System with modular drawer structures

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Solution Overview

Problem

Current medical drawer structures lack adequate security and traceability during the transport and administration of medications, often requiring mechanical keys and not being designed for direct docking with dispensing systems, which increases the risk of medication errors and unauthorized access.

Innovation Solution

A modular drawer structure with a keypad or card swipe access system that locks and unlocks based on a stored passcode, providing secure access and traceability, and automatically relocks if unattended, integrated into a mobile cart system for enhanced security and mobility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If mechanical key locks are used in traditional drawer structures, then the device complexity is reduced, but security and traceability during medication transport are insufficient

Engineering Contradiction:
Improvesecurity and traceabilityVSAvoidaccess control system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces mechanical key locks with electronic access control systems including keypads, card readers, or biometric scanners. This substitution provides enhanced security through electronic authentication and traceability via access logging, while maintaining operational simplicity through user-friendly interfaces.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The drawer structure incorporates automatic locking mechanisms that engage when the drawer is closed and automatically log access events. The system self-manages security protocols and maintains access records without requiring external intervention, enhancing both security and traceability.

Inventive Principle:
Principle #25Self-service

2Reliability

If drawers are designed for secure locking, then unauthorized access is prevented, but the drawers cannot be easily docked with dispensing systems

Engineering Contradiction:
Improveaccess securityVSAvoiddocking compatibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The drawer structure is designed with universal docking interfaces that are compatible with various dispensing systems while maintaining integrated security features. The drawer serves multiple functions: secure storage, automated locking, access logging, and seamless integration with dispensing mechanisms, enhancing both security and adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the security locking mechanism with the docking interface into an integrated system. The drawer structure merges secure enclosure, electronic locking, access tracking, and dispensing system compatibility into a unified design, allowing enhanced security without compromising docking versatility.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If traditional trays are used without integrated security, then the device complexity is low, but security during transport and storage is inadequate

Engineering Contradiction:
Improvetransport securityVSAvoiddrawer structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The traditional tray structure is nested within a secure drawer housing that provides integrated security features. The tray remains simple and functional while being enclosed in a drawer with electronic locking, access control, and tracking capabilities, enhancing transport security without significantly increasing overall complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

Security features are applied locally to the drawer housing and locking mechanisms rather than requiring the entire tray structure to be complex. The simple tray design is maintained for ease of use, while enhanced security is implemented in specific critical areas through integrated electronic locking and monitoring systems.

Inventive Principle:
Principle #3Local quality

4Loss of information

If passcode access systems are implemented, then traceability is improved, but the ease of operation is reduced

Engineering Contradiction:
Improveaccess traceabilityVSAvoidaccess operation simplicity
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The patent replaces complex manual authentication processes with electronic access systems including keypads, card readers, or biometric scanners. These systems provide accurate traceability through automated logging while maintaining ease of operation through intuitive interfaces and quick authentication methods.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The access control system automatically logs all access events, user identities, and timestamps without requiring manual record-keeping. This self-service logging enhances traceability while simplifying operation, as users simply need to authenticate rather than manually document their access.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP2697462B1System with modular drawer structures
Publication Date: 2019.06.26 GCX CORP
  • EP2697462B1 patent drawingFigure 1
  • EP2697462B1 patent drawingFigure 2
  • EP2697462B1 patent drawingFigure 3

AI summary

A modular drawer structure comprises a housing having an interior volume defined therein, and a drawer comprising one or more compartments, wherein the drawer is slidably movable with respect to the interior volume of the housing between a first closed position, wherein the compartments are enclosed within the interior volume, and a second open position, wherein the compartments are at least partially accessible. The drawer structure further comprises a mechanism for controllably locking the drawer in the first closed position, an access pad, e.g. such as but not limited to a keypad and/or a card swipe pad, for entry of a passcode, and a processor for unlocking the drawer when an entered passcode matches a stored passcode value. Some embodiments of the drawer structure include a stored time threshold, wherein if the drawer is unlocked for a time that meets or exceeds the stored time threshold, the drawer is relocked.