Pharmaceutical Storage Retrieval With RFID Access and Inventory Tracking
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Solution Overview
Problem
Modern pharmacies face inefficiencies in inventory management due to open shelving, inaccurate tracking of prescription medication, and unauthorized access, which complicates monitoring and restocking processes.
Innovation Solution
A pharmaceutical storage and retrieval system utilizing RFID credentials for operator identification, barcode scanning for medication tracking, and a multi-mode state to manage prescription stock containers, allowing for secure and efficient dispensing and restocking while integrating seamlessly into existing workflows.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If open shelving is used for bulk pharmaceutical inventory storage, then accessibility and ease of operation are improved, but inventory control accuracy and security deteriorate
Solution Approach 1:
The patent replaces manual mechanical inventory tracking with automated RFID tags and readers that wirelessly communicate inventory status. The system uses electronic identification to automatically track medication containers, eliminating the need for manual counting while maintaining accurate inventory control and security monitoring.
Solution Approach 2:
The patent introduces RFID tags as intermediary elements attached to medication containers, which serve as mediators between the physical inventory and the control system. These tags enable automatic detection and tracking without requiring direct human intervention or visual inspection, resolving the contradiction between accessibility and control accuracy.
2Extent of automation
If automated inventory monitoring systems are used, then inventory tracking is automated, but accuracy deteriorates due to reliance on assumptions
Solution Approach 1:
The patent implements continuous feedback loops where RFID readers constantly monitor the status of medication containers. The system receives real-time feedback about container locations, usage, and restocking needs, allowing for dynamic updates to inventory records without relying on assumptions or periodic manual counts.
Solution Approach 2:
The patent replaces assumption-based automated systems with direct physical measurement through RFID technology. Instead of inferring inventory status from indirect data sources, the system directly detects and records the actual presence and location of medication containers through electromagnetic field interactions.
3Adaptability or versatility
If multiple technicians and pharmacists access inventory on open shelves, then operational flexibility is improved, but security and unauthorized access control deteriorate
Solution Approach 1:
The patent introduces RFID credentials and access control systems as intermediary layers between personnel and the inventory. Authorized users present credentials that mediate their access rights, allowing the system to distinguish between authorized and unauthorized users while maintaining operational flexibility for legitimate staff.
Solution Approach 2:
The patent replaces physical access control (shelves accessible to anyone) with electronic access control systems that use RFID technology. The system electronically verifies user identities and permissions, enabling flexible multi-user operation while securely preventing unauthorized access to pharmaceutical inventory.
4Loss of information
If manual monitoring of medication usage is performed, then detailed tracking is possible, but time consumption and transaction costs increase
Solution Approach 1:
The patent implements self-service tracking where the RFID system automatically monitors and records medication container usage without requiring manual intervention. The system autonomously detects when containers are accessed, tracks usage patterns, and generates restocking alerts, eliminating time-consuming manual monitoring while maintaining comprehensive tracking details.
Solution Approach 2:
The patent replaces manual monitoring processes with automated electronic detection systems. RFID readers automatically detect and record usage events, substituting human observation and record-keeping with electronic sensing and data logging, thereby reducing time consumption while preserving detailed usage information.
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 system improves inventory control, reduces transaction costs, and enhances the speed and accuracy of filling prescriptions by providing secure, flexible, and efficient management of pharmaceuticals, accommodating peak demand fluctuations without requiring significant workflow changes.
Implementation Method 1
Each operator of the pharmaceutical storage and retrieval device is assigned a unique RFID credential (and/or other identification)
Implementation Method 2
The pharmaceutical storage and retrieval device identifies authorized operators through RFID credentials and/or other assigned identification methods
Implementation Method 3
determining the amount of medication dispensed by, for example, calculating the weight of a container from which medication has been dispensed
Data Source
AI summary
A pharmaceutical storage and retrieval system and a method of storing and retrieving pharmaceutical containers from the system. The system includes a pharmaceutical storage and retrieval and a controller operatively coupled to the device to control storage and retrieval functions of the device. The device includes a gantry assembly, a shelving assembly, a user access assembly, and a user authorization system that function in a coordinated manner to carry out the storage and retrieval functions of the device.