Infusion Pump Backlight Brightness Configuration
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Solution Overview
Problem
Medical infusion pumps with non-adjustable backlights pose challenges in clinical settings, as they can be too bright for sensitive patients or too dim in well-lit areas, and power-saving modes can be distracting and inefficient, leading to potential clinical errors.
Innovation Solution
A method and apparatus that allow users to configure backlight brightness levels and power-saving modes based on clinical care areas and user preferences, enabling flexible adjustments through the drug library or medical device settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the backlight brightness is set to a high level to improve screen visibility in well-lit areas, then the visibility is improved, but it becomes too bright for patients sensitive to light such as in neonatal intensive care units
Solution Approach 1:
The backlight brightness is made dynamically adjustable through multiple levels (e.g., 5 levels from lowest to highest brightness). The system transitions from a static fixed brightness to a dynamic可调 brightness that can be changed based on environmental conditions and patient needs, resolving the contradiction between visibility and patient comfort.
Solution Approach 2:
The invention changes the brightness parameter of the backlight from a fixed value to a variable parameter with multiple discrete levels. This allows the system to adapt to different clinical environments by selecting appropriate brightness levels, thereby resolving the contradiction between needing bright display in well-lit areas and dim display for light-sensitive patients.
2Object-affected harmful factors
If the backlight brightness is set to a low level to protect light-sensitive patients, then patient comfort is improved, but the screen becomes too dim for areas with high ambient light such as operating rooms
Solution Approach 1:
The system provides dynamic brightness adjustment with multiple levels, allowing caregivers to select the appropriate brightness level based on the specific clinical environment and patient condition, thus protecting light-sensitive patients while maintaining visibility in well-lit areas.
Solution Approach 2:
The backlight brightness parameter is made variable with multiple discrete levels, enabling the system to adapt to different lighting conditions and patient needs, resolving the contradiction between minimizing light exposure and maintaining screen visibility.
3Use of energy by moving object
If a power saving mode automatically dims the backlight after a predetermined time to conserve power, then energy consumption is reduced, but it requires continuous user interaction to brighten the display during procedures lasting more than a few minutes
Solution Approach 1:
The power saving mode uses dynamic time-based control to automatically adjust backlight brightness. After a predetermined idle period, the system automatically dims the display to conserve power. This dynamic adjustment eliminates the need for continuous user interaction while maintaining energy efficiency, resolving the contradiction between power conservation and ease of operation.
4Use of energy by moving object
If the power saving mode dims the backlight after a short predetermined time to conserve power, then energy consumption is reduced, but it becomes distracting and disruptive to the clinical caregiver
Solution Approach 1:
The system implements dynamic time-based control with configurable idle periods before automatic dimming occurs. This allows the system to balance power conservation with clinical workflow continuity by dimming only after appropriate idle time has elapsed, avoiding disruption to caregivers while still achieving energy savings.
5Illumination intensity
If the backlight remains continuously bright to maintain visibility during procedures, then visibility is maintained, but it increases power consumption and causes undue wear and tear on the display hardware
Solution Approach 1:
The system uses dynamic time-based control to automatically dim the backlight after a predetermined idle period, reducing power consumption and extending display hardware life while maintaining brightness during active use. This resolves the contradiction between continuous visibility and power conservation.
Solution Approach 2:
The power saving mode implements periodic monitoring of user interaction and automatically adjusts backlight brightness based on idle time periods. This periodic action allows the system to alternate between bright and dim states, achieving both visibility during use and power conservation during idle periods.
6Adaptability or versatility
If the device requires multiple steps to adjust backlight brightness level to suit user and location preferences, then customization is achieved, but the procedure becomes time consuming and inconvenient
Solution Approach 1:
The system provides preset brightness levels (e.g., 5 levels from lowest to highest) that are pre-configured for different clinical environments. This preliminary preparation allows users to quickly select the appropriate brightness level without needing to perform complex adjustments, reducing time loss while maintaining customization capability.
Data Source
AI summary
A method and apparatus provides for configuring the backlight brightness level. The backlight brightness level can be configured at the drug library and/or at the medical device, thereby improving the flexibility a user has in changing backlight parameters. A method and apparatus for managing a power saving mode allows the user to configure the power saving program at the drug library and/or at the medical device.