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Publication number
JP2003102735A5
JP2003102735A5 JP2001305667A JP2001305667A JP2003102735A5 JP 2003102735 A5 JP2003102735 A5 JP 2003102735A5 JP 2001305667 A JP2001305667 A JP 2001305667A JP 2001305667 A JP2001305667 A JP 2001305667A JP 2003102735 A5 JP2003102735 A5 JP 2003102735A5
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JP
Japan
Prior art keywords
shaft
suture needle
shaft member
operation portion
gripping means
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Application number
JP2001305667A
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English (en)
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JP2003102735A (ja
JP3921681B2 (ja
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Priority claimed from JP2001305667A external-priority patent/JP3921681B2/ja
Priority to JP2001305667A priority Critical patent/JP3921681B2/ja
Priority to EP02021781A priority patent/EP1297787B1/en
Priority to DE60200998T priority patent/DE60200998T2/de
Priority to AT02021781T priority patent/ATE273659T1/de
Priority to CNB021529159A priority patent/CN100435742C/zh
Priority to US10/260,435 priority patent/US6991635B2/en
Publication of JP2003102735A publication Critical patent/JP2003102735A/ja
Publication of JP2003102735A5 publication Critical patent/JP2003102735A5/ja
Publication of JP3921681B2 publication Critical patent/JP3921681B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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【0018】
次に、本発明の心臓内縫合装置を使用して行う欠損部閉鎖術について、図8〜図15を用いて説明する。先ず、外科的に胸部を切開し、心臓を確認する。次に心臓の一部(通常、右心耳)に穴を開け、この穴から心臓内縫合装置挿入用シース(図示していない)を目的部位の近くまで挿入する。続いて図1に示すような心臓内縫合装置(第3のシャフト31と第2の縫合針把持手段51の関係は図5および図6に示すようになっている)をシース内に挿入し、目的部位の近くまで案内する。次に、図8に示すように、先端部分をシースから突出させ、第1の縫合針把持手段4部分を心臓内の欠損孔DAに挿入して、欠損孔DAが切り欠き14の部分に位置するようにする。次いで、必要ならば内視鏡8などの視覚手段で心臓内の位置関係を確認しながら、第2のシャフト部材2を手で押しこんで第1のシャフト部材1に関して前進させ、把持手段収容部13と第2のシャフト21の先端で欠損孔DAの周りの組織Tを挟み込む。この時、第3のシャフト部材3は第2のシャフト部材2と一緒に前進する(図9)。次に、この把持手段収容部13と第2のシャフト21の間に組織Tを挟みこんだ状態で操作部33を手で押し、第3のシャフト部材3を第2のシャフト部材2に関して前進させる。すると、第3のシャフト31内に収容された第2の縫合針把持手段51も第3のシャフト31と一緒に前進して組織Tを穿刺し、縫合針6の先端部分が第1の縫合針把持手段4に挿入され把持される(図10)。次に、穿刺部材5の操作部54に対して操作部33を後退させると、膨部552が第3のシャフト31の外に出て中空部材55の第3のシャフト31による圧縮が解除されるので、中空部材55の内径が縫合針6の外径より大きくなり、縫合針6は第2の縫合針把持手段51から解放される(図11)。この時コイルバネ53は圧縮されている。この状態で第1のシャフト部材1を手で押しこんで第2のシャフト部材に関して前進させ、縫合針6を組織Tに関して第2の縫合針把持手段51の反対側に出すと、縫合針6は第1の縫合針把持手段4に受け渡され、図12のような状態になる。
【0019】
次に、心臓内縫合装置全体を若干後退させ、操作部33を手で把持した状態で穿刺部材5の操作部54から手を離すと、コイルバネ53の弾発力により第2の縫合針把持手段51は後退し、膨部552は第3のシャフト31の中に収容される。この状態で心臓内縫合装置全体を移動させ組織Tを切り欠き14の外に出すと、図13のような状態になる。この状態で第2のシャフト部材2を手で押しこんで第1のシャフト部材1に関して図9と略同じ位置まで前進させ、さらに穿刺部材5の操作部54に対して操作部33を後退させると、膨部552が第3のシャフト31の外に出て中空部材55の第3のシャフト31による圧縮が解除され、中空部材55の内径が縫合針6の外径より大きくなる。この状態で操作部33を手で押しこんで第3のシャフト部材3を第2のシャフト部材2に関して前進させると、縫合針6は第2の縫合針把持手段51に収容される(図14)。この時コイルバネ53は圧縮されている。次に、穿刺部材5の操作部54と第2のシャフト部材2を手で把持した状態で操作部33から手を離すと、コイルバネ53の弾発力により第3のシャフト部材3は前進し、膨部552は第3のシャフト31の中に収容されるので、中空部材55が第3のシャフト31によって圧縮され、中空部材55の内径が縫合針6の外径より小さくなり、縫合針6は第2の縫合針把持手段51に把持される。この状態で第1のシャフト部材1を手で押しこんで第2のシャフト部材2に関して前進させると、縫合針6は第2の縫合針把持手段51に受け渡され、図15のような状態になる。この操作を数回繰り返し行い、専用の器具を用いて縫合糸を結紮、切断することにより欠損部閉鎖術は完了する。
【符号の説明】
1 第1のシャフト部材
11 第1のシャフト
111 ルーメン
12 コネクタ
13 把持手段収容部
14 切り欠き
2 第2のシャフト部材
21 第2のシャフト
211 ルーメン
22 コネクタ
3 第3のシャフト部材
31 第3のシャフト
311 ルーメン
312 環状突起
33 操作部
4 第1の縫合把持手段
41 中空部材
411 スリット
42 縫合針挿入口
43 中空部材
431 スリット
432 膨部
44 押圧部材
45 コイルバネ
46 閉鎖部材
5 穿刺部材
51 第2の縫合針把持手段
52 操作ロッド
53 コイルバネ
54 操作部
55 中空部材
551 スリット
552 膨部
553 フランジ
6 縫合針
7 縫合糸
8 内視鏡
DA 欠損孔
T 組織
JP2001305667A 2001-10-01 2001-10-01 心臓内縫合装置 Expired - Fee Related JP3921681B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2001305667A JP3921681B2 (ja) 2001-10-01 2001-10-01 心臓内縫合装置
EP02021781A EP1297787B1 (en) 2001-10-01 2002-09-26 Intracardiac suture device
DE60200998T DE60200998T2 (de) 2001-10-01 2002-09-26 Vorrichtung zum intrakardialen Nähen
AT02021781T ATE273659T1 (de) 2001-10-01 2002-09-26 Vorrichtung zum intrakardialen nähen
CNB021529159A CN100435742C (zh) 2001-10-01 2002-09-30 心内缝合装置
US10/260,435 US6991635B2 (en) 2001-10-01 2002-10-01 Intracardiac suture device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001305667A JP3921681B2 (ja) 2001-10-01 2001-10-01 心臓内縫合装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006314750A Division JP4088978B2 (ja) 2006-11-21 2006-11-21 心臓内縫合装置

Publications (3)

Publication Number Publication Date
JP2003102735A JP2003102735A (ja) 2003-04-08
JP2003102735A5 true JP2003102735A5 (ja) 2004-11-25
JP3921681B2 JP3921681B2 (ja) 2007-05-30

Family

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Family Applications (1)

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JP2001305667A Expired - Fee Related JP3921681B2 (ja) 2001-10-01 2001-10-01 心臓内縫合装置

Country Status (6)

Country Link
US (1) US6991635B2 (ja)
EP (1) EP1297787B1 (ja)
JP (1) JP3921681B2 (ja)
CN (1) CN100435742C (ja)
AT (1) ATE273659T1 (ja)
DE (1) DE60200998T2 (ja)

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