Self-sealing hemostasis valve apparatus and method of forming the same
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United States of America Patent
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Apr 21, 1992
Grant Date -
N/A
app pub date -
Aug 23, 1990
filing date -
Aug 23, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-sealing valve to accommodate the passage of elongate elements. The valve comprises an elastomeric body having a passage extending therethrough which is held in compression by an elastomeric sleeve disposed around the body. The passage includes an enlarged chamber intermediate its ends and at least a portion of the passage takes the form of a puncture. In use, the passage functions to seal around an elongate element extended therethrough and the chamber reduces friction on the element and provides a void into which the material of the elastomeric body may be displaced without disturbing the seal. A method of forming the valve with a bulbous-ended mandrel is also disclosed.
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