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Using the proprietary white-light interferometric interrogation technique, a fiber-optic MEMS device provides in vivo blood pressure, intrauterine, and intracranial measurements in disposable or reusable applications. (Sainte Foy, QC, Canada) introduced the pressure transducer at the recent MD&M West trade show in Anaheim, CA. The Model FOP-M-055-300 device was developed to satisfy the medical industry's need for an extremely small catheter-tip pressure transducer that would not be affected by electrical interference, according to company president Claude Belleville. Sporting a 0.55-mm tip and 0.25-mm cable, the device is insensitive to cable bending and high levels of electromagnetic and radiofrequency noise "that typically plague physiological measurements," says Belleville. It also minimizes inaccurate readings, he adds, "because of its proximity to the measurement site." The fiber-optic disposable blood pressure transducer combines the advantages of tip-catheter and external invasive transducers. Integrated into a catheter, Fiso's pressure sensor exhibits a 50-Hz frequency response. Other designs rely on technologies that are less
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Products & Services
Acousto-Optic Modulators
Acousto-optic modulators are devices that use sound waves to modify the amplitude, frequency, or phase of light passing through an acousto-optic material.
Fiberscopes
Fiberscopes are flexible borescopes that use fiber optic technology, an eyepiece at one end, and a lens at the other to inspect bores and cavities. They house fiber optic bundles in a flexible tube that allows users to change the viewing angle or navigate curved paths.
Fiber Optic Polarizers
Fiber optic polarizers (FOP) are placed inline to improve the extinction characteristics of fiber optic cable. They allow the transmission of only one polarization, blocking light in unwanted polarization states.
Pressure Sensors
Pressure sensors include all sensors, transducers and elements that produce an electrical signal proportional to pressure or changes in pressure.
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Topics of Interest

Using the proprietary white-light interferometric interrogation technique, a fiber-optic MEMS device provides in vivo blood pressure, intrauterine, and intracranial measurements in disposable or...

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