Endoscopic accessory attachment mechanism

Details Endoscopic accessory attachment mechanism Endoscopic accessory attachment mechanism

2005-03-22

2005-03-22

Flanagan, Beverly M. (Department: 3739)

Surgery

Endoscope

With non-optical distal tip attachment

C600S129000, C600S104000

Reexamination Certificate

active

06869395

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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“RapidFire™ Multiple Band Ligator—Information for Use”, Bard Interventional Products Division, C. R. Bard, Inc., No. AE1904601/01, Issued 06/96.

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