PATIENT-SPECIFIC SURGICAL TOOLS FOR KNEE OSTEOTOMIEs
AssigneeLaboratoires Bodycad Inc.
InventorsJean Robichaud, Hugo Robichaud, Geoffroy Rivet-Sabourin
Life of this patent
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Abstract
A patient-specific tool for performing a knee osteotomy procedure on a patient's tibia bone, the patient's tibia bone having a wedge opening defining a top interior surface and a bottom interior surface, the tool comprising: a body including a wedge element sized and shaped to fit in the wedge opening, the wedge element having at least one bone contacting surface having contours complementary in shape to surface contours of the top and bottom interior surfaces of the patient's tibia bone.
Claims24
A patient-specific tool for performing a knee osteotomy procedure on a patient's tibia bone, the patient's tibia bone having a wedge opening defining a top interior surface and a bottom interior surface, the tool comprising:
- a body including a wedge element sized and shaped to fit in the wedge opening, the wedge element having at least one bone contacting surface having contours complementary in shape to surface contours of the top and bottom interior surfaces of the patient's tibia bone.
A patient-specific opening validating tool for validating a wedge opening of a patient's tibia bone during a knee osteotomy procedure, the patient's tibia bone having a wedge opening defining a top interior surface and a bottom interior surface, the tool comprising:
- a body having a handle end to facilitate manipulation of the tool during the knee osteotomy procedure and an operative end comprising a wedge element shaped and configured to fit snugly in the wedge opening in the patient's tibia bone based on an expected shape thereof as determined according to a preoperative plan.
A method for validating a wedge opening of a patient's tibia bone during a knee osteotomy procedure, the wedge opening having top and bottom interior surfaces, the method comprising:
- providing an opening validating tool including a body having a handle end and an operative end comprising a wedge element shaped and configured to fit snugly in the wedge opening in the patient's tibia bone based on the expected shape thereof as determined according to a preoperative plan;
- inserting the opening validating tool into the wedge opening using the handle end such that the wedge element conforms to the contour of interior surfaces of the wedge opening, wherein a snug fit of the wedge element confirms that the correct opening has been formed and an incorrect fit of the wedge element indicates that an adjustment of the wedge opening is necessary.
A patient-specific predrilling guide for performing a knee osteotomy procedure on a patient's tibia bone, the patient's tibia bone having a wedge opening having a top interior surface and a bottom interior surface, the guide comprising:
- a body for securing to the patient's tibia bone, the body having a bone interface side configured to be positioned against the patient's tibia bone and an operative side comprising a plurality of drill guides extending therefrom for guiding corresponding drill bits for predrilling holes in the patient's tibia bone for receiving fasteners to secure one of a plate and an implant to the patient's tibia bone;
- and
- a wedge element extending from bone interface side, the wedge element having at least one bone contacting surface having contours complementary in shape to surface contours of the top and bottom interior surfaces of the patient's tibia bone to allow the guide to be secured at a predetermined position relative to the wedge opening.
(canceled)
Dependencies are inferred from the claim text.