Endoscopic accessory attachment mechanism
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United States of America Patent
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Mar 22, 2005
Grant Date -
Sep 11, 2003
app pub date -
Feb 11, 2003
filing date -
May 15, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides a mechanism for attaching accessory devices to the distal end of an endoscope or catheter. The engagement mechanism comprises a bracing member (392) that engages a surface of the endoscope (20) and a ramp surface (360), which applies a gripping force to an opposing surface of the endoscope, preferably through a wedge member (372). The bracing member (392) may comprise an elongate element that extends partially into the working channel of the endoscope or may comprise an element that engages a portion of the total circumference of the outside surface of the endoscope. The ramp surface (360) is inclined at an acute angle from the longitudinal axis of the endoscope and preferably engages with a slidable wedge in a cooperative arrangement that serves to reduce the distance between the wedge (372) and the bracing member (392) as the wedge slides on the ramp to engage a portion of the endoscope therebetween.
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