JP2005334663A - 軟質組織の制御された収縮のための方法及び装置 - Google Patents
軟質組織の制御された収縮のための方法及び装置 Download PDFInfo
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Abstract
【解決手段】装置10は、ハンドピース12と、該ハンドピース12と関係した電極近位端部16を有する電極14と、を含む。電極14の遠位端部18は、コラーゲン繊維の所望の収縮を生じさせるべく、制御された量のエネルギを組織に供給する形状を有する。これは、コラーゲン繊維の解離及び破壊を最小にしつつ行われる。経皮的用途では、ハンドピース12は、電極14と共に、手術用カニューレを通って導入されるように構成されている。また、手術用カニューレを装置10内に含むようにしてハンドピース12に取り付けてもよい。装置10及び方法は、コラーゲン繊維の解離又は破壊を生じることなく、コラーゲン軟質組織の所望量の収縮を実現する。
【選択図】 図1
Description
本発明の別の目的は、コラーゲン軟質組織を含む組織に対する熱拡散を制御するために流体環境内で高周波加熱を用い、コラーゲン繊維の解離及び破壊を最小にしつつコラーゲン繊維の所望の収縮を得ることである。
本発明の更に別の目的は、高周波加熱を用いて43乃至90°Cの温度分布でコラーゲン結合繊維の収縮を達成する装置を提供することである。
本発明の別の目的は、高周波加熱を用いて43乃至75°Cの温度分布でコラーゲン結合繊維の収縮を達成する装置を提供することである。
本発明の別の目的は、高周波加熱を用いて45乃至60°Cの温度分布でコラーゲン結合繊維の収縮を達成する装置を提供することである。
本発明の別の目的は、流体環境内で内視鏡を用いて案内されるハンドピースを介して高周波エネルギを供給し、コラーゲン組織の解離及び破壊を最小にしつつコラーゲン軟質組織の最大収縮を達成する装置を提供することである。
本発明の更に別の目的は、コラーゲン構造の解離を生じさせることなく、最大量のコラーゲン収縮を達成する装置を提供することである。
本発明の別の目的は、軟質組織を弾性的に収縮させると共に規制し且つ関節安定性を改善するために、関節のコラーゲン軟質組織に制御された量の高周波エネルギを供給する装置を提供することである。
本発明の別の目的は、肩嚢の不静定性を減少させると共に関節に対する安定性を改善する装置及び方法を提供することである。
電極構造に形状記憶金属を使用することもできる。形状記憶金属の利点は、該金属に熱を加えることにより撓ませ得ることにある。これは、特に、電極の遠位端部を撓ませる場合に、有効である。
電解溶液の代わりに、電解ゲルを電極から導入してもよい。
本発明の一実施形態では、電極を組織に隣接且つ離間させて位置決めするために、電極を部分的に絶縁ハウジングで囲んでいる。絶縁ハウジングの一部は、組織上に載置され、電極を通って組織の方に導入される電解溶液用の部分ダムの等価物を形成する。絶縁ハウジングの周りには、カフが設けられる。カフ及び絶縁ハウジングは、協働して、ダムから流出する溶液を組織部位から除去するための復帰電解溶液流路を形成する。
本発明のハンドピースは、ケーブルを介して、高周波エネルギ源に接続することができる。閉ループフィードバックシステムを設け、電極上の温度センサ及び高周波エネルギ源に連結することもできる。電極の温度は監視され、高周波エネルギ源の出力を調節して、組織に供給されるエネルギ量を調節する。
本発明の場合、コラーゲン繊維を含む組織に熱エネルギを伝達するために、種々のエネルギ源を使用することができる。このようなエネルギ源としては、高周波、マイクロ波、超音波、可干渉性光、及び熱伝達等があるが、これらに限定されるものではない。
重要なことは、熱エネルギが組織中に広範囲に行き亘り且つコラーゲン繊維の解離又は破壊が生じないように熱エネルギを効果的に組織に伝達すべく、制御された量の高周波エネルギが供給されることである。
導電性表面40に直接接触させる代わりに冷たい溶液を介して熱エネルギを組織に伝達することにより、組織内での熱勾配をより平坦にすることができる。これにより、表面の過熱を避けることができる。従って、組織には、より均一なレベルの熱エネルギが加わる。電解溶液44は、約30乃至55°Cの範囲で冷却してもよい。
高周波エネルギ、熱エネルギは、コラーゲン軟質組織に伝達される。熱エネルギは、コラーゲン軟質組織に1mm以上貫入する。貫入は、約3mm程度にまで及んでもよい。電極14は、最大収縮が生じるまで連続的に、コラーゲン軟質組織を横切って移動される。一実施形態において、コラーゲン軟質組織は、休止重量の約3分の2程度に収縮される。好適な温度範囲は、約43乃至90°Cである。より好適な温度範囲は、約43乃至75°Cである。一層好適な温度範囲は、45乃至60°Cである。
以上、本発明の実施形態及び用途を図示説明してきたが、ここに開示した本発明の概念から逸脱することなく、上述したもの以外にも多くの変形例が可能である、ことは当業者には明らかであろう。従って、本発明は、添付請求項の精神を除き、制限されるものはない。
Claims (14)
- 高周波エネルギを利用する方法であって、該方法は、
高周波エネルギ源と、治療装置と、該治療装置に結合され、前記高周波エネルギ源からの高周波エネルギを供給するための電極表面を有する少なくとも1つの電極とを含む装置を準備し、
皮膚表面に前記電極表面を位置決めし、
高周波エネルギを目標組織に印加し、
目標組織の融除を回避しながら高周波エネルギにより目標組織を加熱し、
目標組織のコラーゲン繊維を収縮させる、ことを含むことを特徴とする方法。 - 電極表面が流体と接触するようにして流体を皮膚表面に供給することを含むことを特徴とする請求項1に記載の方法。
- 前記流体は、ゲルであることを特徴とする請求項2に記載の方法。
- 前記流体は、皮膚に対する熱的損傷を最小にするための冷却流体であることを特徴とする請求項2に記載の方法。
- 前記高周波エネルギを印加することは、皮膚表面下1mm以上の目標組織に高周波エネルギを印加することであることを特徴とする請求項1に記載の方法。
- 高周波エネルギ源は、治療装置に結合されていることを特徴とする請求項1に記載の方法。
- 目標組織を加熱することは、目標組織の温度が約75℃を越えないように目標組織の融除を回避しながら高周波エネルギにより目標組織を加熱することであることを特徴とする請求項1に記載の方法。
- 目標組織のコラーゲン繊維を収縮させることは、美容効果を達成するために目標組織のコラーゲン繊維を収縮させることであることを特徴とする請求項1に記載の方法。
- 目標組織のコラーゲン繊維を収縮させることは、皮膚科効果を達成するために目標組織のコラーゲン繊維を収縮させることであることを特徴とする請求項1に記載の方法。
- 高周波エネルギにより目標組織のコラーゲン繊維を制御された仕方で収縮させるための装置であって、該装置は、
高周波エネルギ源と、
治療装置と、
治療装置に結合され、目標組織の融除を回避しながら高周波エネルギ源からの高周波エネルギを目標組織に供給するように皮膚表面に位置決めされるように構成された電極表面を有する少なくとも1つの電極と、を含むことを特徴とする装置。 - 皮膚表面の熱的損傷を最小にするように冷却流体を供給するための装置を含むことを特徴とする請求項10に記載の装置。
- 前記流体は、ゲルであることを特徴とする請求項11に記載の方法。
- 高周波エネルギ源は、治療装置に結合されていることを特徴とする請求項10に記載の方法。
- 高周波エネルギ源を治療装置に接続するための少なくとも1つのケーブルをさらに含むことを特徴とする請求項10に記載の装置。
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US08/238,862 US5458596A (en) | 1994-05-06 | 1994-05-06 | Method and apparatus for controlled contraction of soft tissue |
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JP52904795A Division JP3741725B2 (ja) | 1994-05-06 | 1995-05-05 | 軟質組織の制御された収縮のための装置 |
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JP52904795A Expired - Fee Related JP3741725B2 (ja) | 1994-05-06 | 1995-05-05 | 軟質組織の制御された収縮のための装置 |
JP2005181120A Pending JP2005334663A (ja) | 1994-05-06 | 2005-06-21 | 軟質組織の制御された収縮のための方法及び装置 |
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EP (1) | EP0760626B1 (ja) |
JP (2) | JP3741725B2 (ja) |
AT (1) | ATE206029T1 (ja) |
AU (1) | AU715173B2 (ja) |
CA (1) | CA2188668C (ja) |
DE (1) | DE69522939T2 (ja) |
WO (1) | WO1995030373A1 (ja) |
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JP2015517883A (ja) * | 2012-06-01 | 2015-06-25 | ボストン サイエンティフィック ニューロモデュレイション コーポレイション | 電気刺激システムのためのチップ電極を有するリード及びそれを製造し使用する方法 |
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1994
- 1994-05-06 US US08/238,862 patent/US5458596A/en not_active Expired - Lifetime
-
1995
- 1995-02-16 US US08/389,924 patent/US5569242A/en not_active Expired - Lifetime
- 1995-05-05 JP JP52904795A patent/JP3741725B2/ja not_active Expired - Fee Related
- 1995-05-05 CA CA002188668A patent/CA2188668C/en not_active Expired - Fee Related
- 1995-05-05 AU AU24321/95A patent/AU715173B2/en not_active Ceased
- 1995-05-05 DE DE69522939T patent/DE69522939T2/de not_active Expired - Lifetime
- 1995-05-05 AT AT95918355T patent/ATE206029T1/de not_active IP Right Cessation
- 1995-05-05 EP EP95918355A patent/EP0760626B1/en not_active Expired - Lifetime
- 1995-05-05 WO PCT/US1995/005432 patent/WO1995030373A1/en active IP Right Grant
-
1996
- 1996-04-24 US US08/637,095 patent/US6482204B1/en not_active Expired - Fee Related
-
2005
- 2005-02-15 US US11/058,845 patent/US20060047331A1/en not_active Abandoned
- 2005-06-21 JP JP2005181120A patent/JP2005334663A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015517883A (ja) * | 2012-06-01 | 2015-06-25 | ボストン サイエンティフィック ニューロモデュレイション コーポレイション | 電気刺激システムのためのチップ電極を有するリード及びそれを製造し使用する方法 |
Also Published As
Publication number | Publication date |
---|---|
US5569242A (en) | 1996-10-29 |
AU715173B2 (en) | 2000-01-20 |
WO1995030373A1 (en) | 1995-11-16 |
DE69522939T2 (de) | 2002-04-04 |
AU2432195A (en) | 1995-11-29 |
EP0760626A1 (en) | 1997-03-12 |
EP0760626B1 (en) | 2001-09-26 |
JP3741725B2 (ja) | 2006-02-01 |
US20060047331A1 (en) | 2006-03-02 |
DE69522939D1 (de) | 2001-10-31 |
US5458596A (en) | 1995-10-17 |
ATE206029T1 (de) | 2001-10-15 |
CA2188668A1 (en) | 1995-11-16 |
US6482204B1 (en) | 2002-11-19 |
CA2188668C (en) | 1999-01-19 |
JPH10504732A (ja) | 1998-05-12 |
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