Closure Device Non-Stick Coating for Dressing Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Wound closure devices face issues with premature loss of adhesion due to strong adhesion between wound dressings and closure devices, leading to inadequate closure force and healing, as wound dressings can remove the closure device before the wound is fully healed.
Innovation Solution
Applying a low friction or non-stick coating to the closure device, such as a non-stick fluoropolymer coating or sacrificial cover strips with varying adhesive properties, to prevent adherence of wound dressings while maintaining adhesion to the skin, allowing for easy removal of dressings without dislodging the closure device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a wound dressing with skin adhesive is applied over the closure device, then the wound dressing adheres strongly to the closure device, but the closure device may be removed from the skin prematurely before the wound is fully healed
Solution Approach 1:
A protective layer is applied to the closure device as an intermediary barrier between the wound dressing adhesive and the closure device surface. This protective layer allows the wound dressing to adhere to it without causing the closure device to adhere to the skin, thus preventing premature removal while maintaining wound dressing security.
Solution Approach 2:
The solution segments the adhesion function into two separate interfaces: one interface between the protective layer and the closure device (designed to resist adhesive bonding), and another interface between the closure device and the skin (maintaining secure adhesion). This segmentation allows independent optimization of each interface's properties.
2Stability of the object's composition
If the wound dressing adheres strongly to the closure device, then the wound dressing remains in place, but removal of the wound dressing can dislodge the closure device from the skin
Solution Approach 1:
The protective layer serves as a mediator that absorbs the adhesive force of the wound dressing, preventing this force from transferring to the closure device-skin interface. This allows the wound dressing to be stable during wear while ensuring clean removal without compromising closure device adhesion strength.
Solution Approach 2:
The protective layer is applied beforehand to the closure device to cushion or buffer against the adhesive forces that will be applied when the wound dressing is placed over it. This pre-positioned barrier prevents the adhesive from directly bonding to the closure device, thus preventing subsequent damage during removal.
3Ease of operation
If the closure device surface is made non-stick to prevent dressing adhesion, then the wound dressing can be removed easily, but the closure device may not adhere properly to the skin
Solution Approach 1:
The protective layer is applied locally to specific areas of the closure device where the wound dressing would contact it, while leaving other areas of the closure device with their original adhesive properties intact for proper skin adhesion. This local application ensures non-stick properties only where needed for dressing removal.
Solution Approach 2:
The protective layer acts as a localized intermediary that provides non-stick properties only at the interface between the wound dressing and closure device, while the rest of the closure device maintains its adhesive characteristics for reliable skin bonding. This selective mediation resolves the contradiction between ease of removal and adhesion reliability.
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 ensures that the closure device remains adhered to the skin while allowing for the removal of wound dressings without disrupting the healing process, maintaining adequate closure force and preventing distraction forces from affecting wound healing.
Implementation Method 1
Applying a low friction or non-stick coating to the closure device, such as a non-stick fluoropolymer coating
Implementation Method 2
sacrificial cover strips with varying adhesive properties, to prevent adherence of wound dressings while maintaining adhesion to the skin
Data Source
AI summary
A wound dressing for use with a closure device is disclosed. The first and second base panels of the closure device are positioned on opposite lateral sides of a wound or incision. The base panels are coupled together to maintain wound or incision closure. A release liner is removed from a bottom surface of the wound dressing. The wound dressing is positioned over the closure device and the wound or incision. Exudate is absorbed by an absorbent material of the wound dressing through a porous strip of the wound dressing. The wound dressing is slightly larger than the closure device so that its perimeter area is adhered to the skin area around the closure device. Alternatively or in combination, the wound dressing is lightly adhered to the closure device and wound or incision area so that it can be removed without harming the underlying device and tissues.