Code-Based Drawer Locking System for Medical Supply Units
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Solution Overview
Problem
Existing drawer block systems for medical supply units lack flexibility in arrangement and secure access, as they often require physical keys or fixed configurations, preventing ergonomic and adaptable setups.
Innovation Solution
A support system with a drawer block that incorporates a receiver assembly, fastening mechanism, and a code-based locking system, allowing for flexible attachment to a carrier system and secure access via a code input device, enabling adjustable and secure drawer arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical lock with key is used, then secure access is achieved, but flexibility and ease of operation are reduced due to key duplication requirements and restricted access
Solution Approach 1:
The patent replaces the traditional mechanical key-based locking system with an electronic locking mechanism. The locking device includes an electronic lock that can be unlocked by entering a correct code through a code input device, eliminating the need for physical key duplication and distribution. This substitution of mechanical system with electronic system maintains security while significantly improving ease of operation.
Solution Approach 2:
Instead of copying physical keys, the system uses code duplication. Multiple authorized users can be assigned different access codes that are stored in a database. The locking device verifies these codes electronically, allowing secure access without the need to physically duplicate keys for each authorized person.
2Device complexity
If drawers are housed in a single case with fixed arrangement, then structural simplicity is maintained, but adaptability and ergonomic arrangement are prevented
Solution Approach 1:
The patent divides the drawer system into separate, modular drawer units that can be independently attached to and removed from the carrier system. Each drawer can be configured separately, allowing different drawer types (e.g., deep drawers for instruments, shallow drawers for supplies) to be arranged in various configurations based on ergonomic needs and space requirements.
Solution Approach 2:
The system transitions from a static, fixed arrangement to a dynamic, reconfigurable structure. Drawers can be easily attached, detached, and repositioned on the carrier system without complex tools or procedures. This dynamic configuration allows the drawer arrangement to adapt to changing ergonomic requirements and workspace conditions.
3Ease of operation
If a code-based locking system is implemented, then ease of operation is improved, but device complexity increases due to electronic components and code management
Solution Approach 1:
The electronic locking device serves multiple functions: it provides secure access control, stores multiple user codes in a database, verifies codes electronically, and can be integrated with the carrier system's power and control systems. By consolidating these multiple functions into a single electronic locking unit, the system manages complexity while maintaining ease of operation.
Data Source
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AI summary
A locking system for a drawer unit for a carrier system (1) is provided, wherein the drawer unit (2) has at least one drawer receptacle (6) and at least one drawer (11). The drawer (11) has a locking device (12), and the drawer receptacle (6) has a latch (15) to lock the drawer (11) in the drawer receptacle (6). The drawer receptacle (6) further has a fastening mechanism (3) by which the drawer unit (2) can be attached to the carrier system (1), and the drawer unit (2) is provided with a receiver assembly (21) that is electrically connected to the actuator (17). The receiver assembly (21) is configured to convert a received opening signal into an opening command to the actuator (17). Thus, the drawer unit (2) can be attached to the carrier system at any suitable position and opened using a code.