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Pressure Sensor Catheter and Associated Method
专利权人:
Wellinq Medical B.V.
发明人:
Bas Ludoph
申请号:
US14419726
公开号:
US20150223707A1
申请日:
2013.08.06
申请国别(地区):
US
年份:
2015
代理人:
摘要:
The invention relates to a pressure sensor catheter and method for measuring pressure on a distal side of a flow constriction, such as a stenosis, in a body lumen or measuring a pressure difference over the flow constriction. The catheter includes a pressure transfer tube for passing through the constriction, the tube being connected to and extending from a pressure sensor for transferring the pressure at the distal side of the constriction via the tube to the sensor, and a catheter body for introduction of the catheter into the body lumen, wherein the catheter body comprises the sensor at a sensor position, such that the sensor in use is positioned in the body lumen, and wherein a distal end region of the catheter including the distal end region of the pressure transfer tube has a smaller maximum outer diameter than the outer diameter of the catheter at the sensor position.
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