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An innovative procedure for measuring blood pressure, with none of the disadvantages of current procedures, is proposed. A highly-flexible capacitive strain gauge has been designed to measure changes in the diameter of a blood vessel; such changes are indicative of blood pressure. The sensor is implanted and wrapped around an arterial blood vessel during the normal course of a surgical procedure....
A novel implantable optical sensor for continuous long-term monitoring of arterial oxygen saturation and monitoring of tissue perfusion is introduced. The photoplethysmo-graphic multi-wavelength sensor with optoelectronic components mounted onto a flexible substrate and encapsulated in biocompatible silicone is attached to well-perfused intrathoracic tissue or directly onto organ surfaces. A proof-of-principle...
A novel implantable sensor for continuous long-term monitoring of various cardiovascular parameters is presented. An optical arterial blood oxygen saturation sensor and a piezoelectric blood pressure sensor have been developed using a silicone-based fabrication technology. An elastic silicone stripe houses the sensors and is wrapped around an arterial blood vessel. Due to this choice of a soft material,...
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