Self-Locking Packaging System for Child-Resistant Access
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing packaging solutions for healthcare and consumer goods face challenges in providing secure, senior-friendly, and child-resistant access while maintaining durability and minimizing costs, with existing mechanisms often requiring dexterity and being prone to failure with repeated use.
Innovation Solution
A packaging system featuring a primary package with a retention tab hingedly connected to a main body panel, incorporating embossments and a cover sheet, which is lockably received within an outer sleeve, allowing for secure locking and unlocking mechanisms to prevent unauthorized access while facilitating easy user access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism is provided on the outer sleeve to permit release of the inner slide card, then child resistance is improved, but the package becomes more complex and harder to operate for seniors
Solution Approach 1:
The package is designed so that the locking mechanism automatically engages when the inner slide card is inserted into the outer sleeve, and automatically disengages when the inner slide card is removed. This self-locking and self-unlocking behavior eliminates the need for separate locking/unlocking operations, making the package both child-resistant and senior-friendly
Solution Approach 2:
The package is divided into two functional components: the outer sleeve that provides structural support and the inner slide card that holds the medication. The locking function is segmented into the interaction between these two components, where the inner card's presence automatically triggers engagement with the outer sleeve, providing child resistance without requiring active user intervention
2Reliability
If the package is designed to be re-opened and re-locked many times, then durability is improved, but the complexity of the locking mechanism increases
Solution Approach 1:
The locking mechanism is designed to automatically engage and disengage through the simple act of inserting or removing the inner slide card from the outer sleeve. This eliminates the need for separate locking and unlocking actions, allowing the package to be opened and closed repeatedly without wearing out complex mechanical components
Solution Approach 2:
The locking function is extracted from a separate mechanism and integrated into the basic insertion/removal action itself. The act of sliding the inner card in or out automatically performs the locking and unlocking functions, eliminating the need for additional locking components and reducing overall system complexity
3Loss of information
If clearly printed information is provided on the package, then patient information delivery is improved, but the package size increases leading to higher production and shipping costs
Solution Approach 1:
The outer sleeve serves multiple functions: it provides structural support for the package, acts as a locking mechanism when engaged with the inner slide card, and serves as a communication medium for delivering patient information through clearly printed instructions and pill calendar indicators. This multi-functionality allows comprehensive information delivery without proportionally increasing package size
Data Source
Figure 1-1
Figure 1-2
Figure 1-3
AI summary
A primary package (10; 110; 210; 310; 510; 610; 810) for being lockably received in an outer sleeve (700), the primary package comprising a main body panel (12; 112; 212; 312; 512; 612; 812) and a retention tab (14; 114; 214; 314; 512; 612; 812) hingedly connected together along a fold line (17; 117; 217; 317; 517; 617; 817), the retention tab having at least one embossment (18; 118; 218; 318; 518; 618; 818), the fold line having been integrally formed in the primary package.