Electrochemical Test Strip Protrusions Prevent Adhesive Squeeze-Out
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Solution Overview
Problem
Conventional electrochemical test strips adhere together due to exposed adhesive during the pressing process, making them difficult to separate and use effectively.
Innovation Solution
The electrochemical test strips feature protrusions on their long sides, which reduce the likelihood of adhesive squeeze-out by altering the impact distribution and contact area, preventing adhesion between strips and the container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional pressing molding technique is used to manufacture electrochemical test strips, then manufacturing efficiency is improved, but adhesive is exposed and squeezed out during the pressing process, causing the test strips to adhere together and become difficult to separate
Solution Approach 1:
The patent applies local quality by adding protrusions only at specific locations (long sides) of the test strip structure, rather than modifying the entire strip. These protrusions create localized air gaps that prevent adhesive squeeze-out at the critical areas where adhesion problems occur, while maintaining the overall pressing process efficiency.
Solution Approach 2:
The protrusions segment the continuous adhesive layer into discrete sections, creating physical barriers that prevent the adhesive from flowing continuously along the long sides of the test strips. This segmentation effect stops the adhesive from creating continuous bonds between adjacent strips, making separation easier.
2Strength
If adhesive layers are used to adhere components together in electrochemical test strips, then structural integrity is improved, but adhesive is squeezed out during pressing, causing harmful adhesion between strips and container
Solution Approach 1:
The protrusions are designed in advance to counteract the harmful effect of adhesive squeeze-out before it occurs. By creating air gaps at the long sides where pressing force is applied, the protrusions prevent the adhesive from being forced outward, thereby eliminating the root cause of the adhesion problem between strips and container.
Solution Approach 2:
The protrusions extract or remove the problematic adhesive material from the critical zones by creating physical separation through air gaps. This prevents the adhesive from reaching the surfaces where it would cause unwanted adhesion, effectively taking out the harmful factor from the system.
Data Source
AI summary
Provided is an electrochemical test strip, including: a sampling end disposed on a wide side of the electrochemical test strip to receive a sample; a connection end disposed on another wide side of the electrochemical test strip to connect with a measuring meter; and at least one protrusion disposed on a long side of the electrochemical test strip. A strip board and method for generating the electrochemical test strip are further provided.