JP4777243B2 - 体内での関節空間測定装置および測定方法 - Google Patents
体内での関節空間測定装置および測定方法 Download PDFInfo
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- JP4777243B2 JP4777243B2 JP2006518891A JP2006518891A JP4777243B2 JP 4777243 B2 JP4777243 B2 JP 4777243B2 JP 2006518891 A JP2006518891 A JP 2006518891A JP 2006518891 A JP2006518891 A JP 2006518891A JP 4777243 B2 JP4777243 B2 JP 4777243B2
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- Prior art keywords
- intra
- prosthetic
- component
- articular
- joint
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- Expired - Fee Related
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
本出願は、2003年7月11日に出願されたマーク・アール・ディシルベストロ(Mark R. DiSilvestro)による米国仮特許出願第60/486,615号「体内での関節空間測定装置および測定方法(In Vivo Joint Space Measurement Device and Method)」の優先権を主張するもので、上記米国仮特許出願は、その全体が、参照することによって本出願に組み込まれる。
本発明は、関節内人工器官システム(joint endoprostheses systems)に関する。
ヒトの関節は、事故または病気の結果として、損傷を受けることがある。そのような損傷は、例えば、関節において2つの骨の端部を包む関節軟骨、および、関節の隣り合う骨の2つの端部の間の関節内軟骨に及ぼされる。関節に及ぼされた損傷が重篤な場合、関節内人工器官が、患者の快適さおよび運動性を改善するために、植え込まれることがある。
本発明は、関節内人工器官の状態を監視するための、容易に得ることができる正確なデータを提供することの必要性に取り組む。
本発明の原理を組み込んだ関節内人工器官システムが、添付の図面に例示されている。図1、図4、図6、図8、図10、図15、および、図16では、システムは膝関節内人工器官システムである。図7では、システムは股関節内人工器官システムである。図12では、システムは肩関節内人工器官システムである。図1、図4、図6から図8、図12、図15、および、図16は、これらのシステムおよびコンポーネントの模式的な例示であって、人工器官コンポーネントの特徴の全てを示しているものではないことが、理解されなければならない。本発明の開示内容が、肘関節、橈骨手根関節、および、足関節の関節内人工器官、および、四肢の指に用いるための関節内人工器官を含むその他の関節内人工器官にも適用できることも理解されなければならない。
この発明の具体的な実施態様は以下の通りである。
(1)患者の体内の関節接合部で接する2つの骨を含む関節で用いるための関節内人工器官システムであって、
前記関節内人工器官システムは、
第1の人工器官コンポーネントと、
第2の人工器官コンポーネントであって、前記第1の人工器官コンポーネントに対して配置されるベアリング面を含み、前記第1の人工器官コンポーネントと前記第2の人工器官コンポーネントの前記ベアリング面との境界が、関節接合部を画定する、第2の人工器官コンポーネントと、
前記関節接合部の一方の側で前記患者の体内に固定され、第1の信号を生成する、信号源と、
前記信号源とは反対の前記関節接合部のもう一方の側で前記患者の体内に固定される、距離基準と、
前記患者の体内に固定され、送信機信号を生み出すことができる内部送信機であって、前記送信機信号が、前記信号源および前記距離基準の間の距離に応じて変わる特性を備え、前記患者の体内から前記患者の体の外側の位置へ伝送される、内部送信機と、
を具備する、
関節内人工器官システム。
(2)前記実施態様(1)記載の関節内人工器官システムであって、
前記信号源が、渦電流センサーを含み、
前記距離基準が、目標を含む、
関節内人工器官システム。
(3)前記実施態様(2)記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、顆を備えた大腿骨遠位人工器官を含み、
前記第2の人工器官コンポーネントが、脛骨ベアリングを含み、
前記関節内人工器官システムが、前記脛骨ベアリングと接触する表面を備えた脛骨近位人工器官をさらに具備する、
関節内人工器官システム。
(4)前記実施態様(3)記載の関節内人工器官システムであって、
前記目標が、前記大腿骨遠位人工器官の少なくとも一つの前記顆の表面の少なくとも一部分を含む、
関節内人工器官システム。
(5)前記実施態様(3)記載の関節内人工器官システムであって、
前記目標が、前記脛骨近位人工器官の前記表面の少なくとも一部分を含む、
関節内人工器官システム。
前記第1の人工器官コンポーネントが、寛骨臼ライナーを含み、
前記第2の人工器官コンポーネントが、前記寛骨臼ライナーに当接するための表面を備えた大腿骨ヘッドを有する大腿骨近位端コンポーネントを含み、
前記関節内人工器官システムが、寛骨臼シェルをさらに具備する、
関節内人工器官システム。
(7)前記実施態様(6)記載の関節内人工器官システムであって、
前記目標が、前記寛骨臼シェルの表面の少なくとも一部分を含む、
関節内人工器官システム。
(8)前記実施態様(6)記載の関節内人工器官システムであって、
前記目標が、前記大腿骨ヘッドの前記表面の少なくとも一部分を含む、
関節内人工器官システム。
(9)前記実施態様(2)記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、上腕骨コンポーネントを含み、
前記第2の人工器官コンポーネントが、関節窩コンポーネントを含む、
関節内人工器官システム。
(10)前記実施態様(1)記載の関節内人工器官システムであって、
前記距離基準が、センサーを含み、
前記センサーが、前記信号源および前記センサーの間の距離に応じて変わる特性を備えた第2の信号を生成することができ、
前記信号源および前記距離基準の間の距離に応じて変わる前記送信機信号の前記特性が、前記第2の信号の前記特性に応じて変わる、
関節内人工器官システム。
前記信号源、前記センサー、および、前記送信機が、前記患者の体内で、前記第1の信号、前記第2の信号、および、前記送信機信号、を生成することができる、
関節内人工器官システム。
(12)前記実施態様(10)記載の関節内人工器官システムであって、
前記第2の信号の変化可能な前記特性が、電圧、波の周波数、波の振幅、および、波の位相、のうちの少なくとも一つを含み、
前記送信機信号の前記特性が、波の周波数、波の振幅、および、波の位相、のうちの少なくとも一つを含む、
関節内人工器官システム。
(13)前記実施態様(11)記載の関節内人工器官システムであって、
前記センサーが、ホール効果変換器を含み、
前記信号源が、永久磁石を含み、
前記送信機が、無線周波数送信機を含み、
前記第1の信号が、磁界を含み、
前記第2の信号が、電圧を含み、
前記送信機信号が、無線周波数波を含む、
関節内人工器官システム。
(14)前記実施態様(11)記載の関節内人工器官システムであって、
前記送信機信号を前記患者の体の外側の位置へ伝送するために、前記無線周波数送信機に結合されたアンテナを具備する、
関節内人工器官システム。
(15)前記実施態様(11)記載の関節内人工器官システムであって、
前記第1の信号が、磁界、電界、および、無線周波数波、のうちの少なくとも一つを含む、
関節内人工器官システム。
前記第2の信号が、電圧、電流、および、無線周波数波、のうちの少なくとも一つを含む、
関節内人工器官システム。
(17)前記実施態様(11)記載の関節内人工器官システムであって、
前記センサーが、無線周波数トランスポンダーを含み、
前記信号源が、無線周波数波の供給源を含み、
前記第1の信号、前記第2の信号、および、前記送信機信号が、無線周波数波を含む、
関節内人工器官システム。
(18)前記実施態様(11)記載の関節内人工器官システムであって、
前記患者の体内に植え込まれる電源をさらに具備する、
関節内人工器官システム。
(19)前記実施態様(11)記載の関節内人工器官システムであって、
前記患者の体内に植え込まれ、前記センサーおよび前記送信機に電気的に接続されて、前記第2の信号を前記送信機信号に変換する、電子的コンポーネントを、さらに具備する、
関節内人工器官システム。
(20)前記実施態様(11)記載の関節内人工器官システムであって、
前記信号源が、前記第1の人工器官コンポーネントに固定され、
前記センサーが、別の人工器官コンポーネントに固定されている、
関節内人工器官システム。
前記距離基準が、前記第1の人工器官コンポーネントおよび前記第2の人工器官コンポーネントの両方から離れている、
関節内人工器官システム。
(22)前記実施態様(11)記載の関節内人工器官システムであって、
前記信号源が、前記第1の人工器官コンポーネントおよび前記第2の人工器官コンポーネントの両方から離れている、
関節内人工器官システム。
(23)前記実施態様(22)記載の関節内人工器官システムであって、
前記距離基準が、前記第1の人工器官コンポーネントおよび前記第2の人工器官コンポーネントの両方から離れている、
関節内人工器官システム。
(24)前記実施態様(11)記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、大腿骨遠位端コンポーネントを含み、
前記第2の人工器官コンポーネントが、脛骨ベアリングを含む、
関節内人工器官システム。
(25)前記実施態様(11)記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、大腿骨ヘッドを含み、
前記第2の人工器官コンポーネントが、寛骨臼ライナーを含む、
関節内人工器官システム。
前記第1の人工器官コンポーネントが、上腕骨コンポーネントを含み、
前記第2の人工器官コンポーネントが、関節窩コンポーネントを含む、
関節内人工器官システム。
(27)前記実施態様(1)記載の関節内人工器官システムであって、
前記信号源によって生成された前記第1の信号が、電界を含み、
前記距離基準が、キャパシターの一部を含む、
関節内人工器官システム。
(28)患者の体内の関節空間の寸法を求める方法であって、
前記患者は、関節内人工器官を有し、前記関節内人工器官は、第1の人工器官コンポーネント、および、前記第1の人工器官コンポーネントに隣接した前記関節空間を占めるベアリング、を具備し、
前記方法が、
前記関節空間の寸法に関連する特性を備えた距離に関連する信号を生成する過程と、
前記患者の体内から前記患者の体の外側の位置へ信号を伝送する過程であって、前記信号が、前記距離に関連する信号に関連する特性を有する、信号を伝送する過程と、
前記患者の体の外側に伝送された前記信号の前記特性の値に基づいて、前記関節空間の寸法を求める過程と、
を具備する、
患者の体内の関節空間の寸法を求める方法。
(29)前記実施態様(28)記載の、患者の体内の関節空間の寸法を求める方法であって、
距離に関連した信号を生成する前記過程が、
前記関節空間を横切る磁界を生成する過程を、含む、方法。
(30)前記実施態様(29)記載の、患者の体内の関節空間の寸法を求める方法であって、
前記磁界が、前記関節空間の一方の側で生成され、
距離に関連する信号を生成する前記過程が、
前記関節空間の対向する側で電圧を生成する過程であって、前記電圧が、前記関節空間の前記対向する側の前記磁界の特性に関連する振幅を有する、電圧を生成する過程、をさらに含む、方法。
前記患者の体の外側の位置に信号を伝送する前記過程が、
無線周波数波を生み出す過程を含む、方法。
(32)前記実施態様(28)記載の、患者の体内の関節空間の寸法を求める方法であって、
距離に関連する信号を生成する前記過程が、
前記関節空間の一方の側の第1の固定された位置で第1の無線周波数波を生み出す過程と、
前記関節空間の対向する側の第2の固定された位置で第2の無線周波数波を生み出す過程と、
を含み、
前記第2の無線周波数波が、前記第1の固定された位置および前記第2の固定された位置の間の距離に応じて変わる特性を有する、方法。
(33)前記実施態様(32)記載の、患者の体内の関節空間の寸法を求める方法であって、
距離に応じて変わる前記第2の無線周波数波の前記特性が、周波数、振幅、および、位相、のうちの少なくとも一つを含む、方法。
(34)前記実施態様(32)記載の、患者の体内の関節空間の寸法を求める方法であって、
前記患者の体の外側の位置へ信号を伝送する前記過程が、
前記第2の無線周波数波の特性に応じて変化する特性を備えた無線周波数波を生成する過程を、含む、方法。
(35)前記実施態様(34)記載の、患者の体内の関節空間の寸法を求める方法であって、
前記伝送される信号の前記特性が、周波数、振幅、および、位相、のうちの少なくとも一つを含む、方法。
前記関節が、膝関節を含み、
前記第1の人工器官コンポーネントが、大腿骨遠位端コンポーネントを含み、
前記ベアリングが、前記大腿骨遠位端コンポーネントに隣接した関節空間を占める脛骨ベアリングを含む、方法。
(37)前記実施態様(28)記載の、患者の体内の関節空間の寸法を求める方法であって、
前記関節が、股関節を含み、
前記第1の人工器官コンポーネントが、大腿骨近位端コンポーネントを含み、
前記ベアリングが、寛骨臼ライナーを含む、方法。
(38)前記実施態様(28)記載の、患者の体内の関節空間の寸法を求める方法であって、
前記関節が、肩関節を含み、
前記第1の人工器官コンポーネントが、上腕骨コンポーネントを含み、
前記ベアリングが、関節窩コンポーネントを含む、方法。
(39)前記実施態様(28)記載の、患者の体内の関節空間の寸法を求める方法であって、
距離に関連した信号を生成する前記過程が、
前記関節空間を横切る電界を生成する過程を、含む、方法。
(40)前記実施態様(28)記載の、患者の体内の関節空間の寸法を求める方法であって、
距離に関連した信号を生成する前記過程が、
渦電流を生成し、前記関節空間の反対の側の渦電流の変化を求める過程、を含む、方法。
前記患者は、関節内人工器官を有し、前記関節内人工器官は、第1の人工器官コンポーネント、および、前記第1の人工器官コンポーネントに隣接した前記関節空間を占めるベアリング、を具備し、
前記方法が、
患者の体内の第1の位置の前記関節空間の一方の側から第1の信号を生成する過程と、
前記患者の体内の第2の位置の前記関節空間の対向する側で前記第1の信号を受信する過程と、
前記患者の体内から外部の位置へ信号を伝送する過程であって、前記外部の位置へ伝送される前記信号が、前記第1の位置および前記第2の位置の間の距離に関連する特性を有する、信号を伝送する過程と、
前記外部の位置へ伝送される前記信号の前記特性に基づいて、前記関節空間の寸法の変化の程度を求める過程と、
を具備する、方法。
(42)前記実施態様(41)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
前記第1の信号を生成する前記過程が、
前記第2の位置で磁界を生み出す、方法。
(43)前記実施態様(41)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
前記第1の信号を生み出す前記過程が、
無線周波数波を生み出す過程を含む、方法。
(44)前記実施態様(41)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
第1の信号を生み出す前記過程が、
前記第2の位置で電界を生み出す過程を含む、方法。
(45)前記実施態様(41)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
第1の信号を生み出す前記過程が、渦電流を生み出す過程を含む、方法。
外部の位置へ信号を伝送する前記過程が、
無線周波数波を生み出す過程を含む、方法。
(47)前記実施態様(46)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
前記第1の位置および前記第2の位置の間の距離に関連する前記無線周波数波の前記特性が、周波数、振幅、および、位相、のうちの少なくとも一つを含む、方法。
(48)前記実施態様(41)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
前記関節が、膝関節を含み、
前記第1の人工器官コンポーネントが、大腿骨遠位端コンポーネントを含み、
前記ベアリングが、前記大腿骨遠位端コンポーネントに隣接した前記関節空間を占める脛骨ベアリングを含む、方法。
(49)前記実施態様(41)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
前記関節が、股関節を含み、
前記第1の人工器官コンポーネントが、大腿骨近位端コンポーネントを含み、
前記ベアリングが、寛骨臼ライナーを含む、方法。
(50)前記実施態様(41)記載の、患者の体内の関節空間の寸法の変化を求める方法であって、
前記関節が、肩関節を含み、
前記第1の人工器官コンポーネントが、上腕骨コンポーネントを含み、
前記ベアリングが、関節窩コンポーネントを含む、方法。
(52)前記実施態様(51)記載の植え込み可能な医療器具であって、
選択的に磁石として作用する前記材料が、超常磁性磁石を含む、
植え込み可能な医療器具。
(53)前記実施態様(51)記載の植え込み可能な医療器具であって、
前記医療器具が、骨人工器官を含む、
植え込み可能な医療器具。
(54)医療システムであって、
植え込み可能な人工器官コンポーネントと、
前記植え込み可能な人工器官コンポーネントに保持された選択的に磁石として作用する材料と、
選択的に磁石として作用する前記材料によって生み出された特性を検出するための外部センサーと、
を具備する、
医療システム。
(55)前記実施態様(54)記載の医療システムであって、
選択的に磁石として作用する前記材料が、超常磁性磁石を含む、
医療システム。
前記センサーが、ホール効果センサーを含む、
医療システム。
(57)前記実施態様(54)記載の医療システムであって、
前記ホール効果センサーが、3次元ホール効果センサーを含む、
医療システム。
(58)前記実施態様(54)記載の医療システムであって、
別のセンサーをさらに含む、
医療システム。
(59)前記実施態様(58)記載の医療システムであって、
複数の別のセンサーをさらに含む、
医療システム。
(60)前記実施態様(54)記載の医療システムであって、
前記センサーを保持するカフをさらに含む、
医療システム。
選択的に磁石として作用する前記材料を選択的に磁化するための磁界供給源をさらに含む、
医療システム。
(62)患者の体内の関節接合部で接する2つの骨を含む関節で用いるための関節内人工器官システムであって、
前記関節内人工器官システムが、
第1の人工器官コンポーネントと、
前記第1の人工器官コンポーネントに対して配置されるベアリング面を備えた第2の人工器官コンポーネントであって、前記第1の人工器官コンポーネントと前記第2の人工器官コンポーネントの前記ベアリング面との境界が、関節接合部を画定する、第2の人工器官コンポーネントと、
前記患者の体内に固定される磁石と、
前記患者の体内に固定されるセンサーであって、前記磁石の前記磁界の性質を検出することができる、センサーと、
前記患者の体内に固定される内部送信機であって、前記内部送信機は、信号を生み出すことができ、前記信号は、前記センサーによって検出された前記性質に応じて変わる特性を備え、前記信号は、前記患者の体内から前記患者の体の外側の位置へ伝送される、内部送信機と、
を具備する、
関節内人工器官システム。
(63)前記実施態様(62)記載の関節内人工器官システムであって、
前記センサーが、
ホール効果センサー、3次元ホール効果センサー、可変リラクタンスセンサー、磁気弾性センサー、磁気抵抗センサー、磁気制限センサー、飽和コアセンサー、超伝導量子干渉装置、核磁気共鳴センサー、誘導コア磁力計、プロトン歳差磁力計、および、光ポンプ磁力計、からなる集合から選択されている、
関節内人工器官システム。
(64)前記実施態様(62)記載の関節内人工器官システムであって、
前記患者の体内に植え込まれる電源をさらに含む、
関節内人工器官システム。
(65)前記実施態様(62)記載の関節内人工器官システムであって、
前記磁石が、前記人工器官コンポーネントの一方によって保持され、
前記センサーが、前記人工器官コンポーネントのもう一方によって保持されている、
関節内人工器官システム。
第1の人工器官コンポーネントと、
前記第1の人工器官コンポーネントに対して配置されるベアリング面を備えた第2の人工器官コンポーネントであって、前記第1の人工器官コンポーネントと前記第2の人工器官コンポーネントの前記ベアリング面との境界が、関節接合部を画定する、第2の人工器官コンポーネントと、
前記患者の体内に固定される磁石と、
前記患者の体の外側で維持されるセンサーであって、前記磁石の前記磁界の性質を検出することができる、センサーと、
を具備する、
関節内人工器官システム。
(67)前記実施態様(66)記載の関節内人工器官システムであって、
前記センサーが、ホール効果センサー、3次元ホール効果センサー、可変リラクタンスセンサー、磁気弾性センサー、磁気抵抗センサー、磁気制限センサー、飽和コアセンサー、超伝導量子干渉装置、核磁気共鳴センサー、誘導コア磁力計、プロトン歳差磁力計、および、光ポンプ磁力計、からなる集合から選択されている、
関節内人工器官システム。
(68)前記実施態様(66)記載の関節内人工器官システムであって、
前記センサーを保持する外部カフをさらに含む、
関節内人工器官システム。
(69)前記実施態様(66)記載の関節内人工器官システムであって、
前記患者の体の外側で維持される別のセンサーをさらに含む、
関節内人工器官システム。
(70)前記実施態様(66)記載の関節内人工器官システムであって、
前記患者の体の外側で維持される複数の別のセンサーをさらに含む、
関節内人工器官システム。
10 膝関節内人工器官システム
12 大腿骨
14 脛骨
16 脛骨ベアリング
16A ベアリングコンポーネント
17 近位の表面
18 脛骨近位端コンポーネント
18A 脛骨近位端コンポーネント
20 関節接合部
22 顆
24 大腿骨遠位端コンポーネント
24A 大腿骨遠位端コンポーネント
25 関節空間
26,26’ 信号源
28,28’,28’’,28’’’ センサー
29 近位の面
30 電子的コンポーネント
31 患者の体
32 電力コンポーネント
33 凹部
34 プリント回路基板
36 変調器/送信機
38 配線
40 受信機
42 データ翻訳装置
44 外部電源
49 股関節内人工器官システム
50 寛骨臼キャップ
52 大腿骨近位端コンポーネント
54 大腿骨ヘッド
56 寛骨ライナー
58 関節
60 内側面
62 関節空間
70 電子回路
72 電源
74 デジタル論理素子
76 パルス発生器
78 プリント回路基板
79 肩関節内人工器官システム
80 内部送信機
81 関節窩コンポーネント
82 配線
83 上腕骨コンポーネント
84 外部の電源
85 上腕骨ヘッド
86 外部の受信機
87 関節面
88 データ翻訳装置
91 関節空間
100,101 凹部
102,103 関節内人工器官コンポーネントの本体
104,105 密封材
106 支持部材
108,110 電気リード線
112 RFアンテナ線
114 本体
116 近位の端部
118 遠位の端部部分
120 中間部分
122 中空ステム
124,125 溝
126,128 取り付け溝
130,132 取り付けラグ
136 端部キャップ
138 基板
140 切り欠き部
142 ブリッジ部分
150 カフ
152 磁界源
154 結線
Claims (13)
- 患者の体内の関節接合部で接する2つの骨を含む関節で用いるための関節内人工器官システムであって、
前記関節内人工器官システムは、
第1の人工器官コンポーネントと、
第2の人工器官コンポーネントと、
前記第1の人工器官コンポーネントに対して配置されるベアリング面、および前記第2の人工器官コンポーネントに対して配置される第2の面を有するベアリングコンポーネントであって、前記第1の人工器官コンポーネントと前記ベアリングコンポーネントの前記ベアリング面との境界が、関節接合部を画定する、ベアリングコンポーネントと、
前記関節接合部の一方の側で前記人工器官コンポーネントの一方の内部に収容された信号源であって、磁界および磁束密度からなる集合から選択された第1の信号を生成することができる、信号源と、
前記信号源とは反対の前記関節接合部のもう一方の側で前記人工器官コンポーネントのもう一方の内部に収容されたセンサーであって、前記センサーは、電圧を生成することができ、前記電圧の大きさは、前記第1の信号の大きさに左右される、センサーと、
前記人工器官コンポーネントの前記もう一方の内部に収容され、前記センサーに接続された変調器であって、前記センサーにより生成された前記電圧を送信機信号に変換することができる、変調器と、
前記人工器官コンポーネントの前記もう一方の内部に収容された内部送信機であって、前記患者の体内から前記患者の体の外側の位置へ前記送信機信号を伝送することができる、内部送信機と、
を具備する、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、顆を備えた大腿骨遠位人工器官を含み、
前記第2の人工器官コンポーネントが、脛骨人工器官を含む、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、寛骨臼シェルを含み、
前記ベアリングコンポーネントが、寛骨臼ライナーを含み、
前記第2の人工器官コンポーネントが、前記寛骨臼ライナーに当接するための表面を備えた大腿骨ヘッドを有する大腿骨近位端コンポーネントを含む、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記センサーが、ホール効果変換器を含み、
前記信号源が、永久磁石を含み、
前記変調器が、前記ホール効果変換器で生成された前記電圧を無線周波数波に変換する、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記送信機信号を前記患者の体の外側の位置へ伝送するために、前記内部送信機に結合され、前記人工器官コンポーネントの一方の内部に収容されたアンテナを具備する、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記第1の信号が、磁界を含む、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記患者の体内に植え込まれる電源をさらに具備する、
関節内人工器官システム。 - 請求項4記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、大腿骨遠位端コンポーネントを含み、
前記第2の人工器官コンポーネントが、脛骨人工器官を含む、
関節内人工器官システム。 - 請求項4記載の関節内人工器官システムであって、
前記第1の人工器官コンポーネントが、大腿骨ヘッドを含み、
前記第2の人工器官コンポーネントが、寛骨臼シェルを含み、
前記ベアリングコンポーネントが、寛骨臼ライナーを含む、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記変調器および前記送信機が、単一の電子要素である、
関節内人工器官システム。 - 請求項1記載の関節内人工器官システムであって、
前記変調器および前記送信機が、離散的な電子要素である、
関節内人工器官システム。 - 請求項7記載の関節内人工器官システムであって、
前記電源が、フェライトコイルを含む、
関節内人工器官システム。 - 請求項7記載の関節内人工器官システムであって、
前記電源が、バッテリーを含む、
関節内人工器官システム。
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US48661503P | 2003-07-11 | 2003-07-11 | |
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JP2007530082A JP2007530082A (ja) | 2007-11-01 |
JP4777243B2 true JP4777243B2 (ja) | 2011-09-21 |
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US (1) | US7195645B2 (ja) |
EP (2) | EP2335651A1 (ja) |
JP (1) | JP4777243B2 (ja) |
WO (1) | WO2005039440A2 (ja) |
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Also Published As
Publication number | Publication date |
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US20050010301A1 (en) | 2005-01-13 |
EP1648354A2 (en) | 2006-04-26 |
JP2007530082A (ja) | 2007-11-01 |
WO2005039440A2 (en) | 2005-05-06 |
US7195645B2 (en) | 2007-03-27 |
WO2005039440A3 (en) | 2006-03-02 |
EP1648354A4 (en) | 2010-03-31 |
EP2335651A1 (en) | 2011-06-22 |
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LAPS | Cancellation because of no payment of annual fees |