Locking Medical Supply Drawers With Access Logging

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Solution Overview

Problem

Current medical supply storage systems lack effective security measures to prevent unauthorized access, misuse, and theft, while also failing to record and monitor access attempts.

Innovation Solution

A cabinet system with secured drawers that include a locking mechanism, electronic memory for storing movement data, and a cover monitoring device, which connects to a data bus and triggers an alarm for unauthorized access attempts, allowing for controlled access and data logging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a locking mechanism is added to secure drawers, then security against unauthorized access is improved, but device complexity increases

Engineering Contradiction:
ImprovesecurityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The locking mechanism is integrated within the drawer assembly itself, with the lock positioned inside the drawer body and the locking surface on the drawer front. This nested arrangement allows the locking function to be incorporated without adding external complexity to the overall cabinet structure, resolving the contradiction between security and device complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Loss of information

If electronic memory and monitoring devices are added to track drawer movement, then monitoring capability is improved, but device complexity increases

Engineering Contradiction:
Improvemonitoring capabilityVSAvoiddevice complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The electronic memory, monitoring device, and alarm system are merged into an integrated assembly that is incorporated within the drawer structure. The monitoring device is positioned to detect drawer movement directly, and the alarm is embedded in the drawer front. This consolidation allows comprehensive monitoring capability while minimizing the addition of separate external components, thereby reducing overall device complexity.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If secured drawers with covers are used, then security against theft is improved, but ease of operation deteriorates

Engineering Contradiction:
ImprovesecurityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The cover is pre-positioned in the closed position and spring-loaded to automatically return to the closed state after opening. This preliminary positioning and spring mechanism reduce the operational effort required, as the cover naturally returns to its secure position without manual intervention, thereby improving ease of operation while maintaining security.

Inventive Principle:
Principle #10Preliminary action

4Reliability

If multiple secured drawers are implemented, then security coverage is improved, but device complexity increases

Engineering Contradiction:
Improvesecurity coverageVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The locking mechanism and monitoring assembly are designed as universal components that can be applied to multiple drawers using the same structure. The lock, cover, and electronic monitoring elements are standardized across all drawers, allowing the same design to provide security coverage for multiple compartments without proportionally increasing overall system complexity.

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

Data Source

PatentUS8588966B2Cabinet system
Publication Date: 2013.11.19 ARXIUM INC
  • US8588966B2 patent drawing
  • US8588966B2 patent drawing
  • US8588966B2 patent drawing

AI summary

A cabinet system for securely storing items includes a cabinet housing, a controller, and at least one drawer unit. The cabinet housing has a locking mechanism, and the controller is in communication with the cabinet housing and configured to operate the locking mechanism. The drawer unit is designed to be releasably locked at least partially within the cabinet housing by the locking mechanism, and slidable within a portion of the cabinet housing when released by the locking mechanism. The drawer unit includes at least one storage compartment, a cover, memory, and a power source. The storage compartment is configured to store at least one item therein. The cover is movable to an open configuration and a closed configuration. When the cover is in the closed configuration, the cover limits access to the item of the storage compartment. The memory is powered by the power source and is configured to store data associated with a movement of the cover.