| 摘要 |
Disclosed is an expandable percutaneous sheath (100), for introduction into the body while in a first, low cross- sectional area configuration, and subsequent expansion to a second, enlarged cross-sectional configuration. The sheath is maintained in the first, low cross-sectional configuration by a removable tubular restraint (200). In one application, the sheath is utilized to introduce a formed in place orthopedic fixation rod such as for use in spinal fixation procedures.
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