NFC Locking Cap Assembly for Timed Medication Access
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Solution Overview
Problem
Unauthorized access to medical containers or administering medication prior to the scheduled time can harm patient safety, especially for patients who may forget when the last dose was administered.
Innovation Solution
A locking cap assembly with a near field communication (NFC) module, microprocessor, and latching mechanism that allows authorized access only at the designated time for medication administration, ensuring the container is unlocked only within a specified time window.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking cap assembly with NFC module, microprocessor, and latching mechanism is implemented to control authorized access at designated times, then patient safety and medication administration accuracy are improved, but device complexity increases
Solution Approach 1:
The locking cap assembly is divided into distinct functional modules: NFC module for wireless communication, microprocessor for control logic, latching mechanism for mechanical locking, and indicator components. Each module performs a specific function and can be independently manufactured and assembled, reducing overall design complexity while maintaining patient safety through coordinated operation of these segmented components
Solution Approach 2:
The NFC module serves as an intermediary between the user's mobile device and the locking cap assembly, enabling authorized access without direct physical contact or complex authentication mechanisms. The microprocessor acts as an intermediary controller that receives NFC signals, validates authorization, and controls the latching mechanism, simplifying the user interface while ensuring security
2Measurement precision
If the locking cap assembly uses NFC communication and electronic control mechanisms to enforce authorized access, then medication administration timing accuracy is improved, but ease of operation decreases
Solution Approach 1:
The locking cap assembly automatically performs timing validation and authorization checking without requiring user intervention. The microprocessor continuously monitors the current time against scheduled administration times and automatically controls the latching mechanism, eliminating the need for manual timing checks or complex user procedures while maintaining precise timing accuracy
Solution Approach 2:
The traditional mechanical locking system is enhanced with electronic control and NFC communication, replacing manual key-based locking with wireless authentication and electronically controlled latching. This substitution maintains ease of operation through simple proximity-based access while improving timing accuracy through electronic time validation
3Object-affected harmful factors
If the locking cap assembly includes multiple locking vanes and a latching mechanism to secure the container, then unauthorized access prevention is improved, but ease of manufacture decreases
Solution Approach 1:
The locking mechanism is segmented into multiple independent locking vanes that can be manufactured separately and then assembled into the locking cap assembly. Each vane is a simple geometric component that can be produced using standard manufacturing processes, and their modular arrangement allows for easy assembly while providing comprehensive locking coverage to prevent unauthorized access
Solution Approach 2:
Instead of using a complex single-piece locking mechanism, the design uses multiple simple locking vanes that work collectively to provide secure locking. The complexity is distributed across multiple identical or similar components rather than concentrated in a single complex structure, making manufacturing easier while maintaining security effectiveness
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances patient safety by preventing unauthorized access and ensuring medication is administered at the correct time, reducing the risk of accidental overdosing.
Implementation Method 1
a near field communication (NFC) module configured to wirelessly receive a NFC input
Implementation Method 2
an inductive charging coil
Data Source
AI summary
A locking cap assembly includes an upper housing; a lower housing rotatably connected to the upper housing and configured to be fitted onto a container; a near field communication (NFC) module configured to wirelessly receive a NFC input; an inductive charging coil; a microprocessor; and a latching mechanism, the latching mechanism includes a locking latch configured to prevent the upper housing and the lower housing from rotating with respect to each other; and an electrical actuation component configured to lock and unlock the latch and a current generated by the inductive charging coil. The lower housing includes a plurality of locking vanes within the lower housing, the locking vanes being configured to variably define an inner diameter size of the lower housing responsive to a rotation of the upper housing with respect to the lower housing when the lower housing is mechanically engaged with the container.