JP2010000335A - 超音波処置具 - Google Patents
超音波処置具 Download PDFInfo
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- JP2010000335A JP2010000335A JP2009018560A JP2009018560A JP2010000335A JP 2010000335 A JP2010000335 A JP 2010000335A JP 2009018560 A JP2009018560 A JP 2009018560A JP 2009018560 A JP2009018560 A JP 2009018560A JP 2010000335 A JP2010000335 A JP 2010000335A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32056—Surgical snare instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320089—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic node location
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
- A61B2017/320093—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing cutting operation
Abstract
【解決手段】超音波処置具は、超音波振動を発生する超音波振動子ユニットと、超音波振動子ユニットと基端側にて接続し、超音波振動子ユニットにて発生した超音波振動を基端側から先端側に伝達する伝達部材と、伝達部材が挿通されるシースと、シースの先端から突出するように伝達部材の先端に配設され、超音波振動によって処置対象部位を処置する処置部と、処置部に配設され、処置対象部位を処置する処置部本体部と、シースの先端から突出するようにシースの中に配設され、処置対象部位を処置する処置部材と、処置部材の先端に配設され、処置対象部位を処置する処置部材本体部と、を具備し、処置部材本体部が処置部本体部と重なることで、処置部材本体部と処置部本体部とは処置対象部位を処置する。
【選択図】 図5
Description
図1から図5を参照し、第1の実施形態について説明する。
図1に示すように整形外科用の超音波処置具1は、例えば整形外科手術における処置対象部位を処置する。処置対象部位とは、例えば骨や軟骨などの硬組織等である。処置とは、例えば切除や切削などである。
処置部31が生体組織の処置対象部位に接触する。この状態で図示しない超音波振動駆動装置にて発生した電力は、図示しない超音波振動駆動装置から出力用接続ケーブル2を通じて超音波振動子ユニット12に供給され、超音波振動子ユニット12によって超音波振動に変換される。超音波振動は、ホーン12aによって増幅され、プローブ30に伝達される。このとき超音波振動は、ホーン30dによってさらに増幅され、プローブ30から処置部31を通じて処置対象部位に伝達される。つまり超音波振動は、プローブ30の基端側から先端側に伝達される。これにより処置対象部位は、処置部31にて超音波振動によって処置される。
本実施形態の処置部33は、開口部31aを有しておらず、プローブ30の長手軸方向に対して略垂直方向に起上している突起部33aを一体的に有している。つまり突起部33aを含む処置部33は、鉤形状を有している。突起部33aは、上述した略垂直方向における突起部33aの先端にせん断エッジ31bと同様のせん断部であるせん断エッジ33b(処置部本体部)を有している。突起部33aは、上述した略垂直方向において、せん断エッジ33bが外刃21aと重なる所望な高さを有している。
本実施形態の超音波処置具1は、操作部40が回動操作された際に、操作部40の回動操作に応じて、処置部42に対して回動する切断部材44を有している。切断部材44は、処置部42に対して回動可能であり、処置対象部位を切断により処置する処置部材である。
Claims (8)
- 超音波振動を発生する超音波振動子ユニットと、
前記超音波振動子ユニットと基端側にて接続し、前記超音波振動子ユニットにて発生した超音波振動を基端側から先端側に伝達する伝達部材と、
前記伝達部材が挿通されるシースと、
前記シースの先端から突出するように前記伝達部材の先端に配設され、前記伝達部材から伝達される超音波振動によって処置対象部位を処置する処置部と、
前記処置部に配設され、前記処置対象部位を処置する処置部本体部と、
前記シースの先端から突出するように前記シースの中に配設され、前記処置対象部位を処置する処置部材と、
前記処置部材の先端に配設され、前記処置対象部位を処置する処置部材本体部と、
を具備し、
前記処置部材本体部が前記処置部本体部と重なることで、前記処置部材本体部と前記処置部本体部とは前記処置対象部位を処置することを特徴とする超音波処置具。 - 前記処置部材は前記伝達部材の長手軸方向に沿って前記伝達部材に対してスライドするせん断部材であり、前記処置部本体部はせん断部であり、前記処置部材本体部が前記処置部本体部とは前記処置対象部位をせん断によって処置することを特徴とする請求項1に記載の超音波処置具。
- 前記処置部は、前記伝達部材の長手軸方向に長径なループ形状を有し、
前記処置部本体部は、ループ内の前記伝達部材の長手軸方向の先端側にて、前記伝達部材の長手軸方向に対して所望に傾いて配設されていることを特徴とする請求項2に記載の超音波処置具。 - 前記処置部は、前記伝達部材の長手軸方向に長径なループ形状を有し、
前記処置部本体部は、ループ内の前記伝達部材の長手軸方向の先端側にて、前記伝達部材の長手軸方向に対して略垂直に配設されていることを特徴とする請求項2に記載の超音波処置具。 - 前記処置部は、前記伝達部材の長手軸方向に対して略垂直方向に起上している突起部を有し、
前記突起部は、略垂直方向における前記突起部の先端に前記処置部本体部を有していることを特徴とする請求項2に記載の超音波処置具。 - 前記処置部材は、前記処置部に対して回動可能であることを特徴とする請求項1に記載の超音波処置具。
- 前記処置部は、前記伝達部材の長手軸方向に長径なループ形状を有し、
前記処置部本体部は、ループ内にて、前記伝達部材の長手軸方向に沿って配設され切断部であり、
前記処置部材は、切断部材であり、
前記処置部材が前記処置部に向かって回動し、前記処置部材本体部と前記処置部本体部とが重なり、前記処置部材本体部と前記処置部本体部とが前記処置対象部位を挟むことで、前記処置部材本体部と前記処置部本体部とは前記処置対象部位を切断によって処置することを特徴とする請求項6に記載の超音波処置具。 - 前記処置部は、前記伝達部材の長手軸方向の略垂直な方向から平面視した際に、略U字形状を有し、
前記処置部本体部は、平面視した際に相対するU字形状の一方の辺とU字形状の他方の辺とにそれぞれ配設されていることを特徴とする請求項7に記載の超音波処置具。
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US7389908P | 2008-06-19 | 2008-06-19 | |
US61/073,899 | 2008-06-19 |
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JP2010000335A true JP2010000335A (ja) | 2010-01-07 |
JP5379501B2 JP5379501B2 (ja) | 2013-12-25 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6033503B1 (ja) * | 2015-07-23 | 2016-11-30 | オリンパス株式会社 | 超音波処置具及び超音波処置アッセンブリ |
WO2018078825A1 (ja) * | 2016-10-28 | 2018-05-03 | オリンパス株式会社 | 超音波プローブ |
WO2018078970A1 (ja) * | 2016-10-28 | 2018-05-03 | オリンパス株式会社 | 超音波プローブ |
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Also Published As
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EP2135570A3 (en) | 2009-12-30 |
JP5379501B2 (ja) | 2013-12-25 |
EP2135570B1 (en) | 2016-12-07 |
US20090318945A1 (en) | 2009-12-24 |
US8236018B2 (en) | 2012-08-07 |
EP2135570A2 (en) | 2009-12-23 |
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