Medical Drape Tool-Less Removal via Perforated Adhesive Scoreline
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current medical drapes are difficult to remove without causing injury or contamination, as they often require scissors or result in uneven, forceful tearing, which can breach the sterile field and damage equipment or instruments.
Innovation Solution
A medical drape system featuring a tool-less removal method with an adhesive tape strip partially severed through its thickness, allowing for easy tearing without tools and maintaining a sterile seal during removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If scissors are used to cut the medical drape from an exterior edge to a fenestration, then the drape can be removed, but it causes injury to the patient or user, and can cause damage by cutting catheter or intravenous lines
Solution Approach 1:
The harmful cutting function is extracted from the drape removal process. Instead of using scissors to cut through the drape material near the patient, a pre-formed tear line with perforations is provided that allows the drape to be separated by pulling motion only, eliminating the need for cutting tools and the associated risks of injury and contamination.
Solution Approach 2:
The tear line with perforations is prepared in advance during drape manufacturing. The perforations are pre-formed along the desired separation path, so that when removal is needed, the user simply needs to pull the drape along the pre-prepared tear line, eliminating the need for on-site cutting actions that pose safety risks.
2Ease of operation
If perforations are provided that pass completely through the drape to form a scoreline, then the drape can be pulled apart by hand, but the sterile field is reduced because microorganisms can easily pass through the perforations
Solution Approach 1:
The perforations are not distributed uniformly throughout the drape but are localized to specific regions. The tear line includes perforations that allow separation, while other areas of the drape maintain their integrity and sterile barrier function. This localized perforation approach enables tool-less removal at the tear line while preserving sterile field maintenance in other critical areas.
3Ease of operation
If a scoreline is provided for easy tearing, then removal should be simple, but the scoreline does not allow an easy or clean tear requiring numerous attempts and excessive force
Solution Approach 1:
The tear line is segmented into multiple perforations spaced along the separation path. These perforations create discrete weak points that guide the tear progression, allowing the drape to separate in a controlled manner through sequential failure of each perforation segment rather than requiring a single clean break, thus enabling easy one-handed removal.
4Ease of operation
If excessive force is applied to complete the tear, then the drape can be removed, but contaminants may breach the sterile field and medical instruments may fall or cause injury
Solution Approach 1:
The tear line with perforations is prepared in advance during manufacturing to require minimal separation force. By pre-creating the perforations along the tear path, the drape is designed to separate with light pulling motion rather than requiring excessive force, thereby eliminating the risks associated with forceful removal such as contaminant breach, instrument displacement, or injury.
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
Enables safe, clean, and effortless removal of medical drapes with minimal force, reducing the risk of contamination and injury, while maintaining the integrity of the sterile field.
Implementation Method 1
The adhesive tape strip is securely fixed to one side of the drape cut and is removably attached to the other (adjacent) side of the drape cut
Data Source
AI summary
A medical drape has a tool-less removal feature and includes a drape material, a drape cut, an adhesive tape strip, and a scoreline. The drape material has a top side, a back side, and at least one exterior edge. The drape cut has a starting point at the exterior edge and extends completely through the thickness of the drape material. The adhesive tape strip is positioned along the length of the drape cut to overlap at least a portion of the drape material on both sides of the drape cut to initially secure the two adjoining cut edges to each other. The scoreline extends along the length of the adhesive tape strip and only partially through the thickness of the adhesive tape strip to permit easy tearing of the adhesive tape strip for separation of the two adjoining cut edges.