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The RTM Vital Signs RTMsense is indicated for use by healthcare professionals in healthcare facilities, such as post-operative care and general wards, to monitor breathing in adult (at least 22 years old) patients. RTMsense is a non-invasive system that graphically displays respiratory function against time and reports respiratory rate. RTMsense measurements are used as an adjunct to other clinical information sources.

The RTMsense Respiratory Monitoring System is a single use wearable device consisting of a wearable trachea sound sensor (TSS) and software that continuously measures a patient's respiratory rate by analyzing the sounds of air flow within the proximal trachea during inhalation and exhalation. The acoustic signal is transmitted wirelessly to a Lenovo Tablet, and the respiratory measurement values are displayed on the tablet after analysis of the acoustic data by a proprietary software algorithm. The RTMsense software application has three parts: firmware on the TSS, a web-based application on the Lenovo tablet, and a cloud-based proprietary software algorithm. The TSS securely transmits acoustic data wirelessly to the local, Bluetooth low energy enabled Lenovo tablet. The tablet uses a web-based application to securely transmit the acoustic data to the cloud for analysis in RTM's proprietary cloud-based algorithm. The web application retrieves the processed data from the algorithm to display respiratory rate on the tablet. The device will be used by healthcare professionals in healthcare facilities such as post-operative care or general wards. The RTMsense respiratory measurements are used as an adjunct to other clinical information sources. The TSS is held in place by a flexible wearable carrier adhered to the patient's proximal trachea with commercially available medical grade adhesive. The TSS contains the audio sensor, onboard processing, wireless communications technology, and Lithium-ion coin cell rechargeable battery. A custom charger is provided to charge the battery.