JP2010503220A - 生物医学的応用に用いられる微細加工された移植可能な無線圧力センサーおよび圧力測定ならびにセンサー移植方法 - Google Patents
生物医学的応用に用いられる微細加工された移植可能な無線圧力センサーおよび圧力測定ならびにセンサー移植方法 Download PDFInfo
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- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
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Abstract
【選択図】 図2
Description
本出願は、米国特許法第119条に基づき、その内容が参照により本明細書にあたかも完全に記載されているように組み込まれる2006年8月29日に出願された米国仮出願第60/841,113号に対する優先権を主張する。
米国政府は、全米科学財団により授与された承認番号EEC-0310723に準拠した本発明の特定の権利を有している。
Claims (25)
- 微細加工された移植可能な圧力センサーの可変コンデンサーであって、
複数のチャネルを規定する基板と;
基板上の第1および第2の縁と、前記第1の縁および第2の縁の間に延び前記基板の上に持ち上げられた中央部分とを有し、前記基板と中央部分との間にチャンバーを規定する、柔軟性のある部材と;
前記柔軟性のある部材から間接的に延びる複数のコンデンサー要素であって、それぞれのチャネル内で前記柔軟性のある部材の外表面上の流圧の変化に応じて可動であり、静電容量が複数のコンデンサー要素と前記基板との重なり合う面積の変化に応じて変化するコンデンサー要素と、を含む可変コンデンサー。 - 前記中央部分が、前記中央部分の外表面上の流圧が内部チャンバー圧力を超える場合に、弛緩した形状から変形した形状へと変形可能であり、それによって複数のコンデンサー要素がそれぞれのチャネル内でより深く下がり、それによって重なり合う面積および静電容量が増加する、請求項1記載の可変コンデンサー。
- 前記中央部分が弾性的で、前記中央部分の外表面上の流圧が内部チャンバー圧力より小さい場合に、変形した形状から弛緩した形状に戻り、それによって複数のコンデンサー要素がそれぞれのチャネル内でより浅い深さへと持ち上がり、それによって重なり合う面積および静電容量が減少する、請求項1記載の可変コンデンサー。
- 前記柔軟性のある部材がポリマーからなる、請求項1記載の可変コンデンサー。
- 前記複数のチャネルが第1の櫛形構造を規定し、前記複数のコンデンサー要素が第2の櫛形構造を規定する、請求項1記載の可変コンデンサー。
- 前記中央部分の柔軟性が前記中央部分の幅にわたって変化し、ここで、前記中央部分の非線形変形により、前記複数のコンデンサー要素がそれぞれのチャネル内で前記基板の上面により規定される平面と垂直な方向に動く、請求項1記載の可変コンデンサー。
- 前記複数のコンデンサー要素を備えたクロスバーと;前記柔軟性のある部材および前記クロスバーの間に延びる中間部材とを更に含む、請求項1記載の可変コンデンサー。
- 前記チャンバーが、前記柔軟性のある部材、前記クロスバーおよび前記中間部材により規定される、請求項7記載の可変コンデンサー。
- 前記中間部材および1つ以上のコンデンサー要素が共通の垂直面内に存在し、そして、1つ以上のコンデンサー要素が、前記中間部材により規定される垂直平面と離れてかつ平行である垂直平面内に存在する、請求項7記載の可変コンデンサー。
- 微細加工された移植可能な圧力センサーであって、
複数のチャネルを規定する基板と、基板に設けられた第1の縁および第2の縁並びに前記第1の縁および第2の縁の間に延びる中央部分を備えた柔軟性のある部材とを具え、前記中央部分は前記基板の上に持ち上がっており、チャンバーが前記基板および前記中央部分の間に規定されており、前記柔軟性のある部材から間接的に延びる複数のコンデンサー要素を含む可変コンデンサーを具え、前記複数のコンデンサー要素は前記柔軟性のある部材の外表面上の流圧の変化に応じてそれぞれのチャネル内で可動であり、静電容量は前記複数のコンデンサー要素および前記基板の重なりあう面積の変化に応じて変化し;さらに
前記可変コンデンサーと電気的に接続されたインダクターを含み、
前記可変コンデンサーおよび前記インダクターを含む電気回路が、前記柔軟性のある部材の外表面上の流圧の変化に応じて、検出可能な共振周波数シフトを生成するように構成されている、圧力センサー。 - 前記可変コンデンサーおよび前記インダクターが、約1−50mmHGの範囲の流圧内で約1mmHgの感度で流圧変化を検出するように構成されている、請求項10記載の圧力センサー。
- 前記インダクターが固定のインダクタンスを有する、請求項10記載の圧力センサー。
- 前記インダクターが、前記可変コンデンサーの周りに位置する積み重なったインダクター要素を含み、前記積み重なったインダクター要素はポリマー材料により互いに分離されている、請求項12記載の圧力センサー。
- 前記インダクターが、前記基板全体にわたって延びている金属元素を含む、請求項12記載の圧力センサー。
- 前記インダクターが、前記可変コンデンサーの周りに位置するリング状インダクター要素を含む、請求項12記載の圧力センサー。
- 前記可変コンデンサーおよび前記インダクターが、ニードルを介する眼内移植用に構成されている、請求項12記載の圧力センサー。
- 前記可変コンデンサーが、前記ニードル内に位置する場合は圧縮された形状をとり、かつ前記ニードルから展開された場合は前記圧縮された形状とは異なる拡大された形状をとることが可能である、請求項16記載の圧力センサー。
- 微細加工された移植可能な圧力センサーであって、
基板と;
前記基板の上に配置された柔軟性のある部材と、前記基板と前記柔軟性のある部材の間に規定されるチャンバーと;
可変コンデンサーと;
前記可変コンデンサーと電気的に接続された可変インダクターとを具え、
前記柔軟性のある部材が前記可変コンデンサーの部品および前記可変インダクターの部品を担持し、前記柔軟性のある部材が前記柔軟性のある部材の外表面上の流圧変化に応じて可動であり、静電容量およびインダクタンスを変化させる、圧力センサー。 - 前記柔軟性のある部材が、前記柔軟性のある部材の外表面上の流圧が内部チャンバー圧力を超える場合に、弛緩した形状から変形した形状に変形可能であり、これにより前記柔軟性のある部材を下げて静電容量およびインダクタンスを減少させる、請求項18記載の可変コンデンサー。
- 前記中央部分が弾性的で、前記柔軟性のある部材の外表面上の流圧が内部チャンバー圧力より小さい場合に、変形した形状から弛緩した形状へと戻り、これにより前記柔軟性のある部材が持ち上がり静電容量およびインダクタンスが増大する、請求項18記載の可変コンデンサー。
- 患者の眼内の治療部位に眼内圧力センサーを移植する方法であって、
ニードルを前記眼に挿入するステップと;
前記ニードルを介して可変コンデンサーおよびインダクターを備えた眼内圧力センサーを送達するステップと;
前記眼内の前記治療部位で前記ニードルから展開される前記眼内圧力センサーを移植するステップと、を含む方法。 - 前記圧力センサーの移植が縫合なしに行われる、請求項21記載の方法。
- 前記インダクターが、前記ニードルを介した前記眼内圧力センサーの送達の間圧縮された形状または巻かれた形状を有し、前記眼内圧力センサーが前記ニードルから展開された後拡大された形状を有する、請求項21記載の方法。
- 前記ニードルが20−25ゲージニードルである、請求項21記載の方法。
- 眼内圧を測定する方法であって、
外部機器を用いて信号を発生させるステップと;
前記発生させた信号により、眼内に移植された圧力センサーに通電するステップとを具え、前記圧力センサーは、インダクター並びに柔軟性のある部材および前記柔軟性のある部材から間接的に延びかつ前記柔軟性のある部材上の流圧の変化に応じて基板内で規定されるチャネル内で可動であるコンデンサー要素を有した可変コンデンサーを具え、静電容量が前記複数のコンデンサー要素および前記基板の重なりある面積の変化に応じて変化し;
前記外部機器により発生させた信号と前記圧力センサーの間の相互作用を測定するステップと;
前記測定された相互作用に基づく眼内圧を決定するステップとを具える方法。
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US84111306P | 2006-08-29 | 2006-08-29 | |
US60/841,113 | 2006-08-29 | ||
PCT/US2007/077156 WO2008027996A2 (en) | 2006-08-29 | 2007-08-29 | Microfabricated implantable wireless pressure sensor for use in biomedical applications and pressure measurement and sensor implantation methods |
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US8336387B2 (en) | 2012-12-25 |
JP5307008B2 (ja) | 2013-10-02 |
EP2786701A3 (en) | 2014-11-05 |
US20130137958A1 (en) | 2013-05-30 |
US8549925B2 (en) | 2013-10-08 |
ES2565987T3 (es) | 2016-04-08 |
EP2056708B1 (en) | 2014-07-16 |
US7900518B2 (en) | 2011-03-08 |
WO2008027996A2 (en) | 2008-03-06 |
MX2009002193A (es) | 2009-04-28 |
WO2008027996A3 (en) | 2008-10-09 |
US20100294041A1 (en) | 2010-11-25 |
EP2056708A4 (en) | 2013-04-03 |
EP2786701B1 (en) | 2015-12-23 |
US20080058632A1 (en) | 2008-03-06 |
EP2056708A2 (en) | 2009-05-13 |
EP2786701A2 (en) | 2014-10-08 |
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