Medico-surgical instruments
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United States of America Patent
Stats
-
Dec 27, 2005
Grant Date -
May 1, 2003
app pub date -
Sep 4, 2002
filing date -
Oct 25, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The rear end of a dual lumen oocyte recovery needle is sealed in a plastics hub by means of two polyurethane seals compressed between the outside of the needle and opposite ends of a bore through the hub. The needle has an outer tube and an inner tube with a suction lumen along its length and which is deformed to provide a flushing lumen between its outside and the inside of the outer tube. A suction tube is joined to the rear end of the needle at the rear end of the hub in communication with the suction lumen. A flushing tube is joined in a side bore opening into the interior of the hub and communicating via a slot in the side of the needle with the flushing lumen.
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