Prosthetic tubular aortic conduit and method for manufacturing the same
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United States of America Patent
Stats
-
Mar 5, 2002
Grant Date -
Dec 6, 2001
app pub date -
Apr 29, 1999
filing date -
May 8, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A prosthetic aortic conduit for replacing a root portion of an aorta is provided. The conduit comprises a first tubular portion and a second tubular portion which are connected together along a substantially common axis. The second tubular portion does not substantially deform in a longitudinal direction and has resilient means which allow said second portion to be expandable in a lateral direction. This second portion is able to deform laterally to mimic the function of the sinuses of Valsalva. The method of manufacturing such a conduit comprises the steps of: a) providing a first tubular conduit suitable for use in heart surgery and having a longitudinal axis and first resilient means allowing some expansion in the longitudinal direction only; b) securing to one of the ends of this first conduit a second tubular conduit suitable for use in heart surgery, this second conduit having second resilient means which allows some expansion in the lateral direction only.
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