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PERCUTANEOUS ACCESS DEVICES AND BONE ANCHOR ASSEMBLIES
专利权人:
MEDOS INTERNATIONAL SARL
发明人:
Christopher Sicvol,Erasmo Lopez,Ramon Ruberte
申请号:
US15438803
公开号:
US20170156762A1
申请日:
2017.02.22
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A percutaneous access device includes an inner tube and an outer tube disposed about at least a portion of the inner tube. The outer tube may be sized to span from a skin incision in a patient to a site proximate the spine of the patient. The distal end of the outer tube may be adapted to releasably engage a bone anchor. The inner tube may be adjustable relative to the outer tube between a first position and a second position in which the distal end of the inner tube contacts the bone anchor. A bone anchor assembly includes a bone anchor having a distal bone engaging portion and a receiving member having a recess for receiving a spinal fixation element. The proximal end of the receiving member may have an arcuate groove formed on an exterior surface thereof to facilitate connection of an instrument to the receiving member.
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