Transesophageal ultrasound probe with an adaptive bending section
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United States of America Patent
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Nov 12, 2013
Grant Date -
Oct 11, 2007
app pub date -
Mar 5, 2007
filing date -
Mar 6, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
When transesophageal echocardiography is used to obtain a transgastric short axis view of the left ventricle of the heart, the best place to position the transducer is in the fundus of the stomach, aimed up through the left ventricle. The probes disclosed herein facilitate placement of the transducer in the optimum position within the fundus, despite wide variations in the distance between the lower esophageal sphincter and the fundus among different subjects. In one preferred embodiment, the ultrasound probe uses a bending section with a series of vertebrae and stiffening that is more flexible proximally and less flexible distally, which causes the probe to bend relatively sharply at the point where the probe exits the lower esophageal sphincter.
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