Patient-specific sacroiliac guides and associated methods
First Claim
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1. A method for lumbopelvic fixation comprising:
- providing a convertible patient-specific alignment guide for a patient'"'"'s pelvis, the convertible patient-specific alignment guide including first and second patient-specific portions coupled by a bridge;
intraoperatively selecting one of unilateral fixation, iliac fixation, sacral fixation and bilateral sacroiliac fixation procedure for the patient; and
reconfiguring the convertible patient-specific alignment guide to a corresponding patient-specific alignment guide for the selected fixation procedure.
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Abstract
A patient-specific alignment guide includes a patient-specific portion and a guiding element having a through opening. The patient-specific portion has a patient-specific surface preoperatively configured to mate as a negative of a portion of an iliac crest of a pelvis of a specific patient and mate to the iliac crest only in one position. The guiding element has a preoperatively configured orientation and location relative to the patient-specific portion for preparing a bore in the bone of the patient to direct a bone screw at the preoperatively configured orientation and location for sacroiliac fixation.
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Citations
20 Claims
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1. A method for lumbopelvic fixation comprising:
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providing a convertible patient-specific alignment guide for a patient'"'"'s pelvis, the convertible patient-specific alignment guide including first and second patient-specific portions coupled by a bridge; intraoperatively selecting one of unilateral fixation, iliac fixation, sacral fixation and bilateral sacroiliac fixation procedure for the patient; and reconfiguring the convertible patient-specific alignment guide to a corresponding patient-specific alignment guide for the selected fixation procedure. - View Dependent Claims (2, 3, 4, 5)
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6. A method for lumbopelvic fixation comprising:
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providing a convertible patient-specific alignment guide for a pelvis of a patient, the convertible patient-specific alignment guide including first and second modular portions coupled to each other; selecting one of unilateral fixation, iliac fixation, sacral fixation and bilateral sacroiliac fixation procedure for the patient; and configuring the convertible patient-specific alignment guide to arrange the first and second modular portions to correspond to the selected fixation procedure. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for lumbopelvic fixation comprising:
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evaluating a convertible patient-specific alignment guide for a pelvis of a patient, the convertible patient-specific alignment guide including an iliac guiding element and a sacral guiding element coupled to each other; selecting between performing one or both of an iliac fixation procedure and a sacral fixation procedure for the patient; and reconfiguring the convertible patient-specific alignment guide to a corresponding patient-specific alignment guide for the selected fixation procedure. - View Dependent Claims (18, 19, 20)
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Specification