University of Maryland, Baltimore;University of Maryland Medical System, LLC
发明人:
James S. GAMMIE,Rachael QUINN,Chetan PASRIJA
申请号：
US16577345
公开号：
US20200155132A1
申请日:
2019.09.20
申请国别(地区):
US
年份:
2020
代理人:
摘要：
The present invention provides transseptal puncture devices configured to access structures on the left side of the heart from the right side of the heart without requiring open-heart surgery. The devices have adjustable stiffness to enter the vasculature in a flexible, atraumatic fashion, then become rigid once in place to provide a stable platform for penetration of the fossa ovalis. The devices are further configured to controllably and stably extend a needle to puncture the FO. The devices include an indwelling blunt stylus that can extend perpendicularly from the device to increase the accuracy of placement near the fossa ovalis.
