Respiratory Mask Microphone Integration for Patient Communication
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Solution Overview
Problem
Patient respiratory masks, such as CPAP or BiPAP devices, hinder natural communication due to intervening plastic material and airflow noise, making coherent conversation with visitors or via telephone difficult in clinical settings.
Innovation Solution
Integration of a noise-cancelling microphone with wireless capabilities, such as Bluetooth®, into the respiratory mask or its fluid delivery tube, allowing voice transmission to external speakers or communications devices, with optional noise filtering and on-board or external speakers for improved communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a respiratory mask with plastic material is used to deliver positive air pressure, then the patient receives effective respiratory support, but the patient's ability to communicate naturally is restricted due to the intervening plastic material and airflow noise
Solution Approach 1:
A microphone is introduced as an intermediary device within the respiratory mask to capture the patient's speech. This mediator converts the acoustic signal from the patient's voice into an electrical signal that can be transmitted externally, bridging the communication barrier created by the mask's plastic material and airflow noise
Solution Approach 2:
The natural acoustic transmission path (mechanical sound wave propagation through air) is replaced with an electronic signal transmission system. The microphone captures speech and converts it to electrical signals that can be wirelessly transmitted to external devices, bypassing the physical barriers of the mask
2Measurement precision
If the microphone is integrated into the respiratory mask or fluid delivery tube, then speech pickup is improved, but the device complexity increases
Solution Approach 1:
The respiratory mask system is enhanced with multi-functionality by integrating communication capabilities alongside its primary respiratory support function. The microphone, wireless transmitter, and speaker components enable the mask to serve dual purposes: delivering positive air pressure and facilitating clear communication
Solution Approach 2:
Multiple functional components (microphone, wireless transmitter, speaker) are merged into a single integrated communication system within the respiratory mask. This consolidation reduces the number of separate devices needed and simplifies the overall system architecture while improving speech pickup quality
3Measurement precision
If noise-cancelling microphones and wireless technology are integrated into the mask, then communication clarity is enhanced, but the weight and size of the mask increase
Solution Approach 1:
The communication system parameters are optimized by using lightweight materials and miniaturized electronic components. The wireless transmission capability eliminates the need for heavy wired connections, and the noise-cancelling microphone technology achieves high communication clarity with minimal added weight through advanced signal processing algorithms
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
Enables clear and effective communication for patients by reducing noise interference and enhancing speech pickup and transmission, facilitating natural conversation and phone use despite the use of respiratory masks.
Implementation Method 1
the microphone includes or is associated with at least one noise filter
Implementation Method 2
the microphone is configured to wirelessly transmit a patient's voice, via Bluetooth® technology, to a Bluetooth® speaker
Data Source
AI summary
The present disclosure presents a patient respiratory mask that is configured to pick up patient speech from within the patient respiratory mask utilizing a microphone and to transmit that speech to a speaker or other communications device and a method of patient communication utilizing the same.