Medical Recharging Interface With Indicator Lights for Safe Power Transfer
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Solution Overview
Problem
Existing wireless power transfer systems for implantable medical devices lack user-friendly interfaces for controlling and monitoring power transfer and therapy delivery, leading to inefficiencies and potential safety risks.
Innovation Solution
A user interface for a power transfer device that includes a control mechanism with indicator lights to enable users to start and stop power transfer, display charging status, and monitor therapy delivery, using inductive coupling for efficient charging without physical connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a detailed display showing all power transfer and therapy parameters is provided, then information completeness is improved, but device complexity increases
Solution Approach 1:
The user interface is segmented into multiple indicator lights, each representing a specific operational parameter (communication status, power transfer status, therapy delivery status). This segmentation allows comprehensive information display while keeping each individual indicator simple and manageable, avoiding the need for a complex single display unit.
Solution Approach 2:
The patent employs color-coded indicator lights to convey different operational states. Each indicator light can display multiple states through different colors or lighting patterns, enabling rich information communication with simple visual elements, thus reducing overall device complexity while maintaining information completeness.
2Measurement precision
If multiple indicator lights are used to show operational status, then monitoring capability is improved, but device complexity increases
Solution Approach 1:
The monitoring function is segmented across three distinct indicator lights, each dedicated to a specific operational aspect. This segmentation provides precise monitoring capability for each parameter while avoiding the complexity of a single multi-functional display system.
Solution Approach 2:
Each indicator light serves as a universal signaling element that can display multiple states (different colors or patterns) for its specific parameter. This multi-functionality at the component level allows comprehensive monitoring without requiring complex dedicated displays for each parameter.
3Reliability
If real-time feedback is provided through indicator lights, then patient safety is improved, but energy consumption increases
Solution Approach 1:
The indicator lights provide real-time feedback through periodic updates rather than continuous operation. The lights activate and update their state based on changes in operational parameters, providing continuous safety monitoring while minimizing energy consumption by remaining inactive during stable operational states.
Solution Approach 2:
The system uses color changes in indicator lights to convey critical safety information efficiently. This allows comprehensive real-time monitoring with low energy consumption, as the system only needs to change the state of lights when parameter thresholds are crossed, rather than continuously operating all indicators.
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
Enhances patient safety and therapy efficacy by providing real-time feedback and control over power transfer, reducing thermal risks and improving alignment efficiency during charging.
Implementation Method 1
using inductive coupling for efficient charging without physical connection
Data Source
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AI summary
A user interface for a power transfer device configured to wirelessly transfer transcutaneous power to an implantable medical device. The user interface may enable a user to start and stop power transfer, e.g., to recharge a battery' on the implantable medical device. In some examples, the user interface may present the user a display that indicates whether the power transfer device is performing open or closed loop recharging, indicate and control therapy delivery' status of the implantable medical device and indicate both die power transfer device battery' level and/or indicate the battery level for the implantable medical device, lire user interface may communicate with the user with a set of indicator lights that may flash, pulse and change color as needed.