジ本体185の第1の側面145上のステープル空洞184は、例えば、ステープル空洞184の最内部の列、ステープル空洞184の中間列、ステープル空洞184の最外部の列に配列することができ、1つの列内のステープル空洞184は、他の列のうちの1つ又は両方内のステープル空洞184と横断して整合されなくてもよい。少なくとも1つの実施形態において、各ステープル空洞184は、近位端111と遠位端112とを備えることができ、各ステープル空洞184の近位端111は、遠位端112よりもカートリッジ本体185の近位端141に近く位置付けることができる。同様に、各空洞184の遠位端112は、近位端111よりもカートリッジ本体185の遠位端143に近く位置付けることができる。様々な実施形態において、ステープル空洞184の最内部列は、最内部列内のステープル空洞184の遠位端112がステープル空洞184の中間列内のステープル空洞184の遠位端112に対して遠位に位置付けられるように、位置付けることができる。同様に、ステープル空洞184の最外部列は、最外部列内のステープル空洞184の遠位端112が、ステープル空洞184の中間列内のステープル空洞の遠位端112に対して遠位に位置付けられるように、位置付けることができる。例えば、最内部列内の最遠位のステープル空洞184は、中間列内の最遠位のステープル空洞184に対して遠位に位置付けることができ、同様に、最外部列内の最遠位のステープル空洞184は、中間列内の最遠位のステープル空洞184に対して遠位に位置付けることができる。ある特定の実施形態において、最内部列のステープル空洞184及び最外部列のステープル空洞184は、1つ目に、最内部のステープル空洞184の遠位端112が、最外部ステープル空洞184の遠位端と整合され、2つ目に、内部のステープル空洞184の近位端111が、最外部ステープル空洞184の近位端111と整合されるように、互いに横断して整合することができる。様々な実施形態において、各ステープル空洞184、及びそれらの開口部110は、同一の、又は少なくともほぼ同一の構成を有することができ、少なくとも1つの実施形態において、ステープル空洞184は、ステープル列内の互いに対して等距離に、又は少なくとも実質的に等距離に間隔を置くことができる。
様々な実施形態において、図7及び8を再度参照すると、ステープルカートリッジ142のカートリッジ本体185は更に、例えば、標的組織に接触し、圧縮するように構成することができる、隆起部113、114、及び115等の1つ以上の隆起部を備えることができる。より具体的には、ここで図8Aを参照すると、エンドエフェクタのアンビル120は、組織Tをステープルカートリッジ142に対して圧縮するために、閉口することができ、かかる状況において、組織接触デッキ190及びそこから延在する隆起部113、114、及び115は、組織に係合することができる。アンビル120が閉口すると、ある特定の状況において、アンビル120は、組織が最初に隆起部113、114、及び115に接触し、次いで、カートリッジデッキ190に接触するように、組織をステープルカートリッジ142に向かって押し込むことができる。他の状況において、ステープルカートリッジ142は、組織がカートリッジデッキ190によって接触される前に、隆起部113、114、及び115が組織に接触するように、組織に対して位置付けることができる。任意の事象において、組織と接触すると、隆起部113、114、及び115は、組織とステープルカートリッジ142との間の相対的移動を防止、又は少なくとも制限することができる。ある特定の実施形態において、隆起部113、114、及び115は、平坦、又は少なくとも実質的に平坦なカートリッジデッキ190から上方に延在することができ、例えば、中の組織の一部分を受容するように構成することができる1つ以上のポケット又はチャネルを画定することができ、その結果、特に、組織がアンビル120と隆起部113、114、及び115との間で少なくとも部分的に圧縮されるとき、エンドエフェクタの長手方向及び/又は横断方向の組織の相対的移動を阻害する。様々な実施形態において、隆起部113、114、及び115がカートリッジデッキ190の上に延在すると、アンビル120と隆起部113、114、及び115の中間に位置付けられた組織は、アンビル120とカートリッジデッキ190との中間に位置付けられた組織が圧縮される前に、圧縮することができる。いくつかのかかる状況において、その結果、アンビル120と隆起部113、114、及び115との中間に位置付けられた組織は、事前に圧縮することができる、すなわち、アンビル120とカートリッジデッキ190との中間に位置付けられた組織の他の部分が圧縮される前に、少なくとも部分的に圧縮することができる。この事前の圧縮のため、様々な状況において、組織の部分は、下記により詳細に説明されるように、組織が完全に圧縮される前に、エンドエフェクタから滑り出るのを制御又は防止することができる。
様々な実施形態において、図7及び8を再度参照すると、カートリッジデッキ190から延在する隆起部113は、ステープル空洞開口部110の近位端111の周囲に延在することができる。同様に、カートリッジデッキ190から延在する隆起部114は、ステープル空洞開口部110の遠位端112の周囲に延在することができる。これらの近位隆起部113及び遠位隆起部114は、様々な実施形態において、ステープル空洞184の上、及び/又は周囲に位置付けられた組織に係合し、組織が圧縮及び/又はステープル留めされると、組織のこれらの部分を定位置に把持するように構成することができる。別言すれば、ステープル空洞184の上に位置付けられた、及び/又はそれを囲繞する組織を把持することは、ステープル留めされる組織の部分にわたる局部的制御を提供することができ、その結果、組織のこれらの部分とステープルカートリッジ142との間の相対的移動を防止、又は少なくとも制限することができる。様々な実施形態において、隆起部113及び114は、ステープル空洞184の全ての、又はステープル空洞184のいくつかのみの開口部110の周囲に位置付けることができる。少なくとも1つの実施形態において、カートリッジ本体は、第1及び第2の側面145及び147の最外部列内のステープル空洞184のみを囲繞する隆起部113と114とを備えてもよい。かかる実施形態において、ステープル空洞184の最外部列を囲繞する隆起部は、エンドエフェクタ内の組織の横方向の移動を阻害するのに十分であってもよい。ある特定の実施形態において、カートリッジ本体は、最近位のステープル空洞184の近位端111を囲繞する近位隆起部113、及び最遠位のステープル空洞184の遠位端112を囲繞する遠位隆起部114のみを備えてもよい。かかる実施形態において、最近位及び最遠位のステープル空洞184を囲繞する隆起部は、エンドエフェクタ内の組織の長手方向の移動を阻害するのに十分であってもよい。
様々な実施形態において、上述に加えて、各近位隆起部113は、例えば、開口部110の近位端111を囲繞する、弓状又は湾曲プロファイルを備えることができる。各近位隆起部113の弓状プロファイルは、1つの曲率半径、又は1つ以上の曲率半径によって画定することができる。同様に、各遠位隆起部114は、例えば、開口部110の遠位端112を囲繞する、弓状又は湾曲プロファイルを備えることができる。各遠位隆起部114の弓状プロファイルは、1つの曲率半径、又は1つ以上の曲率半径によって画定することができる。ある特定の実施形態において、上述に加えて、各隆起部113及び114は、圧縮される組織の一部分を受容することができるポケットを形成し、その組織の部分が、ステープルカートリッジ142に対して長手方向に、及び/又は横断方向に移動するのを防止することができる。様々な実施形態において、ステープルカートリッジ142は更に、ステープル空洞184の隣接した列内の隣接した隆起部113と114との間に延在する、及び/又はそれらを接続することができる、中間隆起部115を備えることができる。少なくとも1つのかかる実施態において、1つ以上の隆起部113、114、及び115は、動作可能に、カートリッジ本体185の第1の側面145又は第2の側面147にわたって延在する起伏する隆起部を形成することができ、少なくとも1つの実施形態において、起伏する隆起部は、カートリッジ本体142の中心部分と側面部分との間に延在することができる。様々な実施形態において、各起伏する隆起部は、例えば、ステープル空洞184の近位端及び遠位端の周囲に曲がりくねった複数の波部分を備えることができる。様々な実施形態において、各隆起部113、114、及び115は、カートリッジデッキ190から画定された高さを備えることができ、ある特定の実施形態において、各隆起部113、114、及び115の高さは、その長さにわたって均一、又は少なくとも実質的に均一であることができる。少なくとも1つの実施形態において、各隆起部113、114、及び115は、同一、又は少なくとも実質的に同一の高さを有することができる。
様々な実施形態において、上述のように、ステープルカートリッジ本体内に画定されたステープル空洞は、中に位置付けられたステープルを備えることができ、ステープルの全体は、ステープルがその非発射位置にあるとき、カートリッジデッキの上面又は組織接触面の下に位置付けることができる。ある特定の他の実施形態において、例えば、ステープル脚の先端等のステープルの少なくとも一部分は、ステープルがそれらの非発射位置にあるとき、カートリッジデッキの上面又は組織接触面の上に延在することができる。いくつかのかかる実施形態において、ステープルの先端は、デッキから突出することができ、ステープルカートリッジが外科部位内に挿入されると、組織上にひっかかってもよい。少なくとも1つの実施形態において、ここで図9を参照すると、例えば、組織接触カートリッジデッキ190の上に延在する隆起部113及び114は、それらが、非発射位置でカートリッジデッキ190の上に延在するとき、ステープル187のステープル脚183を少なくとも部分的に囲繞し、保護することができる。隆起部113及び114が各開口部110の周囲に完全に延在し得ないが、様々な実施形態において、組織がステープルカートリッジ142に対して圧縮される、及び/又はステープル187がステープルカートリッジ142から放出される前にステープル脚の先端が組織に接触しないように、近位隆起部113は、ステープル脚の先端のうちの1つを十分に囲繞してもよく、遠位隆起部114は、他のステープル脚の先端を十分に囲繞してもよい。少なくとも1つの実施形態において、ステープル脚の先端は、隆起部113及び114の上面116の下に位置付けることができる。ある特定の実施形態において、ステープル脚の先端は、隆起部113及び114の上面116と共通の面内に存在することができる。様々な実施形態において、例えば、隆起部113及び114によって生じた保護の結果、より高いステープルを有するステープルは、ステープルの先端がそれらの非発射位置でステープルカートリッジ142から突出することなく使用することができる。ある特定の実施形態において、図9を再度参照すると、隆起部113及び114は、ステープル187のステープル脚183が制御及び/又は支持することができる長さ、延在又は増大することができる。少なくとも1つのかかる実施形態において、各隆起部113及び114は、ステープル脚183がその3つの側面上で支持される長さ、延在又は増大することができる。かかる実施形態は、例えば、ステープル脚が気管支組織等の高密度組織を通って挿入されるとき、ステープル脚183が座屈する可能性を防止又は少なくとも低減することができる。
様々な実施形態において、図4を再度参照すると、カートリッジ本体85は、例えば、カートリッジ本体85の強度を低減することができる、中に画定された空洞84と、スロット62と、チャネル86と、を備えることができる。様々な状況において、特に、例えば、カートリッジ本体85がアンビル20によって圧縮されるとき、カートリッジ本体85は、そこに印加された荷重の結果、偏向することができる。少なくとも1つのかかる実施形態において、例えば、チャネル86を超えて延在するカートリッジデッキ90の部分は、特に薄くてもよく、特に偏向及び/又は破損にさらされてもよい。ある特定の実施形態において、図7及び8を再度参照すると、隆起部113、114、及び/又は115は、カートリッジ本体185を強化及び/又は硬化するように構成することができる。少なくとも1つのかかる実施形態において、例えば、隆起部113及び114は、ステープル空洞184を囲繞するカートリッジ本体185の部分を強化及び/又は硬化するために、開口部110の周囲に延在することができる。ある特定の実施形態において、例えば、隆起部115は、隆起部115がチャネル86を囲繞するカートリッジ本体185を強化及び/又は硬化することができるように、カートリッジ本体185内に画定されたチャネル86又は同等物にわたって横断方向に延在することができる。様々な他の実施形態において、カートリッジ本体185は、本明細書に記載される利点を達成するために、そこから延在する任意の好適な数及び構成の隆起部を備えることができる。
様々な実施形態において、ステープルカートリッジ本体185は、例えば、可塑性材料、金属性材料、及び/又はセラミック材料からなることができる。いくつかのかかる材料は、液晶ポリマー(例えば、Vectra等)、熱可塑性ポリマー(ポリカーボネート等)、ABS、Noryl、ポリアミド(ナイロン)、ポリエーテルスルホン、ポリエーテルイミド(例えば、Ultem)、及び/又は例えば、先述の熱可塑性ポリマーのうちの2つ以上のポリマーブレンドを含むことができ、様々な実施形態において、カートリッジ本体185は、例えば、射出成形によって形成することができる。いくつかのかかる材料は、熱硬化性ポリマー(例えば、熱硬化性ポリエステル)、焼き流し鋳造スチール網(例えば、17−4PH等)、及び/又は金属射出成形されたステンレス網(例えば、17−4PH等)を含むことができる。少なくとも1つのかかる実施形態において、隆起部113、114、及び/又は115は、カートリッジ本体185のカートリッジデッキ190と一体化して形成することができる。ある特定の実施形態において、隆起部113、114、及び/又は115は、例えば、少なくとも1つの接着剤によってカートリッジデッキ190に取り付けることができる。
様々な実施形態において、ここで図12を参照すると、例えば、ステープルカートリッジ342等のステープルカートリッジは、カートリッジ本体385と、カートリッジ本体385内に画定された複数のステープル空洞384と、ステープル空洞384のそれぞれの内に位置付けられたステープルと、を備えることができる。ある特定の実施形態において、カートリッジ本体385は更に、ステープル空洞384の第1の群を備える第1の側面345と、ステープル空洞384の第2の群を備える第2の側面347と、カートリッジデッキ390と、を備えることができる。様々な実施形態において、カートリッジ本体385は更に、ステープル空洞384の列内のステープル空洞384に隣接して中間に位置付けることができるカートリッジデッキ390から延在する複数の隆起部315を備えることができる。少なくとも1つの実施形態において、各隆起部315は、例えば、十字形状又はX形状の構成を備えることができる。少なくとも1つのかかる実施形態において、例えば、各隆起部315は、ステープル空洞開口部310の近位端311を少なくとも部分的に囲繞することができるV形状部分313と、加えて、別のステープル空洞開口部310の遠位端312を少なくとも部分的に囲繞することができるV形状部分314と、を備えることができる。ある特定の実施形態において、カートリッジ本体385内のステープル空洞384の最外部列のみは、隆起部315によって少なくとも部分的に囲繞することができる。ある特定の別の実施形態において、ここで図13を参照すると、ステープルカートリッジ本体385’は、カートリッジ本体内の全てのステープル空洞384の開口部310を少なくとも部分的に囲繞する隆起部315を備えることができる。任意の事象において、様々な実施形態において、各隆起部315は、上述のようにステープルカートリッジ342に対して位置付けられた組織を圧縮し、制御し、デッキ390の上に延在するステープルのステープル脚を囲繞するように構成することができる。
様々な実施形態において、ここで図16を参照すると、例えば、ステープルカートリッジ542等のステープルカートリッジは、カートリッジ本体585と、カートリッジ本体585内に画定された複数のステープル空洞584と、ステープル空洞584のそれぞれの内に位置付けられたステープルと、を備えることができる。ある特定の実施形態において、カートリッジ本体585は更に、ステープル空洞584の第1の群を備える第1の側面545と、ステープル空洞584の第2の群を備える第2の側面547と、カートリッジデッキ590と、を備えることができる。様々な実施形態において、カートリッジ本体585は更に、カートリッジデッキ590から延在する複数の隆起部515を備えることができ、各隆起部515は、ステープル空洞開口部510を完全に囲繞する、又は包含することができる。図16に図示されるように、カートリッジ本体585内のいくつかの空洞開口部510は、隆起部515によって囲繞されてもよく、様々な代替的実施形態において、ここで図16Aを参照すると、カートリッジ本体585’の全ての空洞開口部510は、隆起部515によって囲繞することができる。様々な実施形態は、カートリッジ本体が、隆起部515によって囲繞されるステープル空洞584の第1の群と、隆起部515によって囲繞されないステープル空洞584の第2の群と、を備え、より高いステープル又はより低いステープルのいずれも、ステープルカートリッジ542から突出しないように、より高いステープルの高さを有するステープルは、ステープル空洞584の第1の群内に位置付けることができ、より低いステープルの高さを有するステープルは、第2のステープル空洞584内に位置付けることができることを意図する。少なくとも1つのかかる実施形態において、例えば、カートリッジ本体は、より高いステープルをステープル空洞584の1つの列に、より低いステープルをステープル空洞584の別の列に採用するように構成することができる。ある特定の実施形態において、隆起部515は、例えば、より高いステープルがステープル空洞584の最外部列に採用され、より低いステープルが最内部列、及び/又は中間列に採用することができるように、カートリッジ本体内のステープル空洞584の最外部列内のステープル空洞584の全てを囲繞することができる。
様々な実施形態において、ここで図14を参照すると、例えば、ステープルカートリッジ442等のステープルカートリッジは、カートリッジ本体485と、カートリッジ本体485内に画定された複数のステープル空洞484と、ステープル空洞484のそれぞれの内に位置付けられたステープルと、を備えることができる。ある特定の実施形態において、カートリッジ本体485は更に、ステープル空洞484の第1の群を備える第1の側面445と、ステープル空洞484の第2の群を備える第2の側面447と、カートリッジデッキ490と、を備えることができる。様々な実施形態において、カートリッジ本体445は更に、カートリッジデッキ490から延在する複数の隆起部415を備えることができ、各隆起部415は、複数の刻みまたはそのアレイを備えることができる。使用中、組織が刻みの輪郭と一致するように、アンビルを採用して、組織を刻みに対して位置付けることができる。様々な実施形態において、各隆起部415は、例えば、1つ以上のステープル空洞開口部410を少なくとも部分的に囲繞する、複数のピラミッド形状又はダイモンド形状の刻みを備えることができ、少なくとも1つの実施形態において、ピラミッド形状の刻みは、カートリッジデッキ490から上方に突き出すことができる。少なくとも1つの実施形態において、各ピラミッド形の刻みは、共に集結して鋭い突起を形成することができる4つの三角形の側面を備えることができる。ある特定の実施形態において、図15Aを参照すると、隆起部415のピラミッド形の刻みは、切頭することができ、各刻みの上部は、傾斜した側面によって囲繞される平坦な上面を備えることができる。4面のピラミッド形の刻みを採用することができるが、ここで図15Cを参照すると、例えば、3面等の4面以下、又は4面以上の他のピラミッド形状が企図される。様々な実施形態において、1つ以上の隆起部415は、複数の円錐形の刻みを備えることができ、各円錐形の刻みは、上方に先細になり、鋭い突起を形成する、円形、又は少なくとも実質的に円形の基部を備えることができる。ある特定の実施形態において、ここで図15Bを参照すると、円錐形の刻みは、切頭することができ、各刻みの上部は、環状の側面によって囲繞される平坦な上面を備えることができる。様々な実施形態において、図14を再度参照すると、隆起部415の刻みは、ステープル空洞開口部410の横方向の側面に沿って、及び/又は隣接するステープル空洞開口部410との間に延在することができる。少なくとも1つの実施形態において、刻みは、ステープル空洞開口部410の近位端411、及び/又は遠位端412の周囲に延在することができる。ある特定の実施形態において、隆起部415の刻みは、ステープル空洞484のうちのいくつかのみを囲繞してもよく、ある特定の他の実施形態において、図15を参照すると、隆起部415の刻みは、例えば、カートリッジデッキ490の全て、又は少なくとも実質的に全てを被覆してもよい。
様々な実施形態において、ここで図10を参照すると、例えば、ステープルカートリッジ242等のステープルカートリッジは、カートリッジ本体285と、カートリッジ本体285内に画定された複数のステープル空洞284と、ステープル空洞284のそれぞれの内に位置付けられたステープルと、を備えることができる。ある特定の実施形態において、カートリッジ本体285は更に、ステープル空洞284の第1の群を備える第1の側面245と、ステープル空洞284の第2の群を備える第2の側面247と、カートリッジデッキ290と、を備えることができる。様々な実施形態において、カートリッジ本体285は更に、カートリッジデッキ290から延在する複数の隆起部又はバンプ215を備えることができる。少なくとも1つのかかる実施形態において、各隆起部215は、ナイフスロット262に隣接して位置付けられたカートリッジ本体245の中心部分又は中間部分と、カートリッジ本体245の外側部分との間と横断して延在することができる。より具体的には、カートリッジ本体285の第1の側面245を特に参照すると、各隆起部215は、ナイフスロット262に隣接して位置付けられる第1の端部213と、カートリッジ本体285の第1の側面261に隣接して位置付けられる第2の端部214と、を備えることができる。同様に、ここでカートリッジ本体285の第2の側面247を参照すると、各隆起部215は、ナイフスロット262に隣接して位置付けられる第1の端部213と、カートリッジ本体285の第2の側面263に隣接して位置付けられる第2の端部214と、を備えることができる。少なくとも1つの実施形態において、各隆起部215は、デッキ290から測定される高さを備えることができ、少なくとも1つのかかる実施形態において、各隆起部215の高さは、その長さに沿って異なることができる。ある特定の実施形態において、第2の端部214は、第1の端部213よりも高い場合があり、各隆起部215の高さは、第2の端部214と第1の端部213との間で徐々に減少させることができる。ある特定の実施形態において、図示されないが、隆起部215の第1の端部213は、第2の端部214よりも高い場合がある。少なくとも1つの実施形態において、各隆起部215の高さは、端部213と214との間で直線的、又は少なくとも実質的に直線的に徐々に減少させることができる。少なくとも1つのかかる実施形態において、各隆起部215の高さは、第2の端部214における最大の高さから、第1の端部213におけるゼロの高さまで徐々に減少させることができる。ある特定の実施形態において、各隆起部215の高さは、端部213と214との間で幾何学的に異なることができる。ある特定の代替的実施形態において、ここで図11を参照すると、各隆起部215’は、その長さにわたって均一の高さを備えることができる。
上述のように、隆起部215の内部端213は、隆起部215の外部端214よりも低い場合がある。様々な状況において、その結果、内部端213は、外部端214と比較すると、アンビルとステープルカートリッジ242との間に固定された組織により少ない圧力を印加することができる。様々な実施形態において、上述のように、各隆起部215は、カートリッジデッキ290にわたって横断方向に延在することができる。ある特定の実施形態において、各隆起部215は、カートリッジ本体285の長手方向軸299を横断する隆起軸に沿って延在することができる。少なくとも1つのかかる実施形態において、隆起軸は、長手方向軸299に垂直又は少なくとも実質的に垂直であることができる。様々な実施形態において、ステープル空洞284は、複数の列に配列することができ、ステープル空洞284の各列は、長手方向軸に沿って画定することができ、長手方向軸299に垂直又は少なくとも実質的に垂直であることができる。少なくとも1つの実施形態において、隆起部215の隆起軸は、ステープル空洞284の長手方向軸を横断する方向に延在することができる。少なくとも1つのかかる実施形態において、隆起部215の隆起軸は、ステープル空洞284の長手方向軸に垂直又は少なくとも実質的に垂直である方向に延在することができる。様々な実施形態において、図10を再度参照すると、各隆起部215は、頂部209に加えて、頂部209とカートリッジデッキ290との間に延在する勾配面208を備えることができる。ある特定の実施形態において、各勾配面208は、例えば、1つ以上の平坦面、湾曲面、凹面、及び/又は凸面を備えることができる。様々な実施形態において、各隆起部215は、ステープル空洞284の1つ以上の開口部210に沿って延在する経路に沿って延在することができる。少なくとも1つのかかる実施形態において、かかる開口部210は、隆起部215を通って上方に延在することができる。隆起部215がカートリッジデッキ290にわたって横断方向に延在すると、隆起部215は、隆起部115と同様に、カートリッジ本体285の強度及び/又は硬度を増大することができる。
様々な実施形態において、ここで図17及び18を参照すると、例えば、ステープルカートリッジ642等のステープルカートリッジは、カートリッジ本体685と、カートリッジ本体685内に画定された複数のステープル空洞684と、ステープル空洞684のそれぞれの内に位置付けられたステープルと、を備えることができる。ある特定の実施形態において、カートリッジ本体685は更に、ステープル空洞684の第1の群を備える第1の側面645と、ステープル空洞684の第2の群を備える第2の側面647と、カートリッジデッキ690と、を備えることができる。様々な実施形態において、カートリッジ本体685は更に、カートリッジデッキ690から延在する複数の隆起部又はバンプ615を備えることができる。少なくとも1つのかかる実施形態において、各隆起部615は、長手方向に延在することができ、各隆起部615は、遠位端613と近位端614とを備えることができ、隆起部615の遠位端613は、カートリッジ本体685の遠位端643に近く位置付けることができ、隆起部615の近位端614は、近位端641に近く位置付けることができる。少なくとも1つの実施形態において、各隆起部615は、デッキ690から測定される高さを備えることができ、少なくとも1つのかかる実施形態において、各隆起部615の高さは、その長さに沿って異なることができる。ある特定の実施形態において、近位端614は、遠位端613よりも高い場合があり、各隆起部615の高さは、近位端614と遠位端613との間で徐々に減少させることができる。ある特定の実施形態において、図示されないが、隆起部615の遠位端613は、近位端614よりも高い場合がある。少なくとも1つの実施形態において、各隆起部615の高さは、端部613と614との間で直線的、又は少なくとも実質的に直線的に徐々に減少させることができる。少なくとも1つのかかる実施形態において、各隆起部615の高さは、近位端614における最大の高さから遠位端613におけるゼロの高さまで徐々に減少させることができる。ある特定の実施形態において、各隆起部615の高さは、端部613と614との間で幾何学的に異なることができる。ある特定の代替的実施形態において、各隆起部615は、その長さにわたって均一の高さを備えることができる。
上述のように、隆起部615の遠位端613は、隆起部615の近位端614よりも低い場合がある。様々な状況において、その結果、遠位端613は、近位端614と比較すると、アンビルとステープルカートリッジ642との間に固定された組織により少ない圧力を印加することができる。様々な実施形態において、上述のように、各隆起部615は、カートリッジデッキ690にわたって長手方向に延在することができる。ある特定の実施形態において、各隆起部615は、カートリッジ本体685の長手方向軸699に平行又は少なくとも実質的に平行である隆起軸に沿って延在することができる。様々な実施形態において、ステープル空洞684は、複数の列に配列することができ、ステープル空洞684の各列は、長手方向軸に沿って画定することができ、隆起部615の隆起軸に平行又は少なくとも実質的に平行であることができる。少なくとも1つの実施形態において、図18を再度参照すると、各隆起部615は、例えば、1つ以上の平坦面、湾曲面、凹面、及び/又は凸面を備えることができる、傾斜面を備えることができる。少なくとも1つのかかる実施形態において、傾斜面の底部は、遠位に対向することができ、組織がエンドエフェクタ内に位置付けられるとき、ステープルカートリッジ642にわたる組織の摺動を促進することができる。様々な実施形態において、各隆起部615は、ステープル空洞684の1つ以上の開口部610にわたって延在する経路に沿って延在することができる。少なくとも1つのかかる実施形態において、かかる開口部610は、隆起部615を通って上方に延在することができる。隆起部615がカートリッジデッキ690にわたって横断方向に延在すると、隆起部615は、カートリッジ本体685の強度及び/又は硬度を増大することができる。
様々な実施形態において、上記に加えて、外科用ステープルは、例えば、チタンワイヤ等のチタンからなることができる。ある特定の実施形態において、外科用ステープルは、例えば、チタン、アルミニウム、及び/又はバナジウムを備える合金からなることができる。少なくとも1つの実施形態において、外科用ステープルは、外科用ステンレス網及び/又は例えば、コバルト及びクロムからなる合金からなることができる。任意の事象において、外科用ステープルは、チタン等の金属、及び例えば、酸化チタン等の金属酸化物の外面からなることができる。様々な実施形態において、金属酸化物の外面は、材料でコーティングすることができる。ある特定の実施形態において、コーティング材料は、ポリテトラフルオロエチレン(PTFE)(Teflon(登録商標)等)、及び/又はテトラフルオロエチレン(TFE)(例えば、エチレン−テトラフルオロエチレン(ETFE)、ペルフルオロアルコキシエチレン−テトラフルオロエチレン(PTF)、及び/又はフッ素化エチレンプロピレン(FEP)等)からなることができる。ある特定のコーティングは、シリコンを備えることができる。様々な実施形態において、かかるコーティングは、金属の更なる酸化を防止又は少なくとも阻害することができる。ある特定の実施形態において、コーティング材料は、アンビル又はステープルポケットがそれに対してそれらの間の摩擦力を低減するためにステープルに接触することができる1つ以上の滑らかな表面を提供することができる。様々な状況において、ステープルとステープルポケットとの間のより低い摩擦力は、ステープルを変形するために必要とされる力を低減することができる。
特定の開示された実施形態と結びつけて本明細書で装置の様々な実施形態について説明したが、それらの実施形態に対して多数の修正及び変更が実施可能である。また、特定のコンポーネントについて材料が開示されたが、他の材料が使用され得る。更に、様々な実施形態により、所定の機能又は複数の機能を実行するために、単一の構成要素を複数の構成要素によって置き換えてもよく、また複数の構成要素を単一の構成要素によって置き換えてもよい。以上の説明及び以下の「特許請求の範囲」は、このような改変及び変形を全て有効範囲とするものである。
本明細書において開示される装置は、1回の使用の後に処分されるような設計とするか、又は複数回使用されるような設計とすることができる。しかしながら、いずれの場合も、デバイスは少なくとも1回の使用後、再使用のために再調整され得る。再調整は、装置の分解工程、これに続く洗浄工程又は特定部品の交換工程、及びその後の再組み付け工程の任意の組み合わせを含むことができる。詳細には、装置は分解可能であり、装置の任意の数の特定の部品又は部材を、任意の組み合わせで選択的に交換又は取り外すことができる。特定の部材の洗浄及び/又は交換に際し、装置を再調整施設において、あるいは外科手術の直前に手術チームによって再組み付けしてからその後の使用に供することができる。当業者であれば、装置の再調整に、分解、洗浄/交換、及び再組み付けのための様々な技術を利用できる点は認識されるであろう。このような技術の使用、及びその結果として得られる再調整された装置は、全て、本出願の範囲内にある。
好ましくは、本明細書で説明した本発明は、外科手術の前に処理される。まず、新しい又は使用済みの器具を得て、必要に応じて洗浄する。次に、器具を滅菌することができる。1つの滅菌法では、プラスチック又はTYVEKバッグなどの閉鎖かつ密封された容器に器具を入れる。次いで容器及び器具を、ガンマ線、x線又は高エネルギー電子線などの、容器を貫通することができる放射線野の中に置く。この放射線によって器具上及び容器内の細菌が殺菌される。滅菌された器具は、その後、無菌容器内で保管することができる。密封容器は医療施設において開封されるまで器具を無菌状態に保つ。
以上、本発明を例示的な構成を有するものとして説明したが、本発明は本開示の趣旨及び範囲内で更に改変することができる。したがって、本出願はその一般的原理を利用した本発明のあらゆる変形、使用又は適応を網羅するものとする。更に、本出願は、本発明が関連する技術分野における公知の、又は従来の実施に含まれるところの本開示からの発展形を網羅するものとする。
全体又は部分において、本明細書に参照により組み込まれると称されるいずれの特許公報又は他の開示物も、組み込まれた事物が現行の定義、記載、又は本開示に記載されている他の開示物と矛盾しない範囲でのみ本明細書に組み込まれる。このように及び必要な範囲で、本明細書に明瞭に記載されている開示は、参照により本明細書に組み込んだ任意の矛盾する事物に取って代わるものとする。本明細書に参照により組み込むと称されているが現行の定義、記載、又は本明細書に記載されている他の開示物と矛盾するいずれの事物、又はそれらの部分は、組み込まれた事物と現行の開示事物との間に矛盾が生じない範囲でのみ組み込まれるものとする。
〔実施の態様〕
(1) ステープルカートリッジであって、
複数のステープルと、
カートリッジ本体であって、
組織接触デッキと、
複数のステープル空洞であって、各前記ステープル空洞が、前記デッキ内に開口部を備え、前記ステープルが、各前記ステープル空洞内に位置付けられる、ステープル空洞と、
前記組織接触デッキから延在する複数の隆起部であって、各前記開口部が、前記隆起部によって少なくとも部分的に囲繞される、隆起部と、を備える、カートリッジ本体と、を備える、ステープルカートリッジ。
(2) 各前記開口部が、前記隆起部によって完全に包囲される、実施態様1に記載のステープルカートリッジ。
(3) 前記ステープルを前記ステープル空洞から放出するように構成される、複数のステープルドライバを更に備え、各前記ステープルが、ステープルドライバによって支持され、各前記ステープルが、少なくとも1つの先端を備え、前記ステープルの前記先端が、前記組織接触デッキの上に位置付けられる、実施態様1に記載のステープルカートリッジ。
(4) 各前記隆起部が上面を備え、前記先端が前記上面の下に位置付けられる、実施態様3に記載のステープルカートリッジ。
(5) 各前記開口部が、近位端と遠位端とを備え、前記隆起部が、前記近位端と前記遠位端とを囲繞する、実施態様1に記載のステープルカートリッジ。
(6) 前記複数のステープル空洞が、第1のステープルの列を収容する第1のステープル空洞の列と、第2のステープルの列を収容する第2のステープル空洞の列とを備え、前記第1のステープル空洞の列の前記開口部を囲繞する前記隆起部が、前記第2のステープル空洞の列の前記開口部を囲繞する前記隆起部に接続される、実施態様5に記載のステープルカートリッジ。
(7) 各前記隆起部が刻みの配列を備える、実施態様1に記載のステープルカートリッジ。
(8) 前記刻みがそれぞれ、ピラミッド形状構成及び円錐形状構成のうちの1つを備える、実施態様7に記載のステープルカートリッジ。
(9) 前記刻みが前記組織接触デッキの全体を被覆する、実施態様7に記載のステープルカートリッジ。
(10) 前記複数のステープル空洞が、ステープルの列を収容するステープル空洞の列を備え、前記隆起部が、前記ステープル空洞の列内の前記ステープル空洞の中間に位置付けられる、実施態様1に記載のステープルカートリッジ。
(11) 各前記隆起部がX形状構成を備える、実施態様10に記載のステープルカートリッジ。
(12) ステープルカートリッジであって、
複数のステープルと、
カートリッジ本体であって、
中間部分と、
外側部分と、
組織接触デッキと、
複数のステープル空洞であって、前記ステープルが、各前記ステープル空洞内に位置付けられる、ステープル空洞と、
前記組織接触デッキから延在する複数の隆起部であって、各前記隆起部が、前記中間部分と前記外側部分との間に延在する、隆起部と、を備える、カートリッジ本体と、を備える、ステープルカートリッジ。
(13) 各前記隆起部が均一の高さを備える、実施態様12に記載のステープルカートリッジ。
(14) 各前記隆起部がその長さに沿って異なる高さを備える、実施態様12に記載のステープルカートリッジ。
(15) 各前記隆起部が、前記カートリッジ本体の前記外側部分に隣接して位置付けられる高い部分から、前記カートリッジ本体の前記中間部分に隣接して位置付けられる低い部分まで徐々に減少する高さを備える、実施態様14に記載のステープルカートリッジ。
(16) 前記複数のステープル空洞が、第1のステープルの列を収容する第1のステープル空洞の列と、第2のステープルの列を収容する第2のステープル空洞の列と、を備え、各前記隆起部が、前記第1のステープルの列と前記第2のステープルの列とを横断する線に沿って延在する、実施態様12に記載のステープルカートリッジ。
(17) ステープルカートリッジであって、
複数のステープルと、
カートリッジ本体であって、
近位端と、
遠位端と、
組織接触デッキと、
複数のステープル空洞であって、前記ステープルが、各前記ステープル空洞内に位置付けられる、ステープル空洞と、
前記組織接触デッキから延在する複数の隆起部であって、各前記隆起部が、近位の高さと遠位の高さとの間で異なる高さを備え、前記近位の高さが、前記遠位の高さよりも前記近位端に近い、隆起部と、を備える、カートリッジ本体と、を備える、ステープルカートリッジ。
(18) 前記近位の高さが前記遠位の高さよりも高い、実施態様17に記載のステープルカートリッジ。
(19) 各前記隆起部の前記高さが、前記近位の高さと前記遠位の高さとの間で徐々に減少する、実施態様18に記載のステープルカートリッジ。
(20) 各前記隆起部が、前記近位端において最大の高さを有する傾斜面を備える、実施態様17に記載のステープルカートリッジ。

Claims (10)

  1. ステープルカートリッジであって、
    複数のステープルと、
    カートリッジ本体であって、
    組織接触デッキと、
    複数のステープル空洞であって、各前記ステープル空洞が、前記デッキ内に開口部を備え、前記ステープルが、各前記ステープル空洞内に位置付けられる、ステープル空洞と、
    前記組織接触デッキから延在する複数の隆起部であって、各前記開口部が、前記隆起部によって少なくとも部分的に囲繞される、隆起部と、を備える、カートリッジ本体と、を備える、ステープルカートリッジ。
  2. 各前記開口部が、前記隆起部によって完全に包囲される、請求項1に記載のステープルカートリッジ。
  3. 前記ステープルを前記ステープル空洞から放出するように構成される、複数のステープルドライバを更に備え、各前記ステープルが、ステープルドライバによって支持され、各前記ステープルが、少なくとも1つの先端を備え、前記ステープルの前記先端が、前記組織接触デッキの上に位置付けられる、請求項1に記載のステープルカートリッジ。
  4. 各前記隆起部が上面を備え、前記先端が前記上面の下に位置付けられる、請求項3に記載のステープルカートリッジ。
  5. 各前記開口部が、近位端と遠位端とを備え、前記隆起部が、前記近位端と前記遠位端とを囲繞する、請求項1に記載のステープルカートリッジ。
  6. 前記複数のステープル空洞が、第1のステープルの列を収容する第1のステープル空洞の列と、第2のステープルの列を収容する第2のステープル空洞の列とを備え、前記第1のステープル空洞の列の前記開口部を囲繞する前記隆起部が、前記第2のステープル空洞の列の前記開口部を囲繞する前記隆起部に接続される、請求項5に記載のステープルカートリッジ。
  7. 各前記隆起部が刻みの配列を備える、請求項1に記載のステープルカートリッジ。
  8. 前記刻みがそれぞれ、ピラミッド形状構成及び円錐形状構成のうちの1つを備える、請求項7に記載のステープルカートリッジ。
  9. 前記刻みが前記組織接触デッキの全体を被覆する、請求項7に記載のステープルカートリッジ。
  10. 前記複数のステープル空洞が、ステープルの列を収容するステープル空洞の列を備え、前記隆起部が、前記ステープル空洞の列内の前記ステープル空洞の中間に位置付けられる、請求項1に記載のステープルカートリッジ。
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