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US 2013/0296874 A1Published application
Tibial guides, tools, and techniques for resecting the tibial plateau
AssigneeConforMIS, Inc.
InventorNam T. Chao
Life of this patent
Estimating the term…
Abstract
Various patient-specific tibial guide housings, patient-specific tibial guide boxes, and methods of resecting the tibial plateau are disclosed herein.
Claims20
A tibial guide housing for use in treatment of a tibia of a patient, the tibia having a tibial plateau, the tibial guide housing comprising:
- a top side generally opposite a bottom side and a front side generally opposite a back side;
- a first reference arm having a patient-specific contact surface configured to conform to a first portion of a superior surface of the tibia;
- a second reference arm having a patient-specific contact surface configured to conform to a second portion of the superior surface of the tibia;
- and
- at least one pin hole configured to accommodate insertion of a pin through the tibial guide housing and into the tibia,
- wherein the back side includes a patient-specific contact surface configured to conform to a portion of an anterior surface of the tibia.
3 more elements
A system for preparing a tibial plateau of a tibia of a patient, the system comprising:
- a tibial guide housing, the tibial guide housing comprising:
- a top side generally opposite a bottom side and a front side generally opposite a back side;
- a first reference arm having a patient-specific contact surface configured to conform to a first portion of a superior surface of the tibia;
- a second reference arm having a patient-specific contact surface configured to conform to a second portion of the superior surface of the tibia;
- and
- at least one pin hole configured to accommodate insertion of a pin through the tibial guide housing and into the tibia,
- wherein the back side includes a patient-specific contact surface configured to conform to a portion of the anterior surface of the tibia;
- one or more tibial cutting guide boxes, each of the one or more tibial cutting guide boxes comprising:
- a patient-specific contact surface configured to conform to a portion of an anterior surface of the tibia;
- a guide aperture configured to accommodate a surgical cutting tool and guide the cutting tool along a cutting plane having a predetermined cut depth and angle;
- and
- at least one pin hole configured to accommodate a pin passing into the tibia.
9 more elements
A method of preparing a tibial plateau of a tibia of a knee joint of a patient for implantation of at least one prosthesis, the method comprising:
- providing a tibial guide housing, the tibial guide housing including:
- a first reference arm having a patient-specific contact surface configured to conform to a first portion of a superior surface of the tibia;
- a second reference arm having a patient-specific contact surface configured to conform to a second portion of the superior surface of the tibia;
- and
- a back side having a patient-specific contact surface configured to conform to a portion of an anterior surface of the tibia;
- providing a first tibial cutting guide box, the first tibial cutting guide box including:
- a patient-specific contact surface configured to conform to a portion of the anterior surface of the tibia;
- and
- a guide aperture configured to accommodate a surgical cutting tool and guide the cutting tool along a cutting plane having a predetermined cut depth and angle;
- positioning the tibial guide housing on the tibia such that each of the patient-specific contact surfaces of the tibial guide housing achieves a conforming fit with the tibia;
- positioning the first tibial cutting guide box such that the patient-specific contact surface of the first tibial cutting guide box achieves a conforming fit with the tibia;
- and
- inserting a cutting device through the guide aperture and cutting a portion of the tibia along the cutting plane.
10 more elements
Dependencies are inferred from the claim text.