Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent
1997-03-10
2000-07-11
Raevis, Robert
Measuring and testing
Sampler, sample handling, etc.
Capture device
G01N 100
Patent
active
060856033
DESCRIPTION:
BRIEF SUMMARY
The object of the invention is a method to mark a container for the identification of the samples it contains, in which method the container is mounted in a holder, which has a memory unit for the storing of the machine readable identification data of the container in the holder. In addition, the object of the invention is the handling equipment for the application of the method, as defined in the introduction part of the first device claim.
The present known method for marking the samples is that bar code labels are glued to a test tube containing, for instance, blood samples. This label is printed by a printer when the person who took the sample types the identification code of the patient e.g., his name, into the patient data system.
The basic blood sample is transferred to the hospital laboratory where it is identified on the basis of the label glued to the test tube. After the patient who gave the sample is recognized by the bar code, the laboratory personnel is able to find out which tests should be done to the blood sample, on the basis of the record they have access to. On the basis of this, the basic blood sample is divided into partial samples by pipeting or by an automatic divider. A label is glued to the test tube of every partial sample and the necessary information needed for the identification of a patient is marked on the label either in plain text or by bar code.
The partial blood samples are brought to analyzers for the necessary tests. The results of these tests and the information on the labels are registered and forwarded to the doctor attending the patient.
The greatest drawback of the above mentioned known method is that the samples or the results of the samples may be mixed by human error making, naturally, the test results of the blood samples of the patients unreliable. This kind of an error may happen, for instance, in the process of dividing the basic blood, samples into partial samples in case the person doing the dividing accidentally glues a wrong label to a wrong test tube or in the registering of the results of the analysis. Also, there may be problems in the dividing of the sample into partial samples and/or in their handling. One particular problem is the inconvenience of handling the labels. The labels may come off or they are fastened so tight that their removal in the cleaning is difficult.
The purpose of this invention is to solve the above mentioned problems and to offer for use a very reliable and simple method and a handling equipment by which test tubes can be marked for identification, identified and handled so that there is no need for separate code labels and no risk of mixing the samples of different patients. In addition, the purpose of the invention is to introduce a method and a handling equipment by which the sample can be handled fast, reliably and in a predetermined way and by which all the necessary data to process the sample is following with the sample.
These goals are met by the method relating to the invention and by the handling equipment, which are characteristic of the claim 1 and of the first claim for equipment.
The invention is based on the idea that the identification data stored in the memory unit is read by the reading device of the handling equipment and the sample is handled, in a predetermined way, by the handling equipment instruments and the data necessary for the handling is transferred to the memory unit. The sample is identified positively and reliably by the handling equipment. Furthermore, the sample can be handled in a desired way, fast and securely, after the identification and the data needed for the processing and/or identification of the sample can be stored in the memory unit of the basic sample container or in the memory unit of further sample containers.
The method is extremely usable for the handling of the blood samples of the patients in a hospital. The container, in this application, refers to a test tube or equivalent usable for the handling of blood samples, urine samples etc. The handling refers to the procedures do
REFERENCES:
patent: 3526125 (1970-09-01), Gilford et al.
patent: 3660638 (1972-05-01), Oberli
patent: 3818188 (1974-06-01), Hertel et al.
patent: 3916157 (1975-10-01), Roulette et al.
patent: 5651941 (1997-07-01), Stark et al.
Clids Oy
Raevis Robert
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