JP4495975B2 - リバースイオントフォレーシスによって血中尿素濃度を測定する方法 - Google Patents
リバースイオントフォレーシスによって血中尿素濃度を測定する方法 Download PDFInfo
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- JP4495975B2 JP4495975B2 JP2003581841A JP2003581841A JP4495975B2 JP 4495975 B2 JP4495975 B2 JP 4495975B2 JP 2003581841 A JP2003581841 A JP 2003581841A JP 2003581841 A JP2003581841 A JP 2003581841A JP 4495975 B2 JP4495975 B2 JP 4495975B2
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000004202 carbamide Substances 0.000 title claims abstract description 52
- 239000008280 blood Substances 0.000 title claims abstract description 38
- 210000004369 blood Anatomy 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title abstract description 11
- 108010046334 Urease Proteins 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 5
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 2
- 210000000245 forearm Anatomy 0.000 claims description 2
- 238000001631 haemodialysis Methods 0.000 claims description 2
- 230000000322 hemodialysis Effects 0.000 claims description 2
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 16
- 239000008103 glucose Substances 0.000 description 16
- 238000002474 experimental method Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 208000031220 Hemophilia Diseases 0.000 description 2
- 208000009292 Hemophilia A Diseases 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 238000005370 electroosmosis Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 229960005489 paracetamol Drugs 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000037157 Azotemia Diseases 0.000 description 1
- 206010053567 Coagulopathies Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010067584 Type 1 diabetes mellitus Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000015294 blood coagulation disease Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000009852 coagulant defect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000008085 renal dysfunction Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 208000009852 uremia Diseases 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B5/14539—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 pH
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/20—Applying electric currents by contact electrodes continuous direct currents
- A61N1/30—Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Description
1−Tierney M. J, Tamada J. A., Potts R. O., Jovanovic L, Garg S.,「グルコウォッチ(バイオグラファーの臨床評価:糖尿病患者のための継続的、非侵襲的グルコースモニター」(Clinical evaluation of the GlucoWatch( biographer: a continual, non-invasive glucose monitor for patients with diabetes,)Biosensors & Bioelectronics 16 (2001) 621-629.
2−Brunner, G. A., Ellmerer, M., Sendlhofer, G.,ら、1998.「臨床的及び分析的アプローチに関する家庭用血糖値測定器の有効性」(Validation of home blood glucose meters with respect to clinical and analytical approaches.)Diab. Care 21 (4), 585-590.
3−Cambiaso, A., Delfino, L., Grattarola, M., Verreschi, G., Ashworth, D., Maines, A.,ら、1996.「拡散制限グルコースバイオセンサーのモデリングとシミュレーション」(Modelling and simulation of a diffusion limited glucose biosensor.)Sens. Act. B. 33,203-207.
4−Tierney, M. J., Tamada, J. A., Potts, R. O.,ら、2000.「グルコウォッチバイオグラファー:頻回、自動及び非侵襲的グルコースモニター」(The Gluco-Watch biographer: a frequent, automatic, and noninvasive glucose monitor.)Ann. Med. 32, 632-641.
5−Zhang, Y., Hu, Y., Wilson, G. W., Moatti-Sirat, D., Poitout, V., Reach, G., 1994.「移植可能なグルコースセンサーにおけるアセトアミノフェン干渉の排除」(Elimination of the acetaminophen interference in an implantable glucose sensor.)Anal. Chem. 66, 1183-1188.
6−Clarke, W. L., Cox, D., Gonder-Frederick, L. A., Carter, W., Pohl, S. L., 1987.「血糖値のセルフモニタリング用システムの臨床的精度評価」(Evaluating clinical accuracy of systems for self-monitoring of blood glucose.)Diab. Care 10 (5), 622-628.
Deming, W. E., 1943.「データの統計的調整」(Statistical Adjustment of Data.)Wiley, New York.
7−Garg, S. K., Potts, R. O., Ackerman, N. R., Fermi, S. J., Tamada, J. A., Chase, H. P., 1999.「I型糖尿病を伴う若い被験者における指先穿刺による血糖値測定とグルコウォッチバイオグラファーによるグルコース結果との相関性」(Correlation of fingerstick blood glucose measurements with GlucoWatch biographer glucose results in young subjects with type 1 diabetes.)Diab. Care 22, 1708-1714.
8−Ginsberg, B. H., 1992.「最小侵襲技術の概説」(An overview of minimally invasive technologies.)Clin. Chem. 38, 1596-1600.
9−Kilpatrick, E. S., McLeod, M. J., Rumley, A. G., Small, M., 1994.「ワンタッチIIとグルコメーターII血糖値測定器の病棟比較」(A ward comparison between the One Touch II and Glucometer II blood glucose meters.)Diab. Med. 11, 214-217.
10−Kurnik, R. T., Oliver, J. J., Waterhouse, S. R., Dunn, T., Jayalakshmi, Y., Lesho, M.,ら、1999.「非侵襲的グルコースモニタリングシステムにおけるシグナルプロセシングのための混合エキスパートアルゴリズムの応用」(Application of the mixtures of experts algorithm for signal processing in a noninvasive glucose monitoring system.)Sens. Act. B. 60, 1-8.
Claims (6)
- 定常直流電流電源と、所定の接触領域からヒト血中尿素濃度のみを決定あるいは予想する最適条件と、を用いるリバースイオントフォレーシスの新たな応用に関連する装置であって、
皮膚(7)の上に配置したアノードAg電極(6)と、
皮膚との接触領域が12.5cm2である容器(3)であって10mlの等張生理食塩水とカソードAgCl電極(4)とを含み前腕の皮膚(7)上に配置される容器(3)と、
1000μA(1)で動作する直流定常電流電源(1)であってアノード電極(6)とカソード電極(4)に5分間接続されてアノード電極(6)、カソード電極(4)間に電気回路を構成し、これによって尿素分子を血液から容器へ受動拡散の場合よりも非常に大規模且つ速く、所定の濃度速度で移行せしめる電源(1)と、
溶液の漏出から保護すると共に尿素を透過させる膜と、
尿素量をウレアーゼ含有溶液のpH変化によって決定して血中尿素濃度を予想する手段を備える装置。 - 溶液に代え、採取媒体含有ゲルを使用することを特徴とする請求項1に記載の装置。
- 血中の尿素濃度決定のためにソフトウェア制御マイクロコンピュータが提供されていることを特徴とする請求項1又は2記載の装置。
- アノード電極(6)、溶液(5)とカソード電極(4)とを含む容器(3)、及び電源(1)は、アームウォッチ型装置として製作されるものであることを特徴とする請求項1〜3のいずれか1項記載の装置。
- 膜が血液透析膜であることを特徴とする請求項1〜4のいずれか1項記載の装置。
- 前記尿素量をウレアーゼ含有溶液のpH変化によって決定して血中尿素濃度を予想する手段に代えて、尿素濃度を皮膚の電気的性質の変化によって決定して血中尿素濃度を予想する手段を含む請求項1〜5のいずれか1項記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TR2002/00942A TR200200942A2 (tr) | 2002-04-08 | 2002-04-08 | Üre ölçer/üre saati:insan kanındaki ürenin ters iyontoforez ile, kan veya biyolojik örnek alınmadan tespiti. |
PCT/TR2003/000032 WO2003084604A1 (en) | 2002-04-08 | 2003-04-08 | Method for measuring blood urea level by reverse iontophoresis |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005522246A JP2005522246A (ja) | 2005-07-28 |
JP4495975B2 true JP4495975B2 (ja) | 2010-07-07 |
Family
ID=28787364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003581841A Expired - Fee Related JP4495975B2 (ja) | 2002-04-08 | 2003-04-08 | リバースイオントフォレーシスによって血中尿素濃度を測定する方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7231242B2 (ja) |
EP (1) | EP1526891B1 (ja) |
JP (1) | JP4495975B2 (ja) |
CN (1) | CN100431641C (ja) |
AT (1) | ATE480296T1 (ja) |
AU (1) | AU2003224595A1 (ja) |
DE (1) | DE60334106D1 (ja) |
RU (1) | RU2373969C2 (ja) |
TR (1) | TR200200942A2 (ja) |
WO (1) | WO2003084604A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6824246B2 (en) * | 2002-11-23 | 2004-11-30 | Kia Silverbrook | Thermal ink jet with thin nozzle plate |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57150433A (en) * | 1981-03-12 | 1982-09-17 | Kuraray Co Ltd | Carrier for immobilizing physiologically active material and selective adsorbent, selective electrode and analytical column using said carrier |
US4622031A (en) * | 1983-08-18 | 1986-11-11 | Drug Delivery Systems Inc. | Indicator for electrophoretic transcutaneous drug delivery device |
JPS59191638U (ja) * | 1983-06-07 | 1984-12-19 | 株式会社 堀場製作所 | 微量サンプル測定装置 |
US5591123A (en) * | 1983-08-18 | 1997-01-07 | Drug Delivery Systems Inc. | Programmable control mounting system for transdermal drug applicator |
EP0225872B1 (en) * | 1985-06-10 | 1992-09-02 | Drug Delivery Systems Inc. | Programmable control and mounting system for transdermal drug applicator |
KR970011449B1 (ko) * | 1988-01-29 | 1997-07-11 | 더 리전트 오브 디 유니버시티 오브 캘리포니아 | 이온전기 영동형 비침입 검체 채취 또는 이송 장치 및 방법 |
US5006108A (en) * | 1988-11-16 | 1991-04-09 | Noven Pharmaceuticals, Inc. | Apparatus for iontophoretic drug delivery |
CN1089153A (zh) * | 1993-01-03 | 1994-07-13 | 何武坤 | 肠腔透析液及其制备 |
US5771890A (en) * | 1994-06-24 | 1998-06-30 | Cygnus, Inc. | Device and method for sampling of substances using alternating polarity |
FR2724115B1 (fr) * | 1994-09-02 | 1996-10-25 | Elf Aquitaine | Dispositif d'ionophorese pour l'administration transcutanee d'un principe actif a un sujet assurant un controle precis de la posologie |
EP0813887A3 (en) * | 1996-06-20 | 1999-11-03 | Hisamitsu Pharmaceutical Co. Inc. | A device structure for iontophoresis |
EP1077634B1 (en) * | 1998-05-13 | 2003-07-30 | Cygnus, Inc. | Monitoring of physiological analytes |
CA2329411C (en) * | 1998-05-13 | 2004-01-27 | Cygnus, Inc. | Collection assemblies for transdermal sampling system |
EP1078258B1 (en) * | 1998-05-13 | 2003-07-30 | Cygnus, Inc. | Device for predicting physiological values |
JPH11347014A (ja) * | 1998-06-05 | 1999-12-21 | Hisamitsu Pharmaceut Co Inc | イオントフォレーシスデバイス構造体及び生体内成分の検出方法 |
AU769693B2 (en) * | 1999-04-12 | 2004-01-29 | Hisamitsu Pharmaceutical Co. Inc. | Iontophoresis device |
EP1270041A1 (en) | 2001-06-22 | 2003-01-02 | Universite De Geneve | Device for non-invasively determining the relative levels of two substances present in a biological system |
US20030065285A1 (en) | 2001-07-23 | 2003-04-03 | Higuchi William I. | Method and apparatus for increasing flux during reverse iontophoresis |
-
2002
- 2002-04-08 TR TR2002/00942A patent/TR200200942A2/xx unknown
-
2003
- 2003-04-08 DE DE60334106T patent/DE60334106D1/de not_active Expired - Lifetime
- 2003-04-08 AU AU2003224595A patent/AU2003224595A1/en not_active Abandoned
- 2003-04-08 EP EP03721271A patent/EP1526891B1/en not_active Expired - Lifetime
- 2003-04-08 JP JP2003581841A patent/JP4495975B2/ja not_active Expired - Fee Related
- 2003-04-08 CN CNB038128624A patent/CN100431641C/zh not_active Expired - Fee Related
- 2003-04-08 WO PCT/TR2003/000032 patent/WO2003084604A1/en active Application Filing
- 2003-04-08 RU RU2004133037/14A patent/RU2373969C2/ru not_active IP Right Cessation
- 2003-04-08 US US10/510,779 patent/US7231242B2/en not_active Expired - Fee Related
- 2003-04-08 AT AT03721271T patent/ATE480296T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1526891B1 (en) | 2010-09-08 |
JP2005522246A (ja) | 2005-07-28 |
EP1526891A1 (en) | 2005-05-04 |
TR200200942A2 (tr) | 2004-02-23 |
US20050273045A1 (en) | 2005-12-08 |
AU2003224595A1 (en) | 2003-10-20 |
CN1658925A (zh) | 2005-08-24 |
DE60334106D1 (de) | 2010-10-21 |
CN100431641C (zh) | 2008-11-12 |
RU2373969C2 (ru) | 2009-11-27 |
WO2003084604A1 (en) | 2003-10-16 |
US7231242B2 (en) | 2007-06-12 |
ATE480296T1 (de) | 2010-09-15 |
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