Specimen processor

A technology for processing devices and samples, applied in the preparation of test samples, analysis materials, instruments, etc., can solve problems such as difficult detection and separation of positions, complex detection devices, etc.

Active Publication Date: 2014-12-24
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is not easy to detect the separation position, and a complicated detection device etc. is required

Method used

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Examples

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Embodiment Construction

[0029] figure 1 It is a diagram showing the overall structure of a preferred sample processing device ("this sample processing device") for carrying out the present invention. The sample processing device has a distribution processing function, which includes sucking the blood sample placed in the blood collection tube T and discharging the blood sample into the sub-sample container. In the processing stage upstream of the sample processing device, for example, the blood sample in the blood collection tube T is subjected to centrifugal treatment by a centrifugal device, so that the blood sample is separated into blood coagulation factors, a separating agent and serum in the blood collection tube T, and from The bottom is positioned in that order. Serum is removed from the centrifuged blood collection tube T by the distribution processing function of the sample processing device. The serum remaining in the blood collection tube T and the serum removed from the blood collectio...

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Abstract

A specimen processor comprising: a dispensing unit (10) that sucks and discharges a blood specimen via a nozzle (12); a liquid level-measuring unit (20) that measures the liquid level height (Hd) of the blood specimen contained in a blood collection tube (T); a serum volume-estimating unit (30) that estimates the volume of the serum separated in the blood specimen, on the basis of the total blood volume (Vd), said total blood volume corresponding to the volume of the blood specimen and having been derived from the liquid level height (Hd) measured above, and a hematocrit value; a residual volume-estimating unit (40) that calculates the volume of the serum remaining after sucking, on the basis of the serum volume estimated by the serum volume-estimating unit (30) and the volume of the serum that is going to be sucked by the dispensing unit (10); and a controller (100) that controls the sucking procedure of the dispensing unit (10) so that the estimated residual volume is not less than the desired volume of the serum to be left in the blood collection tube (T).

Description

technical field [0001] The invention relates to a sample processing device for processing blood samples. Background technique [0002] When the blood collection tube containing the blood sample and the separation agent is centrifuged, the blood sample is separated in the blood collection tube into serum and coagulation factors respectively located on both sides of the separation agent. For example, applying a centrifugal force toward the bottom of the blood collection tube causes the blood coagulation factors, separation agent, and serum in the blood collection tube to separate and appear in this order from the bottom. Subsequently, the serum is removed from the centrifuged blood collection tube using a dispensing device or the like, and the serum remaining in the blood collection tube and the serum removed from the blood collection tube are examined and analyzed. [0003] In order to test and analyze the serum remaining in the blood collection tube, the amount of serum req...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/10
CPCG01N35/1016G01N2035/1025G01N1/31
Inventor 片木瞳下川部晴纪
Owner HITACHI LTD
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