Medical Device Packaging Labels With Controlled Tear Stops
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Solution Overview
Problem
Existing labeling and packaging systems for medical devices face challenges in ensuring user-friendly opening while maintaining sterility, as direct labels can be difficult to remove without damaging the packaging and tear lines may lead to accidental tearing and spillage.
Innovation Solution
A labeling and packaging system featuring a primary packaging with a top and bottom seam, a label system with handles and a controlled tear line, and a tear stop to facilitate controlled separation, ensuring access to the medical device while maintaining sterility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If tear lines are incorporated into the primary packaging to facilitate opening, then ease of opening is improved, but the risk of accidental tearing and damage to packaging increases
Solution Approach 1:
The packaging opening system is segmented into distinct functional components: a label system with handles for user interaction, a controlled tear line for guided separation, and a tear stop feature to prevent excessive tearing. This segmentation allows each component to perform its specific function while controlling the overall opening process to prevent accidental damage.
Solution Approach 2:
The label system acts as an intermediary between the user and the packaging. It provides handles that users can grasp and a tear line that guides the opening process. The tear stop feature serves as an intermediary barrier that prevents the tear from extending beyond the intended path, thus protecting against accidental damage while facilitating controlled opening.
2Loss of information
If labels are applied directly onto the primary packaging, then information provision is improved, but difficulty of removal without damaging packaging increases
Solution Approach 1:
The label system is designed as a separate, removable component rather than being permanently integrated into the packaging. The label can be detached from the packaging surface through the tear line mechanism, allowing information to be provided while enabling easy removal without damaging the packaging structure.
3Ease of operation
If tear lines extend across the entire packaging, then ease of opening is improved, but loss of sterility due to accidental tearing increases
Solution Approach 1:
The tear line extends only partially across the packaging to the tear stop feature, not across the entire packaging surface. This partial extension provides sufficient guidance for opening while preventing excessive tearing that could compromise sterility. The tear stop feature explicitly limits the tear path to maintain the sterile barrier.
Solution Approach 2:
The tear stop feature acts as an intermediary barrier that interrupts the tear line before it can extend far enough to compromise the sterile packaging barrier. This intermediary element allows the tear line to provide opening guidance while preventing the harmful effect of sterility loss through accidental or excessive tearing.
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
The system allows for easy, controlled opening of the packaging to access the medical device without compromising sterility, preventing accidental tearing and spillage, and facilitating secure handling and disposal.
Implementation Method 1
a tear line extending longitudinally from the top edge of the first body, between the first right handle and the first left handle, the tear line having a distance (d) that is less than the length (L) of the first body, the tear line configured to facilitate separation there along when the first right handle is urged in an opposite direction from the first left handle
Implementation Method 2
the rear surface is coupled to the front surface of the primary packaging by one or more of adhesive sealing, mechanical sealing, energized sealing, heat sealing, and ultrasonic welding
Implementation Method 3
the tear stop includes a reinforcement displaying an increased tensile strength to prevent further separation of the first body
Data Source
AI summary
Labeling and packaging systems include a primary packaging with a top seam and a bottom seam, and enclosing a medical device within its interior cavity. The system further comprises a label system, which consists of a first body with a front surface and a rear surface, extending over a frontal plane and attached to the front surface of the primary packaging. Additionally, the label system includes a first right handle and a first left handle, both attached to the top edge of the first body. A tear line extends longitudinally from the top edge of the first body, and is disposed between the right handle and the left handle. The tear line has a distance (d) that is less than a length (L) of the first body. The tear line is designed to facilitate separation when the right handle is pulled in the opposite direction from the left handle.