Patient-specific elbow guides and associated methods
First Claim
Patent Images
1. A medical device for an elbow joint comprising:
- a patient-specific alignment guide including a three-dimensional engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to a corresponding surface portion of a distal humerus of a patient'"'"'s elbow joint, the alignment guide defining a first longitudinal guiding bore and a second longitudinal guiding bore parallel to the first longitudinal bore, the first longitudinal bore configured to be aligned with a medial-lateral anatomic axis of the elbow joint of the patient when the alignment guide is mounted onto the corresponding surface portion.
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Abstract
A patient-specific alignment guide includes a three-dimensional engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to a corresponding bone portion of a patient'"'"'s elbow joint. The patient-specific alignment guide defines a first longitudinal guiding bore aligned with a reference axis associated with the elbow joint of patient when the alignment guide is mounted onto the corresponding bone portion.
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Citations
20 Claims
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1. A medical device for an elbow joint comprising:
a patient-specific alignment guide including a three-dimensional engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to a corresponding surface portion of a distal humerus of a patient'"'"'s elbow joint, the alignment guide defining a first longitudinal guiding bore and a second longitudinal guiding bore parallel to the first longitudinal bore, the first longitudinal bore configured to be aligned with a medial-lateral anatomic axis of the elbow joint of the patient when the alignment guide is mounted onto the corresponding surface portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A medical device for an elbow joint comprising:
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a patient-specific alignment guide including a three-dimensional engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to a corresponding surface portion of a distal humerus of a patient'"'"'s elbow joint, the alignment guide defining a first longitudinal guiding bore and a second longitudinal guiding bore parallel to the first longitudinal bore, the first longitudinal bore configured to be aligned along a medial-lateral anatomic axis of the elbow joint of the patient when the alignment guide is mounted onto the corresponding surface portion; first and second alignment pins received through the first and second longitudinal bores and configured to be affixed to the distal humerus in a medial-lateral direction; and a posterior cutting guide including a posterior cutting component and a posterior guiding component, the posterior cutting component configured to abut a posterior surface of the humerus and having an elongated cutting slot aligned in the medial-lateral direction for cutting the distal humerus to form a distal resected surface, the posterior guiding component slidably coupled to the posterior cutting component, the posterior guiding component slidably mountable over the first and second alignment pins after the patient-specific alignment guide is removed from the humerus without removing the first and second alignment pins. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification