Wearable Medical Device Spatial Sensor Acoustic Alert Navigation
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Solution Overview
Problem
Patients with visual impairments face difficulties in navigating their surroundings and administering medications safely due to restricted eyesight, which can lead to unintentional contact with objects or incorrect handling of medical devices.
Innovation Solution
A wearable medical device equipped with spatial sensors, acoustic signal generators, optical sensors, and a processor that provides alerts through acoustic and visual feedback to assist users in detecting objects and identifying medical devices, enhancing navigation and medication administration safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If visual impairment is present, then the patient's ability to navigate and administer medications is compromised, but adding wearable medical devices increases device complexity
Solution Approach 1:
The wearable medical device is divided into multiple functional modules: spatial sensors for distance detection, optical sensors for object recognition, acoustic signal generators for alerts, and a processor for coordinating operations. This segmentation allows each component to perform a specific function, improving overall reliability while managing complexity through modular design
Solution Approach 2:
The wearable device integrates multiple functions into a single system: it detects spatial distance, identifies objects, recognizes medical devices, and provides acoustic alerts. This multi-functionality improves navigation safety and medication administration reliability without requiring multiple separate devices, thereby managing complexity
2Measurement precision
If spatial sensors and acoustic alerts are added, then object detection accuracy improves, but device complexity increases
Solution Approach 1:
The patent combines spatial sensors and optical sensors into a single wearable device, merging their functions to improve object detection accuracy. The spatial sensor provides distance information while the optical sensor identifies objects, and their integration creates a more accurate detection system than either sensor could achieve alone, while managing complexity through unified processing
Solution Approach 2:
The device uses acoustic signal generators to provide real-time feedback alerts to the user about detected objects and their distances. This feedback mechanism improves measurement precision by confirming detection accuracy through multiple sensory channels, while the automated feedback system manages complexity through programmed response protocols
3Reliability
If multiple sensors and alert systems are integrated, then navigation safety improves, but ease of operation decreases
Solution Approach 1:
The wearable device operates autonomously by automatically detecting objects, calculating distances, identifying medical devices, and generating acoustic alerts without requiring user intervention. This self-service capability improves navigation safety while maintaining ease of operation, as the system performs complex functions automatically without burdening the user
Solution Approach 2:
The device automatically adjusts operational parameters such as alert frequency, acoustic signal characteristics, and sensor detection thresholds based on environmental conditions and detected object types. This dynamic parameter adjustment improves navigation safety by optimizing performance for different scenarios while maintaining ease of operation through automated adaptation
Data Source
AI summary
A wearable medical device includes: a spatial sensor configured to determine distance to objects in an environment in front of the spatial sensor; an acoustic signal generator operable to generate an acoustic signal; a processor; and a memory configured to store instructions which, when executed the processor, cause the wearable medical device to: detect, using the spatial sensor, objects in the environment, calculate the distance to objects detected in the environment, and when the distance to an object is less than a predetermined value, control the acoustic signal generator to generate a first alert.