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Apparatus and method to determine erythrocyte sedimentation rate and other connected parameters

A technology for erythrocyte sedimentation and related parameters, applied in the field of equipment and methods for determining erythrocyte sedimentation rate and other related parameters, to achieve the effects of reducing sampling volume, avoiding contamination, and improving calibration and adjustment

Pending Publication Date: 2020-12-22
ALIFAX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0018] Another limitation of this method lies in the fact that the acquisition of photometric data depends on the rotation speed of the measurement volume and therefore cannot be considered as a continuous phenomenon

Method used

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  • Apparatus and method to determine erythrocyte sedimentation rate and other connected parameters
  • Apparatus and method to determine erythrocyte sedimentation rate and other connected parameters
  • Apparatus and method to determine erythrocyte sedimentation rate and other connected parameters

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Embodiment Construction

[0084] figure 1 A device 10 for determining erythrocyte sedimentation rate and other parameters related thereto is shown schematically and non-limitingly as a whole, which mainly includes the following components:

[0085] - sampling means 11 to collect a blood sample to be analyzed;

[0086] - a tube 12, for example made of Teflon, into which a blood sample can be introduced, which tube is transparent to electromagnetic radiation in the range comprised between 100 and 2000 nm, preferably between 200 and 1000 nm;

[0087] - a circuit 13 which connects the sampling member 11 to the tube 12 and inside which a blood sample circulates;

[0088] - a pump 14 associated with the circuit 13;

[0089] - a drain 15 for draining the blood sample after analysis;

[0090] - a measuring instrument comprising radiation emitter means 16 associated with associated detector means 17, which in this particular example are arranged on the opposite side with respect to a particular point of the ...

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PUM

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Abstract

Apparatus and corresponding method used, in the field of medical analysis, to determine erythrocyte sedimentation rate, as well as other connected parameters, said apparatus comprising: a sampling member (11) to take the blood sample to be analyzed disposed in test tubes (22); - a pipe (12) inside which the blood sample is able to be introduced, transparent to electromagnetic radiations in a fieldcomprised between 100 and 2000 nm; - a circuit (13) that connects said sampling member (11) to said pipe (12) and inside which the blood sample circulates; - a pump (14) associated with said circuit(13) and cooperating with means to create an air bubble between two successive blood samples; - a discharge pipe (15) to discharge the blood sample after the analysis; - a measuring instrument comprising a radiation emitter device (16) associated with a mating detector device (17), together defining a measuring zone; - a control and processing unit (20) able to manage the functioning of said apparatus, and - an interface unit (18) by means of which said devices (16 and 17) are connected to said control and processing unit (20), wherein said pump (14), with each measuring cycle, is configured to take a quantity of blood in a range from 30 microliters to 180 microliters, and wherein said measuring instrument is configured to perform the measurement on a quantity equal to about 1 final microliter of said initial sample quantity, the apparatus also comprising means (23) to make the test tubes (22) rotate or tilt before the sampling in order to perform programmed mixing cycles of the bloodcontained in the test tubes (22), wherein said sampling member comprises means (11, 11 a) to take the blood sample from the test tubes (22) both oriented with the stopper facing upward and also oriented with the stopper facing downward.

Description

technical field [0001] The invention relates to a device and a corresponding method for determining the erythrocyte sedimentation rate (ESR) and other related parameters in the field of medical analysis. Background technique [0002] In the field of medical analysis, pathological states defined as inflammation are determined by measuring the sedimentation rate of the corpuscular fraction of the blood, in particular erythrocytes or erythrocytes. Especially the erythrocyte sedimentation rate represents a non-specific diagnostic test of the inflammatory state. [0003] Different methods have been used to determine ESR, but these methods are not completely satisfactory from the point of view of speed and practicality of detection. [0004] In these methods using different measuring systems, the blood collected from the patient is introduced into a tubular container or test tube, and subsequently, after possible centrifugation, the necessary measurements are carried out on the b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/05G01N35/02G01N35/10G01N15/04G01N35/00G01N35/04
CPCG01N15/05G01N35/025G01N35/1079G01N2035/00336G01N2035/00524G01N2035/0403G01N2035/0444G01N21/35G01N33/49
Inventor 保罗·加利亚诺
Owner ALIFAX
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