Patient-specific orthopedic instruments
First Claim
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1. An orthopedic system comprising:
- a patient-specific alignment guide operable for preparing a bone of a patient during joint arthroplasty, the alignment guide including a patient-specific bone engagement surface configured to be complementary to a surface of the bone of the patient, the alignment guide including a plurality of guiding bores;
a plurality of alignment members receivable through corresponding guiding bores for attaching the alignment guide to the bone;
a cutting block; and
one or more pins, wherein a one of the plurality of alignment members or the one or more pins are cannulated and configured to receive the other of the plurality of alignment members or the one or more pins to mount the cutting block into a desired position relative to the bone.
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Abstract
A method of preparing a distal femur for a knee joint implant includes mounting a patient-specific bone engagement surface of a femoral alignment guide on a complementary surface of a distal femur of a patient. A plurality of alignment pins is inserted through a corresponding plurality of guiding bores of the femoral alignment guide into the distal femur. A cutting guide is mounted on first and second alignment pins of the plurality of alignment pins, and a first resection of the distal femur is made using the cutting guide while cutting through the femoral alignment guide.
1655 Citations
19 Claims
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1. An orthopedic system comprising:
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a patient-specific alignment guide operable for preparing a bone of a patient during joint arthroplasty, the alignment guide including a patient-specific bone engagement surface configured to be complementary to a surface of the bone of the patient, the alignment guide including a plurality of guiding bores; a plurality of alignment members receivable through corresponding guiding bores for attaching the alignment guide to the bone; a cutting block; and one or more pins, wherein a one of the plurality of alignment members or the one or more pins are cannulated and configured to receive the other of the plurality of alignment members or the one or more pins to mount the cutting block into a desired position relative to the bone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An orthopedic system comprising:
- a patient-specific alignment guide operable for preparing a bone of a patient during joint arthroplasty, the alignment guide including a patient-specific bone engagement surface configured to be complementary to a surface of the bone of the patient, the alignment guide including a plurality of guiding bores;
a plurality of alignment members receivable through corresponding guiding bores for attaching the alignment guide to the bone;
a cutting block mountable to one or more of the plurality of alignment members and configured to guide a first resection of the bone by cutting through the alignment guide; and
one or more pins, wherein a one of the plurality of alignment members or the one or more pins are cannulated and configured to receive the other of the plurality of alignment members or the one or more pins to mount the cutting block into a desired position relative to the bone. - View Dependent Claims (19)
- a patient-specific alignment guide operable for preparing a bone of a patient during joint arthroplasty, the alignment guide including a patient-specific bone engagement surface configured to be complementary to a surface of the bone of the patient, the alignment guide including a plurality of guiding bores;
Specification