JP6032444B2 - 非侵襲的にグルコースを測定するためのデバイス - Google Patents
非侵襲的にグルコースを測定するためのデバイス Download PDFInfo
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- JP6032444B2 JP6032444B2 JP2014140085A JP2014140085A JP6032444B2 JP 6032444 B2 JP6032444 B2 JP 6032444B2 JP 2014140085 A JP2014140085 A JP 2014140085A JP 2014140085 A JP2014140085 A JP 2014140085A JP 6032444 B2 JP6032444 B2 JP 6032444B2
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- glucose
- tissue
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Classifications
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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
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
-
- 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
- A61B5/6815—Ear
- A61B5/6816—Ear lobe
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Optics & Photonics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Description
a:非侵襲的(NI)グルコースモニタ作業により、SMBGの費用を抑え、検査の頻度を有意に増やすことができる。NI法における主な注目すべき点は、直接的な血液または間質液の測定が行なわれないにも関わらず、高い精度結果を達成することである。
この場合t0およびtfは、加熱工程の開始時間と終了時間であり、TearおよびTambは、組織温度と周辺温度であり、これによりkは、温度補正率である。
V=(fxd)2π/Δφ (式2)
この場合fは、周波数(Hz)で、Δφは、位相のずれ(ラジアン)であり、dは、センサのピエゾ素子間の距離(m)である。
測定された増幅後の位相のずれに対して行なわれ(図8)、この場合phase_shift_corは、温度が補正された増幅後の位相のずれであり、G2は補正率であり、Tambは周辺温度で、Tearは、耳たぶの表面温度である。補正の符号は、周波数による位相のずれの変化の方向に左右される。
(式4)
この場合、Electromagnetic_signal_corは、温度が補正された電磁信号(自己発振周波数)であり、Dは補正率であり、Tambは周辺温度であり、Tearは耳たぶの表面温度である。
(式5)
この場合EMminおよびEMmaxは、それに応じた最小および最大の電磁信号閾値であり、EMiは、作動周波数範囲にある電磁信号であり、EMjは、隣の周波数範囲にある電磁信号である。
12 外付けユニット
14 イヤークリップ
16 耳たぶ
18 ヒータ
20 熱伝導体
22 熱センサ
24 イヤークリップの先端
26 イヤークリップの耳
34 送信機
36 受信機
38、40 膜
42 集積回路基板
44 磁石
46 磁場測定センサ
52 周辺温度センサ
50 調節ねじ
54、56 接着材
58 金属膜
60 プリント回路基板
64 コーティング
Claims (6)
- 被験者のグルコースレベルを非侵襲的に測定するためのデバイスであって、
筐体と、前記筐体の対向する部分に位置が特定され、前記デバイスを装着することができる被験者の体の特定の部分を取り囲む一対の蓄電板を備え、前記蓄電板に自動発振手段が接続され、
組織のインピーダンス信号を測定し、組織のインピーダンス信号に基づいてグルコースレベルを計算する処理手段と、前記処理手段に前記組織のインピーダンス信号を伝えるための手段を備え、
前記筐体の対向する部分に位置が特定され、前記デバイスを装着することができる被験者の体の前記部分を取り囲む一対の超音波ピエゾ素子と、前記筐体の対向する部分の距離を測定するための手段を備え、
前記距離を測定するための手段は磁石と磁場測定センサで構成されることを特徴とするデバイス。 - 前記蓄電板が膜を備える、請求項1に記載のデバイス。
- 前記膜が前記超音波ピエゾ素子を覆う、請求項2に記載のデバイス。
- 前記超音波ピエゾ素子により連続する超音波を送信し、送信波と受信波の位相のずれを検出する手段と、前記処理手段に前記位相のずれを伝えるための手段を備え、前記処理手段が前記位相のずれに基づいてグルコースレベルを計算する、請求項1に記載のデバイス。
- 前記デバイス上に位置が特定されるヒータおよび熱センサが並置される、請求項1に記載のデバイス。
- 熱伝達特性をグルコースレベルを計算する前記処理手段に伝えるための手段をさらに備える、請求項5に記載のデバイス。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US32834410P | 2010-04-27 | 2010-04-27 | |
US61/328,344 | 2010-04-27 | ||
US13/090,535 | 2011-04-20 | ||
US13/090,535 US8235897B2 (en) | 2010-04-27 | 2011-04-20 | Device for non-invasively measuring glucose |
Related Parent Applications (1)
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JP2013506806A Division JP5585801B2 (ja) | 2010-04-27 | 2011-04-26 | 非侵襲的にグルコースを測定するためのデバイス |
Publications (2)
Publication Number | Publication Date |
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JP2014208288A JP2014208288A (ja) | 2014-11-06 |
JP6032444B2 true JP6032444B2 (ja) | 2016-11-30 |
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JP2013506806A Expired - Fee Related JP5585801B2 (ja) | 2010-04-27 | 2011-04-26 | 非侵襲的にグルコースを測定するためのデバイス |
JP2014140085A Expired - Fee Related JP6032444B2 (ja) | 2010-04-27 | 2014-07-07 | 非侵襲的にグルコースを測定するためのデバイス |
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JP2013506806A Expired - Fee Related JP5585801B2 (ja) | 2010-04-27 | 2011-04-26 | 非侵襲的にグルコースを測定するためのデバイス |
Country Status (16)
Country | Link |
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US (2) | US8235897B2 (ja) |
EP (3) | EP2563222B1 (ja) |
JP (2) | JP5585801B2 (ja) |
KR (3) | KR101754941B1 (ja) |
CN (3) | CN107252307B (ja) |
AU (1) | AU2011246910B2 (ja) |
BR (1) | BR112012027711B1 (ja) |
CA (1) | CA2797623C (ja) |
CL (1) | CL2012002959A1 (ja) |
ES (2) | ES2531318T3 (ja) |
HK (3) | HK1180204A1 (ja) |
IL (1) | IL222463B (ja) |
RU (2) | RU2532498C2 (ja) |
TW (1) | TWI587842B (ja) |
WO (1) | WO2011135562A2 (ja) |
ZA (1) | ZA201207766B (ja) |
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