Patient Selectable Joint Arthroplasty Devices and Surgical Tools
First Claim
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1. A surgical instrument for use in surgically replacing or resurfacing portions of or an entire hip joint of a patient, comprising:
- a body having a patient-specific surface and a guide to direct or accommodate a surgical tool;
wherein the patient-specific surface has at least a portion that substantially matches a corresponding surface of the hip joint;
wherein the guide is configured relative to the patient-specific surface to provide a predefined path for the surgical tool that is aligned through a portion of tissue associated with the hip joint when the patient specific surface is placed against and aligned with the surface; and
wherein the path for the surgical tool is configured to provide a predefined degree of anteversion of at least one acetabular or femoral implant when the patient specific surface is placed against and aligned with the surface.
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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.
253 Citations
3 Claims
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1. A surgical instrument for use in surgically replacing or resurfacing portions of or an entire hip joint of a patient, comprising:
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a body having a patient-specific surface and a guide to direct or accommodate a surgical tool; wherein the patient-specific surface has at least a portion that substantially matches a corresponding surface of the hip joint; wherein the guide is configured relative to the patient-specific surface to provide a predefined path for the surgical tool that is aligned through a portion of tissue associated with the hip joint when the patient specific surface is placed against and aligned with the surface; and wherein the path for the surgical tool is configured to provide a predefined degree of anteversion of at least one acetabular or femoral implant when the patient specific surface is placed against and aligned with the surface.
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2. A surgical instrument for use in surgically replacing or resurfacing portions of or an entire hip joint of a patient, comprising:
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a body having a patient-specific surface and a guide to direct or accommodate a surgical tool; wherein the patient-specific surface has at least a portion that substantially matches a corresponding surface of the hip joint; wherein the guide is configured relative to the patient-specific surface to provide a predefined path for the surgical tool that is aligned through a portion of tissue associated with the hip joint when the patient specific surface is placed against and aligned with the surface; and wherein the path for the surgical tool is configured to provide a predefined degree of rotation of at least one acetabular or femoral implant when the patient specific surface is placed against and aligned with the surface.
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3. A surgical instrument for use in surgically replacing or resurfacing portions of or an entire hip joint of a patient, comprising:
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a body having a patient-specific surface and a guide to direct or accommodate a surgical tool; wherein the patient-specific surface has at least a portion that substantially matches a corresponding surface of the hip joint; wherein the guide is configured relative to the patient-specific surface to provide a predefined path for the surgical tool that is aligned through a portion of tissue associated with the hip joint when the patient specific surface is placed against and aligned with the surface; and wherein the path for the surgical tool is configured to provide a predefined degree of tilting of at least one acetabular implant when the patient specific surface is placed against and aligned with the surface.
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Specification