PAP Mask Sound Monitoring for Dislodgment and Leak Alerts
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Solution Overview
Problem
Existing PAP machines for treating sleep apnea are expensive, invasive, and uncomfortable, and their effectiveness is compromised by leaks, particularly when the mask seal is breached due to dislodgment during sleep, which conventional alarms fail to address effectively without disturbing others.
Innovation Solution
A PAP mask monitor system that includes a PAP monitor and a smart wearable device, which analyze sound data to detect mask dislodgment and alert the patient with a customizable vibration, ensuring the mask is repositioned without disturbing others.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional PAP machines are used to treat sleep apnea, then sleep apnea symptoms can be addressed, but mask dislodgment during sleep causes leaks that reduce treatment effectiveness and cannot be detected without disturbing others
Solution Approach 1:
The system continuously monitors sound data from the PAP device and provides feedback about mask seal status. When irregular breathing patterns indicating mask dislodgment are detected, the system alerts the patient through a wearable device, enabling real-time correction of the mask position to maintain treatment effectiveness.
Solution Approach 2:
A wearable alert device serves as an intermediary between the PAP monitor and the patient. The monitor detects mask dislodgment through sound analysis and communicates this information to the wearable device, which then provides tactile or visual alerts to the patient without requiring direct intervention in the sleep environment.
2Reliability
If alarms are used to detect mask dislodgment, then leaks can be detected, but traditional alarms disturb others sleeping in the same environment
Solution Approach 1:
The wearable device acts as an intermediary that receives mask seal status information from the PAP monitor and delivers alerts to the patient personally. This eliminates the need for audible alarms that would disturb others, as the notification is delivered through tactile vibration or visual display on the wearable device worn by the patient.
Solution Approach 2:
The system replaces acoustic alarm mechanisms with electronic notification through wearable technology. Instead of using sound waves that propagate through the environment and disturb others, the system uses electronic signal transmission to the wearable device, which then provides localized tactile or visual feedback to the patient.
3Ease of operation
If PAP machines are made more comfortable and less invasive, then patient compliance improves, but mask seal reliability may be compromised
Solution Approach 1:
The continuous sound monitoring and alert system provides real-time feedback about mask seal status, allowing patients to maintain comfortable mask positions that still ensure proper sealing. The system detects irregular breathing patterns caused by dislodgment and alerts the patient, enabling them to make minor adjustments to restore both comfort and seal integrity.
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
Effectively maintains the seal of the PAP mask during sleep, ensuring continuous treatment of sleep apnea by minimizing leaks and maintaining treatment efficacy while reducing disturbance to others.
Implementation Method 1
analyzing data representing sound produced by a PAP device that provides the pressurized air to the PAP mask
Implementation Method 2
the smart wearable device will alert the patient using, for example, a tactile output such as a vibration
Data Source
AI summary
The present invention teaches systems, devices, and methods to monitor the correct positioning of a positive airway pressure (PAP) mask. In the system, a PAP mask monitor is configured to capture sound from a PAP device over a first period of time; capture sound from a patient breathing over the first period of time; determine a difference between the PAP device sound and the patient breathing sound over the first period of time; and identify, based on a fast Fourier transform (FFT) analysis a selected frequency that can distinguish the patient's breathing from other noise. The PAP mask monitor is further configured to assert a dislodged mask alert signal if a breathing event is not detected during a determined apnea time window; and communicate an alarm signal to a smart wearable device that will awaken the patient so that the mask can be re-positioned properly.