Endoscope insertion cannula assembly
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United States of America Patent
Stats
-
Sep 9, 1986
Grant Date -
N/A
app pub date -
Apr 18, 1984
filing date -
Apr 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An endoscope insertion cannula assembly including an endoscope housing and axially projecting body having an endoscope tip. An adapter is affixed about the endoscope housing, and a guide is affixed about the adapter. A spring and a seal are also affixed about the adapter. The endoscope instrument, together with the associated adapter, spring and guide, are inserted into a cannula housing. A pin on the inside of the cannula housing interacts with an angled slot on the distal surface of the guide to rotate the endoscope instrument into its proper rotational orientation. A hole in a cam surface of the spring then receives the pin on the inside of the cannula housing to control the axial orientation of the tip of the endoscope instrument with respect to the tip of the cannula tube.
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