Enhanced CPAP Apparatus with Advanced Noise Reduction and Real-Time Sleep Stage Optimization
Legal Citation
Summary of the Inventive Concept
The present inventive concept relates to a CPAP apparatus that incorporates a noise-reducing mechanism, real-time sleep stage optimization, and humidity control to provide improved therapy for sleep apnea patients.
Background and Problem Solved
The original CPAP apparatus patent (BACKGROUND) has limitations in terms of operational noise, inconsistent air flow, and lack of real-time sleep stage optimization. The present inventive concept addresses these limitations by introducing a noise-reducing mechanism integrated into the fan, a method for operating the CPAP apparatus that adjusts the fan's rotational speed based on a patient's breathing pattern, and a humidity control system to maintain a predetermined humidity level in the delivered air.
Detailed Description of the Inventive Concept
The enhanced CPAP apparatus comprises a housing with an intake inlet and an exhaust outlet, an air passage connected to the exhaust outlet, a fan expelling air from the air passage, and a noise-reducing mechanism integrated into the fan to minimize operational noise. The noise-reducing mechanism includes a sound-absorbing material lining the air passage. The apparatus further comprises a sensor to detect the patient's sleep stage and a control unit that adjusts the air pressure and flow rate in real-time based on the detected sleep stage to optimize the patient's sleep quality. Additionally, the apparatus includes a humidity control system that maintains a predetermined humidity level in the delivered air to prevent drying of the patient's airway.
Novelty and Inventive Step
The new claims introduce a novel noise-reducing mechanism, real-time sleep stage optimization, and humidity control, which are not present in the original patent. These advancements provide a significant improvement in the therapy experience for sleep apnea patients, making the inventive concept novel and non-obvious.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include varying the design of the noise-reducing mechanism, such as using different sound-absorbing materials or incorporating active noise cancellation technology. Additionally, the sleep stage optimization algorithm could be modified to accommodate different patient demographics or sleep disorders.
Potential Commercial Applications and Market
The enhanced CPAP apparatus has significant commercial potential in the sleep therapy market, particularly among patients who require continuous positive airway pressure therapy. The improved noise reduction, real-time sleep stage optimization, and humidity control features would provide a competitive advantage in the market, increasing patient comfort and adherence to therapy.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61M16/024 |
| A | A61 | A61M16/0003 |
| A | A61 | A61M16/0066 |
| A | A61 | A61M2016/003 |
| A | A61 | A61M2016/0027 |
| A | A61 | A61M2205/103 |
| A | A61 | A61M2205/3334 |
| A | A61 | A61M2205/502 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Medical Device Engineering, specifically Continuous Positive Airway Pressure (CPAP) apparatus design, involving respiratory therapy technologies, fluid dynamics, noise reduction, and patient monitoring systems
Person of Ordinary Skill (PHOSITA) Profile
A biomedical engineer with expertise in respiratory medical devices, familiar with pneumatic systems, sensor integration, noise control techniques, and sleep disorder treatment technologies, typically holding a master's degree or equivalent professional experience
Obviousness Rationale
A PHOSITA would recognize that the disclosed variations represent predictable engineering improvements to the base CPAP apparatus design, utilizing standard techniques in medical device optimization such as noise reduction, adaptive pressure control, and patient-specific monitoring. The technical modifications represent incremental advancements that would be readily conceived by a skilled practitioner seeking to enhance patient comfort and therapeutic effectiveness.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,724 |
|---|---|
| Title | CPAP apparatus |
| Assignee(s) | MURATA MANUFACTURING CO., LTD. |