Funded by the Irish Science Foundation, researchers at the Advanced Materials and Bioengineering Research (Amber) Center and the School of Physics at Trinity College Dublin have successfully collaborated to add graphene to commercially available rubber to retain the original mechanical properties of the rubber. It also has electrical conductivity to create the world's first wearable graphene-rubber sensor. The research results have been published in the American Chemical Society "Nano" magazine.
The test results show that when the mixed rubber is stretched, the current flowing through the mixture changes greatly. Therefore, if the graphene-rubber mixture is embedded in the clothes, the most subtle human activities such as breathing and pulse can be perceived. The study opened the way for the development of rubber-based wearable sensors that can be used to monitor blood pressure, critical movements and breathing.
In addition, graphene-rubber sensors offer a variety of potential applications, such as the development of highly sensitive airbags, medical devices that monitor body movements, early warning systems for sudden infant death and adult sleep apnea, and embedded clothing to monitor athletes. The action or rehabilitation of the patient.
Project leader Jonathancoleman said that because rubber is cheap and available everywhere, and the process and manufacturing techniques used are simple, the invention will show more possibilities for sensor manufacturing worldwide.
Breathing Filter- Tracheostomy filter (HME)
Disposable breathing system filters are intended to reduce the transmission of microbes and other particulate matter in anaesthesia and intensive care unit.
The HME filters addtionally provide the function of warming and humidifying the inspired gas by conserving the exhaled heat and moisture.
The filter can also used in spirometry to protect the spirometer from expired infective droplets.
The use of our filter at patient end can effectively reduce the risk of cross-infection during anaesthesia and intensive care and will protect the anaesthesia and breathing equipment.
In mechanical ventilation or anesthesia the patient's upper airway may be bypassed by the introduction of a Tracheostomy Tube.
As a result the patient`s lungs may be confronted with dry inspired gas. Tracheostomy filters are designed to replicate the functions of the upper airway conserving the patient`s own expired heat and moisture and returning these to the patient during inspiration
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