Method and system for measuring pulmonary artery circulation information
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United States of America Patent
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Dec 12, 2017
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N/A
app pub date -
Aug 10, 2012
filing date -
Nov 16, 2007
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Abstract
Minimally invasive systems and methods are described for measuring pulmonary circulation information from the pulmonary arteries. A transbronchial Doppler ultrasound catheter is advanced through the airways and in the vicinity of the pulmonary artery. Doppler ultrasound energy is sent through the airway wall and across the pulmonary artery to obtain velocity information of blood flowing through the artery. The velocity information is used to compute pulmonary circulation information including but not limited to flowrate.
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