| http://www.w3.org/ns/prov#value | - Note that FIGS. 10A and 10B illustrate the cross-sectional configuration of the device, and show catheter 19 with four lumens-one each 71 and 77 for inflating and deflating the positioning balloons 70 and 76, one 23 for inflating the anchoring balloon itself, and one 22 for passing through a guide wire or injecting or withdrawing fluids such as contrast or blood.
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