Cyst puncture catheter assembly
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United States of America Patent
Stats
-
Apr 25, 1995
Grant Date -
N/A
app pub date -
Dec 30, 1993
filing date -
Dec 30, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The cyst puncture catheter assembly comprises: a catheter having a distal portion, a central lumen, an open distal end and a smaller-in-diameter distal end lumen between the central lumen and the open distal end; and, at least one stylet sized to fit within the catheter distal portion. The stylet comprises an elongate shaft having a distal end and a shoulder extending radially outwardly from the shaft at a location close to the stylet distal end. The distal portion of the catheter has an annular shoulder in the central lumen between the central lumen and the smaller-in-diameter lumen against which the shoulder on the stylet can seat so that the stylet and the catheter can be inserted together through tissue to a location of a cyst without the catheter moving longitudinally relative to the stylet.
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