PAP Sleep Monitoring With Real-Time Pressure Titration
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Solution Overview
Problem
Current CPAP and PAP devices fail to adjust treatment based on the subject's current physiological state or symptoms, lack a rich data set for optimal pressure setting, and cannot be used in home settings for titration.
Innovation Solution
An integrated sleep diagnosis and treatment device that uses a data acquisition system with various sensors to measure physiological signals, which can be analyzed to adjust treatment automatically or manually, and can be used in home or hospital settings to titrate treatment based on a rich data set.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If CPAP and PAP devices use fixed pressure settings determined during clinical titration, then treatment can be provided in clinical settings, but the treatment cannot be adjusted based on the subject's current physiological state or symptoms
Solution Approach 1:
The patent implements dynamic pressure adjustment by enabling the PAP device to automatically modify treatment pressure in real-time based on physiological signals (respiratory effort, airflow, oxygen saturation) detected by integrated sensors. This transforms the fixed-pressure system into a dynamic system that adapts to the subject's changing physiological state during sleep, resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The system incorporates feedback loops where physiological sensors continuously monitor the subject's respiratory status and feed this information back to the pressure control algorithm. The algorithm processes this feedback and adjusts pressure accordingly, creating a closed-loop control system that enables treatment adaptation while managing complexity through automated feedback processing.
2Measurement precision
If manual titration is performed by sleep technicians, then optimal pressure can be determined, but the process requires clinical settings and cannot be performed at home
Solution Approach 1:
The patent implements self-service titration by equipping the PAP device with integrated sensors and algorithms that automatically perform the titration process without requiring a sleep technician. The device autonomously collects physiological data, analyzes it using built-in algorithms, and determines optimal pressure settings, enabling patients to perform titration at home and eliminating the need for clinical visits.
Solution Approach 2:
The system performs preliminary data collection and analysis during the titration process by continuously monitoring physiological signals before finalizing pressure settings. This preliminary action allows the device to gather sufficient data and prepare optimal settings in advance, ensuring measurement precision while enabling home-based operation.
3Device complexity
If a single physiological variable is used for auto-PAP adjustment, then device complexity is reduced, but the data set is insufficient for optimal pressure setting
Solution Approach 1:
The patent merges multiple physiological measurement functions into a single integrated PAP device. Instead of using separate devices for measuring respiratory effort, airflow, and oxygen saturation, the invention combines these sensing capabilities within the PAP device itself, collecting a rich multi-parameter physiological data set without proportionally increasing overall system complexity.
Solution Approach 2:
The PAP device is designed with multi-functionality, serving both as a treatment device and as a comprehensive physiological monitoring system. The device performs multiple functions including pressure delivery, respiratory effort detection, airflow measurement, and oxygen saturation monitoring, thereby gathering complete physiological data while maintaining a single unified device architecture.
Data Source
AI summary
The present invention relates to an integrated sleep diagnosis and treatment device, and more particularly to an integrated apnea diagnosis and treatment device. The present invention additionally relates to methods of sleep diagnosis and treatment. The sleep disorder treatment system of the present invention can use a diagnosis device to perform various forms of analysis to determine or diagnose a subject's sleeping disorder or symptoms of a subject's sleep disorder, and using this analysis or diagnosis can with or in some embodiments without human intervention treat the subject either physically or chemically to improve the sleeping disorder or the symptoms of the sleeping disorder. The diagnostic part of the system can use many different types of sensors and methods for diagnosing the severity of the symptoms of or the sleep disorder itself. The treatment part of the system can use a device to physically or chemically treat the subject's symptoms or sleep disorder itself.