Specimen Analyzer Cleaning Unit Blade Removal
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Solution Overview
Problem
Conventional specimen analyzing apparatuses face accuracy issues due to contamination from substances adhering to the outer surface of the cleaning unit, which can contaminate the measurement sample during the analysis process.
Innovation Solution
The apparatus incorporates a cleaning unit with a through-hole and a supplying path for cleaning solution, along with a moving unit to change the relative position of the aspirating tube and cleaning unit, and a removing unit, such as a blade or air suction unit, to effectively remove substances attached to the outer side of the cleaning unit, preventing contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the aspirating tube is cleaned after the sample has been aspirated and subsequently analyzed, then the aspirating tube can be reused for the next sample, but substances like clotted blood and debris may adhere to the outer surface of the cleaning unit and contaminate the measurement sample, reducing analysis accuracy
Solution Approach 1:
The invention applies preliminary action by removing substances from the outer surface of the cleaning unit before the measurement sample is introduced. The removing unit is configured to operate in advance to prevent contamination, ensuring that no clotted blood or debris from previous cleaning operations can contaminate the current measurement sample, thus maintaining analysis accuracy while enabling aspirating tube reuse
Solution Approach 2:
The removing unit acts as an intermediary between the cleaning unit and the measurement sample. It is positioned to remove substances from the cleaning unit's outer surface, serving as a protective barrier that prevents direct contact between contaminants and the measurement sample, thereby resolving the contradiction between reusing the aspirating tube and maintaining measurement precision
2Reliability
If a cleaning unit is added to clean the aspirating tube, then the aspirating tube can be cleaned between samples, but the cleaning unit itself may accumulate substances on its outer surface that can contaminate the measurement sample
Solution Approach 1:
The invention extracts the harmful substances from the cleaning unit's outer surface using the removing unit. By actively removing clotted blood and debris that accumulate during cleaning operations, the system prevents these substances from becoming a source of contamination for the measurement sample, thus maintaining the cleaning function's reliability while eliminating the harmful contamination risk
Solution Approach 2:
The invention converts the potential harm of substances accumulating on the cleaning unit into a benefit by using the removing unit to systematically eliminate these substances. The removing unit transforms the cleaning unit from a potential contamination source into a safe component that can reliably clean aspirating tubes without risking sample contamination
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration ensures accurate analysis by preventing contamination from substances like clotted blood and debris, thereby enhancing the detection accuracy of the measurement samples.
Implementation Method 1
a supplying path for supplying a cleaning solution into the through-hole are formed, configured to clean the aspirating tube positioned in the through-hole
Implementation Method 2
a removing unit configured to remove a substance attached on the outer side of the cleaning unit
Data Source
AI summary
To provide a specimen analyzing apparatus capable of preventing a reduction in analysis accuracy caused by contamination of a measurement sample by a substance attached to a cleaning unit, the present invention provides a blood analyzer 100 which includes a cleaning unit 7 for cleaning an aspirating tube 1 positioned within a through-hole 72, a vertical moving unit 5 for moving the aspirating tube 1 along a through-hole relative to the cleaning unit 7, and a blade 8 for removing a substance attached to the outer side of the cleaning unit 7, wherein an aspirating tube 1 is provided for aspirating a sample, a through-hole 72 is formed to allow the aspirating tube 1 to pass therethrough, and a supply path 73 is formed for supplying a cleaning liquid to the through-hole 72.