Medical Sensor Cover Tab Folding Device
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Solution Overview
Problem
Existing medical sensors face challenges in large-quantity production and handling due to difficulties in easily removing and gripping the cover material, especially under sterile conditions with protective gloves, which increases production costs and complexity.
Innovation Solution
A method and device that create a protruding tab on the cover material by applying an adhesion layer on one side and no layer on another, allowing the cover material to be folded over with a tool having intersecting contact surfaces, enabling easy gripping and reducing production costs by eliminating the need for overlapping sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If overlapping sections are provided to enable easier gripping of the tab, then ease of operation is improved, but manufacturing precision deteriorates due to the need for additional cutting or stamping operations
Solution Approach 1:
The cover material is segmented into a sensor region and a tab region that are spatially separated. The tab is formed by extending the cover material in a direction away from the sensor area, creating a distinct gripping portion that does not require overlapping sections. This segmentation allows the tab to be easily gripped while maintaining clean, single-operation cutting or stamping of the entire sensor component.
2Ease of operation
If the cover material is made easy to remove from the carrier material, then ease of operation is improved, but device complexity increases due to the need for adhesion layer configuration
Solution Approach 1:
The adhesion layer is applied selectively only to the sensor region of the carrier material, leaving the tab region without adhesion layer. This local differentiation allows the cover material to be easily removed from the tab area (improving ease of operation) while maintaining secure bonding in the sensor region. The selective adhesion layer application resolves the contradiction by creating different bonding characteristics in different regions rather than requiring complex overall configuration.
3Manufacturing precision
If multiple cutting operations are used to separate sensors from material web, then manufacturing precision is improved, but productivity deteriorates due to increased production time
Solution Approach 1:
The sensor body and the tab are designed as a single integrated component formed by one cutting or stamping operation. The tab extends from the sensor area without requiring separate cutting steps, merging what would otherwise be multiple manufacturing operations into a single efficient process. This integration maintains manufacturing precision while significantly improving productivity by reducing production time.
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 solution simplifies the production and handling of medical sensors by allowing easy gripping of the tab, even with protective gloves, and reduces production costs by requiring only one cutting operation, enhancing the efficiency of sensor manufacturing and application.
Implementation Method 1
a carrier material (12) having an adhesion or adhesive layer (12A) on one side in a first section and no adhesion or adhesive layer in a second section so that a cover material (4) in a second section which is free from the adhesion or adhesive layer is not stuck to the carrier material
Data Source
AI summary
A method and a device for folding a cover material on a medical sensor having a carrier material which is to be fixed to the skin of a patient and which, on the side facing the patient, is provided with an adhesion or adhesive layer to which the cover material is applied, wherein a section of the cover material which is opposite an adhesion-layer-free section of the carrier material forms a tab. The method and the device are based on the use of a tool for folding the cover material which has at least two contact surfaces which intersect at an edge which runs parallel to the plane of the combination of carrier material and cover material. The tool is moved on an axis which runs at an angle to the plane of the combination of carrier material and cover material in such a way that the tab is gripped by the tool and folded over by the tool. After the tab has been folded over, pressure is applied to the folded-over section of the carrier material to produce a folded edge.