JP2015505701A - 下肢義足 - Google Patents
下肢義足 Download PDFInfo
- Publication number
- JP2015505701A JP2015505701A JP2014546632A JP2014546632A JP2015505701A JP 2015505701 A JP2015505701 A JP 2015505701A JP 2014546632 A JP2014546632 A JP 2014546632A JP 2014546632 A JP2014546632 A JP 2014546632A JP 2015505701 A JP2015505701 A JP 2015505701A
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- JP
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- Prior art keywords
- knee
- level
- resistance
- control device
- flexion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
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- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Prostheses (AREA)
Abstract
Description
足センサ(加速度計85および足首屈曲角度センサ87(図1D、図2))が、地面の傾斜の変化を示すセンサ信号を生成する(ステップ140)。
メインコントローラ102および/または足首コントローラ106が、これらのセンサ信号のデジタル化バージョンを解析し、表面が下方傾斜路へと変化したことを判定する(ステップ142)。
一方においては活動モードと動態パラメータ値または運動パラメータ値との間の、他方においては各屈曲制御抵抗間の、関係についての記憶された行列に基づき、モードの変化が、膝モータおよび足首モータについての新たな設定へと翻訳される(ステップ144)。
モータドライバ110,112により、膝モータ34,50および足首モータ84(図2)はそれぞれ新たな設定とされ、これは、この例においては、水平歩行(平常歩行)モードにおけるのと同様に、膝関節制御デバイス18の油圧部分が傾斜路下降モードにおいて中程度の降伏をもたらすように設定され、制御デバイス18の空気圧部分が歩行速度に応じた設定とされる、新たな設定へとサーボモータ50を推進することを伴う(ステップ146)。同時に、足首モータの設定が、足関節制御デバイスにより生成される背屈抵抗を上昇させ、足底屈抵抗を低下させるように変更される(ステップ148)。
1.種々の速度による水平歩行
2.水平歩行−開始および停止
3.種々の速度および種々の勾配における傾斜路の上昇歩行および下降歩行
4.階段の上昇歩行および下降歩行
5.種々の擾乱を伴う水平歩行
6.歩行および立脚からのまたは歩行および立脚への着座および起立
7.他の活動モード
第1の足角度値からピークまでの第1の積分である積分1
ピークから第1の足角度値線と再び交差するまでの第2の積分である積分2
種々の足底屈抵抗および背屈抵抗に関して求められる積分1対積分2の比およびこれら2つの積分の和は、典型的には表1に示されるようなものとなる。
Claims (16)
- 装着セクションと、
脛骨セクションと、
足セクションと、
膝屈曲を制動するための動的に調節可能な膝屈曲制御デバイスを有し、前記装着セクションと前記脛骨セクションとを枢動可能に連結する膝関節と、
前記脛骨セクションと前記足セクションとを枢動可能に連結する足関節と、
移動または歩行環境の少なくとも1つの動態パラメータまたは運動パラメータを示すセンサ信号を生成するようにそれぞれが構成された複数のセンサと、
前記複数のセンサのうち地面の傾斜を示す傾斜センサ信号を生成するセンサからの信号を含む、前記複数のセンサからの信号に応じ、前記膝関節の屈曲制御設定を動的にかつ自動的に修正するために、前記複数のセンサおよび前記膝屈曲制御デバイスに接続された電子制御システムと
を備え、
前記複数のセンサ、前記電子制御システム、および前記膝屈曲制御デバイスは、前記傾斜センサ信号が下降傾斜の下り勾配を示す場合に、膝屈曲制御デバイスの制動抵抗が、
歩容周期の立脚相の大部分においては第1のレベルに設定され、
歩容周期の遊脚相の大部分においてはより低い第2のレベルに設定されるように構成され、
立脚相の後期部分を含む期間において、前記膝屈曲制御デバイスは、膝屈曲に対する制動抵抗が前記第1のレベルと前記第2のレベルとの間になるように調節される下肢義足。 - 前記複数のセンサ、前記電子制御システム、および前記膝屈曲制御デバイスは、前記傾斜センサ信号が水平歩行および傾斜の上昇を示す場合に、前記膝屈曲制御デバイスの前記制動抵抗が、前記第1のレベルまたはそれと同等のレベルから前記第2のレベルまたはそれと同等のレベルへと実質的にただちに切り替えられるように構成された請求項1に記載の下肢義足。
- 前記期間において、前記膝屈曲制御デバイスの前記屈曲抵抗が、所定の第3の中間レベルに設定されるように構成された請求項1に記載の下肢義足。
- 前記膝屈曲制御デバイスに対して送られる信号により、前記屈曲抵抗が、前記期間の開始時に、前記第1のレベルと前記第2のレベルとの間の第3の所定の中間レベルへと段階的に低減され、前記期間の終了時には、前記第2のレベルへと段階的に低減されるように構成された請求項1または2に記載の下肢義足。
- 前記期間中に前記膝屈曲制御デバイスに対して送られる信号により、前記膝屈曲抵抗が、前記第1のレベルから前記第2のレベルへと漸進的に低減されるように構成された請求項1または2に記載の下肢義足。
- 前記期間の持続時間が、立脚相の持続時間の少なくとも10パーセントとなるように構成された請求項1から5のいずれか一項に記載の下肢義足。
- 前記期間が、立脚相の終了時に足尖離地をまたぐように構成された請求項1から6のいずれか一項に記載の下肢義足。
- 前記期間が、脛骨曲げモーメントの最大値で、または、その直後に始まるように構成された請求項1から7のいずれか一項に記載の下肢義足。
- 前記期間は、足尖離地後で、かつ、膝屈曲角度が増大しつつある際に終了するように構成された請求項1から8のいずれか一項に記載の下肢義足。
- 前記期間は、前記膝屈曲角度が遊脚相において実現される最大膝屈曲角度の30パーセントと70パーセントとの間のしきい値まで増大した際に終了するように構成された請求項9に記載の下肢義足。
- 下方傾斜の検出により、前記電子制御システムが、傾斜路下降モードになされ、前記傾斜路下降モードにおいて、前記電子制御システムは、傾斜路下降抵抗プログラムに従って、前記第1のレベルから前記第3のレベルへの前記膝屈曲制御デバイスの切替え、および、前記第3のレベルから前記第2のレベルへの前記膝屈曲制御デバイスの切替えを制御するように構成された請求項3または4に記載の下肢義足。
- 前記制動抵抗が前記第3のレベルに設定される歩容周期内の期間が、立脚相の持続時間の15%を上回るように構成された請求項11に記載の下肢義足。
- 前記第1のレベルから前記第3のレベルへの前記膝屈曲制動抵抗の切替えが、測定された動態パラメータに応じて実行されるように構成された請求項11または12に記載の下肢義足。
- 前記動態パラメータは、測定された脛骨曲げモーメントまたはその均等物である請求項13に記載の下肢義足。
- 前記期間の終了時に、前記膝屈曲制動抵抗が、測定された運動パラメータに応じて前記第3のレベルから前記第2のレベルに切り替えられるように構成された請求項11から14のいずれか一項に記載の下肢義足。
- 前記運動パラメータは、測定された膝角度またはその均等物である請求項15に記載の下肢義足。
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GB1121437.6 | 2011-12-13 | ||
GBGB1121437.6A GB201121437D0 (en) | 2011-12-13 | 2011-12-13 | A lower limb prothesis |
US201161580887P | 2011-12-28 | 2011-12-28 | |
US61/580,887 | 2011-12-28 | ||
GB1208410.9 | 2012-05-14 | ||
GB1208410.9A GB2499859A (en) | 2011-12-13 | 2012-05-14 | A lower limb prosthesis with sensors to affect knee damping resistance |
US201261647016P | 2012-05-15 | 2012-05-15 | |
US61/647,016 | 2012-05-15 | ||
PCT/GB2012/053106 WO2013088142A1 (en) | 2011-12-13 | 2012-12-12 | A lower limb prosthesis |
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JP2015505701A true JP2015505701A (ja) | 2015-02-26 |
JP6139558B2 JP6139558B2 (ja) | 2017-05-31 |
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JP2014546632A Active JP6139558B2 (ja) | 2011-12-13 | 2012-12-12 | 下肢義足 |
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EP (2) | EP2790614B1 (ja) |
JP (1) | JP6139558B2 (ja) |
GB (2) | GB201121437D0 (ja) |
WO (1) | WO2013088142A1 (ja) |
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WO2017017809A1 (ja) * | 2015-07-29 | 2017-02-02 | 川村義肢株式会社 | 膝関節の制御方法および下肢装具 |
JPWO2017017809A1 (ja) * | 2015-07-29 | 2018-05-24 | 川村義肢株式会社 | 膝関節の制御方法および下肢装具 |
JPWO2020240749A1 (ja) * | 2019-05-29 | 2021-12-16 | 日本電気株式会社 | 情報処理装置、歩行環境判定装置、歩行環境判定システム、情報処理方法及び記憶媒体 |
JP7124965B2 (ja) | 2019-05-29 | 2022-08-24 | 日本電気株式会社 | 情報処理装置、歩行環境判定装置、歩行環境判定システム、情報処理方法及び記憶媒体 |
KR20210062520A (ko) * | 2019-11-21 | 2021-05-31 | 한국산업기술대학교산학협력단 | 전동형 의족 및 전동형 의족의 충격 감지와 보행 지속여부를 판별하는 제어 방법 |
KR102366227B1 (ko) * | 2019-11-21 | 2022-02-21 | 한국산업기술대학교산학협력단 | 전동형 의족 및 전동형 의족의 충격 감지와 보행 지속여부를 판별하는 제어 방법 |
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EP3431048B1 (en) | 2020-06-03 |
US10285827B2 (en) | 2019-05-14 |
EP2790614B1 (en) | 2018-04-18 |
EP2790614A1 (en) | 2014-10-22 |
GB201208410D0 (en) | 2012-06-27 |
GB201121437D0 (en) | 2012-01-25 |
WO2013088142A9 (en) | 2013-09-19 |
WO2013088142A1 (en) | 2013-06-20 |
US20140379096A1 (en) | 2014-12-25 |
US20190358061A1 (en) | 2019-11-28 |
JP6139558B2 (ja) | 2017-05-31 |
GB2499859A9 (en) | 2014-03-05 |
EP3431048A1 (en) | 2019-01-23 |
GB2499859A (en) | 2013-09-04 |
US20220175559A1 (en) | 2022-06-09 |
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