JP5367579B2 - 脳波計測のための乾式電極帽 - Google Patents
脳波計測のための乾式電極帽 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
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Description
Y字形状のグループ保持手段によると、球面ジョイントが許す限りにおいてY字のそれぞれの枝が独立に頭皮に接触できる。
Claims (24)
- 脳波計測において頭皮に接触するための電極帽であって、当該電極帽は、頭皮に接触するためのピン形状の複数の電極と、電極保持手段と、を備え、
前記複数の電極は、少なくともひとつの弾性的なジョイントを介して前記電極保持手段に取り付けられ、
前記複数の電極は、ひとつ以上のグループに分けられ、
各グループの電極は共通のグループ保持手段に取り付けられ、
前記グループ保持手段はそれぞれ、少なくともひとつの弾性的なジョイントを介して前記電極保持手段に取り付けられ、
当該弾性的なジョイントは、セミリジッド球面ジョイントもしくは仮想ボールジョイントであり、
前記セミリジッド球面ジョイントもしくは仮想ボールジョイントは、当該グループの電極の長さ方向と平行な第1の軸の回りでねじり剛性KSで可動とされ、かつ/または、その電極の長さ方向と直交する少なくともひとつの軸の回りでねじり剛性KTで可動とされることを特徴とする電極帽。 - 前記電極保持手段は、前記電極帽を頭部に固定する頭部固定手段を含むことを特徴とする請求項1に記載の電極帽。
- 前記頭部固定手段は、ヘッドストラップを含むことを特徴とする請求項2に記載の電極帽。
- 前記電極保持手段は保持アームを含み、
前記保持アームの一端は前記頭部固定手段に固定され、他端は直接的にもしくは間接的に少なくともいくつかの前記電極もしくは電極の少なくともひとつのグループを担持することを特徴とする請求項2または3に記載の電極帽。 - 前記保持アームは、別の弾性的なジョイントを介して一列に互いに接続される第1の脚部および第2の脚部を含み、
前記第1の脚部は、前記別の弾性的なジョイントから離れた端部において前記頭部固定手段に固定され、前記別の弾性的なジョイントによって前記第2の脚部と接続され、
前記第2の脚部は、少なくともいくつかの前記電極もしくは電極の少なくともひとつのグループを担持することを特徴とする請求項4に記載の電極帽。 - 前記第1の脚部および前記第2の脚部は、頭部に向けて開いた角度で互いに接続されることを特徴とする請求項5に記載の電極帽。
- 前記別の弾性的なジョイントは、その回転軸が前記第1の脚部の長さ方向と垂直でありかつ頭部に対する接線方向となる回転ジョイント、もしくはその回転軸が前記第1の脚部の長さ方向と垂直でありかつ頭部に対する接線方向となるピボットジョイントであることを特徴とする請求項5または6に記載の電極帽。
- 前記電極保持手段は、前記第1の脚部と前記第2の脚部とを接続する少なくともひとつの弾性ひもまたはねじりバネもしくはその両方を含み、
前記少なくともひとつの弾性ひもまたはねじりバネもしくはその両方によって、前記第1の脚部と前記第2の脚部とを接続する前記別の弾性的なジョイントの回りに曲げモーメントを印加可能であることを特徴とする請求項5から7のいずれかに記載の電極帽。 - 前記別の弾性的なジョイントは直動ジョイントであり、
前記直動ジョイントは、頭部に向けて可動とされることを特徴とする請求項5から8のいずれかに記載の電極帽。 - 前記電極保持手段は、少なくともひとつの弾性要素もしくはバネを含み、
前記少なくともひとつの弾性要素もしくはバネは、前記第1の脚部と前記第2の脚部とを接続し、
前記第1の脚部および前記第2の脚部は、直動ジョイントを介して互いに接続され、
前記少なくともひとつの弾性要素もしくはバネは、前記直動ジョイントが可動とされる方向に伸縮することを特徴とする請求項9に記載の電極帽。 - 前記電極保持手段は、前記第1の脚部と前記第2の脚部とを接続する少なくともひとつの弾性ひもを含み、
前第1の脚部および前記第2の脚部は、直動ジョイントを介して互いに接続され、
前記少なくともひとつの弾性ひもによって、前記直動ジョイントが可動とされる方向に力を印加可能であることを特徴とする請求項10に記載の電極帽。 - KTはKSよりも大きいことを特徴とする請求項1から11のいずれかに記載の電極帽。
- 少なくともひとつのグループの電極は、少なくともふたつの束に分けられることを特徴とする請求項1から12のいずれかに記載の電極帽。
- あるグループの電極は3つの束に分けられ、その3つの束は三角形の頂点にそれぞれ配置されることを特徴とする請求項1から13のいずれかに記載の電極帽。
- 前記グループ保持手段はY字構造を有し、
それにより、前記3つの束は前記Y字構造の脚の端部にそれぞれ配置されることを特徴とする請求項14に記載の電極帽。 - それぞれの束は、三角形の頂点にそれぞれ配置される3つの電極を有することを特徴とする請求項13から15のいずれかに記載の電極帽。
- ひとつの束の電極またはひとつのグループの電極または全ての電極のうちの少なくともひとつの電極は、それぞれ別個にガイド部材によってガイドされ弾性要素によって対応する前記グループ保持手段に対して支持され、
前記ガイド部材は、その長さ方向に沿って電極をガイドし、
前記弾性要素は、その長さ方向に弾性的であることを特徴とする請求項1から16のいずれかに記載の電極帽。 - 前記弾性要素はバネであり、
前記バネの一端は対応する前記グループ保持手段に固定され、他端は対応する電極と接することを特徴とする請求項17に記載の電極帽。 - 前記複数の電極は、可動部かつ/またはバネかつ/または前記複数の電極が仮想的に圧縮可能であることによって、対応する前記グループ保持手段に対して弾性的に支持されることを特徴とする請求項1から18のいずれかに記載の電極帽。
- 全ての電極もしくは少なくともひとつのグループの全ての電極もしくは少なくともひとつの束の全ての電極は、互いに電気的に接続されていることを特徴とする請求項1から19のいずれかに記載の電極帽。
- 前記電極もしくはそれぞれのグループの電極もしくはそれぞれの束の電極はふたつの部分に分けられ、
それぞれの部分の電極は互いに電気的に接続され、
前記ふたつの部分の間に電圧を印加できることを特徴とする請求項1から19のいずれかに記載の電極帽。 - 前記複数の電極は、高導電性の材料によって覆われているかもしくはメッキされていることを特徴とする請求項1から21のいずれかに記載の電極帽。
- 前記複数の電極は、金、白金、銀、塩化銀、貴金属、合金もしくは導電性のナノ粒子によって覆われているかもしくはメッキされていることを特徴とする請求項1から22のいずれかに記載の電極帽。
- 脳波計測において頭皮に接触する方法であって、
請求項1から23のいずれかに記載の電極帽の電極を頭皮に接触させることを含む、方法。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2006/011843 WO2008067839A1 (en) | 2006-12-08 | 2006-12-08 | Dry electrode cap for electro-encephalography |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010511444A JP2010511444A (ja) | 2010-04-15 |
| JP5367579B2 true JP5367579B2 (ja) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2009539609A Expired - Fee Related JP5367579B2 (ja) | 2006-12-08 | 2006-12-08 | 脳波計測のための乾式電極帽 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8548554B2 (ja) |
| EP (1) | EP2101640B1 (ja) |
| JP (1) | JP5367579B2 (ja) |
| ES (1) | ES2409734T3 (ja) |
| WO (1) | WO2008067839A1 (ja) |
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| EP2101640B1 (en) | 2013-05-01 |
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