Hospital Bed Siderail Structure for Headboard Gap Reduction
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Solution Overview
Problem
Hospital beds with adjustable width configurations face challenges in maintaining a safe gap between siderails and the headboard, particularly when transitioning between narrower and wider settings, which can create entrapment risks for patients, especially children.
Innovation Solution
The hospital bed incorporates a medially extending portion on the siderail that overlaps with the endboard, minimizing the gap between the siderail and the headboard in the extended configuration, while allowing the bed to maintain a narrow configuration for easy passage through doorways.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the bed width is increased to accommodate bariatric patients, then the patient comfort and safety are improved, but a gap is created between the siderails and headboard that may pose entrapment risks
Solution Approach 1:
The siderail is divided into multiple segments including a main body portion and a medially extending portion. The medially extending portion can be positioned to bridge the gap between the headboard and main body portion, effectively segmenting the siderail structure to eliminate harmful gaps while maintaining bed width adjustability
Solution Approach 2:
The medially extending portion acts as an intermediary element between the headboard and the main body portion of the siderail. This intermediate structure fills the gap that would otherwise exist when the bed is in extended configuration, preventing entrapment hazards without requiring the headboard or main siderail structure to change
2Object-affected harmful factors
If the headboard is extended to increased width to maintain contact with wider siderails, then the gap safety is improved, but the mechanical complexity and maintenance difficulty increase
Solution Approach 1:
Instead of extending the headboard medially to contact the siderails (the conventional approach), the invention inverts the solution by extending the siderail medially towards the headboard. This reversal simplifies the overall structure because the siderail extension can be achieved through simpler mechanical means compared to headboard extension mechanisms
Solution Approach 2:
The medially extending portion of the siderail serves multiple functions: it maintains safe gap distances when the bed is in extended configuration, provides structural support, and can be integrated with the siderail's movement mechanism. This multi-functionality eliminates the need for separate headboard extension mechanisms
Data Source
AI summary
A hospital bed is adjustable between an extended configuration and a retracted configuration. The hospital bed comprises a frame, an endboard supported by the frame and a siderail adjacent the endboard. The siderail is configured to minimize a width of a gap between the siderail and the endboard when the hospital bed is in the extended configuration. The siderail comprises a medially extending portion extending medially from the siderail towards a centerline of the hospital bed. The siderail comprises a handle extending along a longitudinal direction and along a medial direction of the siderail. The handle defines a continuously prehensible region for a patient resting on the hospital bed.