Medico-surgical devices
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United States of America Patent
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-
Aug 21, 2007
Grant Date -
Apr 3, 2003
app pub date -
Sep 30, 2002
filing date -
Oct 2, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An embryo-transfer catheter has an extruded shaft with a gas-filled lumen that extends helically along the catheter to provide an ultrasound marker. The catheter has a side opening close to a closed rounded patient end. The catheter could be completely transparent to x-rays or the plastics from which it is formed could incorporate an x-ray opaque filler, such as barium sulphate.
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