최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0254515 (2008-10-20) |
등록번호 | US-8663442 (2014-03-04) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 3 인용 특허 : 492 |
A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC response is determined using the AC response; and a concentration of the analyte is determined based upon the
A method of measuring an analyte in a biological fluid comprises applying an excitation signal having a DC component and an AC component. The AC and DC responses are measured; a corrected DC response is determined using the AC response; and a concentration of the analyte is determined based upon the corrected DC response. Other methods and devices are disclosed.
1. A system for performing a measurement on a biological fluid, the system comprising: a test strip comprising a capillary fill chamber extending a length along the test strip from an opening to a terminus, a measurement zone in the chamber positioned intermediate the opening and the terminus, and a
1. A system for performing a measurement on a biological fluid, the system comprising: a test strip comprising a capillary fill chamber extending a length along the test strip from an opening to a terminus, a measurement zone in the chamber positioned intermediate the opening and the terminus, and at least two dose sufficiency electrodes in operative communication with the chamber, the dose sufficiency electrodes being positioned intermediate the measurement zone and the terminus,wherein the dose sufficiency electrodes have a first axis substantially parallel to the length of the capillary chamber and a second axis substantially perpendicular to the length of the capillary fill chamber with the first axis being of greater length than the second axis, the dose sufficiency electrodes defining a gap there between extending longitudinally of the capillary fill chamber; anda circuit operable to: a) apply an AC signal to at least one of the dose sufficiency electrodes;b) measure a response to said signal; andc) compare the response to a predetermined threshold to indicate whether the biological fluid has progressed a selected distance up the gap between the dose sufficiency electrodes. 2. The system of claim 1 wherein the dose sufficiency electrodes have first edges substantially parallel to the length of the fluid flow path and defining the gap therebetween. 3. The system claim 2, wherein the response comprises magnitude information and the circuit is operable to use the magnitude information to determine the progress of the biological fluid. 4. The system of claim 2, wherein the response comprises an admittance value and the circuit is operable to use the admittance value to determine the progress of the biological fluid. 5. The system of claim 2 in which the gap has a width of about 100 μm to about 300 μm. 6. The system of claim 5 in which the gap has a width of about 150 μm to about 260 μm. 7. The system of claim 2 in which the capillary fill chamber is configured to provide a concave wave front for the biological fluid as it progresses along the capillary fill chamber. 8. The system of claim 7 in which the biological fluid is blood. 9. The system of claim 8 in which the gap has a width of about 100 μm to about 300 μm. 10. The system of claim 9 in which the gap has a width of about 150 μm to about 260 μm. 11. The system of claim 10, wherein the response comprises magnitude information and the circuit is operable to use the magnitude information to determine the progress of the biological fluid. 12. The system of claim 10, wherein the response comprises an admittance value and the circuit is operable to use the admittance value to determine the progress of the biological fluid. 13. The system of claim 10, wherein the response comprises phase angle information and the circuit is operable to use the phase angle information to determine the progress of the biological fluid. 14. The system of claim 2, wherein the response comprises phase angle information and the circuit is operable to use the phase angle information to determine the progress of the biological fluid. 15. The system of claim 1, wherein the response comprises magnitude information and the circuit is operable to use the magnitude information to determine the progress of the biological fluid. 16. The system of claim 1, wherein the response comprises phase angle information and the circuit is operable to use the phase angle information to determine the progress of the biological fluid. 17. The system of claim 1, wherein the response comprises an admittance value and the circuit is operable to use the admittance value to determine the progress of the biological fluid. 18. The system of claim 1 in which the gap has a width of about 100 μm to about 300 μm. 19. The system of claim 1 in which the capillary fill chamber is configured to provide a concave wave front for the biological fluid as it progresses along the capillary fill chamber. 20. The system of claim 19 in which the biological fluid is blood.
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