JP7026238B2 - 圧力感知層及び圧力感知層を含むデバイス - Google Patents
圧力感知層及び圧力感知層を含むデバイス Download PDFInfo
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- JP7026238B2 JP7026238B2 JP2020536619A JP2020536619A JP7026238B2 JP 7026238 B2 JP7026238 B2 JP 7026238B2 JP 2020536619 A JP2020536619 A JP 2020536619A JP 2020536619 A JP2020536619 A JP 2020536619A JP 7026238 B2 JP7026238 B2 JP 7026238B2
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- pressure
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- pressure sensing
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Description
a)シロキサンポリマーを含み、閉鎖細孔体積分率と、任意選択で開放細孔体積分率とを含む、多孔質マトリックス材料、及び、
b)前記多孔質マトリックス材料a)の前記閉鎖細孔体積分率中に実質的に存在する導電性又は半導電性フィラー、及び任意選択で、
c)1つ以上の追加の層。
Vs=Vc-Vr(Pe/(Pa-Pe))
- 典型的には5を超える、好ましくは10を超える、より好ましくは15を超える数平均アスペクト比;
- 典型的には、少なくとも50μm、好ましくは少なくとも100μm、より好ましくは少なくとも150μmの数平均長さ;及び
- 典型的には、25μm未満、好ましくは20μm未満、より好ましくは15μm未満の数平均直径。
ε=ε’-iε’’
ここで、ε’は誘電率の実部、ε’’は誘電率の虚部である。
a)圧力変動に応答して静電容量変化信号を提供する、少なくとも1つの、本発明による圧力感知層又は圧力感知デバイス、
b)電源、
c)圧力感知層によって提供される静電容量変化信号をアナログ又はデジタル電気信号に変換することが可能な少なくとも1つの信号変換ユニットであって、任意選択で信号用のフィルタ及びアンプを有する、少なくとも1つの信号変換ユニット、
d)信号変換ユニットc)によって提供されるアナログ信号をデジタル化すること、及び/又は少なくとも1つの信号変換ユニットc)とデジタル的に通信することが可能な少なくとも1つのマイクロコントローラユニットであって、少なくとも1つの信号変換ユニットc)から得た信号を、少なくとも1つの制御ユニット内に格納された好適なアルゴリズムを用いて、読み取り可能なコードとして他のフォーマットに変換することが可能な、少なくとも1つのマイクロコントローラユニット、
及び、任意選択的に、
e)マイクロコントローラユニットによって提供されたデータをデータ受信デバイスに伝送するための少なくとも1つのデータ伝送手段、及び/又は、
f)マイクロコントローラユニットd)、若しくは少なくとも1つのデータ伝送手段e)によって提供されたデータをユーザに通信する手段。
a)シロキサンポリマーを含み、閉鎖細孔体積分率と、任意選択で開放細孔体積分率とを含む、多孔質マトリックス材料、及び、
b)前記多孔質マトリックス材料a)の前記閉鎖細孔体積分率中に実質的に存在する導電性又は半導電性フィラー。
b)水に分散させた導電性フィラーと、任意選択で水中での導電性フィラーの分散を促進及び支援するための添加剤とを含む、第2の水相を準備するステップ、
c)撹拌下で、水相b)を非水相a)に添加してエマルジョンを調製するステップ、
d)ステップc)で得られた生成物を網状化するステップ、及び最後に、
e)ステップd)で得られた生成物を熱処理して水を除去するステップ。
5gのアラビアゴム(Sigma Aldrichから入手)と95gの脱イオン水を平底フラスコ内で混合することにより、5.0重量%のアラビアゴムを含む溶液を調製した。カーボンブラック粉末(導電性フィラー)を分散させるための界面活性剤として機能するアラビアゴムを均質に溶解させるために磁気撹拌を適用した。使用したカーボンブラックは、Alfa Aesarから購入した参照番号39724-カーボンブラックであり、受け入れたままの状態で使用した。
2 第1のセンサ
3 第2のセンサ
4 第3のセンサ
5 第4のセンサ
6 第3及び第4のセンサ用の接地
21、31 保護層
22、32 底部電極
23、33 圧力感知層
24、34 上部電極
25、35 封止材
401、501、601、701 圧力感知デバイス
402、502、602、702 電極
403、503、603、703 圧力感知層
404、504、604、704 保護層
405、505、605、705 圧力変化による静電容量変化
406、506、606、706 信号変換ユニット
407、507、607、707 データ伝送ユニット
408、508、608、708 マイクロコントローラユニット
409、509、609、709 電源
410、510、610、710 電子デバイス
411、511、611 スマートフォン
412、512、612、712 通信信号
413、513、614、713 データ伝送ユニット
414、514、614、714 患者認証手段
415、515、615、715 患者通知手段
416、516、616、716 データ分析手段
417、517、617 結果分析手段
418、518、618、718 データ格納手段
519、619、719 クラウド
520、620、720 インターネット接続
621、721 メモリ
722 表示デバイス
723 ゲートウェイ
724 ユーザインタフェース
Claims (24)
- a)シロキサンポリマーを含み、且つ閉鎖細孔体積分率を含む、多孔質マトリックス材料の第1の層、及び、
b)前記多孔質マトリックス材料の第1の層a)の前記閉鎖細孔体積分率中に存在する導電性又は半導電性フィラー、を含み、
c)1つ以上の追加の層を含んでいてもよいフィルムを含む、圧力感知層。 - 第1の層が開放細孔体積分率を含むか、又は閉鎖細孔体積が全細孔体積の100%をなす、請求項1に記載の圧力感知層。
- フィラーの量が、a)及びb)の全重量に基づいて、0.1~15重量%の範囲にある、請求項1又は2に記載の圧力感知層。
- シロキサンポリマーはポリジメチルシロキサン(PDMS)である、請求項1~3のいずれか一項に記載の圧力感知層。
- 導電性又は半導電性フィラーは、カーボンナノチューブ、カーボンナノホーン、グラファイト、グラフェン、及びカーボンブラックから選択される、請求項1~4のいずれか一項に記載の圧力感知層。
- 導電性又は半導電性フィラーは、銅、銀、金、及び亜鉛粒子からなる群から選択される金属粒子から選択される、請求項1~4のいずれか一項に記載の圧力感知層。
- 導電性又は半導電性フィラーは、固有導電性ポリマー(ICP)から選択される、請求項1~4のいずれか一項に記載の圧力感知層。
- 半導電性フィラーは、Si、Si-Ge、GaAs、InP、GaN、SiC、ZnS、ZnSe、CdSe、及びCdSからなる群から、又は金属酸化物粒子から選択される、請求項1~4のいずれか一項に記載の圧力感知層。
- 絶縁層である第2の層を備え、第2の層が第1の層に隣接する、請求項1~8のいずれか一項に記載の圧力感知層。
- 請求項1~9のいずれか一項に記載の圧力感知層でコーティングされた基材。
- 少なくとも1つの電極と、請求項1~9のいずれか一項に記載の少なくとも1つの圧力感知層とを含む、圧力感知デバイス。
- 圧力変動に応答して信号を提供する請求項11に記載の圧力感知デバイスであって、圧力変動は脈波事象である、圧力感知デバイス。
- a)圧力変動に応答して静電容量変化信号を提供する、少なくとも1つの、請求項1~9のいずれか一項に記載の圧力感知層又は請求項11若しくは12に記載の圧力感知デバイス、
b)電源、
c)圧力感知層によって提供される静電容量変化信号をアナログ又はデジタル電気信号に変換することが可能な少なくとも1つの信号変換ユニット、
d)信号変換ユニットc)によって提供されるアナログ信号をデジタル化すること、及び/又は少なくとも1つの信号変換ユニットc)とデジタル的に通信することが可能な少なくとも1つのマイクロコントローラユニットであって、少なくとも1つの信号変換ユニットc)から得た信号を、少なくとも1つの制御ユニット内に格納されたアルゴリズムを用いて、読み取り可能なコードとして他のフォーマットに変換することが可能な、少なくとも1つのマイクロコントローラユニット、を備え、
且つ、
e)マイクロコントローラユニットによって提供されたデータをデータ受信デバイスに伝送するための少なくとも1つのデータ伝送手段、及び/又は、
f)マイクロコントローラユニットd)、若しくは少なくとも1つのデータ伝送手段e)によって提供されたデータをユーザに通信する手段、を備えていてもよい、圧力感知モニタ。 - ウェアラブルデバイスである、請求項13に記載の圧力感知モニタ。
- a)シロキサンポリマーを含み、且つ閉鎖細孔体積分率を含む、多孔質マトリックス材料、及び、
b)前記多孔質マトリックス材料a)の前記閉鎖細孔体積分率中に存在する導電性又は半導電性フィラー、を含む、複合材料。 - 多孔質マトリックス材料が開放細孔体積分率を含むか、又は閉鎖細孔体積が全細孔体積の100%をなす、請求項15に記載の複合材料。
- フィラーの量が、複合材の全重量に基づいて、0.1~15重量%の範囲にある、請求項15又は16に記載の複合材料。
- シロキサンポリマーはポリジメチルシロキサン(PDMS)である、請求項15~17のいずれか一項に記載の複合材料。
- 導電性又は半導電性フィラーは、カーボンナノチューブ、カーボンナノホーン、グラファイト、グラフェン、カーボンブラックから、銅、銀、金、及び亜鉛粒子からなる群から選択される金属粒子から、固有導電性ポリマー(ICP)から、Si、Si-Ge、GaAs、InP、GaN、SiC、ZnS、ZnSe、CdSe、及びCdSからなる群から、若しくは金属酸化物粒子から選択される、請求項15~18のいずれか一項に記載の複合材料。
- 請求項15~19のいずれか一項に記載の複合材料を含むフィルム。
- 請求項20に記載のフィルムの第1の層と、第1の層に隣接する絶縁層である第2の層とを備える、多層システム。
- 圧力感知デバイスにおける、請求項15~19のいずれか一項に記載の複合材料の使用、又は請求項20に記載のフィルムの使用、又は請求項21に記載の多層システムの使用。
- 圧力感知デバイスは血圧感知デバイスである、請求項22に記載の使用。
- 請求項15~19のいずれか一項に記載の複合材料の製造のための方法であって、以下のステップ、
a)シロキサンポリマー前駆体、及び硬化剤を含む第1の非水相を準備するステップ、
b)水に分散させた導電性又は半導電性フィラーを含む第2の水相を準備するステップ、
c)撹拌下で、水相b)を非水相a)に添加してエマルジョンを調製するステップ、
d)ステップc)で得られた生成物を網状化するステップ、及び最後に、
e)ステップd)で得られた生成物を熱処理して水を除去するステップ、を含む方法。
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JP4961482B2 (ja) * | 2007-01-24 | 2012-06-27 | コンバテック・テクノロジーズ・インコーポレイテッド | 導電性表面を有するエラストマー粒子を備えた圧力センサを備えるセンサシステム |
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