Hemostasis valve, system and assembly
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United States of America Patent
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Apr 24, 2001
Grant Date -
N/A
app pub date -
Jan 29, 1999
filing date -
Oct 23, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A hemostasis valve including a collapsible membrane in a portion of a through-lumen. Fluid pressure in a chamber surrounding the collapsible membrane assists in sealing the collapsible membrane around an operating device inserted through the hemostasis valve. Different mechanisms for mechanically deforming the collapsible membrane to assist in sealing are disclosed. Also, a system for continuously flushing a vascular catheter connected to a hemostasis valve at a rate of 0.10 to 10.0 cubic centimeters per minute, and a hemostasis valve assembly including an expandable reservoir which stores liquid volume under pressure.
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