The ingestible sensor, 20mm in length and 8mm in diameter, could help physicians diagnose gastrointestinal motility disorders that prevent food from moving normally through the digestive tract.
A pill that vibrates to relieve constipation, a sensor that can be tracked in the gut — medical researchers are turning to tiny robots to treat or diagnose gastrointestinal disorders.
About 16 of every 100 adults in the US suffer from symptoms of constipation, according to the US health authorities, and the number doubles for Americans over the age of 60. The sensor could also provide an alternative to invasive procedures such as endoscopy or other diagnostic techniques such as nuclear imaging, X-rays or catheters.
The strength of the magnetic field varies with distance from the coil and the sensor's position within the digestive tract can be calculated to within millimeters based on measurement of the magnetic field.While the ingestible sensor is still in the development phase, an Israeli company called Vibrant Gastro recently began marketing a vibrating capsule in the US designed to relieve chronic constipation.
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