Dual Controller Medication Dispenser for Uninterrupted Dosing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing medication dispensing devices lack reliability and flexibility, particularly in scenarios where one or both control components fail, leading to potential disruptions in medication delivery and increased risk of errors or missed doses.
Innovation Solution
A medication dispensing device with a primary controller and secondary controller, enabling flexible operation and mutual monitoring, allowing essential functions like medication dispensing to continue even if the secondary control device fails. The device includes a transport mechanism for blister packs, a barcode reader for verification, and a dual power supply system to ensure continuous operation during power grid failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single control device is used to control the medication dispensing device, then the device complexity is reduced, but the reliability decreases because the entire system fails if the control device fails
Solution Approach 1:
The control system is divided into a primary control device and a secondary control device, each capable of independently controlling the medication dispensing functions. This segmentation allows the system to maintain operational reliability even if one control device fails, as the other can continue to manage dispensing operations.
Solution Approach 2:
The system incorporates a backup control device that stands ready to take over if the primary control device fails. This beforehand cushioning approach ensures that control functionality is preserved without requiring complex real-time failover mechanisms, as the secondary device is pre-configured to assume control responsibilities.
2Reliability
If a secondary control device is added for redundancy, then the reliability improves, but the device complexity increases
Solution Approach 1:
Both the primary and secondary control devices are designed with universal functionality to control all medication dispensing operations. This multi-functionality allows either device to independently manage the entire dispensing process, reducing the need for specialized subsystems and minimizing overall system complexity despite having redundant control capabilities.
3Reliability
If the control device remains continuously active to ensure immediate response, then the reliability is maintained, but the energy consumption increases
Solution Approach 1:
The secondary control device operates in a periodic manner, remaining in a low-power state and activating only when needed to take over from the primary control device. This periodic activation pattern maintains system reliability by ensuring the backup is available when required while significantly reducing energy consumption compared to continuous operation.
4Productivity
If the device dispenses all stored medication during power outage, then the productivity is maintained, but the loss of substance increases due to unnecessary dispensing
Solution Approach 1:
The system incorporates feedback mechanisms that monitor power restoration status and dispensing conditions. This feedback allows the control device to intelligently determine when to resume normal dispensing operations versus when to maintain emergency dispensing mode, preventing unnecessary medication waste while ensuring continuous productivity during power outages.
Data Source
Figure 1~3
Figure 4~5
Figure 6~7
AI summary
Device for dispensing medication, wherein the device comprises a primary control device for controlling at least one first component of the device and a secondary control device for controlling at least one second component of the device.