| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a minimally invasive device for introducing a spinal fixation element to one or more spinal anchor sites within a patient's spine. <P>SOLUTION: A percutaneous access system for introducing the spinal fixation element into a patient's body includes: a plurality of spinal anchors that are adapted to be implanted in bone; a plurality of elongate, generally cylindrical hollow tubes, which have a proximal end, a distal end that is adapted to mate to the spinal anchor, and at least one sidewall opening extending from the distal end of the hollow tube and terminating at a position distal to the proximal end; a manipulator instrument adapted to engage the spinal fixation element; and the spinal fixation element that is adapted to be engaged by the manipulator instrument and positioned in relation to at least two spinal anchors disposed within adjacent vertebra. <P>COPYRIGHT: (C)2011,JPO&INPIT |
