Medication Inventory Tracking with Barcode Segmentation

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Solution Overview

Problem

Current medication inventory systems lack accurate tracking and periodic reporting, leading to potential drug shortages and delays in emergency situations due to theft and diversion, especially in hospitals and medical facilities, where inventory counts are often inaccurate and not regularly updated.

Innovation Solution

A medication identification and inventory control system that uses a server with programmable instructions to track medications from manufacturer to usage, employing QR or bar codes for accurate tracking, generating periodic reports on usage, breakage, waste, and expiration, and allowing access through mobile and desktop devices, with features like tamper-evident bags for enhanced security and accountability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If batch inventory counts are performed, then labor time is reduced, but measurement precision deteriorates leading to inaccurate drug counts

Engineering Contradiction:

Improvelabor time for inventory countsVSAvoidaccuracy of drug counts

Core Design Contradiction:

Loss of timeVSMeasurement precision

Solution Approach 1:

The inventory counting process is segmented into individual drug units rather than batch processing. Each medication container has a unique identifier (barcode, RFID tag, or QR code) that can be scanned and tracked individually, allowing precise counting of each item while maintaining efficient workflow through automated scanning technology.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Manual counting methods are replaced with automated scanning systems using barcodes, RFID tags, or QR codes. The system automatically detects and records medication inventory levels through electronic scanning, eliminating manual counting errors and providing real-time accurate data without increasing labor time significantly.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If periodic inventory tracking is implemented, then reliability of medication availability improves, but device complexity increases

Engineering Contradiction:

Improveaccuracy of medication availability recordsVSAvoidsystem complexity for tracking

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system uses universal identification technologies (barcodes, RFID tags, QR codes) that can be applied to any medication type and container size. The same scanning interface and database structure handle diverse medication categories, making the system adaptable and reliable without requiring separate tracking mechanisms for different drug types.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

A centralized database server acts as an intermediary between various scanning devices and the inventory management system. The server consolidates data from multiple sources, processes information centrally, and provides accurate real-time inventory status, simplifying the overall system architecture while maintaining high reliability through centralized control and data validation.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of operation

If manual inventory counting is performed, then ease of operation is maintained, but loss of information increases due to theft and diversion going undetected

Engineering Contradiction:

Improvesimplicity of inventory processVSAvoidundetected medication theft and diversion

Core Design Contradiction:

Ease of operationVSLoss of information

Solution Approach 1:

The system provides continuous feedback by automatically tracking and recording every medication dispensing event, inventory change, and usage occurrence. The database maintains a complete audit trail that can be queried to detect unusual patterns, such as unexpected inventory depletion or unauthorized access, enabling timely detection of theft or diversion while maintaining simple operation through automated monitoring.

Inventive Principle:

Principle #23Feedback

4Reliability

If comprehensive tracking from manufacturer to usage is implemented, then reliability of inventory data improves, but loss of time in data collection increases

Engineering Contradiction:

Improveaccuracy of inventory trackingVSAvoidtime for data collection and entry

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

Unique identifiers (barcodes, RFID tags, QR codes) are pre-applied to medication containers during manufacturing or before distribution. This preliminary tagging enables automatic identification and tracking throughout the entire supply chain without requiring manual data entry at each transfer point, maintaining comprehensive tracking reliability while minimizing data collection time through pre-prepared identification markers.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS10528911B1Medication identification and inventory control system

Publication Date: 2020.01.07 LASTER BOBBY J

AI summary

A system and a method for medication identification and inventory control is disclosed. The disclosed system and method were designed to track specified medications' (e.g., narcotics and controlled substances) inventory from manufacturer's lot number all the way to the use/waste stage of the medications and to provide periodic reports and notifications on the medications' usage, breakage, waste and expiration. Further, the disclosed system and method utilizes tamper evident bags with unique identifier to protect and keep accurate track of the medications.