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Specimen analyzing implement

A sample analysis, sample technology, applied in measurement devices, analytical materials, biological material analysis, etc.

Inactive Publication Date: 2008-11-26
ARKRAY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the case of handling of the sample analysis device by the patient himself who is not an expert, the sample analysis device must have particularly good disposability

Method used

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  • Specimen analyzing implement
  • Specimen analyzing implement
  • Specimen analyzing implement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A

[0056] The first sample analysis device of the present invention will be described below. It should be noted that the present invention is not limited to these Examples. In the first sample analysis device, the average thickness of the porous sheet is, for example, 10 microns to 2000 microns, preferably 100 microns to 1000 microns, more preferably 300 microns to 50 microns. Its size is appropriately determined according to its use (type of test, etc.). In the case of a rectangular shape (rectangular or square), its size is, for example, 20 mm x 20 mm to 2 mm x 250 mm, preferably 20 mm x 25 mm to 3 mm x 150 mm, more preferably 20 mm x 30 mm to 25 x 40mm. On the other hand, the size of the supporting film is appropriately determined according to the size of the aforementioned porous sheet, and the thickness of the supporting film is, for example, in the range of 20 microns to 500 microns, preferably in the range of 50 microns to 300 microns, more preferably in the range of 100...

Embodiment A-1

[0060] Figures 1A to 1C A first example of a first sample analysis device is shown in . Figure 1A is a top view schematically showing the sample analysis device. Figure 1B is a cross-sectional view of the device along arrow line I-I, viewed in the direction indicated by the arrow. Figure 1C is a perspective view of the device. It should be noted that Figures 1A to 1C The sample analysis device is partially shown exaggeratedly in order to make the configuration of the device easy to understand, so these drawings differ from the actual sample analysis device in some cases. This also applies to the Figure 2A and 2B , Figure 3A and 3B ,as well as Figure 4 .

[0061] Such as Figures 1A to 1C As shown in , the sample analysis device 1 is manufactured by attaching support films 11 and 12 to the front and rear surfaces of a porous sheet 13, respectively. A sample supply hole 14 is formed at a predetermined position in the support film 11 attached to the front surface....

Embodiment A-2

[0066] Figure 2A and 2B A second example of the first sample analysis device is shown in . Figure 2A is a top view schematically showing the sample analysis device. Figure 2B is a cross-sectional view of the device along arrow line II-II, viewed in the direction indicated by the arrow. Similar to the first example described above, this sample analysis device is manufactured by attaching support films 21 and 22 to the front and rear surfaces of a porous sheet 23 . It should be noted that in the current sample analysis device, the peripheral portions of the two supporting films 21 and 22 are bonded to each other, thereby sealing the entire sides of the porous sheet 23 . In addition, three ventilation holes 25 and one sample supply hole 24 are formed in the support film 21 on the front surface, thereby enhancing the capillary phenomenon in the porous sheet 23 . The vent hole 25 is a hole formed only through the support film 21 on the front surface, but it may also be forme...

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Abstract

A sample analysis device 1 is provided in which a target component to be analyzed is prevented from being contaminated by a sample itself, which can be formed in an appropriate size, and which has excellent operability. In a sample analysis device 1 in which a sample is to be held in a porous sheet 13, supporting films 11 and 12 are stuck on front and rear faces of the porous sheet 13, respectively, and a sample supply hole 14 is formed in a part of the supporting films.

Description

technical field [0001] The present invention relates to a sample analysis device using a porous sheet. Background technique [0002] In clinical medicine or the like, disposable sample analysis devices are widely used for fluid samples such as body fluids such as blood, urine, and spinal fluid. In a sample analyzing device composed of a porous sheet made of filter paper, plastic film, etc., a sample such as blood is spotted on a part of the porous sheet, and the blood diffuses through the inside of the porous sheet due to capillary phenomenon. Where the sample is whole blood, blood cells are separated from plasma and serum by sieving while the whole blood diffuses through the interior. The sample analysis device in which the sample is diffused in this way can be used as it is to hold the sample or preserve the sample. In addition, after a certain period of time has elapsed since the sampling of the sample, the porous sheet can be taken out from the sample analysis device, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/543B01L3/00G01N33/558
CPCG01N33/558B01L3/5023B01L2300/0825B01L3/505B01L2300/0887Y10S436/807Y10S436/81
Inventor 平尾佳村田康人
Owner ARKRAY INC