JP2016526473A - 結び目のない縫合糸留め具の据付システム - Google Patents
結び目のない縫合糸留め具の据付システム Download PDFInfo
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Abstract
Description
a. 配置器具シャフトの遠位先端部からカートリッジを取り外す、
b. 第2の留め具カートリッジおよび縫合糸スネアサブアセンブリを、配置器具シャフトの遠位先端部に取り付ける、
c. スネア部分を用いて事前据付された縫合糸のうちの第2のものをスネアリングする、
d. 配置器具を用いて、第2のカートリッジをインプラントへと、第2の縫合糸に沿って第2の縫合糸留め具が縫合糸の貫通可能な部分に隣接するまで前進させる、
e. 器具シャフト内でエジェクタを作動して第2の縫合糸留め具と接触させ、これをその開放状態から、挟み込み構造が縫合糸を挟み込むその閉鎖状態へと切り替える、
f. 第2の縫合糸を切断する。
図9は、近位ハンドル202およびそこから延在する細長い遠位シャフト204を有する、本出願において開示する縫合糸留め具を据え付けるための、例示の留め具配置器具200を示す。このハンドルはトリガ作動装置206を組み込むが、他の作動装置が企図される。配置器具200の全長、および少なくともシャフト204の長さは、約10〜16インチの間など、外科的部位の外側から大動脈弁輪まで延在するのに十分なものであるべきである。配置器具200は、外科的処置の間に再利用されることが意図されており、次の処置のための消毒を可能にする材料で好ましくは製作される。たとえば、外側シャフト204は、ステンレス鋼管から製作され、心臓弁の修復または置換時のまたは他の医療デバイスのインプラントのための、様々な外科的手法を容易にするために、複数の長さにおいて利用可能であり得る。シャフト204の例示の外径は、約3.2mm(1/8インチ)である。
4 僧帽弁、僧帽弁組織
6 縫合糸
8 結び目
10 デバイス
30 縫合糸留め具
32 外側縁部
32' 外側縁部
34 タブ
34' タブ
36 タブ
36' タブ
38 スロット
38' スロット
40 スロット
40' スロット
42 中間スリット
42' 中間スリット
43 縫合糸
44 縫合糸留め具
45 ノッチを有する領域または凹部領域
46 縫合糸留め具
47 蛇行した区域
48 円形の拡大部
49 切欠き
50 縫合糸留め具
52 環状の外側本体
54 係合タブ
56 係合タブ
58 側部タブ
60 側部タブ
62 係合表面
64 縫合糸
100 縫合糸留め具
102 外側本体
104 タブ
106 スリット
110 縫合糸留め具
112 外側本体
114 内側タブ
116 スリット
120 縫合糸固定縫合糸留め具
122 外側本体
124 タブ
126 タブ
128 スロット
129 スリット
130 縫合糸固定縫合糸留め具
132 外側本体
134 タブ
136 タブ
138 スロット
139 スリット
200 留め具配置器具
202 近位ハンドル
204 遠位シャフト、配置器具シャフト
206 作動装置
210 サブアセンブリ
212 留め具カートリッジ
214 縫合糸スネア
216 遠位先端部
218 近位つまみ
220 遠位ループ、フック、またはスネア端部
222 可撓性ワイヤまたはストリップ、可撓性ストリップ
224 縫合糸スネア
226 ワイヤループ
228 近位ハンドル
229 配設グリップ/キー
230 レバー腕部
232 枢動点
234 押しロッド
236 留め具エジェクタ
238 指部
240 遠位肩部
242 ロックピン、ピン
244 側方ポート
246 L字形状のスロット
248a 円周方向の部分
248b 軸方向の部分
250 縫合糸留め具
252 カートリッジ本体
254 近位口部
256 スロット
258 スロット
260 ロックアウト
262 ルーメン
264 リブ
266 停止部、突出部
268 タブ
270 アクセスポート
300 縫合糸スネア
302 目印線
304 配設グリップ/キー、キー
305 第2の目印線
306 可撓性ワイヤ
308 近位ハンドル
309 外側溝部
310 縫合糸
Claims (15)
- 遠位先端部において終端する遠位シャフトを有する再利用可能な配置器具であって、前記遠位シャフト内で移動可能なエジェクタを備える配置器具と、
使い捨ての留め具カートリッジおよび縫合糸スネアを事前組み立てしてなる複数のサブアセンブリと、
を備える、縫合糸を結び目なしで固定するためのシステムであって、
前記複数のサブアセンブリの各々が、
ルーメンを有するカートリッジであって、前記ルーメンが前記ルーメンの遠位端の中に単一の縫合糸留め具を受容し、前記カートリッジの前記ルーメンの近位端が前記配置器具のシャフトの前記遠位先端部に係合するようなサイズとされている、前記カートリッジと、
挟み込み構造を有する前記縫合糸留め具であって、前記挟み込み構造を撓ませて縫合糸が通過することのできる開放状態にすることができ、前記挟み込み構造が、前記挟み込み構造が前記縫合糸留め具を通過した縫合糸を挟み込む閉鎖位置に向けて付勢されており、前記カートリッジが有する少なくとも1つの停止部によって前記縫合糸留め具がその開放状態に維持される、前記縫合糸留め具と、
細長い可撓性のスネア部分を有する縫合糸スネアであって、前記スネア部分が、係合された前記カートリッジおよび前記配置器具のシャフトにおける位置合わせされたポートを通って半径方向内向きに通過すると共に開放状態の前記縫合糸留め具を通って遠位方向に通過するようなサイズとされており、前記スネア部分が、縫合糸を捕捉して前記縫合糸留め具を通して近位方向に引っ張って縫合糸を前記カートリッジおよび前記配置器具のシャフトにおける前記位置合わせされたポートから外に出すように適合されている、前記縫合糸スネアと、
を備えており、
前記カートリッジが前記配置器具と係合すると、移動する前記エジェクタが前記縫合糸留め具と接触し、前記縫合糸留め具が、その開放状態からその閉鎖状態へと切り替わって、前記縫合糸留め具を通過した縫合糸を挟み込む、システム。 - 前記配置器具が、トリガを有する近位ハンドルを有しており、前記エジェクタが、前記トリガの作動によって前記配置器具のシャフト内で長手方向に移動可能である、請求項1に記載のシステム。
- 前記エジェクタが、先鋭な縁部をさらに備えており、前記縁部の移動によって、前記縫合糸留め具を通って延在して前記カートリッジおよび前記配置器具のシャフトにおける前記位置合わせされたポートから外に出る縫合糸が切断されるようになっている、請求項1に記載のシステム。
- 前記縫合糸留め具が円盤形状の本体を備え、前記挟み込み構造が、前記本体からスリットで分離されるとともに閉鎖状態に向けてばね付勢されている少なくとも1つのタブを備え、前記閉鎖状態において前記タブが前記本体と並んでおり、前記縫合糸留め具をその開放状態に維持する前記少なくとも1つの停止部が、前記本体と並んだ状態から離れるように前記タブを撓ませる、請求項1に記載のシステム。
- 前記縫合糸スネアが、可撓性ループの形態の前記細長い可撓性のスネア部分に接続された近位ハンドルと、前記可撓性ループを受容して開放させておくための周縁溝部を有するグリップ/キーと、を備えており、前記グリップ/キーが、前記カートリッジの遠位端に取り外し可能に取り付けられている、請求項1に記載のシステム。
- 前記カートリッジが概ね管状であり、前記近位端が、円形のロックアウトにおいて終端するL字形状のスロットを備え、前記円形のロックアウトが、前記配置器具のシャフトから外向きに延在するロックピンを受容し、前記カートリッジが、軸方向に前進させてから前記配置器具のシャフトの前記遠位先端部の上を回転させて前記ロックピンを前記円形のロックアウト内に位置付けることによって、前記配置器具のシャフトの前記遠位先端部に係合する、請求項1に記載のシステム。
- 前記配置器具のシャフトの遠位先端部が、軸方向に延在する部分および円周方向の部分を有するL字形状のスロットを有し、前記軸方向に延在する部分が、前記カートリッジ上に位置する前記位置合わせされたポートのうちの第1の位置合わせされたポートと位置合わせされていることで、前記カートリッジを前記配置器具のシャフトに係合するときに前記スネア部分上に巻き付くことが回避され、前記円周方向の部分が、前記配置器具のシャフト上に位置する前記位置合わせされたポートのうちの第2の位置合わせされたポートにおいて終端しており、前記第1の位置合わせされたポートおよび前記第2の位置合わせされたポートは、前記カートリッジおよび前記配置器具のシャフトが完全に係合しているときのみ位置合わせされる、請求項6に記載のシステム。
- 遠位先端部において終端する遠位シャフトを有する配置器具であって、前記遠位先端部がその表面にロック構造を有し、前記配置器具が前記配置器具のシャフト内で移動可能なエジェクタを備え、前記配置器具のシャフトが前記遠位先端部に隣接する側方ポートを有する、前記配置器具と、
挟み込み構造を有する縫合糸留め具であって、前記挟み込み構造を撓ませて縫合糸が通過することのできる開放状態にすることができ、前記挟み込み構造が、前記挟み込み構造が前記縫合糸留め具を通過した縫合糸を挟み込む閉鎖位置に向けて付勢されている、前記縫合糸留め具と、
ルーメンを有する留め具カートリッジであって、前記ルーメンが、遠位端で前記縫合糸留め具を受容すると共に、前記縫合糸留め具をその開放状態に維持する少なくとも1つの停止部を有しており、前記カートリッジの近位端が、前記配置器具のシャフトの前記遠位先端部の前記ロック構造に係合するための嵌合構造を有し、前記カートリッジがアクセスポートも備え、前記アクセスポートと前記配置器具のシャフトの前記側方ポートとが係合されると前記アクセスポートが前記配置器具のシャフトの前記側方ポートと位置合わせされる、前記留め具カートリッジと、
細長い可撓性のスネア部分を有する縫合糸スネアであって、前記スネア部分が、前記カートリッジの前記アクセスポートを通って通過し、前記配置器具のシャフトの前記側方ポートを通って通過し、さらに開放状態の前記縫合糸留め具を通って遠位方向に通過するようなサイズとされている、前記縫合糸スネアと、
を備える、縫合糸を結び目なしで固定するためのシステムであって、
移動する前記エジェクタが前記縫合糸留め具と接触し、前記縫合糸留め具が、その開放状態からその閉鎖状態へと切り替わって、前記縫合糸留め具を通過した縫合糸を挟み込む、システム。 - 前記配置器具が、トリガを有する近位ハンドルを有しており、前記エジェクタが、前記トリガの作動によって前記配置器具のシャフト内で長手方向に移動可能である、請求項8に記載のシステム。
- 前記エジェクタが、先鋭な縁部をさらに備えており、前記縁部の移動によって、前記縫合糸留め具を通って延在して前記カートリッジおよび前記配置器具のシャフトにおける前記位置合わせされたポートから外に出る縫合糸が切断されるようになっている、請求項8に記載のシステム。
- 前記縫合糸留め具が円盤形状の本体を備え、前記挟み込み構造が、前記本体からスリットで分離されるとともに前記閉鎖状態に向けてばね付勢されている少なくとも1つのタブを備え、前記閉鎖状態において前記タブが前記本体と並んでおり、前記縫合糸留め具をその開放状態に維持する前記少なくとも1つの停止部が、前記本体と並んだ状態から離れるように前記タブを撓ませる、請求項8に記載のシステム。
- 前記縫合糸スネアが、可撓性ループの形態の前記細長い可撓性のスネア部分に接続された近位ハンドルと、前記可撓性ループを受容して開放させておくための周縁溝部を有するグリップ/キーを備えており、前記グリップ/キーが、前記カートリッジの遠位端に取り外し可能に取り付けられている、請求項8に記載のシステム。
- 前記カートリッジが、ルーメンを有する概ね管状のポリマー体の中に埋め込まれた金属インサートを備え、前記金属インサートが、前記縫合糸留め具をその開放状態に維持する前記少なくとも1つの停止部を形成し、前記停止部が前記ルーメン内にある、請求項8に記載のシステム。
- 前記カートリッジが概ね管状であり、前記近位端が、円形のロックアウトにおいて終端するL字形状のスロットを備え、前記円形のロックアウトが、前記配置器具のシャフトから外向きに延在するロックピンを受容し、前記カートリッジが、軸方向に前進させてから前記配置器具のシャフトの前記遠位先端部の上を回転させて前記ロックピンを前記円形のロックアウト内に位置付けることによって、前記配置器具のシャフトの前記遠位先端部に係合する、請求項8に記載のシステム。
- 前記配置器具のシャフトの遠位先端部が、軸方向に延在する部分および円周方向の部分を有するL字形状のスロットを有し、前記軸方向に延在する部分が、前記カートリッジ上に位置する前記位置合わせされたポートのうちの第1の位置合わせされたポートと位置合わせされていることで、前記カートリッジを前記配置器具のシャフトに係合するときに前記スネア部分上に巻き付くことが回避され、前記円周方向の部分が、前記配置器具のシャフト上に位置する前記位置合わせされたポートのうちの第2の位置合わせされたポートにおいて終端しており、前記第1の位置合わせされたポートおよび前記第2の位置合わせされたポートは、前記カートリッジおよび前記配置器具のシャフトが完全に係合しているときのみ位置合わせされる、請求項14に記載のシステム。
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WO2015006739A1 (en) | 2015-01-15 |
CA2902233C (en) | 2021-01-12 |
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CN105073026A (zh) | 2015-11-18 |
CN105073026B (zh) | 2018-02-02 |
EP3019091B1 (en) | 2019-10-30 |
JP6345775B2 (ja) | 2018-06-20 |
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CA2902233A1 (en) | 2015-01-15 |
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US10426458B2 (en) | 2019-10-01 |
US20150018879A1 (en) | 2015-01-15 |
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