Title :
Wireless esophageal catheter dedicated to respiratory diseases diagnostic
Author :
Désilets, Tommy ; Sawan, Mohamad ; Bellemare, Frangois
Author_Institution :
Polystim Neurotechnologies Lab., Ecole Polytechnique de Montreal, Que.
Abstract :
We present the design and test of a portable wireless catheter system combining the simultaneous assessment of the transdiaphragmatic pressure and EMG of the diaphragm. The esophageal catheter includes two micro fabricated pressure sensors and five platinum ring electrodes. The low noise analog front-end features an electrode DC mismatch correction circuitry, a selectable gain (58 dB-97 dB) as well as a high CMRR (80.3 dB). Pressure signals are sampled at 1 kHz while EMG at 4 kHz. The data is transmitted over a wireless Bluetoothreg connection towards a computing host to display the received signals in real time. Testing of the device demonstrates its reliability to process pressure and EMG signals and to be used as a stand-alone respiratory parameters assessment device
Keywords :
Bluetooth; biomedical electrodes; catheters; diseases; electromyography; microsensors; patient diagnosis; pressure sensors; wireless sensor networks; 1 kHz; 4 kHz; 58 to 97 dB; EMG signals; diaphragm EMG; electrode DC mismatch correction circuitry; low noise analog front-end; microfabricated pressure sensors; platinum ring electrodes; portable wireless catheter system; pressure signals; respiratory diseases diagnostic; transdiaphragmatic pressure; wireless Bluetooth connection; wireless esophageal catheter; Catheters; Circuit noise; Circuit testing; Diseases; Electrodes; Electromyography; Esophagus; Platinum; System testing; Wireless sensor networks;
Conference_Titel :
Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on
Conference_Location :
Island of Kos
Print_ISBN :
0-7803-9389-9
DOI :
10.1109/ISCAS.2006.1693151
