Patient Support Alert Light for Bed Status Visibility
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Solution Overview
Problem
Current patient support systems in hospitals lack advanced control units that can dynamically adjust to patient size, weight, and activity level, and fail to provide real-time pressure relief and movement monitoring effectively.
Innovation Solution
A control unit for patient support systems that includes a housing with a controller, air supply components, and a display interface, capable of providing high volume low pressure air and low volume high pressure air, with integrated sensors and valves for pressure management, and a user-friendly interface for caregivers to adjust settings based on patient needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single air supply component is used, then the device complexity is reduced, but the ability to provide both high volume low pressure and low volume high pressure air is compromised
Solution Approach 1:
The air supply system is divided into two separate components: a blower for providing high volume, low pressure air to the head and foot sections, and a compressor for providing low volume, high pressure air to the mid-section. This segmentation allows each component to be optimized for its specific function while collectively providing the full range of air supply capabilities needed for the patient support system.
2Reliability
If real-time pressure monitoring and adjustment is implemented, then patient comfort and pressure ulcer prevention is improved, but the device complexity and cost increase
Solution Approach 1:
The system incorporates pressure sensors that continuously monitor the pressure distribution across the patient support surface and feed this information back to the controller. The controller uses this feedback to dynamically adjust the air pressure in different zones, ensuring optimal pressure distribution that prevents pressure ulcers while maintaining patient comfort throughout the treatment period.
Solution Approach 2:
The patient support system transitions from a static pressure distribution system to a dynamic one that continuously adapts to patient needs. The controller real-time adjusts the air pressure in various zones based on sensor feedback, patient position, and treatment requirements, enabling the system to respond to changing conditions and maintain optimal support throughout the treatment period.
3Adaptability or versatility
If multiple air supply portions with different characteristics are used, then the pressure distribution adaptability is improved, but the device complexity increases
Solution Approach 1:
Different sections of the patient support system are provided with different air supply characteristics tailored to their specific requirements. The head and foot sections receive high volume, low pressure air from the blower for general support and comfort, while the mid-section receives low volume, high pressure air from the compressor for targeted pressure relief and positioning. This local quality approach ensures each zone receives the appropriate air characteristics for its function.
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 control unit enables dynamic adjustment of mattress support characteristics, provides real-time pressure relief, and monitors patient movement, enhancing patient comfort and reducing the risk of pressure ulcers.
Implementation Method 1
a first air supply portion including a blower... to provide high volume, low pressure air to a first interior portion of the patient support
Implementation Method 2
a second air supply portion including a compressor... to provide low volume, high pressure air to a second interior portion of the patient support
Data Source
AI summary
A patient support apparatus includes a bed frame having a head end and a foot end and control circuitry carried by the bed frame. The control circuitry receives information about conditions of the patient support apparatus. A light is coupled to the bed frame adjacent the foot end and is coupled to the control circuitry. The light is in a first state when the patient support apparatus is operating normally and the light is in a second state when the control circuitry detects an alert condition.