JP2006034982A - 関節運動接合部を通る電気活性ポリマー作動発射バートラックを含む外科用ステープル止め器具 - Google Patents
関節運動接合部を通る電気活性ポリマー作動発射バートラックを含む外科用ステープル止め器具 Download PDFInfo
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Abstract
【解決手段】 発射バーによって作動されるエンドエフェクタ(例えば、ステープル止め及び切断)を関節運動させるために用いられる特に内視鏡に適した外科用ステープル止め器具。細長いシャフト内の関節運動機構は、発射バーが逸脱することなく十分に拘束され、過度の摩擦や引掛かりが起こらずに案内されるように発射バーを横方向に支持する電気的に作動されるポリマー(EAP)アクチュエータを含む。従って、エンドエフェクタが関節運動した場合に必要な発射の力を過度に大きくしないで効果的な一定の発射動作を達成することができる。
【選択図】 図1
Description
電気活性ポリマー(EAPs)は、電圧が加えられると形状が変化する導電物質がドープされた一連のポリマーである。要するに、この導電ポリマーを、一定の形態のイオン流体またはゲル及び電極と組み合わせることができる。この流体/ゲルのイオンが電圧が加えられると導電ポリマーに対して移動し、このイオンの流れによりポリマーの形状が変化する。加える電圧は、使用するポリマー及びイオン流体によって1V〜4kVの範囲である。電圧が加えられると、ある種のEAPsは収縮し、別のEAPsは膨張する。EAPsをばねや可撓性プレートなどの機械手段に組み合わせて、電圧を加えてこれらを変形させることができる。
図6‐図13に示されているように、外科用切断/ステープル止め器具200が、細長いシャフト204に形成されたEAP作動関節運動接合部202をエンドエフェクタの基端側に有する。このエンドエフェクタは、細長いシャフト204によって長手方向に伝達される別々の閉止運動及び発射運動に有利に応答する外科用ステープル止め/切断組立体12として例示されている。EAP作動関節運動接合部202は、ステープル止め組立体12に関節運動に所望の臨床的柔軟性を有利に付与する。
図20‐図27に示されているように、EAP作動関節運動ロック700が、外科器具704の回動関節運動接合部702に設けられている。分かり易くするために、シングルピボットフレーム機構706が、先端側に延出した上下の回動タブ710及び712を有する基端フレームグランド708で示されている。これらの回動タブはそれぞれ、エンドエフェクタ720に取り付けられる先端フレームグランド718の基端側に延出した上下のタング714及び716のそれぞれに回動可能に係合する。上部回動タブ710の上部内側孔722が、上部タング714の上部外側孔724の下側に整合し、上部回動ピン726によって互いに回動可能にピンで止められる。下部回動タブ712の下部内側孔728が、下部タング716の下部外側孔730の上に整合し、下部回動ピン732によって互いに回動可能にピンで止められる。上下のモーメントアーム734及び736がそれぞれ、上下の回動タブ714及び712から先端側に延出している。上部モーメントアーム734は、概ね水平な左上部EAPファイバーアクチュエータ740によって先端フレームグランド718に形成された左上部取付け点738に向かって近づくことができる。上部モーメントアーム734はまた、概ね水平な右上部EAPファイバーアクチュエータ744によって先端フレームグランド718に形成された右上部取付け点742に向かって近づくことができる。下部モーメントアーム736は、概ね平行な左下部EAPファイバーアクチュエータ748によって先端フレームグランド718に形成された左下部取付け点746に向かって近づくことができる。下部モーメントアーム736はまた、概ね平行な右下部EAPファイバーアクチュエータ752によって先端フレームグランド718に形成された右下部取付け点750に向かって近づくことができる。
図34に示されているように、外科器具1200が、EAP作動関節運動接合部1202を有利に含む。このEAP作動関節運動接合部1202は、ハンドル1208からエンドエフェクタ1210に閉止運動と発射運動を別々に伝達する細長いシャフト1206の関節運動フレーム組立体1204と一体である。エンドエフェクタ1210は、ステープル止め組立体1212として示され、交換可能なステープルカートリッジ1218を保持する細長い溝1216に対して回動可能に取り付けられた閉止可能なアンビル1214を有する。ハンドル1208は、ピストルグリップ1222に向かって基端側に引いてアンビル1214を閉止することができる閉止トリガー1220を含む。閉止スリーブ組立体1223または他の閉止手段(例えば、EAP作動アンビル及び長手方向に内部を移動する部材など)(不図示)がアンビル閉止構造1224に作用して、アンビル1214を開閉できることを理解されたい。アンビルが閉じて組織をクランプしたら、より先端側の発射トリガー1226をピストルグリップ1222に向かって引いて発射部材1228を発射し、発射部材1228を細長いシャフト1206を長手方向先端側に移動させ、組織の切断及び切断した端部のステープル止めを行うことができる。発射トリガー1226を解放したら、閉止トリガー1220を僅かに押すと同時に閉止解除ボタン1230を押して、クランプ構成要素を解放し、閉止トリガー1220を解放してアンビル1214を開け、ステープル止めされた切断組織を解放することができる。回動ノブ1232により、細長いシャフト1206の長軸を中心に選択的に回動させることができる。
図43‐図54に示されているように、関節運動接合部の発射バーを支持する横方向に対称な様々なタイプの対になった支持プレートが一般的である。加えて、本発明に従った適用例は、長手方向に対称でない支持プレートに対して、図示した関節運動接合部の基端部または先端部として端部を含むことができると考えられる。従って、1つの横方向に対称な構成要素の接尾記号「a」及びその鏡像の構成要素の接尾記号「b」は右または左を指定するものではない。
(1)外科器具であって、
関節運動支持信号を生成するように機能的に構成された関節運動制御回路、及び長手方向に移動する発射バーを有する発射機構を含むハンドル部分と、
前記ハンドル部分に取り付けられた、前記発射バーを受容する発射バーガイドスロットを含む細長いシャフトと、
前記細長いシャフトの先端側に取り付けられた、前記発射バーの先端部によって作動されるエンドエフェクタと、
前記細長いシャフトを前記エンドエフェクタに結合する、前記細長いシャフトを介して前記関節運動支持信号を受け取る関節運動接合部と、
前記関節運動支持信号に応答して選択された横方向に関節運動させるために寸法を調節する、前記発射バーの両側の前記関節運動接合部に配置された一対の電気活性ポリマー支持部材とを含むことを特徴とする外科器具。
(2)関節運動の内側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して収縮することを特徴とする実施態様(1)に記載の外科器具。
(3)関節運動の外側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して伸長することを特徴とする実施態様(1)に記載の外科器具。
(4)前記電気活性ポリマー支持部材のそれぞれが、前記関節運動支持信号に応答して横方向に撓むように機能的に構成された電気活性ポリマープレートアクチュエータを含むことを特徴とする実施態様(1)に記載の外科器具。
(5)前記関節運動接合部の基端部分及び先端部分の選択された一方が、前記発射バーガイドスロットに連通したフレーム凹部を含み、
前記各電気活性ポリマープレートアクチュエータが、前記フレーム凹部内に受容された外側湾曲端部を有する硬質基材、及び前記関節運動支持信号に応答して曲がる前記硬質基材の一側に取り付けられた電気活性ポリマーアクチュエータを含むことを特徴とする実施態様(4)に記載の外科器具。
(7)前記電気活性ポリマーアクチュエータが、前記発射バーに近接した前記硬質基材の内面に取り付けられていることを特徴とする実施態様(5)に記載の外科器具。
(8)前記硬質基材の内面が前記発射バーに近接しており、前記電気活性ポリマーアクチュエータが前記硬質基材の外面に取り付けられていることを特徴とする実施態様(5)に記載の外科器具。
(9)前記関節運動接合部が、前記細長いシャフトに取り付けられた基端部分及び前記エンドエフェクタに取り付けられた先端部分を含み、
前記基端部分が、前記先端部分に対して関節運動するように取り付けられており、
電気活性ポリマーアクチュエータが、前記基端部分及び前記先端部分のそれぞれに取り付けられ、前記関節運動支持信号に応答して関節運動を起こすように機能的に構成されていることを特徴とする実施態様(1)に記載の外科器具。
(10)前記関節運動接合部が、前記先端部分に回動可能に取り付けられた前記基端部分を含むことを特徴とする実施態様(9)に記載の外科器具。
前記各バンドが、前記基端部分と前記基端部分との間に取り付けられており、
前記複数の左右の垂直リブのそれぞれが、前記上部バンドと前記下部バンドとの間のそれぞれの側面に取り付けられていることを特徴とする実施態様(9)に記載の外科器具。
(12)関節運動の内側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して収縮することを特徴とする実施態様(9)に記載の外科器具。
(13)関節運動の外側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して伸長することを特徴とする実施態様(9)に記載の外科器具。
(14)前記電気活性ポリマー支持部材のそれぞれが、前記関節運動支持信号に応答して横方向に撓むように機能的に構成された電気活性ポリマープレートアクチュエータを含むことを特徴とする実施態様(9)に記載の外科器具。
(15)前記電気活性ポリマー支持部材のそれぞれが、長手方向部分、両端部の外側湾曲端部、内側電気活性ポリマーアクチュエータ、及び外側電気活性ポリマーアクチュエータを含み、
前記両端部の外側湾曲端部がそれぞれ、前記関節運動接合部の前記基端部分内及び前記先端部分内に拘束されており、
前記内側及び外側電気活性ポリマーアクチュエータのそれぞれが、前記外側湾曲端部の選択された一方の長手方向両側に配置され、長手方向に伸長するように構成されており、
前記関節運動接合部の前記基端部分及び前記先端部分のそれぞれが、前記内側及び外側電気活性ポリマーアクチュエータと前記湾曲端部の選択された一方を受容する内側に開口した凹部を含むことを特徴とする実施態様(9)に記載の外科器具。
これらの電気活性ポリマーアクチュエータがそれぞれ、前記外側湾曲端部の他方の長手方向両側に配置され、長手方向に伸長するように構成されており、
前記関節運動接合部の前記基端部分及び前記先端部分のそれぞれが、前記第2の対の内側及び前記外側電気活性ポリマーアクチュエータと前記湾曲端部の他方を受容する内側に開口した凹部を含み、
前記関節運動制御回路が、選択された前記電気活性ポリマー支持部材の両方の外側電気活性ポリマーアクチュエータを作動させて伸長させたり、その両方の内側ポリマーアクチュエータを作動させて収縮させることができるように機能的に構成されていることを特徴とする実施態様(15)に記載の外科器具。
(17)外科器具であって、
関節運動支持信号を生成するように機能的に構成された関節運動制御回路を含むハンドル部分と、
前記ハンドル部分に取り付けられた細長いシャフト、
前記細長いシャフトの先端側に取り付けられたエンドエフェクタと、
前記細長いシャフトを前記エンドエフェクタに結合する、前記細長いシャフトを介して前記関節運動支持信号を受け取る関節運動接合部と、
前記関節運動接合部の両側面に配置された一対の電気活性ポリマー支持部材とを含み、
前記各電気活性ポリマー支持部材の一端が前記関節運動接合部内に長手方向に拘束され、他端がスライド可能に受容されており、
前記各電気活性ポリマー支持部材が、前記細長いシャフトの長手方向の軸に対して整合し横方向にずれており、かつ前記関節運動支持信号に応答して横方向に曲がることを特徴とする外科器具。
(18)外科器具であって、
関節運動支持信号を生成するように機能的に構成された関節運動制御回路を含むハンドル部分と、
前記ハンドル部分に取り付けられた細長いシャフト、
前記細長いシャフトの先端側に取り付けられたエンドエフェクタと、
前記細長いシャフトを前記エンドエフェクタに結合する、前記細長いシャフトを介して前記関節運動支持信号を受け取る関節運動接合部と、
前記関節運動接合部の両側面に配置された一対の電気活性ポリマー支持部材とを含み、
前記各電気活性ポリマー支持部材の両端が、前記関節運動接合部内に長手方向に拘束されており、
前記各電気活性ポリマー支持部材が、前記細長いシャフトの長手方向の軸に対して整合し横方向にずれており、かつ前記関節運動支持信号に応答して選択的に伸長または収縮することを特徴とする外科器具。
12 ステープル止め組立体
14 ハンドル
16 シャフト
18 ステープル溝
20 ステープルカートリッジ
22 アンビル
30 回動ノブ
32 関節運動接合部
34 関節運動制御スイッチ
36 EAPアクチュエータ
38 電源
40 閉止トリガー
42 ピストルグリップ
44 発射トリガー
46 引き戻しレバー
48 閉止解除ボタン
100 ラミネートEAP複合材
102 プレート陽極層
104 EAP層
106 イオンセル層
108 プレート陰極層
110 接着層
120 EAPプレートアクチュエータ
140 収縮EAPファイバーアクチュエータ
142 プラチナ陰極ワイヤ
144、150 エンドキャップ
146 円柱キャビティ
148 プラスチック円柱壁
152 収縮ポリマーファイバー
200 外科用切断/ステープル止め器具
202 EAP作動関節運動接合部
204 シャフト
210 関節運動接合部
214 基端閉止チューブ
216 先端閉止リング
218 可撓性閉止チューブ
220、222 垂直スリット
224 長手方向バンド
226 馬蹄開口
228 アンビル閉止構造
230 回動ピン
234 シングルピボットフレーム組立体
238 上部回動タブ
240 下部回動タブ
242、252 上部回動ピンホール
244、254 下部回動ピンホール
246 上部回動タング
248 下部回動タング
250 先端フレームグランド
256 上部フレーム回動ピン
258 下部フレーム回動ピン
270 発射バー
272 発射スロット
274 矩形開口
278 クリップバー
280 上部アーム
282 クリップばね
284 アーム
286 隆起部分
288 Eビーム
292 ステープルドライバ
296 ウェッジスレッド
298 カートリッジトレイ
300 切断面
302 上部ピン
304 中間ピン
306 上部脚
308 長手方向スロット
310 長手方向開口
312 垂直スロット
400 EAPアクチュエータシステム
402、404 EAPファイバーアクチュエータ
406 上部モーメントアーム
416 下部モーメントアーム
504 ダブルピボット閉止スリーブ組立体
506 シングルピボットフレーム組立体
514 上部タング
516 下部タング
518 先端閉止チューブ
522 先端閉止リング
528 上部ダブルピボットリンク
530 先端回動ピン
532 基端回動ピン
534 上部先端ピンホール
536 上部基端ピンホール
538 下部ダブルピボットリンク
540 先端回動ピン
542 基端回動ピン
544 下部先端ピンホール
550 基端フレームグランド
552 回動ピンホール
554 回動凹部
556、558 モーメントアーム
560 ドッグボーン型リンク
562 基端ピン
566 先端ピン
570 基端フレームグランド
572 先端横ガイド
574 基端ガイド
580 EAP作動システム
582、584 EAPスタックアクチュエータ
600 EAP作動関節運動接合部
602 外科器具
604 シングルピボットフレーム組立体
606 基端フレームグランド
608 タング
610 先端フレームグランド
612 回動ピン
614 半涙型プーリー
616 収縮EAPファイバーアクチュエータ
700 EAP作動関節運動
702 回動関節運動接合部
704 外科器具
706 シングルピボットフレーム機構
708 基端フレームグランド
710 上部回動タブ
712 下部回動タブ
714 上部タング
716 下部タング
720 エンドエフェクタ
722 上部内側孔
724 上部外側孔
726 上部回動ピン
728 下部内側孔
730 下部外側孔
732 下部回動ピン
734 上部モーメントアーム
736 下部モーメントアーム
740、742 上部EAPファイバーアクチュエータ
748、752 下部EAPファイバーアクチュエータ
800 上部EAP作動関節運動固定機構
802 上部固定ボルト組立体
804 上部固定凹部
808 固定先端
810 先端スロット
812 歯車の谷
814 歯車部分
816 クロスプレート
818 圧縮ばね
820、822 EAPスタックアクチュエータ
824 上部固定カバー
830 下部EAP作動関節運動固定機構
900 EAP関節運動システム
901 シングルピボット関節運動接合部
902、904 上部EAPファイバーアクチュエータ
906、908 下部EAPファイバーアクチュエータ
910 上部モーメントアーム
912 下部モーメントアーム
914 上部回動タブ
916 下部回動タブ
918 基端フレームグランド
920 左上部取付け点
924 右上部取付け点
926 左下部取付け点
928 右下取付け点
1000 EAP関節運動システム
1001 シングルピボット関節運動接合部
1002、1004 上部EAPスタックアクチュエータ
1006、1008 下部EAPスタックアクチュエータ
1014 上部モーメントアーム
1016 上部回動タブ
1020、1030 チップピン
1022 先端フレームグランド
1024 下部モーメントアーム
1026 下部回動タブ
1200 外科器具
1202 EAP作動関節運動接合部
1204 関節運動フレーム組立体
1206 シャフト
1208 ハンドル
1210 エンドエフェクタ
1212 ステープル止め組立体
1214 アンビル
1220 閉止トリガー
1222 ピストルグリップ
1226 発射トリガー
1228 発射部材
1230 閉止解除ボタン
1232 回動ノブ
1240 基端フレームグランド
1242 関節運動フレームグランド
1244 先端フレームグランド
1300 EAP作動システム
1302、1304 EAPプレートアクチュエータ
1306、1308 矩形アクチュエータ凹部
1310 弾性フレーム本体
1312 矩形ナイフスロット
1314 発射バー
1320 長手方向バンド
1322、1324 垂直凹部
1326 矩形貫通孔
1328 横ギャップ
1330 リブ
1332 内部壁
1334 外側スライス
1350 EAP関節運動固定機構
1354、1358 EAP固定ストリップ
1362 垂直固定リッジ
1370 上部ガイドピン
1372 下部ガイドピン
1400 EAP動作システム
1402 EAPリブスプレッダープレートアクチュエータ
1404 先端側に開口した矩形アクチュエータ凹部
1406 基端側に開口した矩形アクチュエータ凹部
1410 リブ
1412 垂直スロット
1414 矩形貫通孔
1416 外側垂直スロット
1500 EAP動作システム
1502 弾性フレーム本体
1504 EAPファイバーアクチュエータ
1506、1508 垂直スタック
1510 リブ
1512 内側垂直壁
1514 長手方向バンド
1516 外側スライス
1518 長手方向貫通孔
1520 先端横カバー
1522 基端横カバー
1524 ナイフスロット
2000、2100、2200、2300、2400 関節運動接合部
2002、2102、2202、2302、2402 外科器具
2004、2104、2204、2304、2404 左EAP支持プレート
2006、2106、2206、2306、2406 右EAP支持プレート
2008、2208、2308、2408 発射バー
2010a、2010b、2110a、2110b、2210 構造部材
2310a、2310b、2410a、2410b 構造部材
2012a、212b、2112a、2112b 拡張端部
2014a、2014b、2114a、2114b、2214a、2214b 凹部
2016、2116、2216、2316、2416a、2416b 第1のフレームグランド
2018a、2018b、2118a、2118b 真直端部
2020、2120 第2のフレームグランド
2022a、2022b、2122a、2122b EAPラミネート
2212a、2212b、2218a、2218b2418b 湾曲端部
2220a、2220b、2320a、2320b 内側に開口した凹部
2224a、2224b、2324a、2324bEAPラミネート
2312a、2312b、2318a、2318b2418b 湾曲端部
2412a、2412b、2418a、2418b 湾曲端部
2414a、2414b、2420a、2420b 内側に開口した凹部
2424a、2424b EAPラミネート
2222、2322、2422 第2のフレームグランド
2314 スロット
2326、2328、2430、2432 圧縮ばね
2500 関節運動接合部
2502 外科器具
2504、2506 EAP支持プレート
2508 発射バー
2510 ナイフスロット
2512 弾性フレーム本体
2516 基端フレームグランド
2518 先端フレームグランド
2520 左EAPプレートアクチュエータ
2524 右EAPプレートアクチュエータ
2526 リブ
2528a、2528b 外側EAPラミネート層
2530a、2530b 内側プレート
2532 凹部
2534a、2534b 湾曲端部
2536a、2536b 真直端部
2600 関節運動接合部
2602 外科器具
2604、2606 EAP支持プレート
2612a、2612b 第1の外側湾曲端部
2618a、2618b 第2の外側湾曲端部
2616 第1のフレームグランド
2622 第2のフレームグランド
2620a、2620b 内側に開口した凹部
2624a、2624b 外側EAPラミネート
2625a、2625b 内側EAPラミネート
2700 関節運動接合部
2702 外科器具
2704、2706 EAP支持プレート
2712a、2712b 第1の外側湾曲端部
2714a、2714b 第1の内側に開口した凹部
2718a、2718b 第2の外側湾曲端部
2716 第1のフレームグランド
2722 第2のフレームグランド
2720a、2720b 第2の内側に開口した凹部
2724a、2724b 外側EAPラミネート
2726a、2726b、2735a、2735b 内側EAPラミネート
Claims (18)
- 外科器具であって、
関節運動支持信号を生成するように機能的に構成された関節運動制御回路、及び長手方向に移動する発射バーを有する発射機構を含むハンドル部分と、
前記ハンドル部分に取り付けられた、前記発射バーを受容する発射バーガイドスロットを含む細長いシャフトと、
前記細長いシャフトの先端側に取り付けられた、前記発射バーの先端部によって作動されるエンドエフェクタと、
前記細長いシャフトを前記エンドエフェクタに結合する、前記細長いシャフトを介して前記関節運動支持信号を受け取る関節運動接合部と、
前記関節運動支持信号に応答して選択された横方向に関節運動させるために寸法を調節する、前記発射バーの両側の前記関節運動接合部に配置された一対の電気活性ポリマー支持部材とを含むことを特徴とする外科器具。 - 関節運動の内側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して収縮することを特徴とする請求項1に記載の外科器具。
- 関節運動の外側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して伸長することを特徴とする請求項1に記載の外科器具。
- 前記電気活性ポリマー支持部材のそれぞれが、前記関節運動支持信号に応答して横方向に撓むように機能的に構成された電気活性ポリマープレートアクチュエータを含むことを特徴とする請求項1に記載の外科器具。
- 前記関節運動接合部の基端部分及び先端部分の選択された一方が、前記発射バーガイドスロットに連通したフレーム凹部を含み、
前記各電気活性ポリマープレートアクチュエータが、前記フレーム凹部内に受容された外側湾曲端部を有する硬質基材、及び前記関節運動支持信号に応答して曲がる前記硬質基材の一側に取り付けられた電気活性ポリマーアクチュエータを含むことを特徴とする請求項4に記載の外科器具。 - 更に、前記硬質基材の前記外側湾曲端部と前記フレーム凹部の壁部との間に長手方向に挿入された弾性部材を含むことを特徴とする請求項5に記載の外科器具。
- 前記電気活性ポリマーアクチュエータが、前記発射バーに近接した前記硬質基材の内面に取り付けられていることを特徴とする請求項5に記載の外科器具。
- 前記硬質基材の内面が前記発射バーに近接しており、前記電気活性ポリマーアクチュエータが前記硬質基材の外面に取り付けられていることを特徴とする請求項5に記載の外科器具。
- 前記関節運動接合部が、前記細長いシャフトに取り付けられた基端部分及び前記エンドエフェクタに取り付けられた先端部分を含み、
前記基端部分が、前記先端部分に対して関節運動するように取り付けられており、
電気活性ポリマーアクチュエータが、前記基端部分及び前記先端部分のそれぞれに取り付けられ、前記関節運動支持信号に応答して関節運動を起こすように機能的に構成されていることを特徴とする請求項1に記載の外科器具。 - 前記関節運動接合部が、前記先端部分に回動可能に取り付けられた前記基端部分を含むことを特徴とする請求項9に記載の外科器具。
- 前記関節運動接合部が、それぞれ長手方向に収縮しない可撓性の材料から形成された上部バンド及び下部バンドと、複数の左垂直リブ及び複数の右垂直リブを含み、
前記各バンドが、前記基端部分と前記基端部分との間に取り付けられており、
前記複数の左右の垂直リブのそれぞれが、前記上部バンドと前記下部バンドとの間のそれぞれの側面に取り付けられていることを特徴とする請求項9に記載の外科器具。 - 関節運動の内側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して収縮することを特徴とする請求項9に記載の外科器具。
- 関節運動の外側になる前記一対の電気活性ポリマー支持部材の選択された一方が前記関節運動支持信号に応答して伸長することを特徴とする請求項9に記載の外科器具。
- 前記電気活性ポリマー支持部材のそれぞれが、前記関節運動支持信号に応答して横方向に撓むように機能的に構成された電気活性ポリマープレートアクチュエータを含むことを特徴とする請求項9に記載の外科器具。
- 前記電気活性ポリマー支持部材のそれぞれが、長手方向部分、両端部の外側湾曲端部、内側電気活性ポリマーアクチュエータ、及び外側電気活性ポリマーアクチュエータを含み、
前記両端部の外側湾曲端部がそれぞれ、前記関節運動接合部の前記基端部分内及び前記先端部分内に拘束されており、
前記内側及び外側電気活性ポリマーアクチュエータのそれぞれが、前記外側湾曲端部の選択された一方の長手方向両側に配置され、長手方向に伸長するように構成されており、
前記関節運動接合部の前記基端部分及び前記先端部分のそれぞれが、前記内側及び外側電気活性ポリマーアクチュエータと前記湾曲端部の選択された一方を受容する内側に開口した凹部を含むことを特徴とする請求項9に記載の外科器具。 - 前記電気活性ポリマー支持部材のそれぞれが、第2の対の内側電気活性ポリマーアクチュエータ及び外側電気活性ポリマーアクチュエータを含み、
これらの電気活性ポリマーアクチュエータがそれぞれ、前記外側湾曲端部の他方の長手方向両側に配置され、長手方向に伸長するように構成されており、
前記関節運動接合部の前記基端部分及び前記先端部分のそれぞれが、前記第2の対の内側及び前記外側電気活性ポリマーアクチュエータと前記湾曲端部の他方を受容する内側に開口した凹部を含み、
前記関節運動制御回路が、選択された前記電気活性ポリマー支持部材の両方の外側電気活性ポリマーアクチュエータを作動させて伸長させたり、その両方の内側ポリマーアクチュエータを作動させて収縮させることができるように機能的に構成されていることを特徴とする請求項15に記載の外科器具。 - 外科器具であって、
関節運動支持信号を生成するように機能的に構成された関節運動制御回路を含むハンドル部分と、
前記ハンドル部分に取り付けられた細長いシャフト、
前記細長いシャフトの先端側に取り付けられたエンドエフェクタと、
前記細長いシャフトを前記エンドエフェクタに結合する、前記細長いシャフトを介して前記関節運動支持信号を受け取る関節運動接合部と、
前記関節運動接合部の両側面に配置された一対の電気活性ポリマー支持部材とを含み、
前記各電気活性ポリマー支持部材の一端が前記関節運動接合部内に長手方向に拘束され、他端がスライド可能に受容されており、
前記各電気活性ポリマー支持部材が、前記細長いシャフトの長手方向の軸に対して整合し横方向にずれており、かつ前記関節運動支持信号に応答して横方向に曲がることを特徴とする外科器具。 - 外科器具であって、
関節運動支持信号を生成するように機能的に構成された関節運動制御回路を含むハンドル部分と、
前記ハンドル部分に取り付けられた細長いシャフト、
前記細長いシャフトの先端側に取り付けられたエンドエフェクタと、
前記細長いシャフトを前記エンドエフェクタに結合する、前記細長いシャフトを介して前記関節運動支持信号を受け取る関節運動接合部と、
前記関節運動接合部の両側面に配置された一対の電気活性ポリマー支持部材とを含み、
前記各電気活性ポリマー支持部材の両端が、前記関節運動接合部内に長手方向に拘束されており、
前記各電気活性ポリマー支持部材が、前記細長いシャフトの長手方向の軸に対して整合し横方向にずれており、かつ前記関節運動支持信号に応答して選択的に伸長または収縮することを特徴とする外科器具。
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US11/083,740 US7213736B2 (en) | 2003-07-09 | 2005-03-18 | Surgical stapling instrument incorporating an electroactive polymer actuated firing bar track through an articulation joint |
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BR (1) | BRPI0503043B8 (ja) |
CA (1) | CA2513950C (ja) |
DE (1) | DE602005026607D1 (ja) |
MX (1) | MXPA05008041A (ja) |
RU (1) | RU2435533C2 (ja) |
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- 2005-07-21 AU AU2005203192A patent/AU2005203192B2/en not_active Ceased
- 2005-07-27 DE DE602005026607T patent/DE602005026607D1/de active Active
- 2005-07-27 AT AT05254701T patent/ATE499886T1/de not_active IP Right Cessation
- 2005-07-27 JP JP2005217121A patent/JP4832827B2/ja not_active Expired - Fee Related
- 2005-07-27 RU RU2005123963/14A patent/RU2435533C2/ru not_active IP Right Cessation
- 2005-07-27 CA CA2513950A patent/CA2513950C/en not_active Expired - Fee Related
- 2005-07-27 KR KR1020050068372A patent/KR20060092838A/ko not_active Application Discontinuation
- 2005-07-27 EP EP05254701A patent/EP1621145B1/en active Active
- 2005-07-28 MX MXPA05008041A patent/MXPA05008041A/es unknown
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Also Published As
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CA2513950C (en) | 2013-03-05 |
CA2513950A1 (en) | 2006-01-28 |
BRPI0503043A (pt) | 2006-03-14 |
EP1621145A3 (en) | 2008-07-30 |
MXPA05008041A (es) | 2006-03-17 |
EP1621145A2 (en) | 2006-02-01 |
AU2005203192A1 (en) | 2006-02-16 |
US20050165415A1 (en) | 2005-07-28 |
ATE499886T1 (de) | 2011-03-15 |
RU2005123963A (ru) | 2007-02-10 |
BRPI0503043B1 (pt) | 2016-04-12 |
JP4832827B2 (ja) | 2011-12-07 |
RU2435533C2 (ru) | 2011-12-10 |
DE602005026607D1 (de) | 2011-04-14 |
BRPI0503043B8 (pt) | 2021-06-22 |
EP1621145B1 (en) | 2011-03-02 |
US7213736B2 (en) | 2007-05-08 |
AU2005203192B2 (en) | 2012-02-23 |
KR20060092838A (ko) | 2006-08-23 |
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