Sealing cannula device
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United States of America Patent
Stats
-
Apr 3, 2001
Grant Date -
N/A
app pub date -
Jan 13, 1999
filing date -
Jan 13, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention relates to a sealing cannula device which can be easily and properly inserted while effectively sealing an incision made during a surgical or non-surgical process. The sealing cannula device includes a cannula sleeve having an external flange and tissue engaging threads. The screw threads on the external surface of the cannula sleeve allows the device to be easily screwed through an incision made in a body cavity wall or blood vessel until the tissue abuts against the flange. The vessel or body cavity wall is compressed between the flange and a flat surface formed by the helical thread. An effective compression seal is formed between the device and cavity or vessel wall which protects the puncture site from environmental contaminants. An axial through hole in the device provides vascular or body cavity access during surgical or non-surgical procedures.
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