1. An abnormality-identifying method for identifying an abnormality in an analyzer which analyzes a specimen based on optical measurement, the method comprising:
firstly acquiring a reference value which is a measurement result obtained by using a low-concentration reagent containing a component in predetermined very low concentrations;
secondly acquiring an abnormality-identification measurement value which is a measurement result obtained through an analysis process using a high-concentration reagent containing the component in predetermined high concentrations; and
identifying an abnormality in an analysis process concerning removal of the high-concentration reagent based on whether the abnormality-identification measurement value is within an acceptable range set based on the reference value.
2. The abnormality-identifying method according to claim 1, wherein
the firstly acquiring includes a firstly measuring a light-emission amount as the reference value after an analysis process which allows the component to emit light,
the secondly acquiring includes
removing, after injecting the high-concentration reagent into a reaction vessel, the component in the high-concentration reagent in the reaction vessel by performing a same process as a removal process for removing unreacted substance in the reaction vessel, among analysis processes performed on the specimen, and
secondly measuring a light-emission amount as the abnormality-identification measurement value after an analysis process which allows the component to emit light, and
the identifying includes identifying a removal defect in the removal process among the analysis processes performed on the specimen when the abnormality-identification measurement value is not within the acceptable range.
3. The abnormality-identifying method according to claim 2, wherein
the removal process includes a first removal process and a second removal process, and
the removing is one of
a first removal step which performs a same process as the first removal process,
a second removal step which performs a same process as the second removal process, and
a third removal step which performs a same process as the first removal process and a same process as the second removal process.
4. The abnormality-identifying method according to claim 3, wherein
the identifying includes identifying
a removal defect in the first removal process among the analysis processes performed on the specimen, when the removing is the first removal step and the abnormality-identification measurement value is not within the acceptable range,
a removal defect in the second removal process among the analysis processes performed on the specimen, when the removing is the second removal step and the abnormality-identification measurement value is not within the acceptable range, and
a removal defect in at least one of the first removal process and the second removal process, when the removing is the third removal step and the abnormality-identification measurement value is not within the acceptable range.
5. The abnormality-identifying method according to claim 1, wherein
the firstly acquiring includes firstly measuring a light-emission amount as the reference value after an analysis process to allow the component emit light,
the secondly acquiring includes
injecting the high-concentration reagent into a reaction vessel using a liquid injection system which injects liquid into the reaction vessel,
injecting, after the high-concentration-reagent injection step, a zero-concentration reagent containing none of the component in a reaction vessel which is different from the reaction vessel in which the high-concentration reagent is injected using the liquid injection system which is cleaned, and
secondly measuring a light-emission amount as the abnormality-identification measurement value of the reaction vessel into which the zero-concentration reagent is injected after an analysis process to allow the component to emit light,
the identifying includes identifying a defect in a cleaning process of the liquid injection system among the analysis processes performed on the specimen, when the abnormality-identification measurement value is not within the acceptable range.
6. The abnormality-identifying method according to claim 1 wherein
the component is a labeled substance which is bound to a light-emitting substrate.
7. An analyzer for analyzing a specimen based on optical measurement, the analyzer comprising:
a measurement unit that acquires a reference value which is a measurement result obtained by using a low-concentration reagent containing a component in predetermined very low concentrations, and acquires an abnormality-identification measurement value which is a measurement result obtained through analysis process using a high-concentration reagent containing the component in predetermined high concentrations; and
an identifying unit that identifies an abnormality in an analysis process concerning removal of the high-concentration reagent based on whether the abnormality-identification measurement value is within an acceptable range set based on the reference value.
8. The analyzer according to claim 7, further comprising
a removing unit that performs a removal process among analysis processes performed on the specimen to remove unreacted substance from a reaction vessel, wherein
the removing unit removes, after the high-concentration reagent is injected into the reaction vessel, a component of the high-concentration reagent in the reaction vessel by performing a same process as the removal process,
the measurement unit measures a light-emission amount as the reference value after an analysis process which allows the component in the low-concentration reagent to emit light, and measures a light-emission amount as the abnormality-identification measurement value after the removing unit removes the component of the high-concentration reagent and an analysis process is performed to allow the component to emit light,
the identifying unit identifies a removal defect in the removal process among the analysis processes performed on the specimen when the abnormality-identification measurement value is not within the acceptable range.
9. The analyzer according to claim 8, wherein
the removal process includes a first removal process and a second removal process, and
the removing unit performs at least one of a same process as the first removal process and a same process as the second removal process, to remove the component of the high-concentration reagent in the reaction vessel.
10. The analyzer according to claim 9, wherein
the identifying unit identifies
a removal defect in the first removal process among the analysis processes performed on the specimen, when the removing unit performs the same process as the first removal process and the abnormality-identification measurement value is not within the acceptable range,
a removal defect in the second removal process among the analysis processes performed on the specimen, when the removing unit performs the same process as the second removal process and the abnormality-identification measurement value is not within the acceptable range, and
a removal defect in one or both of the first removal process and the second removal process among the analysis processes performed on the specimen, when the removing unit performs the same process as the first removal process and the same process as the second removal process and the abnormality-identification measurement value is not within the acceptable range.
11. The analyzer according to claim 7, further comprising
a liquid injecting unit that injects liquid into the reaction vessel,
the liquid injecting unit injects the high-concentration reagent into the reaction vessel, is cleaned after the high-concentration-reagent injection, and subsequently injects a zero-concentration reagent, which contains none of the component, into a different reaction vessel from the reaction vessel into which the high-concentration reagent is injected,
the measurement unit measures a light-emission amount after an analysis process to allow the component in the low-concentration reagent to emit light as the reference value, and measures a light-emission amount from the reaction vessel into which the zero-concentration reagent is injected as the abnormality-identification measurement value, after an analysis process to allow the component to emit light,
the identifying unit identifies a defect in a cleaning process performed by the liquid injecting unit among the analysis processes performed on the specimen, when the abnormality-identification measurement value is not within the acceptable range.
12. The analyzer according to claim 7, wherein the component is a labeled substance which is bound to a light-emitting substrate.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
We claim:
1. A disc reading apparatus, comprising:
a disc tray including a recess for receiving a disc, the recess defining a recess flange; and
a housing including an upper plate parallel to the disc tray, the upper plate including a barrier portion, the barrier portion including a plurality of bending boundaries;
wherein the barrier portion prevents a crack disk from jetting out.
2. The disc reading apparatus of claim 1, wherein the barrier portion increases the strength of the upper plate to avoid crack discs being jetted out due to the upper plate deformation.
3. The disc reading apparatus of claim 1, wherein the plurality of bending boundaries includes a first bending boundary and a second bending boundary.
4. The disc reading apparatus of claim 3, wherein of the first bending boundary is located between the recess flange and the front flange.
5. The disc reading apparatus of claim 3, wherein the first bending boundary is in a form of a partial-cylinder.
6. The disc reading apparatus of claim 3, wherein the second bending boundary is in a form of a flat plate.
7. A disc reading apparatus, comprising:
a disc tray including a recess for receiving a disc, the recess defining a recess flange; and
a housing including an upper plate parallel to the disc tray and a front flange, the upper plate including a barrier portion and a housing flange, a projection of the barrier portion on the disc tray is between the recess flange and a projection of the housing flange on the disc tray;
wherein the barrier portion prevents a crack disc from jetting out.
8. The disc reading apparatus of claim 7, wherein the barrier portion is a plate stretching downward from the upper plate.
9. The disc reading apparatus of claim 7, wherein the barrier portion includes a first bending boundary and a second bending boundary.
10. The disc reading apparatus of claim 9, wherein the first bending boundary is located between the recess flange and the front flange.
11. The disc reading apparatus of claim 9, wherein the first bending boundary is in a form of a partial-cylinder.
12. The disc reading apparatus of claim 9, wherein the second bending boundary is in a form of a flat plate.