| 摘要 |
<p>A biodegradable fiducial implant for use in establishing a common, stable frame of reference for preoperative and operative spinal images of a patient is disclosed. The implant includes a rigid, biodegradable body having a tapered insertion portion for inserting the implant in contact with a vertebra in the patient, where at least a portion of the implant being formed of a radio-opaque material. Also disclosed is a fiducial composition for use in generating a scan image of an internal target region of a patient.</p> |
