Dual-lumen fistula needle
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United States of America Patent
Stats
-
Jun 23, 1987
Grant Date -
N/A
app pub date -
Apr 16, 1985
filing date -
Apr 16, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dual-lumen fistula needle for use in hemodialysis treatment. The needle has a gently tapered neck and is divided into arterial and venous lumens by a center septum which is bonded in place. The septum is formed so that the lumens have substantially equal cross sections substantially throughout the length of the needle to promote equal flow rates in the lumens. The diameter of the needle at the tip is similar to that of single-lumen needles in order to reduce discomfort on insertion.
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Family
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