Test unit and test system for analyzing body fluids
First Claim
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1. A test unit for analyzing body fluids such as blood, comprising:
- a collecting element which has a microfluidic collecting area for a body fluid in the form of a semi-open channel; and
,a test element configured to be brought into fluidic connection, with the collecting, area by deflection of a transfer part of the collecting element in order to transfer the body fluid,wherein the transfer part is pre-tensioned against a holding-down device and the deflection of the transfer part towards the test element is triggered by releasing the holding-down device.
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Abstract
The test unit for analyzing body fluids such as blood comprises a collecting element which has a microfluidic collecting area for the body fluid, and a test element which can be brought into fluidic connection with the collecting area by deflecting a transfer part of the collecting element in order to transfer body fluid. The transfer part is pre-tensioned against a holding-down device and the deflection of the transfer part towards the test element can be triggered by releasing the holding-down device.
49 Citations
24 Claims
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1. A test unit for analyzing body fluids such as blood, comprising:
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a collecting element which has a microfluidic collecting area for a body fluid in the form of a semi-open channel; and
,a test element configured to be brought into fluidic connection, with the collecting, area by deflection of a transfer part of the collecting element in order to transfer the body fluid, wherein the transfer part is pre-tensioned against a holding-down device and the deflection of the transfer part towards the test element is triggered by releasing the holding-down device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A test system for analyzing body fluids such as blood, comprising:
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a device in which at least one collecting element can be used in order to detect an analyte in a body fluid; a collecting element which has a microfluidic collecting area for the body fluid in the form of a semi-open channel; and
,a test element configured to be brought into fluidic connection with the collecting area by deflecting a transfer part of the collecting element in order to transfer body fluid; wherein the transfer part is pretensioned against a holding-down device on the collecting element where the deflection can be triggered by releasing the holding-down device by means of a trigger in the device. - View Dependent Claims (19, 20, 21, 22)
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23. A test unit for analyzing body fluids such as blood, comprising:
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a collecting element that has a microfluidic collecting area configured as a semi-opened channel for collecting the body fluid; a test element carried on the collecting element for analyzing the body fluid; means for transfer pretensioned against a holding-down device to deflect the collecting element to transfer body fluid to the test element; and
,means for triggering to release the holding-down device upon being triggered to allow deflection of the collecting element in order to transfer body fluid free from an external drive to deflect the collecting element.
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24. A method for analyzing blood to determine blood glucose level, comprising:
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pretensioning a transfer part of a collecting element against a holding-down device; lancing a body part to provide access to blood; collecting the blood in a semi-open channel microfluidic collection area; triggering the holding-down device to release the holding-down device; deflecting the collecting element free from use of an external drive to deflect the collecting element; transferring the blood from the collection area to a test element; analyzing the blood by the test element to determine blood glucose level.
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Specification