Single-Motor Container Rotation for Barcode Reading and Mixing
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Solution Overview
Problem
Existing automated analytical instruments require two motors to rotate sample containers for barcode reading and mixing, leading to a complex device setup.
Innovation Solution
A device using a single motor with a linear actuator and lead screw system, coupled with a container engaging member, to rotate and mix sample containers, allowing for efficient barcode alignment and mixing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two motors are used to rotate containers, then the container can be rotated for barcode reading and mixing, but the device complexity increases
Solution Approach 1:
The patent combines two separate motor functions (barcode reading rotation and mixing rotation) into a single motor system. The container engagement member integrates both barcode scanning and mixing operations, allowing one motor to perform multiple functions that previously required two separate motors, thereby reducing device complexity while maintaining versatility
Solution Approach 2:
The single motor system is designed to perform multiple functions: rotating the container for barcode reading and rotating the container for mixing. The container engagement member serves as a universal interface that enables both operations through a single actuator, making the system multi-functional without requiring separate dedicated motors for each function
2Device complexity
If a single motor is used to rotate containers, then the device complexity is reduced, but the operational efficiency may be compromised
Solution Approach 1:
The system dynamically adjusts the rotation behavior based on the operational mode. During barcode reading, the container rotates to a specific position and holds steady for scanning. During mixing, the container rotates continuously or intermittently. This dynamic control allows a single motor to efficiently handle different operational requirements without compromising productivity
Solution Approach 2:
The mixing function utilizes periodic rotation actions where the motor rotates the container in controlled intervals. This periodic action ensures thorough mixing of samples while allowing the single motor to recover and prepare for the next operation, maintaining operational efficiency without requiring continuous high-power operation
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
The solution simplifies the device structure by using one motor to rotate and mix sample containers, improving operational efficiency and reducing complexity in automated analytical instruments.
Implementation Method 1
a linear actuator having a motor operably connected to a first end of a lead screw... the container engaging member is moveable between a first position and a second position
Implementation Method 2
A nut is threaded onto helical threads on the lead screw. The nut is slidably mounted on the vertical linear guide between the motor and the container engaging member
Data Source
AI summary
Described herein are devices and methods for rotating a container (e.g., a capped tube containing a sample). The disclosure provides devices and methods of rotating a container using one motor, resulting in a less complex device. The device moves and rotates a container rotating member which in turn is used to rotate a container. The devices can be used in automated analytical instruments (e.g., automated blood analyzers) that automatically transport and detect the identity of sample containers. The devices can also be used in instruments that automatically spin sample containers to mix or homogenize the sample.