Transesophageal Ultrasound Using a Narrow Probe
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
May 1, 2014
filing date -
Nov 26, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Transesophageal echocardiography is implemented using a miniature transversely oriented transducer that is preferably small enough to fit in a 7.5 mm diameter probe, and most preferably small enough to fit in a 5 mm diameter probe. Signal processing techniques improve the depth of penetration to the point where the complete trans-gastric short axis view of the left ventricle can be obtained, despite the fact that the transducer is so small. The reduced diameter of the probe (as compared to prior art probes) reduces risks to patients, reduces or eliminates the need for anesthesia, and permits long term direct-visualization monitoring of patients' cardiac function.
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