JP7403854B2 - 磁気共鳴環境用の神経モニタリングケーブル - Google Patents
磁気共鳴環境用の神経モニタリングケーブル Download PDFInfo
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Description
当技術分野における先行技術を調査すると、米国特許第7,945,322号明細書、米国特許第8,116,862号明細書、米国特許第8,180,448号明細書、米国特許第8,200,328号明細書、米国特許第8,301,243号明細書、米国特許第8,311,628号明細書、米国特許第8,463,375号明細書、米国特許第8,649,857号明細書、及び米国特許第9,061,139号明細書を含む多くの米国登録特許が既に存在することが分かり、これらはすべて、同じ発明者ら(Stevensonら)によるものであり、特定の望ましくない周波数を遮断するために、タンク回路を用いて埋込可能装置を作製するという同じ目的を有する。
Claims (14)
- 磁気共鳴環境用の神経モニタリング装置であって、
神経の電気信号をモニタリングするように構成された神経電極と、
増幅器に取り付ける働きをするコネクタと、
第1の端部及び第2の端部を有するケーブルと、を備え、
前記ケーブルの前記第1の端部が前記神経電極に電気的に接続され、前記ケーブルの前記第2の端部が前記コネクタに電気的に接続され、
前記ケーブルが、リードワイヤを含まない無線周波数のインラインフィルタモジュールを含み、前記インラインフィルタモジュールが、小型の表面実装構成要素で構成され、前記表面実装構成要素が、複数の抵抗器、及び前記複数の抵抗器と直列状態にあり、前記複数の抵抗器と交互に配置された複数のインダクタを含み、コンデンサを含まない、装置。 - 前記複数のインダクタがN個のインダクタであり、前記複数の抵抗器がN+1個の抵抗器である、請求項1に記載の装置。
- 前記複数の抵抗器のうちの1つの抵抗器が、前記複数の抵抗器のうちの別の抵抗器と同じ抵抗を有する、請求項1に記載の装置。
- 前記複数のインダクタのうちの1つのインダクタが、前記複数のインダクタのうちの別のインダクタと同じインダクタンスを有する、請求項1に記載の装置。
- 前記複数のインダクタが、1マイクロヘンリーと2マイクロヘンリーとの間の総インダクタンスを有する、請求項1に記載の装置。
- 前記複数のインダクタが、1370ナノヘンリーと1800ナノヘンリーとの間の総インダクタンスを有する、請求項1に記載の装置。
- 前記複数の抵抗器が、1オームと1000オームとの間の総抵抗を有する、請求項1に記載の装置。
- 前記複数の抵抗器が、10オームと60オームとの間の総抵抗を有する、請求項7に記載の装置。
- 前記インラインフィルタモジュールが第1の端部及び第2の端部を有し、前記インラインフィルタモジュールの前記第1の端部が第1の接点を含み、前記インラインフィルタモジュールの前記第2の端部が第2の接点を含む、請求項1に記載の装置。
- 前記第1の接点及び前記第2の接点が非磁性である、請求項9に記載の装置。
- 前記インラインフィルタモジュールが、非導電性ポリマーから作製された外層又はハウジングを有する、請求項1に記載の装置。
- 前記非導電性ポリマーが、エポキシ、シリコーンゴム、ポリ塩化ビニル、ポリエチレン及びポリプロピレンから構成される群より選択される、請求項11に記載の装置。
- 前記インラインフィルタモジュールが、複数の抵抗器と、前記抵抗器で始端し、かつ終端する電気的に直列関係に前記抵抗器と交互に配置された複数のインダクタと、を含む、請求項1に記載の装置。
- 前記複数の抵抗器及び前記複数のインダクタの数、構成要素値、及び配置が、磁気共鳴処置中に前記ケーブル内の抵抗加熱を低減し、かつ分散させ、それによって抵抗加熱を最小限に抑えるように選択される、請求項1に記載の装置。
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Application Number | Priority Date | Filing Date | Title |
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US201962793173P | 2019-01-16 | 2019-01-16 | |
US62/793,173 | 2019-01-16 | ||
PCT/US2020/013514 WO2020150241A1 (en) | 2019-01-16 | 2020-01-14 | Neurological monitoring cable for magnetic resonance environments |
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JP2022518432A JP2022518432A (ja) | 2022-03-15 |
JP7403854B2 true JP7403854B2 (ja) | 2023-12-25 |
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US (2) | US11160483B2 (ja) |
EP (1) | EP3911224A4 (ja) |
JP (1) | JP7403854B2 (ja) |
KR (1) | KR20210121085A (ja) |
CN (1) | CN113573629B (ja) |
AU (1) | AU2020209726B2 (ja) |
BR (1) | BR112021013916A2 (ja) |
CA (1) | CA3126394A1 (ja) |
IL (1) | IL284660B1 (ja) |
MX (1) | MX2021008370A (ja) |
WO (1) | WO2020150241A1 (ja) |
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WO2024024397A1 (ja) * | 2022-07-28 | 2024-02-01 | 日置電機株式会社 | 減衰器及び測定装置 |
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US10170874B1 (en) | 2017-09-14 | 2019-01-01 | Te Connectivity Corporation | Cable assembly having a substrate with multiple passive filtering devices between two sections of the cable assembly |
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EP0428907B1 (en) * | 1989-10-26 | 1995-08-16 | Takeshi Ikeda | LC Noise filter |
US5217010A (en) * | 1991-05-28 | 1993-06-08 | The Johns Hopkins University | Ecg amplifier and cardiac pacemaker for use during magnetic resonance imaging |
US5445162A (en) * | 1993-08-27 | 1995-08-29 | Beth Israel Hospital Association | Apparatus and method for recording an electroencephalogram during magnetic resonance imaging |
WO1999005893A1 (en) * | 1997-07-23 | 1999-02-04 | Siao, Susan | Electronic ballast system |
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AU2020209726A1 (en) | 2021-09-09 |
EP3911224A1 (en) | 2021-11-24 |
AU2020209726B2 (en) | 2023-01-19 |
WO2020150241A1 (en) | 2020-07-23 |
BR112021013916A2 (pt) | 2021-09-21 |
JP2022518432A (ja) | 2022-03-15 |
CN113573629B (zh) | 2024-04-09 |
MX2021008370A (es) | 2021-09-21 |
US20210000372A1 (en) | 2021-01-07 |
US11160483B2 (en) | 2021-11-02 |
IL284660B1 (en) | 2024-05-01 |
IL284660A (en) | 2021-08-31 |
CN113573629A (zh) | 2021-10-29 |
KR20210121085A (ko) | 2021-10-07 |
EP3911224A4 (en) | 2022-09-28 |
CA3126394A1 (en) | 2020-07-23 |
US20220079493A1 (en) | 2022-03-17 |
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