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Delivery device having a curved shaft and a straightening member for transcatheter aortic valve implantation
Delivery device having a curved shaft and a straightening member for transcatheter aortic valve implantation
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机译:具有弯曲轴和用于经导管主动脉瓣植入的矫直构件的输送装置
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摘要
A delivery device may generally include a support member, a distal sheath, an outer shaft and a straightening member. The support member is adapted to hold a prosthetic heart valve. The distal sheath is slidable relative to the support member between a first position in which the distal sheath is adapted to maintain the prosthetic heart valve in a collapsed condition, and a second position in which the distal sheath is adapted to expose the prosthetic heart valve. The outer shaft is connected to the distal sheath and has a curved portion. The straightening member is slidable on the outer shaft between a proximal position in which the straightening member does not cover the curved portion of the outer shaft, and a distal position in which the straightening member covers and substantially straightens at least a portion of the curved portion of the outer shaft.
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