US Patent:
20050159770, Jul 21, 2005
Inventors:
Afshin Divani - Encino CA, US
Adnan Qureshi - Orange NJ, US
Robert LuDuca - Santa Cruz CA, US
Assignee:
DIQUR MEDICAL SYSTEMS, LLC - Encino
International Classification:
A61M029/00
Abstract:
A funnel or cone-shaped portion of a funnel device is fixed to the distal end of a guide catheter. The funnel is configured with an adjustable opening. The funnel can be fixed to a guide catheter and the orifice of the funnel may be expanded or collapsed via adjusting the tension on a wire controlling the size of the orifice. Alternatively, an outer catheter over the funnel is used to adjust the orifice. The funnel may include a pair of expandable rings of different diameter, or it may be configured from braided wires heat-shaped into a funnel. Preferably, a funnel sheath is provided. An engagement member may be provided on a support member.