| http://www.w3.org/ns/prov#value | - In this case, the guide body tracking means 161 is a guide body tracking loop or cylinder attached to the pusher body distal end 169 of lead pusher 160 that fits over the guide body 156 and can be advanced distally or retracted proximally by manipulation of the proximal end of pusher body 162 outside the incision in the patient's skin.
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