Modular Dispensing Conveyors for Pharmacy Verification Throughput
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Solution Overview
Problem
Existing product dispensing systems, particularly for smaller pharmacies, lack efficiency, flexibility, and space optimization, as they require manual intervention at multiple stations and cannot easily reconfigure to meet varying throughput needs.
Innovation Solution
A modular and scalable system integrating automated and manual dispensing stations with a central conveyor assembly and crossover conveyors, allowing direct routing of completed orders to verification without waiting at additional stations, and enabling easy configuration and reconfiguration to fit available space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a sequential multi-station system is used, then all dispensing functions can be provided, but the throughput speed is limited due to the need for each tote to stop at every station
Solution Approach 1:
The system segments the dispensing process into multiple independent functional stations (robot dispensing, manual dispensing, verification, packaging) that operate in parallel rather than sequence. Each station processes specific functions independently, allowing totes to move through the system without stopping at every station, thereby increasing throughput while maintaining comprehensive dispensing capabilities
Solution Approach 2:
The system implements dynamic routing where totes can be directed to different stations based on their specific dispensing requirements. The conveyor system can dynamically route totes through optimal paths, and stations can dynamically adjust their operation based on tote arrival and processing needs, enabling flexible high-speed processing
2Adaptability or versatility
If a sequential multi-station system is used, then all dispensing functions can be provided, but manual intervention is required at each station
Solution Approach 1:
The system segments operations into automated and manual functions, with robotic dispensing units handling automated product dispensing and separate manual stations handling requiring human judgment. This segmentation allows automated functions to operate independently without requiring manual intervention at every station, improving ease of operation while maintaining comprehensive functionality
Solution Approach 2:
The robotic dispensing units and conveyor system perform self-service functions including automatic tote transport, product dispensing, and routing decisions. The system uses sensors and control systems to automatically manage its own operations, reducing the need for manual intervention at each station while maintaining all necessary dispensing functions
3Adaptability or versatility
If a sequential multi-station system is used, then all dispensing functions can be provided, but the floor space required is substantial
Solution Approach 1:
The system transitions from a sequential linear arrangement to a multi-level three-dimensional configuration. Conveyor systems operate on multiple levels (first level, second level, third level) with vertical stacking of functional zones, allowing comprehensive dispensing functions to be provided in a compact footprint that utilizes vertical space rather than requiring substantial floor area
4Adaptability or versatility
If a sequential multi-station system is used, then all dispensing functions can be provided, but the system is not easily reconfigured
Solution Approach 1:
The system is divided into modular, independently functional stations (robot dispensing module, manual dispensing module, verification module, packaging module) that can be individually added, removed, or repositioned. This modular segmentation allows the system to be easily reconfigured to accommodate changing dispensing requirements without requiring redesign of the entire system
Solution Approach 2:
The conveyor system and station interfaces are designed with universal connectivity and standardized interfaces that allow different station types to be interchangeably configured. The system can accommodate various combinations of automated and manual stations, and the same infrastructure supports multiple functional configurations, making reconfiguration simple and flexible
Data Source
AI summary
A modular, scalable prescription dispensing and verification system includes a four-tiered central conveyor, dispensing control system with stored patient orders for creating dispensing and routing itineraries, carriers transporting itineraries and dispensed medications, induction station, pairs of processing stations divided by the conveyor, including automated and manual dispensing, verification, cold chain, and ambient packaging. Crossover conveyors transport carriers between dispensing station pair members for dispensing multiple products per station pair. One conveyor tier returns empty carriers to induction, another transports carriers from each dispensing station to verification, then to packaging, another transports carriers from induction to dispensing, then to additional dispensing, another conveys carriers from induction to dispensing stations. Carrier stops halt carriers at stations for removal for processing, replacement, and transport to the next station, or deposit on another tier and transport to a different station. The system may include two conveyor modules, one for refrigerated or ambient unit-of-use items, another for ambient countables.