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JP5031395B2 - エネルギーに基づく治療システムおよび方法 - Google Patents

エネルギーに基づく治療システムおよび方法 Download PDF

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JP5031395B2
JP5031395B2 JP2007035199A JP2007035199A JP5031395B2 JP 5031395 B2 JP5031395 B2 JP 5031395B2 JP 2007035199 A JP2007035199 A JP 2007035199A JP 2007035199 A JP2007035199 A JP 2007035199A JP 5031395 B2 JP5031395 B2 JP 5031395B2
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JP2007229454A (ja
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ケビン・エル・ハウザー
サラ・エイ・ノスチャング
ジョージ・エヌ・グティエレス
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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    • AHUMAN NECESSITIES
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    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00017Electrical control of surgical instruments
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    • A61B2017/00026Conductivity or impedance, e.g. of tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B17/00Surgical instruments, devices or methods
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    • A61B2017/00084Temperature
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320094Surgical 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 clamping operation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320095Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw with sealing or cauterizing means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00875Resistance or impedance
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06Measuring instruments not otherwise provided for
    • A61B2090/064Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension

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Description

開示の内容
〔発明の分野〕
本発明は一般的に治療システムおよび方法に関し、特にエネルギーに基づく(energy-based)治療システムおよびエネルギーに基づく治療方法に関する。
〔発明の背景〕
超音波外科用ブレードを有する超音波外科用大鋏(shears)の形のクランプ凝結装置(clamp coagulator)と、ブレードに対して開閉操作ができるクランピングアーム(clamping arm)と、クランピングアームに取付けられた組織パッド(tissue pad)と、組織パッドの締付け面領域(clamping surface area)とブレードとの間に配される血管に締付け圧力(clamping pressure)をかけるクランピングアームに、締付け力(clamping force)を与える装置と、を含むエネルギーに基づく治療システムが知られている。超音波外科ブレードの超音波振動および血管への締付け圧力により、血管の癒合(血管壁がくっ付くこと(bringing together of the walls of the blood vessel))、癒合した血管の切開(切断)、および癒合した血管の切断端部の凝結(閉じること(sealing))がおこなわれる。RF(無線周波数)クランプ凝結装置の形のエネルギーに基づく治療システムも知られている。
科学者達や技術者達は、エネルギーに基づく治療システムの改良およびエネルギーに基づく治療方法の改良を依然求めつづけている。
〔発明の概要〕
本発明の方法は、治療方法であり、ステップa)〜g)を含む。ステップa)は、エネルギーに基づくクランプ凝結装置を得ることを含む。ステップb)は、エネルギーに基づくクランプ凝結装置を使って患者組織(patient tissue)に締付け力を加えることを含む。ステップc)は、エネルギーに基づくクランプ凝結装置を使って患者組織の凝結を開始することを含む。ステップd)は、締付け力を測定することを含む。ステップe)は、患者組織の音響インピーダンスを測定することを含む。ステップf)は、少なくとも測定した締付け力を使って、締付け圧力について患者組織の測定された音響インピーダンスを補償することを含む。ステップg)は、少なくとも、測定され補償された音響インピーダンスを使って患者組織の凝結をモニターすることを含む。
本発明の第1実施例は、エネルギーに基づくクランプ凝結装置と、音響インピーダンス測定器と、力測定器とを含むエネルギーに基づく治療システムに対するものである。エネルギーに基づくクランプ凝結装置は、患者組織を締付けるように構成されている。音響インピーダンス測定器は、エネルギーに基づくクランプ凝結装置に動作可能に連結され、締付けられた患者組織の音響インピーダンスを測定する。力測定器は、エネルギーに基づくクランプ凝結装置に動作可能に連結され、締付けられた患者組織に対する締付け力を測定する。
本発明の第2実施例は、二つの締付け部材を有し、それら二つの締付け部材の間で締付けられた患者組織を凝結するように構成されたエネルギーに基づくクランプ凝結装置を含む、エネルギーに基づく治療システムに対するものであり、上記二つの締付け部材は、締付けられた患者組織の電気インピーダンスを測定するための電気インピーダンス測定電極を含むか、あるいはそのような電気インピーダンス測定電極として機能するよう構成されている。
本発明の第3実施例は、二つの締付け部材を有し、それら二つの締付け部材の間で締付けられた患者組織を凝結するように構成されたエネルギーに基づくクランプ凝結装置を含む、エネルギーに基づく治療システムに対するものであり、上記二つの締付け部材の少なくとも一つは、締付けられた患者組織の温度を測定するための温度センサーを含むか、あるいはそのような温度センサーとして機能するよう構成されている。
本発明の一つあるいは複数の方法および実施例から幾つかの利益および利点が得られる。一例においては、患者組織の凝結をモニターすることにより、その凝結が目標以外の組織に及ぶことなく、またエネルギーが目標組織を更に乾燥させたりあるいは損傷したりすることなく目標とする組織の凝結が終了したときに、コントローラーが、エネルギーに基づくクランプ凝結装置をオフにすることができるか、あるいはクランプ凝結装置をオフにするよう使用者に指示するインジケータを作動させることができる。
本発明は、真直ぐの、あるいは湾曲した超音波外科用ブレード(使用するエネルギーが超音波の場合)と共に制限なく適用でき、さらにロボット援用器具ばかりでなく手動の器具にも適用できる。
〔発明の詳細な説明〕
発明の詳細の説明に先立って、本発明はその適用あるいは使用において添付図面および説明に例示された構成および部品の配置の詳細に限定されないことを理解すべきである。本発明の例示の実施例は、他の実施例、変更および変形において実施することができ、あるいはそれらに組込むことができ、また様々な方法で実行あるいは実施できる。さらに、特に断らない限り、本明細書に用いた用語および表現は、読む人の便宜を考えて本発明の実施例を説明する目的で選んだもので、本発明を限定するためのものではない。
以下に述べる実施例、例などのいずれか一つあるいは複数は、以下に述べる他の実施例、例などのいずれか一つあるいは複数のものと組み合わせることができることが理解される。
同じ参照符号は同じ要素を示す、図面を参照すると、図1は本発明の方法を示すもので、図2〜図3はその方法を実施するための装置の一例としてエネルギーに基づく治療システム10の実施例を示す。本方法は治療のためのものであり、ステップa)〜g)を含む。ステップa)は、図1のブロック12に「クランプ凝結装置を得る」と標記されている。ステップa)は、エネルギーに基づくクランプ凝結装置14を得ることを含む。ステップb)は、図1のブロック16に「締付け力を加える」と標記されている。ステップb)は、エネルギーに基づくクランプ凝結装置14を使って患者組織18に締付け力を加えることを含む。ステップc)は、図1のブロック20に「患者組織の凝結を開始する」と標記されている。ステップc)は、エネルギーに基づくクランプ凝結装置14を使って患者組織18の凝結を開始することを含む。ステップd)は、図1のブロック22に「締付け力を測定する」と標記されている。ステップd)は、締付け力を測定することを含む。ステップe)は、図1のブロック24に「音響インピーダンスを測定する」と標記されている。ステップe)は、患者組織18の音響インピーダンスを測定することを含む。ステップf)は、図1のブロック26に「測定インピーダンスを補償する」と標記されている。ステップf)は、患者組織18の測定した音響インピーダンスを、締付け圧力について、少なくとも測定した締付け力を使って補償することを含む。ステップg)は、図1のブロック28に「凝結をモニターする」と標記されている。ステップg)は、少なくとも測定され補償された音響インピーダンスを使って患者組織18の凝結をモニターすることを含む。
本発明方法の一例証として、エネルギーに基づくクランプ凝結装置14は発電機30の出力により電力が供給される。この例証では、本発明方法は、モニターしている患者組織18の凝結に基づいて出力を調節するステップも含んでいる。一変形例では、モニターしている凝結が終わりに近づくにつれ出力を調節して低下させ、モニターした凝結が終了したときに発電機30をオフにする。他の例証では、本発明方法は、患者組織18のモニターされている凝結を(視覚的合図および/あるいは音声の合図および/あるいは他の合図などにより)エネルギーに基づくクランプ凝結装置14の使用者に知らせる(凝結が終了したときにエネルギーに基づくクランプ凝結装置14への動力を使用者がオフにできるように知らせるなど)ステップをさらに含む。
本発明方法の一適用例においては、エネルギーに基づくクランプ凝結装置14は超音波ブレード34、およびクランプアーム36(クランプアームの組織パッドは明確にするため図3では省略)を有する超音波外科鋏32である。図示していない他の適用例では、エネルギーに基づくクランプ凝結装置は、モノポーラ電極あるいはバイポーラ電極を有するRF(無線周波数)クランプ凝結装置である。一変形例では、そのRFクランプ凝結装置は二つのクランプ部材を有し、各クランプ部材は、電流をそれら二つのクランプ部材間に流すためのバイポーラ電極を支持するか、あるいはバイポーラ電極として機能するように構成されている。
本発明の第1の実施例は、エネルギーに基づく治療システム10に対するものであり、図2〜図3に示されている。エネルギーに基づく治療システム10は、エネルギーに基づくクランプ凝結装置14と、音響インピーダンス測定器38と、力測定器40とを含む。エネルギーに基づくクランプ凝結装置14は、患者組織18を締付けるように構成されている。音響インピーダンス測定器38は、エネルギーに基づくクランプ凝結装置14に動作可能に連結され、締付けられた患者組織18の音響インピーダンスを測定する。力測定器40は、エネルギーに基づくクランプ凝結装置14に動作可能に連結され、締付けられた患者組織18に加えられている締付け力を測定する。
図2〜図3の実施例の実施において、音響インピーダンス測定器38は、発電機30の出力を治療中に測定し、発電機30から流れる電流を測定し、また音響インピーダンスは発電機30による電気量とみなされるので、測定した出力を測定した電流の自乗で割る、回路構成要素(circuitry)(図示せず)を含む。これと同じあるいは他の実施において、力測定器40は、エネルギーに基づくクランプ凝結装置14が患者組織18に締付け力を加えるようにエネルギーに基づくクランプ凝結装置14のクランプ機構に使用者あるいはモータが加える力(手動で駆動されるクランプアームの場合には手動で加える力、あるいはモータ駆動のクランプアームの場合にはモータで加える力[トルクは回転力と考えられる])を測定する力変換器(図示せず)と、測定した手動あるいはモータで加えた力を測定された締付け力に変換する回路構成要素(図示せず)と、を含む。音響インピーダンス測定器および力測定器の他の実施は当業者の任意である。
図2〜図3のシステムの実施例の実施可能化(enablement)において、エネルギーに基づく治療システム10は、少なくとも測定した締付け力を使って患者組織18の音響インピーダンス測定値を締付け圧力について補償(即ち、補正)するコントローラー42をさらに含む。測定された音響インピーダンスは締付け力が強くなるのに伴って増加し、また音響インピーダンスの測定値の締付け圧力についてのこのような補償は実験によりおよび/あるいは数学的に当業者により求めることができ、その補償は、数表、ソフトウェアアルゴリズム、および/あるいは測定された音響インピーダンスの数値と測定された締付け力の数値について補償された音響インピーダンス測定値の数値をもたらす回路構成要素により実行できることに注意されたい。
上記実施可能化の一変更例では、コントローラー42も、少なくとも測定され補償された音響インピーダンスを使って患者組織18の凝結(即ち、凝結度あるいは凝結状態(degree or state of coagulation))をモニターする。或る利用例では、測定され補償された音響インピーダンスが実験によるおよび/あるいは数学的に求めた上限値に達したとき、あるいはインピーダンス対時間のグラフの形状が所定の形状に達したときに、凝結が完了したとみなされる。第1の構成において、コントローラー42は、モニターしている患者組織18の凝結に基づいて発電機30の出力を制御し、この出力は、エネルギーに基づくクランプ凝結装置14に電力を供給する。第2の構成においては、コントローラー42は、エネルギーに基づくクランプ凝結装置14の使用者に、モニターされる患者組織18の凝結を知らせる、ビジュアルおよび/あるいはオーディオインジケータ44(一例では、このインジケータは発光するか、あるいは音を出す)を制御する。
図2〜図3の実施例のある配備では、エネルギーに基づくクランプ凝結装置14は、超音波ブレード34およびクランプアーム36を有する超音波外科鋏32である。一変型例では、力測定器40は、クランプアーム36に加わる力を測定するように構成されている。図示していない別の例では、エネルギーに基づくクランプ凝結装置はモノポーラ電極あるいはバイポーラ電極を有するRF(無線周波数)クランプ凝結装置である。
本発明の第2の実施例は、エネルギーに基づく治療システム46であり、図4〜図5に示されている。エネルギーに基づく治療システム46は、エネルギーに基づくクランプ凝結装置48を含む。エネルギーに基づくクランプ凝結装置48は、二つのクランプ部材50と52を有し、その二つのクランプ部材50と52のうち少なくとも一方の部材50は、締付けられた患者組織56の電気インピーダンスを測定するための電気インピーダンス測定電極54を含むか、あるいは電気インピーダンス測定電極54として機能するように構成されている。
図4〜図5の実施例の一例において、クランプ部材50と52のうちの他方の部材52も、電気インピーダンス測定電極58を含み、小さな検出電流が二つの電極54と58との間を流れ、当業者の技術の範囲内であるが、その電流を使って締付けられた患者組織56の電気インピーダンスを測定する。図示していない他の例では、一つのクランプ部材が二つの電極を有していて、小さな検出電流がその二つの電極間に流れる。
図4〜図5の実施例の或る実施可能化において、エネルギーに基づく治療システム46は、少なくとも電気インピーダンス測定電極54を用いることで得られる締付けられた患者組織56の、少なくとも測定電気インピーダンスを使ってその組織56の凝結(即ち、凝結度あるいは凝結状態)をモニターする(コントローラー42と類似しており、そのコントローラー42の制御機能が加わったコントローラーのような)モニター60を含む。一変型例では、患者組織56の電気インピーダンスは、凝結度を示すひとつの基準として用いられる。患者組織56が、エネルギーに基づくクランプ凝結装置48により加熱されることによって凝結するにつれて、凝結する患者組織56の電流を導通する力が減少し、その結果患者組織56の電気インピーダンスが増加する。別の変型例では、電気インピーダンス対時間の曲線の形状を利用して組織の凝結状態を判定する。
図4〜図5の実施例のある配備では、エネルギーに基づくクランプ凝結装置46は、(図示していない発電機により電力が供給される)超音波ブレード64、およびクランプアーム66を有する超音波外科鋏62である。この配備では、二つのクランプ部材50および52の一方の部材50が、超音波ブレード64を含み、二つのクランプ部材50および52の他方の部材52が、クランプアーム66を含む。図示していない他の例では、エネルギーに基づくクランプ凝結装置は、モノポーラ電極あるいはバイポーラ電極を有するRF(無線周波数)クランプ凝結装置である。
本発明の第3の実施例は、エネルギーに基づく治療システム68であり、図6〜図7に示されている。エネルギーに基づく治療システム68は、エネルギーに基づくクランプ凝結装置70を含む。エネルギーに基づくクランプ凝結装置70は、二つのクランプ部材72および74を有し、その二つのクランプ部材72および74の少なくとも一方の部材72は、締付けられた患者組織78の温度を測定するための温度センサー76を含むか、あるいは温度センサー76として機能するように構成されている。
図6〜図7の実施例の実施可能化において、エネルギーに基づく治療システム68は、少なくとも温度センサー76を用いることで得られる締付けられた患者組織78の、少なくとも測定温度を使ってその組織78の凝結(即ち、凝結度あるいは凝結状態)をモニターする(コントローラー42に類似しており、そのコントローラー42の制御機能が加えられたコントローラーのような)モニター80を含む。患者組織78の温度が凝結度を示すひとつの基準であることに注意されたい。患者組織78が、エネルギーに基づくクランプ凝結装置70により加熱されることによって凝結するにつれて、組織はまず変性し凝結して、次いで乾燥し組織の温度が上昇する。
図6〜図7の実施例のある配備では、エネルギーに基づくクランプ凝結装置68は、(図示していない発電機により電力が供給される)超音波ブレード84、およびクランプアーム86を有する超音波外科鋏82である。この配備では、二つのクランプ部材72および74の一方の部材72が、クランプアーム86を含み、二つのクランプ部材72および74の他方74が、超音波ブレード84を含むことに注意されたい。図示していない他の配備では、エネルギーに基づくクランプ凝結装置は、モノポーラ電極あるいはバイポーラ電極を有するRF(無線周波数)クランプ凝結装置である。
本発明の一つあるいは複数の方法および実施例から幾つかの利益および利点が得られる。一例においては、患者組織の凝結をモニターすることにより、その凝結が目標以外の組織に及ぶことなく、またエネルギーが目標組織を更に乾燥させたりあるいは損傷したりすることなく組織の凝結が終了したときに、コントローラーが、エネルギーに基づくクランプ凝結装置をオフにすることができるか、あるいはエネルギーに基づくクランプ凝結装置をオフにするよう使用者に指示するインジケータを作動させることができる。
本発明をその幾つかの実施例および方法について説明したが、添付の特許請求の範囲の精神および範囲をその説明の詳細に制限または限定することは出願人の意図するところではない。数多くの他の変型、変更および置換えを、当業者は本発明の範囲を逸脱することなく思い付くであろう。例えば、本発明のエネルギーに基づく治療システムは、システム、構成要素および方法の、ロボットシステムに適合するような明白な変更を考慮することでロボット援用手術に適用できる。当然のことながら、前述の記載は発明の例示であり、添付の特許請求の範囲の範囲および精神から逸脱することなく、他の変更を当業者は思い付くであろう。
〔実施の態様〕
(1)治療のための方法において、
a)エネルギーに基づくクランプ凝結装置を得るステップと、
b)前記エネルギーに基づくクランプ凝結装置を用いて締付け力を患者組織に加えるステップと、
c)前記エネルギーに基づくクランプ凝結装置を用いて前記患者組織の凝結を開始するステップと、
d)前記締付け力を測定するステップと、
e)前記患者組織の音響インピーダンスを測定するステップと、
f)締付け圧力について前記患者組織の測定された前記音響インピーダンスを少なくとも測定された前記締付け力を使って補償するステップと、
g)少なくとも、測定され補償された前記音響インピーダンスを使って前記患者組織の前記凝結をモニターするステップと、
を含む、方法。
(2)実施の態様1に記載の方法において、
前記エネルギーに基づくクランプ凝結装置は、発電機の出力により動力を供給され、
前記方法は、
前記患者組織のモニターされている前記凝結に基づいて前記出力を調整するステップ、
をさらに含む、方法。
(3)実施の態様1に記載の方法において、
前記エネルギーに基づくクランプ凝結装置の使用者に前記患者組織のモニターされている前記凝結を知らせるステップ、
をさらに含む、方法。
(4)実施の態様1に記載の方法において、
前記エネルギーに基づくクランプ凝結装置は、超音波ブレード、およびクランプアームを有する超音波外科鋏である、方法。
(5)実施の態様1に記載の方法において、
前記エネルギーに基づくクランプ凝結装置は、RF(無線周波数)クランプ凝結装置である、方法。
(6)エネルギーに基づく治療システムにおいて、
a)患者組織を締付けるように構成されたエネルギーに基づくクランプ凝結装置と、
b)前記エネルギーに基づくクランプ凝結装置と動作可能に連結されており、締付けられた前記患者組織の音響インピーダンスを測定する、音響インピーダンス測定器と、
c)前記エネルギーに基づくクランプ凝結装置と動作可能に連結されており、締付けられた前記患者組織に対する締付け力を測定する力測定器と、
を具備する、システム。
(7)実施の態様6に記載のエネルギーに基づく治療システムにおいて、
少なくとも測定された前記締付け力を使って締付け圧力について(for clamp pressure)前記患者組織の測定された前記音響インピーダンスを補償するコントローラー、
をさらに具備する、システム。
(8)実施の態様7に記載のエネルギーに基づく治療システムにおいて、
前記コントローラーは、少なくとも、測定され補償された前記音響インピーダンスを使って前記患者組織の凝結もモニターする、システム。
(9)実施の態様8に記載のエネルギーに基づく治療システムにおいて、
前記コントローラーは、モニターしている前記患者組織の凝結に基づいて、発電機の出力を制御し、
前記出力は、前記エネルギーに基づくクランプ凝結装置に動力を供給する、
システム。
(10)実施の態様8に記載のエネルギーに基づく治療システムにおいて、
前記コントローラーは、前記エネルギーに基づくクランプ凝結装置の使用者にモニターされている前記患者組織の前記凝結を示すビジュアルおよび/あるいはオーディオインジケータを制御する、システム。
(11)実施の態様10に記載のエネルギーに基づく治療システムにおいて、
前記エネルギーに基づくクランプ凝結装置は、超音波ブレード、およびクランプアームを有する超音波外科鋏である、システム。
(12)実施の態様11に記載のエネルギーに基づく治療システムにおいて、
前記力測定器は、前記クランプアームに加えられた力を測定するように構成されている、システム。
(13)実施の態様6に記載のエネルギーに基づく治療システムにおいて、
前記エネルギーに基づくクランプ凝結装置は、超音波ブレード、およびクランプアームを有する超音波外科鋏である、システム。
(14)実施の態様13に記載のエネルギーに基づく治療システムにおいて、
前記力測定器は、前記クランプアームに加えられた力を測定するように構成されている、システム。
(15)エネルギーに基づく治療システムにおいて、
二つのクランプ部材を有するエネルギーに基づく凝結装置であって、前記二つのクランプ部材の間で締付けられた患者組織を凝結するように構成された、エネルギーに基づく凝結装置、
を具備し、
前記二つのクランプ部材の少なくとも一方が、締付けられた前記患者組織の電気インピーダンスを測定するための電気インピーダンス測定電極を含むか、あるいは当該測定電極として機能するように構成されている、
システム。
(16)実施の態様15に記載のエネルギーに基づく治療システムにおいて、
少なくとも前記電気インピーダンス測定電極を用いることにより得られる、締め付けられた前記患者組織の測定された前記電気インピーダンスを少なくとも使って締付けられた前記患者組織の凝結をモニターするモニター、
をさらに具備する、システム。
(17)実施の態様16に記載のエネルギーに基づく治療システムにおいて、
前記エネルギーに基づくクランプ凝結装置は、超音波ブレード、およびクランプアームを有する超音波外科鋏であり、
前記二つのクランプ部材の一方は、前記超音波ブレードを含み、
前記二つのクランプ部材の他方は、前記クランプアームを含む、
システム。
(18)エネルギーに基づく治療システムにおいて、
二つのクランプ部材を有するエネルギーに基づく凝結装置であって、前記二つのクランプ部材の間で締付けられた患者組織を凝結するように構成された、エネルギーに基づく凝結装置、
を具備し、
前記二つのクランプ部材の少なくとも一方が、締付けられた前記患者組織の温度を測定するための温度センサーを含むか、あるいは当該温度センサーとして機能するように構成されている、
システム。
(19)実施の態様18に記載のエネルギーに基づく治療システムにおいて、
少なくとも前記温度センサーを用いることにより得られる、締付けられた前記患者組織の測定された前記温度を少なくとも使って締付けられた前記患者組織の凝結をモニターするモニター、
をさらに具備する、システム。
(20)実施の態様19に記載のエネルギーに基づく治療システムにおいて、
前記エネルギーに基づくクランプ凝結装置は、超音波ブレード、およびクランプアームを有する超音波外科鋏であり、
前記二つのクランプ部材の一方は、前記クランプアームを含み、
前記二つのクランプ部材の他方は、前記超音波ブレードを含む、
システム。
本発明の方法のブロック図。 エネルギーに基づくクランプ凝結装置、音響インピーダンス測定器、および力測定器を含む、本発明のエネルギーに基づく治療システムの第1実施例の概略的ブロック図。 図2のエネルギーに基づくクランプ凝結装置の概略的側面図。 電気インピーダンス測定電極を含むか、あるいは電気インピーダンス測定電極として機能するように構成された二つのクランプ部材を有するエネルギーに基づくクランプ凝結装置を含む、本発明のエネルギーに基づく治療システムの第2実施例の概略的ブロック図。 図4のエネルギーに基づくクランプ凝結装置の概略的側面図。 二つのクランプ部材を有し、その少なくとも一つが温度センサーを含むか、あるいは温度センサーとして機能するように構成された、エネルギーに基づくクランプ凝結装置を含む、本発明のエネルギーに基づく治療システムの第3実施例の概略的ブロック図。 図6のエネルギーに基づくクランプ凝結装置の概略的側面図。

Claims (8)

  1. エネルギーに基づく治療システムにおいて、
    a)患者組織を締付けるように構成されたエネルギーに基づくクランプ凝結装置と、
    b)前記エネルギーに基づくクランプ凝結装置と動作可能に連結されており、締付けられた前記患者組織の音響インピーダンスを測定する、音響インピーダンス測定器と、
    c)前記エネルギーに基づくクランプ凝結装置と動作可能に連結されており、締付けられた前記患者組織に対する締付け力を測定する、力測定器と、
    d)少なくとも測定された前記締付け力を使って締付け圧力について前記患者組織の測定された前記音響インピーダンスを補償するコントローラーと、
    を具備する、システム。
  2. 請求項に記載のエネルギーに基づく治療システムにおいて、
    前記コントローラーは、少なくとも、測定され補償された前記音響インピーダンスを使って前記患者組織の凝結もモニターする、システム。
  3. 請求項に記載のエネルギーに基づく治療システムにおいて、
    前記コントローラーは、モニターされる前記患者組織の前記凝結に基づいて、発電機の出力を制御し、
    前記出力は、前記エネルギーに基づくクランプ凝結装置に動力を供給する、
    システム。
  4. 請求項に記載のエネルギーに基づく治療システムにおいて、
    前記コントローラーは、前記エネルギーに基づくクランプ凝結装置の使用者にモニターされている前記患者組織の前記凝結を示すビジュアルおよび/あるいはオーディオインジケータを制御する、システム。
  5. 請求項4に記載のエネルギーに基づく治療システムにおいて、
    前記エネルギーに基づくクランプ凝結装置は、超音波ブレード、およびクランプアームを有する超音波外科鋏である、システム。
  6. 請求項5に記載のエネルギーに基づく治療システムにおいて、
    前記力測定器は、前記クランプアームに加えられた力を測定するように構成されている、システム。
  7. 請求項1に記載のエネルギーに基づく治療システムにおいて、
    前記エネルギーに基づくクランプ凝結装置は、超音波ブレード、およびクランプアームを有する超音波外科鋏である、システム。
  8. 請求項7に記載のエネルギーに基づく治療システムにおいて、
    前記力測定器は、前記クランプアームに加えられた力を測定するように構成されている、システム。
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ATE527945T1 (de) 2011-10-15
JP2007229454A (ja) 2007-09-13
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EP1820460A2 (en) 2007-08-22
AU2007200415B2 (en) 2011-11-03
CN101023883B (zh) 2011-07-20
US20070191828A1 (en) 2007-08-16
ES2372311T3 (es) 2012-01-18
US7854735B2 (en) 2010-12-21
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