JP5972892B2 - 超音波トランスデューサに電力供給するスリップリングアセンブリを備える外科用器具 - Google Patents
超音波トランスデューサに電力供給するスリップリングアセンブリを備える外科用器具 Download PDFInfo
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- JP5972892B2 JP5972892B2 JP2013537832A JP2013537832A JP5972892B2 JP 5972892 B2 JP5972892 B2 JP 5972892B2 JP 2013537832 A JP2013537832 A JP 2013537832A JP 2013537832 A JP2013537832 A JP 2013537832A JP 5972892 B2 JP5972892 B2 JP 5972892B2
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- transducer
- drum
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- assembly
- surgical instrument
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Description
本出願は、その開示内容を参照することにより本明細書に援用する2010年11月5日に出願の米国仮特許出願第61/410,603号、発明の名称「Energy−Based Surgical Instruments」に対する優先権を主張する。
図1は、超音波外科用器具(50)、ジェネレータ(20)、及びジェネレータ(20)を外科用器具(50)に結合するように操作可能なケーブル(30)を含む、例示的な超音波外科用システム(10)を示す。好適なジェネレータ(20)は、GEN 300(Cincinnati,OhioのEthicon Endo−Surgery,Inc.により販売)である。単なる一例として、ジェネレータ(20)は、その開示が参照により本明細書に援用される、2011年4月14日に公開された「Surgical Generator for Ultrasonic and Electrosurgical Devices」と題する米国特許出願公開第2011/0087212号の教示に従って構築され得る。外科用器具(50)は超音波外科用器具を参照して記載されるが、以下に記載する技術は、本明細書の教示に鑑みれば、当業者には明かとなるであろうように、エンドカッター、把持具、カッター、ステープラー、クリップ適用器具、アクセス装置、薬物/遺伝子治療送達装置、及び超音波、無線周波数、レーザー等を使用するエネルギー送達装置、及び/又はこれらの任意の組み合わせを含むが、これらに限定されない多様な外科用器具と共に使用できることに留意するべきである。また、本実施例は、ケーブル接続による外科用器具(50)を参照して記載されるが、外科用器具(50)は、その開示が参照により本明細書に援用される、2009年6月4日公開の米国特許出願公開第第2009/0143797号、発明の名称「Cordless Hand−held Ultrasonic Cautery Cutting Device」に開示されているもの等のコードレス手術に適用され得る。更に、外科用装置(50)は、2004年8月31日に発行の米国特許第6,783,524号、発明の名称「Robotic Surgical Tool with Ultrasound Cauterizing and Cutting Instrument」に開示されたようなロボット支援手術環境で使用されるか使用するように適応されてもよい。
場合によっては、ユーザーが、外科用器具(50)を使用しながら、トランスデューサ(100)を回転するのに有用であり得る。例えば、トランスデューサ(100)の回転は、エンドエフェクタ(80)が回転できるようにし、これによって、クランプアーム(84)がハンドルアセンブリ(60)に対して再配向され得る。これはユーザーが様々な角度で組織をクランプし、切断できるようにする。いくつかの器具では、ケーブル(30)が直接、トランスデューサ(100)に結合された場合、トランスデューサ(100)及び/又はエンドエフェクタ(80)の回転は、ケーブル(30)及び/又はケーブル(30)のワイヤを捻る場合がある。したがって、回転可能な電気的結合をもたらすことは、ケーブル(30)及び/又はワイヤの、この潜在的な捻り及び/又は拘束を低減、又は排除することができる。
図2は、トランスデューサ(200)を、ケーシング(250)のケーシング接点(260、270)に電気的に結合するよう操作可能である、一対の節フランジ(210、220)を有する例示のトランスデューサ(200)を示す。トランスデューサ(200)は、上記のとおりトランスデューサ(100)の変形版を構成してもよいことが理解されるべきである。本実施例のトランスデューサ(200)は、第1の共振器(234)と第2の共振器(236)との間に圧縮される、複数の圧電素子(230)を備え、圧電素子の積層体を形成する。圧電素子(230)は、任意の好適な材料、例えばチタン酸ジルコニウム酸鉛、メタニオブ酸鉛、チタン酸鉛、及び/又は、任意の好適な圧電結晶材料から作製され得る。本実施例では、遠位の節フランジ(210)は、遠位の節フランジ(210)の周囲に配置された導電材料を含む。遠位の節フランジ(210)は、第1の共振器(234)に結合され、トランスデューサ(200)の節に配置される。節は、トランスデューサ(200)を通じて伝達される超音波振動による変位がゼロである点である。近位の節フランジ(220)は、近位の節フランジ(220)の周辺に配置された導電材料を含む。更に、近位の節フランジ(220)は、最近位の圧電素子(230)のすぐ遠位に配置され、また、トランスデューサ(200)の節に配置されるが、この配置は単に任意である。例えば、近位の節フランジ(220)は、第2の共振器(236)に、他の圧電素子(230)間に、第1の共振器(234)上に、及び/又はその他に結合されてもよい。
図3〜5は、圧電素子(330)の2つ又は3つ以上の交流電極(332)を電気的に結合するブリッジ(310、320)を有する、他の例示のトランスデューサ(300)を示す。圧電素子(330)は、第1の共振器(334)と第2の共振器(336)との間で圧縮され、圧電素子の積層体を形成する。圧電素子(330)は、電極(332)間で、ジルコン酸チタン酸鉛、メタニオブ酸鉛、チタン酸鉛、及び/又は、例えば任意の好適な圧電性結晶材料などの任意の好適な材料から作られてもよい。本実施例では、交流電極(332)は、電力供給部がブリッジ(310、320)に結合されるとき、複数の圧電素子(330)にわたって電位差が形成されるように、ブリッジ(310、320)を介して電気的に結合される。したがって、電力供給部が作動されたとき、複数の圧電素子(330)は、電力を超音波振動に変換する。そのような超音波振動は遠位方向に導波路(図示せず)まで伝達される。先に説明したように、ブレードの超音波振動が、組織を切断すると同時に、隣接する組織細胞のタンパク質を変性させることにより、熱拡散が比較的小さい、凝固効果を提供するように、導波路は、エンドエフェクタのブレードに結合されてもよい。
図6は、内部にケーブルプラグ(450)を受容するように構成された近位孔(416)を有する中央ボルト(410)を備える、例示のトランスデューサ(400)を示す。本実施例のトランスデューサ(400)は、第1の共振器(432)と第2の共振器(434)との間に圧縮される、複数の圧電素子(430)を備えて、圧電素子の積層体を形成する。圧電素子(430)は、ジルコン酸チタン酸鉛、メタニオブ酸鉛、チタン酸鉛、及び/又は、例えば任意の好適な圧電性結晶材料等の任意の好適な材料から作られてもよい。複数の電極(420)は、隣接する圧電素子(430)間に配置される。本実施例では、ブリッジ(422)は交流電極(420)を電気的に結合する。したがって、電極(420)が電力供給部に結合されるとき、電位差は、ブリッジ(422)を介して複数の圧電素子(430)にわたって適用される。ブリッジ(422)は、交流電極(420)及び/又は他の構成要素と、ブリッジ(422)との不注意な電気的結合を防ぐために絶縁材料を含んでよいが、これは単に任意である。本発明のブリッジ(422)は単に例示であり、電極(420)は、本明細書の教示に鑑みれば、当業者に明らかであろう、いずれか他の電気コネクタを介して電気的に結合されてもよいということが理解される必要がある。
場合によっては、トランスデューサ(100)の電極を、電気的結合アセンブリの一部として使用することが好ましい場合がある。この電極を使用することは、トランスデューサ(100)用の構成要素の数を低減しながら、更にトランスデューサ(100)を回転可能にすることができる。更に、部品数の低減は、トランスデューサ(100)製造のコストを低減することができ、及び/又は一体型電気的結合アセンブリによりトランスデューサ(100)の自動組立を可能にすることができる。したがって、電気的結合アセンブリの一部として電極を使用するトランスデューサの様々な例が、ここで詳細に説明される。
図7及び図8は、トランスデューサ(500)から外側に周囲方向に延び、かつ固定子ケーシング(550)の複数の固定子導体(560)と係合する、拡大された複数の電極(510)を有する、例示のトランスデューサ(500)を示す。本実施例のトランスデューサ(500)は、第1の共振器(532)と第2の共振器(534)との間に圧縮される、複数の圧電素子(530)を備え、圧電素子の積層体を形成する。圧電素子(530)は、任意の好適な材料、例えばチタン酸ジルコニウム酸鉛、メタニオブ酸鉛、チタン酸鉛、及び/又は、任意の好適な圧電結晶材料から作製され得る。図8に最も良く示されているように、電極(510)は隣接する圧電素子(530)の間に配置された導体ディスクを備え、それぞれは中央開口部を有し、中央ボルトが内部を通じて延在するのを可能にする、電極(510)が交互に、電力供給部リード線の陽極、すなわち「ホット」、並びに陰極、すなわち接地に結合されるとき、電位は複数の圧電素子(530)にわたって適用される。したがって、複数の圧電素子(530)にわたる電位は、複数の圧電素子(530)に、電力を超音波振動に変換させる。そのような超音波振動は遠位方向に導波路(502)を通じて伝達される。ブレードの超音波振動が組織を同時に切断し、隣接する組織細胞のタンパク質を変性され、これによって比較的少ない熱拡散により凝固効果をもたらすように、導波路(502)は、エンドエフェクタのブレード(例えばエンドエフェクタ(80)のブレード(82))に結合されてもよい。本実施例のトランスデューサ(500)は、以下に、より詳細に説明されるように、固定子ケーシング(550)の遠位のレッジ(552)に当接するように構成されるホーンフランジ(504)を更に含む。ホーンフランジ(504)は、ホーンフランジ(504)を遠位のレッジ(552)に流体封止するための封止部(図示せず)を更に含んでもよい。
図9及び図10は、トランスデューサ(600)から外側に延在し、かつ固定子ケーシング(650)のチャネル(652)内で1つ又は2つ以上の導体(660)と係合する、複数の波状電極(610)を有する代替的なトランスデューサ(600)を示す。本実施例のトランスデューサ(600)は、第1の共振器(632)と第2の共振器(634)との間に圧縮される、複数の圧電素子(630)を備え、圧電素子の積層体を形成する。圧電素子(630)は、任意の好適な材料、例えばチタン酸ジルコニウム酸鉛、メタニオブ酸鉛、チタン酸鉛、及び/又は、任意の好適な圧電結晶材料から作製され得る。波状電極(610)は圧電素子(630)の間に配置され、各波状電極(610)は、中央ボルトが内部を通じて延在するのを可能にするように構成された中央開口部を含む。トランスデューサ(600)の電極の一部のみが波状電極(610)として示されているが、トランスデューサ(600)の電極の全てが波状電極(610)を備えてもよいが、これは単に任意であるということが理解される必要がある。波状電極(610)は交互に、電力供給部の陽極、すなわち「ホット」リード線、及び陰極、すなわち接地に結合される。電位差はしたがって、複数の圧電素子(630)にわたって適用される。複数の圧電素子(630)にわたる電位によって、複数の圧電素子(630)は、電力を超音波振動へ変換させる。そのような超音波振動は遠位方向に導波路(602)を通じて伝達される。ブレードの超音波振動が組織を同時に切断し、隣接する組織細胞のタンパク質を変性され、これによって比較的少ない熱拡散により凝固効果をもたらすように、導波路(602)は、エンドエフェクタのブレード(例えばエンドエフェクタ(80)のブレード(82))に結合されてもよい。
場合によっては、トランスデューサ(100)の近位端において回転可能な電気的結合アセンブリ、又はケーブル(30)の遠位端に一体化された回転可能な電気的結合アセンブリを提供することが好ましい場合がある。トランスデューサ(100)の遠位端において、外科用器具(50)内の空間が限定されている場合、そのような構成が好ましい場合がある。
図11及び図12は、内側固定子アセンブリ(750)に実装された複数の内側固定子ディスク(760)に電気的に結合するように構成された、複数の外側回転子ディスク(710)を有する回転可能な外側ハウジングアセンブリ(700)を示す。本実施例の外側ハウジングアセンブリ(700)は、外側ハウジングアセンブリ(700)をトランスデューサの近位端に結合するように構成された複数の部材(704)を有する、遠位壁部(702)を含む。部材(704)は、トランスデューサが回転されたときに、外側ハウジングアセンブリ(700)も回転するように、外側ハウジングアセンブリ(700)をトランスデューサに固定するように構成される。本実施例の部材(704)は、トランスデューサのボルトのヘッドに選択的に結合するように構成された弾性プラスチックフィンガーを含み、これによってトランスデューサの回転(及び、したがってボルトの回転)もまた、部材(704)を介して外側ハウジングアセンブリ(700)を回転させる。外側ハウジングアセンブリ(700)は、外側回転子ディスク(710)を内部に受容するように構成された複数の凹部(708)を有する、本体部分(706)を更に含む。いくつかの変形例では、本体部分(706)は、一緒に結合して、内側固定子アセンブリ(750)を内部に固定する1つ又は2つ以上のクラムシェル部分を含んでもよいが、これは単に任意である。図12で最も良く分かるように、外側回転子ディスク(710)は、内側固定子ディスク(760)が外側回転子ディスク(710)に対して圧縮され、したがってパンケーキ型スリップリングアセンブリを形成するときに、内側固定子ディスク(760)に電気的に結合するように構成された導電ディスクを含む。外側回転子ディスク(710)は、トランスデューサの1つ又は2つ以上の電極、例えば上記の圧電素子(230)間に配置された電極(232)などに電気的に結合されるコネクタ(712)を更に含む。図11に示されるように、コネクタ(712)は、本体部分(706)の交互の側に配置され、かつ陽極、すなわち「ホット」リード線に、及び陰極、すなわち接地リード線に対応するように構成されている。
例示の代替外側回転子アセンブリ(800)及び内側固定子アセンブリ(850)が図13に示されている。この実施例では、外側回転子アセンブリ(800)は、複数の外側回転子ディスク(820)のタブ(822)を受容するように構成された複数のスロット(812)を有する、外側ハウジング(810)を含む。本実施例の外側ハウジング(810)は、外側ハウジング(810)の遠位端(818)においてトランスデューサ(図示せず)に結合され、かつこれと一緒に回転する。いくつかの変形例では、外側ハウジング(810)は、遠位壁部(818)を介してトランスデューサの近位端に固定されるが、これは単に任意である。他の変形例では、外側ハウジング(810)は、トランスデューサと共に、例えばトランスデューサのケーシング(図示せず)に一体的に形成され、材料の均質な連続体を形成する。外側ハウジング(810)もまた、内側マンドレル(860)の一部が内部を通って延在するのを可能にするように構成される、近位孔(816)を有する近位端壁部(814)を含む。外側回転子ディスク(820)は、外側ハウジング(810)のスロット(812)内に挿入する、外側に延在するタブ(822)を有する導電ディスクを含む。したがって、外側ハウジング(810)が回転されるとき、外側回転子ディスク(820)もまたタブ(822)を介して回転する。タブ(822)は、外側回転子ディスク(820)に供給される電力が、トランスデューサの対応する電極に伝達されるように、トランスデューサの電極を電気的に結合するように更に構成される。本実施例の外側回転子ディスク(820)は、内側固定子アセンブリ(850)の内側固定子ディスク(870)に電気的に連結するように構成され、これによってパンケーキ型スリップリング接続部を形成する。
図14及び図15は、トランスデューサ(950)の近位端に結合された部材(952)に形成された、相補的ねじ付き凹部(960)内に螺入されるように構成されたケーブル端部(910)を含む、例示のねじ付きコネクタアセンブリ(900)を示す。本実施例のケーブル端部(910)は、ねじ付き端部(920)、及びケーブル端部(910)から遠位に延びる複数のワイヤ(930)を含む。ワイヤ(930)は、トランスデューサ(950)の電極(図示せず)に電気的に結合される。したがって、ケーブル端部(910)を通じて供給される電力は、ワイヤ(930)を介してトランスデューサ(950)の電極に伝達される。本実施例では、ワイヤ(930)は、ケーブル端部(910)のねじ付き端部(920)がねじ付き凹部(960)から実質的にねじが外される一方で、ワイヤ(930)が、トランスデューサ(950)の電極に結合されたままであるような長さを有するように更に構成される。図15に示される実施例では、ケーブル端部(910)はまた、ハンドルアセンブリ(図示せず)のスロット(図示せず)に挿入するように構成されたレッジ(912)を含む。したがって、トランスデューサ(950)がハンドルアセンブリ内で回転されるとき、ケーブル端部(910)はレッジ(912)を介してスロット内に回転するように固定され、その一方で、ねじ付き凹部(960)内又はこの外へのケーブル端部(910)のねじ込みに反応して、ケーブル端部(910)は近位方向に若しくは遠位方向に並進可能である。
図16は、ケーシング(1060)内のワイヤ(1090)(その部分は玉軸受(1050)を示すために省略されている)に、トランスデューサ(1000)を電気的に結合する玉軸受(1050)を有する、例示の別のトランスデューサ(1000)を示す。本実施例のトランスデューサ(1000)は、第1の共振器(1012)と第2の共振器(1014)との間に圧縮される、複数の圧電素子(1010)を備え、圧電素子の積層体を形成する。圧電素子(1010)は、任意の好適な材料、例えばチタン酸ジルコニウム酸鉛、メタニオブ酸鉛、チタン酸鉛、及び/又は、任意の好適な圧電結晶材料から作製され得る。複数の電極(1020)は、隣接する圧電素子(1010)間に配置される。本実施例では、ブリッジ(図示せず)は交流電極(1020)を電気的に結合する。ブリッジは、交流電極(1020)及び/又は他の構成要素と、ブリッジとの不注意な電気的結合を防ぐために絶縁材料を更に含んでよい。本発明のブリッジは単に例示であり、電極(1020)は、本明細書の教示に鑑みれば、当業者に明らかであろう、いずれか他の電気コネクタを介して電気的に結合されてもよいということが理解される必要がある。単なる例示の代替電気コネクタは、トランスデューサのケーシングに形成された導電配線(プリントされたコンピュータ基板、すなわちPCBのものなど)を含んでもよい。本実施例に戻って参照すると、電極(1020)が電力供給部に結合されるとき、電位差はブリッジを介して複数の圧電素子(1010)にわたって適用される。複数の圧電素子(1010)にわたる電位は、複数の圧電素子(1010)に、電力を超音波振動に変換させる。そのような超音波振動は遠位方向に導波路(1002)を通じて伝達される。ブレードの超音波振動が組織を同時に切断し、隣接する組織細胞のタンパク質を変性され、これによって比較的少ない熱拡散により凝固効果をもたらすように、導波路(1002)は、エンドエフェクタのブレード(例えばエンドエフェクタ(80)のブレード(82))に結合されてもよい。
一部の変形例では、トランスデューサ(100)の遠位端付近で(例えばトランスデューサ(100)のホーン部分において)電気的結合アセンブリを提供するのが好ましいことがある。例えば、トランスデューサ(100)の遠位端上の電気的結合アセンブリは、ハンドルアセンブリの長さを短くし、これによって外科用器具の全体的な寸法及び容積を低減することを可能にする。更に、トランスデューサ(100)の遠位端において、又はこの付近で電気的結合アセンブリを含むことは、トランスデューサ(100)の近位端に取り付けられたケーブル(30)に平衡器を提供することができ、これによって外科用器具に追加の長手方向の平衡をもたらす。したがって、トランスデューサ(100)の遠位部分付近に配置された様々な環状アセンブリがここで更に詳細に説明される。
図19は、トランスデューサ(1300)の遠位部分付近に配置されたドラム(1350)に電気的に結合された例示のトランスデューサ(1300)を示す。本実施例のトランスデューサ(1300)は、第1の共振器(1312)と第2の共振器(1314)との間に圧縮される、複数の圧電素子(1310)を備え、圧電素子の積層体を形成する。圧電素子(1310)は、任意の好適な材料、例えばチタン酸ジルコニウム酸鉛、メタニオブ酸鉛、チタン酸鉛、及び/又は、任意の好適な圧電結晶材料から作製され得る。電圧勾配が、それらの間に含まれる圧電素子(1310)にわたって適用され得るように、複数の電極(1320)は、隣接する電圧素子(1310)間に配置される。したがって、電圧勾配は、圧電素子(1310)にわたって適用されるとき、圧電素子(1310)は、電気エネルギーを、振動する機械的エネルギーに変換する。本実施例では、複数の電極(1320)はワイヤ(1322)を介してドラム(1350)に結合される。
単なる例示の代替ドラム、及びかかるドラムの導電性表面は図20〜24に示されている。例えば、図20は、クリンプ接点(1412)に電気的に結合するように構成されているスペードコネクタ(1410)を有する代替ドラム(1400)を示す。示されている実施例では、スペードコネクタ(1410)はそれぞれ、ドラム(1400)の対応する導電リング(1402、1404)に電気的に結合される。したがって、ドラム(1400)が、例えば図19に示されているような、回転可能な電気的結合アセンブリに使用されるとき、スペードコネクタ(1410)は、ドラム(1400)が、クリンプ接点(1412)を介してトランスデューサの電極に素早く電気的に結合するか、又はこれから外れるのを可能にする。一部の変形例において、これは、回転可能な電気的結合アセンブリからドラム(1400)を外すことなく、ユーザーがトランスデューサ又は圧電積層体を交換できるようにする。図21は、電極(1420)の各セットの端部において、クリンプ接点(1412)を組込む電極(1420)の1つの単なる例示のセットを示す。本実施例の電極(1420)は代替的に、上記のトランスデューサ(100、300)など、トランスデューサの圧電素子と共に積層される。いったん圧電積層体が組み立てられると、クリンプ接点(1412)は遠位方向に延びて、スペードコネクタ(1410)を介して、ドラム(1400)に電気的に結合するように操作可能である。
1つの単なる例示の代替ドラムスリップリングアセンブリが図25〜27に示されている。最初に図25を参照し、ハンドルアセンブリ(1500)は、内部に配置されたトランスデューサ(1550)を含む。本実施例のハンドルアセンブリ(1500)は、ハンドルアセンブリ(60)の教示の少なくとも一部に従って構築され得る。トランスデューサ(1550)は、本明細書及び/又は他で記載されているトランスデューサ(100、300)の少なくとも一部の教示に従って構築され得る。本実施例において、ドラム(1520)は、図26及び図27に示されており、第1の周方向の表面(1524)上の第1の環状スリップリング(1522)及び第2の周方向の表面(1528)上の第2の環状スリップリング(1526)を受容するように構成される。本実施例のドラム(1520)はまた、トランスデューサ(1500)の回転が、ドラム(1520)も回転するように(またその反対)、トランスデューサ(1500)に対して固定される。ドラム(1520)は、上述したドラム(1350)の教示の少なくともいくつかに従って更に構成されてもよい。
図28は、ドラム(1600)、及び付勢された接点ストリップ(1660)を備えるハウジング(1630)を含む、更に別の例示の代替ドラムスリップリングアセンブリを示す。本実施例のドラム(1600)は、トランスデューサ(1602)の部分を中心として配置され、ドラム(1600)は、本体部分(1610)、隆起した環(1612)、及び本体部分(1610)の近位端及び遠位端を中心に配置された一対の導電部分(1620)を含む。ドラム(1600)は、本明細書及び/又は他で記載されているドラム(1350、1410、1430、1450、1470、1520)の少なくとも一部の教示に従って更に構築され得る。本実施例のハウジング(1630)は、主要部分(1640)及びヒンジ部分(1650)を含む。主要部分(1640)は、ドラム(1600)の周囲に部分的に適合するように構成されたU型部材である。チャネル(1644)は、主要部分(1640)に形成される。チャネル(1644)は、ドラム(1600)が主要部分(1640)に挿入されたとき、隆起した環(1612)を受容し、長手方向に保持するように構成される。主要部分(1640)は、付勢された接点ストリップ(1660)の一部を保持するように構成された、2つの保持部材(1642)を更に含む。付勢された接点ストリップ(1660)は、複数の弓状の接点部分(1662)を有する導電ストリップを含む。本実施例では、付勢された接点ストリップ(1660)が保持部材(1642)を介して主要部分(1640)に結合されるとき、接点部分(1662)は、ドラム(1600)に向かって内側に付勢するように構成される。一部の変形例では、主要部分(1640)は、上記のハンドルアセンブリ(60)など、ハンドルアセンブリに一体化される。他の変形例では、主要部分(1640)は、主要部分(1640)の外面から延在するペグ又はレッジを介して、ハンドルアセンブリに対して長手方向に並進可能であり得る。主要部分(1640)及び/又は付勢された接点ストリップ(1660)の他の好適な構成は、本明細書の教示に鑑みれば、当業者には明らかであろう。
図29は、内側ドラム(1700)、外側リング(1710)、ねじ付き管カラー(1720)、及びケーシング(1730)を含む他の例示の代替ドラムスリップリングアセンブリを示す。本実施例では、内側ドラム(1700)は、一対のトランスデューサのワイヤ(1752)を介してトランスデューサ(1750)に電気的に結合される、導電接点(1702)を有する管状部材である。本実施例のトランスデューサ(1750)は、トランスデューサ(100、300)の教示及び/又は他のものの少なくとも一部の教示に従って構築され得る。トランスデューサ(1750)は、導波路(1751)及びハーモニックブレード(図示せず)と連通し、これらは共に音響アセンブリを形成する。音響アセンブリは回転ノブ(1721)によって支持され、これはケーシング(1730)に回転可能に結合される。内側ドラム(1700)もまた、回転ノブ(1721)によって支持される。内側ドラム(1700)は、以下でより詳細に記載されるように、導電接点(1702)を相補的接点(1712)に、外側リング(1710)上で電気的に結合するように構成される。一部の変形例では、内側ドラム(1700)は接点(1702)を省略してもよく、代わりに、相補的接点(1712)が係合し、電気的に結合する平坦な表面を有してもよい。更に、内側ドラム(1700)の更なる構成は、本明細書の教示に鑑みれば当業者には明らかであろう。
いくつかの状況において、トランスデューサ(100)を電力供給部に電気的に結合するのに使用される構成要素の数を減少させることが好ましい場合がある。例えば、一部の形態において、ドラムアセンブリのブラシは、ハンドルアセンブリ(60)の一部内に一体化されてもよい。更に、又は代替で、導電パスをドラムに一体化することが有用であり得る。更なる場合では、導電パスをブラシ内に、それがドラムに電気的に結合するまで一体化することが好ましい場合がある。したがって、成形回路部品を採用する電気的結合アセンブリの様々な構成は本明細書に記載されている。
場合によっては、トランスデューサ(100)を費用効率の高い材料から電力供給部に電気的に結合する電気的結合アセンブリを作製するのは有用であり得る。単なる例示のコスト効果の高い材料は、型打ちされたブラシに電気的に結合され得る導電配線を有するプリント基板(「PCB」)を含み得る。PCBが使用されて電気的結合アセンブリを作製できる様々な実施例は、より詳細に以下に記載されている一方で、他の実施例は、本明細書の教示に鑑みれば、当業者にとって明らかであろう。
1つの単なる例示のPCB電気的結合アセンブリ(2100)が図33〜36に示されている。PCB電気的結合アセンブリ(2100)は、回転可能なPC基板(2110)(図34を参照)、回転ドラム(2120)(図33を参照)、移送ケーシング(2150)(図35を参照)及び一対の型打ちされたブラシ接点(2170)(図36を参照)を含む。図36で示されている実施例では、例示のトランスデューサ(2190)は、一対のワイヤ(2192)を介してPCB電気的結合アセンブリ(2100)に電気的に結合しているのが示されている。トランスデューサ(2190)は、上記及び/又は他で記載されているトランスデューサ(100、300)の教示の少なくとも一部に従って構築され得る。最初に図34を参照して、本実施例のPC基板(2110)は、PC基板(2110)の両面上に導電配線(2112)を有する、実質的に平坦なディスクを含む。多数の導電配線(2112)は、PC基板(2112)の単一面上で同軸上に形成されてもよく、あるいは、単一の導電配線(2112)がPC基板(2110)の一方の面上に設けられてもよいことが理解される必要がある。導電配線(2112)は、化学エッチング、導電インクの印刷、成形回路部品の部品として、及び/又はその他によってPC基板(2110)上に形成されてもよい。本実施例の導電配線(2112)は、PC基板(2110)が360度にわたって回転されるときでさえも、ブラシ接点(2170)(図35及び図36に示す)が導電配線(2112)に電気的に結合するように操作可能であるように、導電材料(例えば金、銅等)の環状パスを含む。示されている実施例では、導電配線(2112)は、ワイヤ(2192)が半田付けされ得る、ピン留めされ得る、及び/又は別の方法で導電配線(2112)に電気的に結合され得る結合ポイント(2114)を更に含む。ワイヤ(2192)は次いで、トランスデューサ(2190)の1つ又は2つ以上の電極(図示せず)に電気的に結合される。したがって、本明細書の教示に鑑みれば、当業者にとって明らかであるように、トランスデューサ(2190)及びPC基板(2110)がブラシ接点(2170)に対して回転されるときでさえ、PC基板(2110)はブラシ接点(2170)からの電力をトランスデューサ(2190)に伝達させるように操作可能である。
例示の代替的なPCB電気的結合アセンブリ(2300)は、図39〜41に示されている。PCB電気的結合アセンブリ(2300)は、ケーブル(図示せず)をトランスデューサ(2310)に電気的に結合するように構成されている。本実施例では、PCB電気的結合アセンブリ(2300)は、PC基板(2320)、実装構成要素(2330)、外側ケーシング(2340)、一対の波形バネ(2350)、及び一対のトランスデューサのワイヤ(2360)を含む。本実施例のPC基板(2320)は、導電配線(図示せず)が上部に形成された円筒形ディスクを含む。かかる導電配線は、上記の導電配線(2112)の教示の少なくとも一部に従って作製することができる。本発明のPC基板(2320)の導電配線はそれぞれ、上記の結合ポイント(2114)と同様に、トランスデューサのワイヤ(2360)が電気的に結合する結合ポイントを有する。本実施例では、導電配線及び結合ポイントは両方とも、PC基板(2320)の近位側及び遠位側の両方上で形成されるが、いずれの側も、導電配線及び/又は結合ポイントを省略してもよい。PC基板(2320)は、以下に記載のように、PC基板(2320)を実装構成要素(2330)に結合するように構成された中央開口部を更に含む。PC基板(2320)は、上記のPC基板(2110)に従って、又は本明細書に教示に鑑みれば、当業者にとって明らかであるような任意の他の方式に従って構築されてもよい。
いくつかの状況において、回転可能なトランスデューサ(100)のために、ケーシング内の電気構成要素に一体形成することが好ましい場合がある。そのような構成は、トランスデューサ(100)がユーザーにより操作可能であるためには、電力供給部(例えばジェネレータ(20)等)がケーシングに結合される必要がある。更に、電気構成要素をトランスデューサ(100)のケーシング内に一体形成することによって、トランスデューサ(100)及び電気構成要素の両方の温度をモニターするのに必要とされるのは、単一の温度センサのみでよい。更に、電気構成要素をトランスデューサ(100)のケーシングに含むことにより、短い操作距離及び可撓性に対する必要性が低減されたことにより、より厚いワイヤが電気的な結合に使用され得る。これらのより厚いワイヤは、外科用器具内で生じる熱を軽減するのに役立つことができる。
(1) 外科用器具であって、
(a)本体部分と、
(b)超音波トランスデューサと、
(c)前記トランスデューサと共に回転するように構成されている管カラーと、
(d)回転可能な電気的結合アセンブリであって、
i.第1導電部分を有する第1部、及び
ii.第2部であって、第2導電部分と、前記第2部を通って形成される孔とを有する第2部、を含み、
前記第2導電部分は、前記トランスデューサに電気的に結合され、前記第1導電部分及び前記第2導電部分は電気的に結合され、前記第2部は、前記管カラーと共に回転するように構成され、前記第2部は、前記第1部に対して回転可能である、回転可能な電気的結合アセンブリと、を備え、
前記トランスデューサの一部は、前記第2部の前記孔を通じて挿入され、前記孔を通じて挿入された前記トランスデューサの一部は、前記第2部と接触しない、外科用器具。
(2) 前記第1導電部分がポゴピンを含む、実施態様1に記載の外科用器具。
(3) 前記第1導電部分が、ブラシ接点を含む、実施態様1に記載の外科用器具。
(4) 前記第1導電部分が玉軸受を含む、実施態様1に記載の外科用器具。
(5) 前記トランスデューサが、1つ又は2つ以上の電極を含み、前記第2導電部分が、前記1つ又は2つ以上の電極のうちの1つの電極に固定して結合され、前記第2導電部分が、前記回転可能な電気的結合アセンブリの前記第2部に結合可能である、実施態様1に記載の外科用器具。
(7) 前記回転可能な電気的結合アセンブリの前記第2部が、前記管カラーに対して長手方向に並進可能である、実施態様1に記載の外科用器具。
(8) 前記第1部が移送ケースを含み、前記第2部が、前記移送ケース内に配置された回転可能なドラムを含む、実施態様1に記載の外科用器具。
(9) 前記回転可能な電気的結合アセンブリの前記第1部が、前記本体部分に一体形成された1つ又は2つ以上の導電チャネルを含む、実施態様1に記載の外科用器具。
(10) 前記1つ又は2つ以上の導電チャネルがMID構成要素を含む、実施態様9に記載の外科用器具。
(12) 前記1つ又は2つ以上の弾性的に付勢されたアームがMID構成要素を含む、実施態様11に記載の外科用器具。
(13) 前記回転可能な電気的結合アセンブリの前記第2部が、回転可能なドラムを含み、前記第2導電部分が導電配線を含む、実施態様1に記載の外科用器具。
(14) 前記第2部がMID構成要素を含む、実施態様1に記載の外科用器具。
(15) (a)前記本体部分から遠位方向に延在する伝送アセンブリと、
(b)前記伝送アセンブリの遠位端に結合されるエンドエフェクタと、を更に備える、実施態様1に記載の外科用器具。
(a)本体部分と、
(b)前記本体部分に対して回転可能である、超音波トランスデューサと、
(c)回転可能な電気的結合アセンブリであって、
i.導電配線を含み、前記トランスデューサと共に回転するように構成された、ディスク、及び
ii.前記導電配線に電気的に結合されるブラシ接点を含み、
前記ブラシ接点が、電力供給部に電気的に結合され、前記導電配線が前記トランスデューサに電気的に結合される、回転可能な電気的結合アセンブリと、を備える、外科用器具。
(17) 前記ディスクが、PC基板を含む、実施態様16に記載の外科用器具。
(18) 前記回転可能な電気的結合アセンブリが、回転ドラムを更に含み、前記回転ドラムが、前記トランスデューサと共に回転するように構成され、前記回転ドラムが、キー止め部分(keyed portion)を含み、前記ディスクが、キースロットを更に含み、前記ディスクが、前記回転ドラムによって摺動可能に携行されるように構成され、前記キー止め部分は、前記回転ドラムが回転されるときに、前記キースロットに係合するように構成される、実施態様16に記載の外科用器具。
(19) 回転可能なトランスデューサアセンブリであって、
(a)遠位壁部及び近位壁部を有するケーシングと、
(b)前記近位壁部に結合された導電部材と、
(c)結合部材を含む超音波トランスデューサであって、前記結合部材は、前記トランスデューサを前記ケーシングの前記遠位壁部に結合するように構成され、前記トランスデューサの第1部分は、前記ケーシング内に配置され、前記トランスデューサの第2部分は、前記ケーシングから遠位方向に延在する、超音波トランスデューサと、
(d)前記ケーシング内に配置された回路基板であって、
前記回路基板は前記導電部材に電気的に結合し、前記回路基板は前記トランスデューサの前記第1部分に電気的に結合される、回路基板と、を備える、回転可能なトランスデューサアセンブリ。
(20) センサを更に備え、前記センサが、前記回路基板に電気的に結合された、実施態様19に記載の回転可能なトランスデューサアセンブリ。
Claims (15)
- 外科用器具であって、
(a)ハンドルアセンブリと、
(b)前記ハンドルアセンブリに受容されている超音波トランスデューサと、
(c)前記トランスデューサと共に回転するように構成されている管カラーと、
(d)回転可能な電気的結合アセンブリであって、
i.第1導電部分を有する第1部、及び
ii.第2部であって、第2導電部分と、前記第2部を通って形成される孔とを有する第2部、を含み、
前記第2導電部分は、前記トランスデューサに電気的に結合され、前記第1導電部分及び前記第2導電部分は電気的に結合され、前記第2部は、前記管カラーと共に回転するように構成され、前記第2部は、前記第1部に対して回転可能である、回転可能な電気的結合アセンブリと、を備え、
前記トランスデューサの一部は、前記第2部の前記孔を通じて挿入され、前記孔を通じて挿入された前記トランスデューサの一部は、前記第2部と接触しない、外科用器具。 - 前記第1導電部分がポゴピンを含む、請求項1に記載の外科用器具。
- 前記第1導電部分が、ブラシ接点を含む、請求項1に記載の外科用器具。
- 前記第1導電部分が玉軸受を含む、請求項1に記載の外科用器具。
- 前記トランスデューサが、1つ又は2つ以上の電極を含み、前記第2導電部分が、前記1つ又は2つ以上の電極のうちの1つの電極に固定して結合され、前記第2導電部分が、前記回転可能な電気的結合アセンブリの前記第2部に結合可能である、請求項1に記載の外科用器具。
- 前記回転可能な電気的結合アセンブリの前記第1部が、前記ハンドルアセンブリに対して長手方向に並進可能である、請求項1に記載の外科用器具。
- 前記回転可能な電気的結合アセンブリの前記第2部が、前記管カラーに対して長手方向に並進可能である、請求項1に記載の外科用器具。
- 前記第1部が移送ケースを含み、前記第2部が、前記移送ケース内に配置された回転可能なドラムを含む、請求項1に記載の外科用器具。
- 前記回転可能な電気的結合アセンブリの前記第1部が、前記ハンドルアセンブリに一体形成された1つ又は2つ以上の導電チャネルを含む、請求項1に記載の外科用器具。
- 前記1つ又は2つ以上の導電チャネルがMID構成要素を含む、請求項9に記載の外科用器具。
- 前記回転可能な電気的結合アセンブリの前記第1部が、前記ハンドルアセンブリに取り付けられた、1つ又は2つ以上の弾性的に付勢されたアームを含み、前記1つ又は2つ以上の弾性的に付勢されたアームのそれぞれが、前記第2導電部分に電気的に結合するように構成された接点を含む、請求項1に記載の外科用器具。
- 前記1つ又は2つ以上の弾性的に付勢されたアームがMID構成要素を含む、請求項11に記載の外科用器具。
- 前記回転可能な電気的結合アセンブリの前記第2部が、回転可能なドラムを含み、前記第2導電部分が導電配線を含む、請求項1に記載の外科用器具。
- 前記第2部がMID構成要素を含む、請求項1に記載の外科用器具。
- (a)前記ハンドルアセンブリから遠位方向に延在する伝送アセンブリと、
(b)前記伝送アセンブリの遠位端に結合されるエンドエフェクタと、を更に備える、請求項1に記載の外科用器具。
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- 2011-11-03 CA CA2816908A patent/CA2816908A1/en not_active Abandoned
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CN103796600B (zh) | 2017-06-06 |
CN103796600A (zh) | 2014-05-14 |
EP2635203A1 (en) | 2013-09-11 |
WO2012061643A1 (en) | 2012-05-10 |
CA2816908A1 (en) | 2012-05-10 |
EP2635203B1 (en) | 2017-12-20 |
WO2012061643A8 (en) | 2013-05-23 |
AU2011323284A1 (en) | 2013-05-30 |
JP2013545534A (ja) | 2013-12-26 |
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