IMPLANTABLE MEDICAL LEAD WITH COLLAPSIBLE FIXATION MEMBER

摘要

In various examples, a stimulation lead for at least partial implantation within a patient includes an elongate lead body and a sheath selectively attachable to the lead body. The sheath includes a fixation member. The fixation member includes a retracted configuration in which the fixation member is disposed proximate the sheath. In a deployed configuration, the fixation member extends radially outwardly from the sheath to anchor the stimulation lead within the patient. In a removal configuration, the fixation member is radially inwardly collapsible toward the longitudinal sheath axis with the lead body removed from within the sheath.

主权项

1. A stimulation lead for at least partial implantation within a patient, the stimulation lead comprising:
an elongate lead body including a distal end and a proximal end; and a sheath selectively attachable to the lead body, the sheath including:
a longitudinal sheath axis;a lumen extending from a proximal sheath end to a distal sheath end; anda fixation member disposed on the sheath; wherein, with the sheath attached to the lead body:
the lead body is disposed at least partially within the lumen of the sheath; andthe lead body and the sheath are substantially coaxial; wherein the fixation member includes:
a retracted configuration in which the fixation member is disposed proximate the sheath;a deployed configuration in which the fixation member extends radially outwardly from the sheath to anchor the stimulation lead within the patient; anda removal configuration in which the fixation member is radially inwardly collapsible toward the longitudinal sheath axis with the lead body removed from within the sheath.