Steerable sheath tube and method for occluding atrial septal defect
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United States of America Patent
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Sep 22, 2020
Grant Date -
Mar 23, 2017
app pub date -
Nov 13, 2015
filing date -
Sep 22, 2015
priority date (Note) -
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Abstract
A steerable sheath tube has a tubular body having a distal end, a traction wire; and a handle connected to the tubular body. The handle has a lateral branch tube that is coupled to the tubular body at an angle thereof, a slider positioned inside the lateral branch tube for translating movement therein, and a positioning member provided within the lateral branch tube and positioned further from the tubular body than from the slider. One end of the traction wire is fixed on the slider while the other end thereof is fixed at the distal end of the tubular body, and when the slider is moved to come into contact with the positioning member, the distal end of the tubular body is bent to a predetermined angle. A method for occluding an atrial septal defect includes the steps of delivering an occluder from a right internal jugular vein to an atrial septal defect by using the steerable sheath tube, and releasing the occluder to occlude the atrial septal defect.
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