Patient support apparatus
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Solution Overview
Problem
There is a need to reduce labor required for caregivers, lower healthcare costs, and enhance patient comfort and recovery by improving the functionality and usability of patient support apparatuses.
Innovation Solution
A patient support apparatus equipped with sensors, a controller, and a notification system that provides visual indications of component status deviations through iconic representations, integrated ergonomic features, and advanced functionalities such as patient position monitoring, integrated medical devices, and a microclimate structure for enhanced comfort and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional patient monitoring systems are used, then caregivers can monitor patient status, but the labor required for caregivers is high and response time may be delayed
Solution Approach 1:
The patient support apparatus autonomously monitors its own operational status through integrated sensors that detect component failures, position deviations, and usage patterns without requiring manual inspection by caregivers. The system self-diagnoses and communicates status information automatically, reducing the labor burden on caregivers while maintaining continuous monitoring capability.
Solution Approach 2:
The system implements real-time feedback loops where sensors continuously monitor component status and patient position, immediately communicate deviations from acceptable operating conditions to the notification system, and trigger alerts to caregivers only when actual deviations occur. This feedback mechanism eliminates unnecessary monitoring labor while ensuring rapid response to genuine issues.
2Reliability
If comprehensive monitoring systems are implemented, then patient safety and comfort are improved, but the device complexity and cost increase
Solution Approach 1:
The monitoring system is divided into discrete functional modules, each responsible for specific parameters (e.g., position sensing, component status detection, notification). This segmentation allows the system to implement comprehensive monitoring through multiple simple, independent sensors rather than one complex centralized system, improving reliability while managing complexity through modular design.
Solution Approach 2:
The notification system serves multiple functions: it displays operational status, alerts caregivers to deviations, provides patient position information, and communicates system diagnostics. This multi-functionality consolidates what would otherwise require separate systems into a single integrated interface, reducing overall device complexity while maintaining comprehensive monitoring capability.
3Device complexity
If manual monitoring and adjustment of patient support apparatus are used, then the system is simpler, but caregiver labor requirements are high
Solution Approach 1:
Manual mechanical monitoring and adjustment tasks are replaced with automated electronic sensing and actuation systems. Sensors automatically detect component status and patient position, while the notification system electronically communicates findings to caregivers, eliminating the need for manual inspection and adjustment while reducing overall system operational complexity.
Solution Approach 2:
The system performs self-monitoring and self-reporting of status information without requiring manual intervention. The automated detection and notification mechanisms enable the apparatus to serve itself in terms of status monitoring, significantly reducing caregiver workload while maintaining system simplicity through straightforward sensor-notification architecture.
4Reliability
If continuous monitoring of all components is performed, then system reliability is improved, but energy consumption increases
Solution Approach 1:
Instead of continuous monitoring of all components, the system employs periodic sampling of sensor data at strategically determined intervals. The notification system activates only when deviations from acceptable operating conditions are detected, allowing the majority of sensors to remain in low-power states while maintaining monitoring accuracy through periodic checks rather than constant operation.
Solution Approach 2:
The system uses feedback-driven monitoring where sensors continuously sample at low power consumption levels and the notification system processes data to determine when actual deviations occur. Energy-intensive notification and alert functions are activated only in response to detected anomalies, creating a feedback loop that maintains reliability while minimizing energy consumption during normal operation.
Data Source
AI summary
A patient support apparatus includes a base frame, lift mechanism supporting an upper frame relative to the base frame, a load frame, and a plurality of deck sections, a patient support surface, and a number of barriers positioned about the patient supporting surface. The patient support apparatus includes a notification system for visually notifying a caregiver of a condition or status of a component of the patient support apparatus.