JP6831455B2 - 操向可能な医療機器及びその作製方法 - Google Patents
操向可能な医療機器及びその作製方法 Download PDFInfo
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- JP6831455B2 JP6831455B2 JP2019520807A JP2019520807A JP6831455B2 JP 6831455 B2 JP6831455 B2 JP 6831455B2 JP 2019520807 A JP2019520807 A JP 2019520807A JP 2019520807 A JP2019520807 A JP 2019520807A JP 6831455 B2 JP6831455 B2 JP 6831455B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09116—Design of handles or shafts or gripping surfaces thereof for manipulating guide wires
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09133—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09175—Guide wires having specific characteristics at the distal tip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0238—General characteristics of the apparatus characterised by a particular materials the material being a coating or protective layer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0272—Electro-active or magneto-active materials
- A61M2205/0283—Electro-active polymers [EAP]
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Description
Claims (23)
- 医療機器であって、
少なくとも1つのイオン電気活性ポリマーアクチュエータであって、少なくとも1つの表面を規定している少なくとも1つのポリマー電解質部材、及び前記少なくとも1つのポリマー電解質部材の前記表面の周囲に配置された複数の電極を備える少なくとも1つのイオン電気活性ポリマーアクチュエータと、
細長可撓性部であって、近位端及び、前記イオン電気活性ポリマーアクチュエータに近接して固定された遠位端を規定しており、コア及び前記コアを取り囲むスリーブをさらに備える、細長可撓性部と、
複数の導電性ワイヤであって、それぞれが近位端、及び前記複数の電極のうちの少なくとも1つに連結された遠位端を有する複数の導電性ワイヤとを備え、
前記少なくとも1つのポリマー電解質部材が、前記複数の導電性ワイヤのうちの少なくとも1つを通じて前記複数の電極のうちの少なくとも1つに供給される電位の印加に応答して非対称に変形し、
前記コアが、前記細長可撓性部の前記遠位端に近接するテーパ部を備え、
前記コアが、前記ポリマー電解質部材の内部に延びている、医療機器。 - 前記スリーブが、前記細長可撓性部の前記遠位端から延びて、前記イオン電気活性ポリマーアクチュエータの少なくとも一部を取り囲んでいる、請求項1に記載の医療機器。
- 前記導電性ワイヤが、前記スリーブと前記コアの間に固定され、前記イオン電気活性ポリマーアクチュエータの少なくとも一部分に固定されている、請求項2に記載の医療機器。
- 前記ポリマー電解質部材が、電解質と、フッ素ポリマー及び導電性ポリマーからなる群から選択されたポリマーとを含む、請求項1に記載の医療機器。
- 前記フッ素ポリマーが、ペルフルオロイオノマー、ポリフッ化ビニリデン(PVDF)、またはそれらのコポリマーである、請求項4に記載の医療機器。
- 前記導電性ポリマーが、ポリアニリン(PANI)、ポリピロール(Ppy)、ポリ(3,4−エチレンジオキシチオフェン)(PEDOT)、ポリ(p−フェニレンスルファイド)(PPS)、またはこれらの組み合わせを含む、請求項4に記載の医療機器。
- 前記電極のうちのそれぞれが、プラチナ、金、もしくは炭素系材料、またはこれらのうちの2つ以上の組み合わせを含む、請求項1に記載の医療機器。
- 前記炭素系材料が、炭化物由来炭素、カーボンナノチューブ、グラフェン、炭化物由来炭素とポリマー電解質部材との複合物、及びカーボンナノチューブとポリマー電解質部材との複合物のうちの少なくとも1つを含む、請求項7に記載の医療機器。
- 前記電極が、前記電極間の角度を等しくして、少なくとも1つのポリマー電解質部材の周囲に周方向に分散して配置されている、請求項1に記載の医療機器。
- 前記導電性ワイヤのそれぞれが、前記コアの外表面に沿って直線的に配置されている、請求項1に記載の医療機器。
- 前記細長可撓性部が、直線的に延び且つ前記コアの外表面に沿って周方向に互いに離間して配置された複数の溝をさらに備え、各溝が前記導電性ワイヤのうちの1つを受容している、請求項1に記載の医療機器。
- 前記複数の導電性ワイヤのそれぞれが、その上を覆っている絶縁被覆をさらに含む、請求項1に記載の医療機器。
- 前記ポリマー電解質部材の表面と前記電極のうちの少なくとも1つとの間に延びる導電性ブリッジをさらに備える、請求項1に記載の医療機器。
- 前記コアが、内部に前記導電性ワイヤが延びる内部ルーメンをさらに備える、請求項1に記載の医療機器。
- 前記導電性ワイヤが、さらに前記内部ルーメンを通って貫通している、請求項14に記載の医療機器。
- 前記複数の導電性ワイヤのうちのそれぞれは、螺旋状にまたは織り合わせるように、前記コアの周囲に巻き付けられている、請求項1に記載の医療機器。
- 前記コアが、さらなる導電性導管の役割を果たし且つ前記複数の電極のうちの少なくとも1つに連結される金属材料を備える、請求項1に記載の医療機器。
- 前記イオン電気活性ポリマーアクチュエータが、2自由度の動作を与えるように構成された、請求項1に記載の医療機器。
- 4つの電極が、前記ポリマー電解質部材の前記表面の周囲に、等しい角度で周方向に互いに分散して配置されている、請求項18に記載の医療機器。
- 前記イオン電気活性ポリマーアクチュエータが、1自由度の動作を与えるように構成された、請求項1に記載の医療機器。
- 前記ポリマー電解質部材が、棒状の形状であり、前記ポリマー電解質部材の前記表面の周囲に、2つの電極が、等しい角度で周方向に分散して配置されている、請求項20に記載の医療機器。
- 前記ポリマー電解質部材が長方形の形状であり、頂表面と対応する底表面とを規定しており、2つの電極が、前記ポリマー電解質部材の前記頂表面と前記底表面の周囲に対称に周方向に分散して配置されてサンドイッチ構造を形成している、請求項20に記載の医療機器。
- 前記コアが、前記ポリマー電解質部材の遠位端へと、内部に延びている、請求項22に記載の医療機器。
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US201762539338P | 2017-07-31 | 2017-07-31 | |
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US62/539,346 | 2017-07-31 | ||
PCT/US2018/044059 WO2019027826A2 (en) | 2017-07-31 | 2018-07-27 | MEDICAL DEVICE ORIENTABLE AND METHOD FOR PREPARING THE SAME |
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