Apparatus for forming hollow fibers and said fibers
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United States of America Patent
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Aug 12, 1997
Issued Date -
N/A
app pub date -
Jun 1, 1995
filing date -
May 21, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A nozzle assembly for forming hollow fibers, particularly a 'Z-fiber' having longitudinally oriented trabeculae with the fiber wall, is disclosed. The nozzle assembly contains a replaceable nozzle cap, a replaceable seal-guide, and a retractable central bore used to supply core material for the hollow fibers. The Z-fibers are particularly useful in enabling cells, solutes, or the like, to enter the fiber wall and move longitudinally into the center of the fiber wall.
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