Device having a funnel for guiding surgical tools into a body cavity
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United States of America Patent
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-
Jan 2, 2001
Grant Date -
N/A
app pub date -
Mar 8, 1999
filing date -
Jul 18, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The trocar assembly of the present invention includes a tubular body portion, a sleeve, a unidirectional sealing means included within the sleeve and a funnel portion mounted around the sleeve. A perforating tool is insertable through the funnel, through the unidirectional sealing means and thence through the tubular portion of the trocar assembly into the body of a patient. All portions of the trocar assembly of the present invention are formed from materials which may not be readily sterilized by immersion in a sterilizing bath or autoclaving. Thus, the single use trocar assembly of the present invention may be only used once and will be destroyed if an attempt is made to resterilize the entire trocar assembly or any portion thereof.
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