Flexible needle stop
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United States of America Patent
Stats
-
Mar 13, 1990
Grant Date -
N/A
app pub date -
Apr 25, 1989
filing date -
Apr 25, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The flexible needle stop includes a normally unfolded needle impenetrable needle barrier formed of a flexible foldable material. The flexible foldable material can be a single layer sheet material, a wire mesh material and/or one or more layers of scale-like components arranged side by side. The scale-like components are physically unconnected and of a size that permits flexion of the needle stop that incorporates the scale-like components. The flexible needle stop member can include a bead-like periphery which affords the needle stop member with a resilient memory and helps restore the needle stop member to its normally unfolded condition after a folding restraint is removed. The needle stop can be freely disposed within a fill chamber of a tissue expander, attached to an inner surface of the fill chamber or incorporated in the shell wall of a tissue expander.
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