One-Piece Bed Linen System to Prevent Self-Harm in Healthcare Settings
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Solution Overview
Problem
Existing bed linen systems in hospitals are prone to being used as self-harm devices due to easily accessible attachment points, which can be manipulated by patients, and are difficult for caregivers to change, leading to safety concerns and increased stress on the linen system.
Innovation Solution
A one-piece bed linen system with a quilted panel featuring opposing slits and gussets that fold over the mattress, eliminating the need for attachment points and providing a secure fit that resists removal attempts while allowing easy caregiver access for washing and ventilation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional bed linen systems with attachment points are used, then the linen can be securely attached to the mattress, but the attachment points can be manipulated by patients to form self-harm devices
Solution Approach 1:
The patent removes attachment points entirely from the bed linen system. Instead of having separate sheets and blankets that can be tied or attached, the system uses a single continuous piece of fabric that drapes over the mattress without any knots, ties, or fasteners, thereby eliminating the extraction of harmful attachment mechanisms while maintaining secure positioning through friction and gravity
Solution Approach 2:
The bed linen is designed as a single integrated piece with distinct functional zones (head region, body region, foot region) that are seamlessly connected. This segmentation into functional areas without physical separation points prevents patients from accessing attachment points while maintaining the overall integrity and security of the linen system
2Object-affected harmful factors
If thick materials are used to reduce the ability to form self-harm devices, then safety is improved, but the linen becomes difficult to remove from the mattress
Solution Approach 1:
The patent specifies fabric with a weight range of 8-16 ounces per square yard, which provides sufficient thickness and strength to prevent self-harm device formation while remaining lightweight enough to be easily handled and removed by caregivers. This parameter optimization balances safety requirements with operational ease
3Strength
If multiple runs of stitching or hard plastic rivets are used to securely attach the blanket to the mattress cover, then the union is strengthened, but the stitching creates weak points that can be exploited for self-harm
Solution Approach 1:
The patent completely eliminates stitching, rivets, adhesives, and other attachment mechanisms from the bed linen system. The blanket and mattress cover are designed as a single continuous piece of fabric that maintains its integrity without any joining points, thereby removing the very elements that could create self-harm opportunities while still providing secure attachment through the fabric's interaction with the mattress surface
4Object-affected harmful factors
If portions of the bedsheet cover are folded under the mattress to prevent removal, then patient access is restricted, but the effort required by caregivers to replace the linens becomes unreasonably large
Solution Approach 1:
The patent optimizes the fabric weight to 8-16 ounces per square yard and uses a single-piece construction that provides sufficient friction and drape to remain in place during patient use but allows caregivers to easily grasp and remove the entire linen assembly with minimal effort, achieving both security and efficiency without excessive folding or attachment
Data Source
AI summary
Provided herein is a bed linen system formed from a one-piece panel that includes slits separating a bed sheet portion from a blanket portion and integral gussets that envelop the corners of a mattress. The slits work in conjunction with the gussets to redirect tension from pulling force applied to the blanket towards the center axis of the mattress, thereby making it more difficult to remove the system from the mattress by a user, while allowing the user to ventilate the foot area during use.