Rotation Module for Automatic Consumable Replacement in Blood Test Devices
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Solution Overview
Problem
Current blood testing devices require users to manually install and remove single-use consumables such as lancets and test sheets, which is inconvenient and poses a risk of bacterial or cross infection, necessitating an improvement for automatic replacement of these consumables.
Innovation Solution
A test device equipped with a rotation module that includes a carrying cartridge driven by a unidirectional rotation mechanism, allowing for automatic replacement of consumables by rotating the carrying module to align with different slots, facilitating easy access and disposal of used items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual installation and removal of consumables is implemented, then device structure is simple, but user convenience deteriorates and infection risk increases
Solution Approach 1:
The patent implements a dynamic rotation module that automatically rotates the carrying cartridge to different positions based on operational needs. The rotation body can rotate between multiple positions to present different consumables (lancet, test sheet, control solution) to the user, transforming a static manual replacement system into a dynamic automatic system that improves ease of operation while maintaining acceptable device complexity through modular design
Solution Approach 2:
The system enables self-service automatic consumable replacement through the rotation module that autonomously positions and presents the next consumable in sequence. The microprocessor controls the rotation body to automatically advance to the next consumable position after each use, eliminating the need for manual intervention in consumable replacement and significantly improving user convenience
2Reliability
If manual handling of consumables is required, then device structure is simple, but risk of bacterial or cross infection increases
Solution Approach 1:
The automatic rotation module eliminates manual handling of consumables by self-service positioning and presentation. The system automatically rotates the carrying cartridge to present the next sterile consumable after each use, preventing user contact with potentially contaminated surfaces and eliminating the risk of bacterial or cross infection while maintaining ease of operation
Solution Approach 2:
The patent extracts the manual handling function from the user and transfers it to the automatic rotation module. By separating the consumable storage (carrying cartridge) from direct user interaction and implementing automated presentation, the system eliminates infection risk while preserving user convenience
3Extent of automation
If automatic replacement mechanism is implemented, then user convenience is improved, but device complexity increases
Solution Approach 1:
The rotation module is segmented into distinct functional components: rotation body, carrying cartridge, position detection mechanisms, and control system. This segmentation allows each component to be independently optimized and maintained, reducing overall system complexity while enabling high程度的 automation of consumable replacement
4Adaptability or versatility
If rotation module with multiple positions is implemented, then consumable variety is increased, but device complexity increases
Solution Approach 1:
The rotation body is designed as a universal platform that can accommodate multiple types of consumables (lancet, test sheet, control solution) in different positions. This multi-functional design allows a single rotation module structure to serve multiple purposes, increasing adaptability and versatility while avoiding the need for separate mechanisms for each consumable type, thereby controlling device complexity
Data Source
AI summary
A test device and a rotation module thereof are provided. The rotation module includes a rotation body and a sleeve. The rotation body includes a shaft, a first tube element, and a second tube element. The shaft is pivoted in the housing, and has an annular protrusion. The first tube element and the second tube element are sleeved on the shaft respectively, and the second tube element is located between the first tube element and the annular protrusion. The sleeve is slidably disposed on the rotation body. When the sleeve moves between a first position and a second position back and forth, the second tube element is driven to rotate back and forth relative to the first tube element. The annular protrusion is respectively driven by second tube element and the sleeve drive the annular protrusion so that the shaft rotates relative to the first tube element.