JP4195353B2 - Specimen analyzer - Google Patents

Specimen analyzer Download PDF

Info

Publication number
JP4195353B2
JP4195353B2 JP2003320573A JP2003320573A JP4195353B2 JP 4195353 B2 JP4195353 B2 JP 4195353B2 JP 2003320573 A JP2003320573 A JP 2003320573A JP 2003320573 A JP2003320573 A JP 2003320573A JP 4195353 B2 JP4195353 B2 JP 4195353B2
Authority
JP
Japan
Prior art keywords
test
test piece
test strip
base
transport device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2003320573A
Other languages
Japanese (ja)
Other versions
JP2005090969A (en
Inventor
重和 小西
敦 細谷
裕司 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eiken Chemical Co Ltd
Original Assignee
Eiken Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eiken Chemical Co Ltd filed Critical Eiken Chemical Co Ltd
Priority to JP2003320573A priority Critical patent/JP4195353B2/en
Publication of JP2005090969A publication Critical patent/JP2005090969A/en
Application granted granted Critical
Publication of JP4195353B2 publication Critical patent/JP4195353B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Description

本発明は、イメージセンサを用いて、試験片に設けられた試薬層の呈色の度合いを反射測定する装置の改良に関するものである。
The present invention relates to an improvement in an apparatus that reflects and measures the degree of coloration of a reagent layer provided on a test piece using an image sensor.

試薬部をプラスチック片などの支持体に設けた試験片を用いる分析方法は、臨床検査や食品分析その他多くの分野で広く利用されている。特に、尿を試料とする臨床検査分野では、スクリーニング検査などに必須となっており、尿検査における糖や蛋白など多項目を測定するため複数の試薬層を備えたマルチ試験片が一般的となっている。   An analysis method using a test piece in which a reagent part is provided on a support such as a plastic piece is widely used in clinical examinations, food analysis and many other fields. In particular, in the field of clinical testing using urine as a sample, it is essential for screening tests, and multi-test strips with multiple reagent layers are commonly used to measure multiple items such as sugar and protein in urinalysis. ing.

呈色の度合いを反射測定する呈色試験法は、光源からの光を試験片に照射して反射した光をイメージセンサに結像させ、各試薬層の呈色の度合いから試料中の成分濃度や特性の程度を演算により求める方法である。このような測定装置は、反射率測定装置と試験片搬送装置から成る。反射率測定装置としては、主に光源ランプ、レンズ、CCDカラーイメージセンサなどの検出器により構成されている。また、試験片搬送装置は、例えば試験片を載置する複数の試験片載置台を無端ベルトに等間隔に設け、該無端ベルトを間欠駆動することによって、試験片を順次測定位置に送り込む構造である(例えば、特許文献1参照)。
特開平7−5110号
The color test method, which measures the degree of color reflection by reflection, irradiates a test piece with light from a light source, forms an image of the reflected light on an image sensor, and determines the component concentration in the sample from the degree of coloration of each reagent layer. This is a method for obtaining the degree of characteristics by calculation. Such a measuring device comprises a reflectance measuring device and a test piece transport device. The reflectance measuring device mainly includes a detector such as a light source lamp, a lens, and a CCD color image sensor. In addition, the test strip transport device has a structure in which, for example, a plurality of test strip mounting tables for mounting test strips are provided at equal intervals on the endless belt, and the endless belt is intermittently driven to sequentially feed the test strips to the measurement position. Yes (see, for example, Patent Document 1).
JP-A-7-5110

呈色試験法においては、試験片からの反射光をイメージセンサに結像させるためのレンズを、これらの間に設ける必要があり、分析する試験片に対しイメージセンサの距離を長く取らなければならない構造となる。このことは、多項目を同時に分析できるマルチ試験片においてより顕著となる。このため、分析装置自体が大型化に繋がる結果となり、設置個所が限定される車載用や可搬型に採用されにくい欠点となっていた。
In the color test method, a lens for imaging the reflected light from the test piece on the image sensor needs to be provided between them, and the distance of the image sensor to the test piece to be analyzed must be long. It becomes a structure. This becomes more noticeable in a multi-test piece that can simultaneously analyze multiple items. For this reason, the analysis apparatus itself leads to an increase in size, and it has been a drawback that it is difficult to be adopted for in-vehicle use or portable type in which installation locations are limited.

そこで本発明者等は上記課題に鑑み鋭意研究した結果、本発明を成し得たものであり、その特徴とするところは、試料中の成分濃度を、試験片上の試薬層の呈色の度合いを反射測定することによって判定する装置において、試薬層に試料を供給した状態の該試験片の一部又は全体を撮像するものでイメージセンサ、レンズ及び反射光源より成る反射光学系を備えた分析部と、試験片を載置する複数の載置部を間欠駆動し試験片を所定の位置に搬送する試験片搬送装置とによって構成したものであって、該分析部が、回転軸とこれの支持部との組み合わせにより回動可能に連結したベースを介して該試験片搬送装置に設けられたことにある。   Therefore, the present inventors have made the present invention as a result of diligent research in view of the above-mentioned problems. The feature of the present invention is that the component concentration in the sample is the degree of coloration of the reagent layer on the test piece. In an apparatus for determining by reflection measurement, an analysis unit comprising a reflection optical system comprising an image sensor, a lens, and a reflection light source for imaging a part or the whole of the test piece in a state where a sample is supplied to a reagent layer And a test strip transport device that intermittently drives a plurality of mounting sections for mounting the test strips and transports the test strips to a predetermined position, and the analysis unit supports the rotating shaft and the support The test piece transporting apparatus is provided through a base that is rotatably connected by a combination with the unit.

ここで、本明細書中でいう「分析部」とは、イメージセンサ、レンズ及び反射光源より構成した反射光学系を備えたものをいう。この分析部により、光源から試験片上の試薬層に照射した反射光を、レンズを通してイメージセンサに結像させる。得られた画像データを画像処理装置などで分析することによって、液体試料中の成分濃度などが測定される。このような反射光学系による分析手段においては、分析する試験片に面する透過部と、該透過部から離反した位置にレンズとイメージセンサを設けた構造となり、分析装置全体として分析する試験片に対し分析部が細長く突き出した形態となる。   Here, the “analyzing unit” in the present specification means a unit provided with a reflection optical system including an image sensor, a lens, and a reflection light source. By this analysis unit, the reflected light irradiated from the light source to the reagent layer on the test piece is imaged on the image sensor through the lens. By analyzing the obtained image data with an image processing apparatus or the like, the component concentration in the liquid sample is measured. The analyzing means using such a reflective optical system has a structure in which a transmission part facing the test piece to be analyzed and a lens and an image sensor are provided at a position away from the transmission part. On the other hand, the analysis unit protrudes into an elongated shape.

「ベース」とは、分析部を支持する部材をいう。本発明においては、回転軸とこれを回動可能に支持する支持部との組み合わせにより、ベースに対し分析部が回動できるように両者を連結する。回転軸と支持部としては、例えば一方にピンなどの突条部を設け、他方にこれらを挿通させる孔を設ける。この他、両者に孔を設けて別体の軸を挿通したり、別体の蝶番などで連結してもよい。   The “base” refers to a member that supports the analysis unit. In the present invention, the combination of the rotation shaft and the support portion that rotatably supports the shaft is coupled so that the analysis portion can rotate relative to the base. As the rotating shaft and the support portion, for example, a protrusion such as a pin is provided on one side, and a hole through which these are inserted is provided on the other side. In addition, a hole may be provided in both and a separate shaft may be inserted, or a separate hinge may be connected.

「試験片搬送装置」とは、試薬層に試料が供給された試験片をセットするための複数の保持部を設けたもので、該保持部を間欠移送させることによって、複数の試験片を所定の位置に順次供給する装置をいう。本発明においては、このような試験片搬送装置の一部に、ベースを介して分析部を設ける。これにより、分析部が試験片搬送装置に対して回動可能に支持されることになり、不使用時に折り畳んでおくことが可能となる。   The “test strip transport device” is provided with a plurality of holding sections for setting a test strip supplied with a sample to the reagent layer. By intermittently transferring the holding sections, a plurality of test strips are predetermined. The apparatus which supplies sequentially to the position. In the present invention, an analysis unit is provided through a base in a part of such a test piece transport apparatus. As a result, the analysis unit is rotatably supported with respect to the test piece transport apparatus, and can be folded when not in use.

ベースは、試験片搬送装置の一部に設けてもよく、試験片搬送装置の一部に取り付けるための取付部を設けた構造としてもよい。ベースに取付部を設けた構造の場合には、既存の試験片搬送装置などに該ベースを介して分析部を取り付けることができ、分析部が折り畳み可能な分析装置とすることができる。特に、可搬型の試験片搬送装置では、その機能を最大限に活かすことができ、自動車内や航空機内などの狭い場所での利用に有効となる。取付部を試験片搬送装置に固定する手段としては、ネジ止めやクランプなどによって行う他、固定用のブラケットなどを別途利用してもよい。
The base may be provided in a part of the test strip transport apparatus, or may have a structure in which an attachment portion for mounting on the test strip transport apparatus is provided. In the case of a structure in which an attachment portion is provided on the base, the analysis portion can be attached to the existing test piece transport device or the like via the base, and the analysis device can be folded. In particular, the portable test piece transport apparatus can make the most of its functions and is effective for use in a narrow place such as in an automobile or an airplane. As a means for fixing the mounting portion to the test piece transporting device, a fixing bracket or the like may be used separately in addition to screwing or clamping.

本発明に係る試験片分析装置は、反射光学系を利用した呈色試験装置において問題となっていた大型化を解消することが可能となった。特に、反射光学系は構造が簡単で設定も容易であり製造コストも安価であることから、小型化を可能としたことにより、車載用や可搬型などに活用することができ、汎用性を高めることができるなど極めて有益な効果を有するものである。
The test strip analyzer according to the present invention can eliminate the increase in size that has been a problem in the color test apparatus using the reflective optical system. In particular, the reflective optical system has a simple structure, is easy to set up, and is inexpensive to manufacture. Therefore, it can be used for in-car use and portable use because it can be miniaturized, increasing versatility. It has a very beneficial effect.

本発明は、試料中の成分濃度を験片上の試薬層の呈色の度合いを反射測定することによって判定する装置であって、反射光学系を備えた分析部を、回転軸とこれの支持部との組み合わせにより回動可能に連結したベースを介して試験片搬送装置に設けたことによって、前記課題を解決した。
The present invention is an apparatus for determining the concentration of a component in a sample by reflection measurement of the degree of coloration of a reagent layer on a specimen, and comprising an analysis unit having a reflection optical system, a rotating shaft and a support unit for the same The above-mentioned problems have been solved by providing the test piece transporting device via a base that is rotatably connected by a combination with the above.

図1(a)(b)は、本発明に係る試験片分析装置1の一例を示すもので、イメージセンサ21、レンズ22、反射光源としての光源ランプ23より成る反射光学系を内蔵し、イメージセンサ21からレンズ22に向かう延長上に透過部24を有する分析部2を、ベース3に回転可能に取り付けたものである。本例では、分析部2に回転軸31を設け、これをベース3に設けた孔25に挿通させることによって相対的に回転できるようにしている。このベース3には試験片搬送装置4の一部に固定するための取付部32が設けられ、該取付部32に設けたネジ孔にネジを挿通して試験片搬送装置4に固定する。さらに、本例ではベース3に保定用磁石5を設け、分析時に分析部2の透過部24が試験片6に面する状態に保持させる例を示している。
1 (a) and 1 (b) show an example of a test strip analyzer 1 according to the present invention, which incorporates a reflection optical system including an image sensor 21, a lens 22, and a light source lamp 23 as a reflection light source. The analysis unit 2 having the transmission unit 24 on the extension from the sensor 21 toward the lens 22 is rotatably attached to the base 3. In this example, a rotating shaft 31 is provided in the analysis unit 2 and is relatively rotated by being inserted through a hole 25 provided in the base 3. The base 3 is provided with a mounting portion 32 for fixing to a part of the test piece transporting device 4, and a screw is inserted into a screw hole provided in the mounting portion 32 and fixed to the test strip transporting device 4. Further, in this example, a retaining magnet 5 is provided on the base 3 and an example is shown in which the transmitting unit 24 of the analyzing unit 2 is held in a state facing the test piece 6 at the time of analysis.

図2は、本発明に係る試験片分析装置1の他の例を示すもので、試験片搬送装置4にベース3を設けたものであり、該ベース3に分析部2を回転可能に連結した構造である。この試験片搬送装置4は、複数の試験片保持部41を無端状に連結支持して間欠駆動する構造であり、該保持部41にセットした試験片6を所定の位置に送り込んで順次分析を行う。分析が終了した後は、図の鎖線で示すように分析部2を折り畳んでおくことで、装置1が極めてコンパクトとなる。
FIG. 2 shows another example of the test strip analyzer 1 according to the present invention, in which the base 3 is provided in the test strip transport device 4, and the analyzer 2 is rotatably connected to the base 3. Structure. The test piece transporting device 4 has a structure in which a plurality of test piece holding portions 41 are connected and supported endlessly and intermittently driven, and the test pieces 6 set on the holding portion 41 are sent to a predetermined position and sequentially analyzed. Do. After the analysis is completed, the analysis unit 2 is folded as shown by the chain line in the figure, so that the device 1 becomes extremely compact.

本発明に係る試験片分析装置の一例を示すもので、(a)は正面図、(b)は側面図である。(実施例1)An example of the test strip analyzer which concerns on this invention is shown, (a) is a front view, (b) is a side view. Example 1 本発明に係る試験片分析装置の他の例を示す正面図である。(実施例2)It is a front view which shows the other example of the test strip analyzer which concerns on this invention. (Example 2)

符号の説明Explanation of symbols

1 試験片分析装置
2 分析部
21 イメージセンサ
22 レンズ
23 光源ランプ
24 透過部
25 孔
3 ベース
31 回転軸
32 取付部
4 試験片搬送装置
41 保持部
5 保定用磁石
6 試験片
DESCRIPTION OF SYMBOLS 1 Test piece analyzer 2 Analysis part 21 Image sensor 22 Lens 23 Light source lamp 24 Transmission part 25 Hole 3 Base 31 Rotating shaft 32 Mounting part 4 Test piece conveyance apparatus 41 Holding part 5 Retaining magnet 6 Test piece

Claims (3)

試料中の成分濃度を、試験片上の試薬層の呈色の度合いを反射測定することによって判定する装置において、試薬層に試料を供給した状態の該試験片の一部又は全体を撮像するものでイメージセンサ、レンズ及び反射光源より成る反射光学系を備えた分析部と、試験片を載置する複数の載置部を間欠駆動し試験片を所定の位置に搬送する試験片搬送装置とによって構成したものであって、該分析部が、回転軸とこれの支持部との組み合わせにより回動可能に連結したベースを介して該試験片搬送装置に設けられたものであることを特徴とする試験片分析装置。   In an apparatus that determines the concentration of components in a sample by reflection measurement of the degree of coloration of the reagent layer on the test piece, it images a part or the whole of the test piece in a state where the sample is supplied to the reagent layer. Consists of an analysis unit having a reflection optical system composed of an image sensor, a lens, and a reflection light source, and a test strip transport device that intermittently drives a plurality of mounting units for mounting the test strips and transports the test strips to a predetermined position. The analysis unit is provided in the test piece transporting device through a base that is rotatably connected by a combination of a rotating shaft and a support unit thereof. Fragment analyzer. ベースが試験片搬送装置に設けられたものである請求項1記載の試験片分析装置。   The test strip analyzer according to claim 1, wherein the base is provided in the test strip transport device. ベースが試験片搬送装置に取り付ける取付部によって設けられたものである請求項1又は2記載の試験片分析装置。   The test strip analyzer according to claim 1 or 2, wherein the base is provided by a mounting portion attached to the test strip transport device.
JP2003320573A 2003-09-12 2003-09-12 Specimen analyzer Expired - Fee Related JP4195353B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003320573A JP4195353B2 (en) 2003-09-12 2003-09-12 Specimen analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003320573A JP4195353B2 (en) 2003-09-12 2003-09-12 Specimen analyzer

Publications (2)

Publication Number Publication Date
JP2005090969A JP2005090969A (en) 2005-04-07
JP4195353B2 true JP4195353B2 (en) 2008-12-10

Family

ID=34452492

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003320573A Expired - Fee Related JP4195353B2 (en) 2003-09-12 2003-09-12 Specimen analyzer

Country Status (1)

Country Link
JP (1) JP4195353B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10890593B2 (en) 2015-10-09 2021-01-12 Sysmex Corporation Test piece mounting body, transport unit, and test piece analyzer
JP6599721B2 (en) 2015-10-09 2019-10-30 栄研化学株式会社 Test strip analyzer and test strip analysis method

Also Published As

Publication number Publication date
JP2005090969A (en) 2005-04-07

Similar Documents

Publication Publication Date Title
JP4951502B2 (en) Measuring head for spectral analysis and method for recalibration thereof
US9590122B2 (en) Fish eye lens analyzer
KR102005597B1 (en) Portable rapid diagnostic test reader
JP3559975B2 (en) Analysis method using test pieces
JP5801004B2 (en) Calibration method for reagent card analyzer
JP2006528004A (en) Optical specimen collection method and apparatus for reducing interference fluctuations
ATE377752T1 (en) READING APPARATUS, METHOD AND SYSTEM FOR LATERAL FLOW ASSAY TEST STRIPS
JP2019529920A (en) Analytical test equipment
US20090104710A1 (en) Colorimetric absorbance measurement method, apparatus and system
JP2009168810A (en) Device and method for analyzing cow's milk quality for field
JP2006003366A (en) Stabilization of cuvette under measurement
EA200801809A1 (en) COMBINATION OF READER AND THERMOSTAT
US7847946B2 (en) Verification apparatus and methods for optical inspection machine
EP1059522A1 (en) Method and apparatus for examining fluids of biological origin
TW201520534A (en) Fluorescence strip, fluorescence excitation device and portable fluorescence analysis system with the same
JP2009079926A (en) Test paper conveyance mechanism and chemical analyzer
JP4195353B2 (en) Specimen analyzer
JP4153854B2 (en) Analytical method using specimen and specimen analyzer equipped with internal standard for reflection measurement
EP1812783A2 (en) Read-head for optical diagnostic device
JP2023539444A (en) Circuit board with built-in light source
JPWO2003100425A1 (en) Immunological chromatographic test strip reading and quantifying device
JP2002228658A (en) Analyzer
KR20150029290A (en) Reading device of diagnostic strip
TWI780472B (en) Screening test strip reading system
US20110183352A1 (en) Configurable Diagnostic Systems and Methods for Performing Assays

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060911

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080819

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080902

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080925

R150 Certificate of patent or registration of utility model

Ref document number: 4195353

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111003

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20141003

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees