Patient selectable joint arthroplasty devices and surgical tools
First Claim
Patent Images
1. A patient specific surgical tool for use in surgery on a joint of a patient, comprising:
- a block having a patient specific surface and a surgical instrument guide;
the patient specific surface being substantially a negative of a corresponding surface portion of the joint that includes an osteophyte;
the surgical instrument guide being sized to accommodate a cutting or drilling tool and having a position and orientation relative to the patient specific surface to provide a predetermined cutting or drilling path for the cutting or drilling tool that is aligned through a portion of tissue of the joint, wherein the joint of the patient is an ankle joint of the patient.
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Accused Products
Abstract
Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.
590 Citations
30 Claims
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1. A patient specific surgical tool for use in surgery on a joint of a patient, comprising:
a block having a patient specific surface and a surgical instrument guide;
the patient specific surface being substantially a negative of a corresponding surface portion of the joint that includes an osteophyte;
the surgical instrument guide being sized to accommodate a cutting or drilling tool and having a position and orientation relative to the patient specific surface to provide a predetermined cutting or drilling path for the cutting or drilling tool that is aligned through a portion of tissue of the joint, wherein the joint of the patient is an ankle joint of the patient.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A patient specific surgical tool for use in surgically repairing a joint of a patient, comprising:
a cutting or drilling block having a patient specific surface and a surgical instrument guide;
the patient specific surface having a first portion that is substantially a negative of a corresponding portion of a surface associated with the joint and a second portion that is configured to substantially avoid contact with one or more osteophytes of the joint when the first portion is engaged and aligned with the corresponding portion of the surface of the joint;
the surgical instrument guide being sized to accommodate a cutting or drilling tool and have a position and orientation relative to the patient specific surface to provide a predetermined cutting or drilling path for the cutting or drilling tool that is aligned through a portion of tissue of the joint when the first portion is engaged and aligned with the corresponding portion of the surface of the joint, wherein the joint of the patient is an ankle joint of the patient.- View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A surgical tool for use in surgically repairing a joint of a patient, comprising:
a block having a patient specific surface and a surgical instrument guide sized to accommodate a surgical tool;
the patient specific surface having at least a portion that is substantially a negative of a joint surface of the patient that includes an osteophyte;
the surgical instrument guide having a position and orientation relative to the patient specific surface to provide a predetermined path for cutting or drilling when the patient specific surface is placed against the joint surface of the patient such that the surgical instrument guide has a predetermined alignment relative to an anatomical or biomechanical axis of the joint of the patient, wherein the joint of the patient is an ankle joint.
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29. A surgical tool system for use in surgically repairing a joint of a patient, comprising:
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a first tool including a first block having a first patient specific surface and a first surgical instrument guide sized to accommodate a surgical tool;
the patient specific surface having at least a portion that is substantially a negative of a first surface of the joint of the patient that includes an osteophyte;
the surgical instrument guide having a position and orientation relative to the patient specific surface to provide a predetermined path for cutting or drilling when the patient specific surface is placed against the joint surface of the patient such that the surgical instrument guide has a predetermined alignment relative to an anatomical or biomechanical axis of the joint of the patient;a second tool including a second block having a second patient specific surface and a second surgical instrument guide aperture;
the second patient specific surface having at least a portion that is substantially a negative of a second surface of the joint of the patient;
the second surgical instrument guide having a position and orientation relative to the second patient specific surface to provide a second predetermined path for cutting or drilling when the second patient specific surface is placed against the joint surface of the patient such that the surgical instrument guide aperture has a predetermined alignment relative to an anatomical or biomechanical axis of the joint of the patient,wherein the joint of the patient is an ankle joint. - View Dependent Claims (30)
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Specification