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CATHETER-BASED DEVICES AND METHODS FOR IDENTIFYING SPECIFIC ANATOMICAL LANDMARKS OF THE HUMAN AORTIC VALVE
专利权人:
发明人:
Kevin W. Smith,Derek Dee Deville,Korey Kline
申请号:
US14208997
公开号:
US20140276616A1
申请日:
2014.03.13
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A valve-plane-defining catheter includes a hollow flexible sheath having a distal end and defining a distal opening, a guidewire assembly, and three radiopaque valve-nadir markers. The guidewire assembly has a guidewire slidably disposed in the flexible sheath and having a distal end, three wire arms each having a terminating end and a proximal end offset from the terminating end and attached to the distal end of the guidewire to dispose the three wire arms approximately 120 degrees from one another about a circle defined by the terminating end of the three wire arms. The three radiopaque valve-nadir markers disposed respectively at the terminating end of each of the three wire arms, each of the valve-nadir markers being sized to fit within the distal opening.
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