Patient-specific spinal implants and related systems and methods
First Claim
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1. A method for generating custom implants, comprising:
- programmatically analyzing a patient'"'"'s image data to electronically obtain shapes and dimensions of relevant anatomical features of a target region of the patient;
displaying an electronic model of a spinal implant based on the programmatically analyzing step;
accepting user input to electronically modify the model with a change in at least one of shape, size and material formulation of moldable material for the molded spinal implant; and
displaying a modified electronic model based on the user input with a corresponding change in anatomical structure in an anatomical model of the patient'"'"'s spine to thereby allow a user to view potential therapeutic outcomes or affect on a patient using different models of the spinal implant;
thenfabricating a patient-specific replacement, non-articulating molded spinal implant for the patient using the analyzed patient image data, wherein the molded spinal implant has a molded custom 3-D bone interface surface that has contours that match excisable natural bone at a contact surface of adjacent local bone of the patient.
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Abstract
Methods and systems for generating custom implants by programmatically analyzing a patient'"'"'s image data to electronically obtain shapes and dimensions of relevant anatomical features of a target region of the patient; and fabricating a patient-specific replacement implant for the patient using the analyzed patient image data. Related patient-specific spinal implants are also described.
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Citations
18 Claims
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1. A method for generating custom implants, comprising:
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programmatically analyzing a patient'"'"'s image data to electronically obtain shapes and dimensions of relevant anatomical features of a target region of the patient; displaying an electronic model of a spinal implant based on the programmatically analyzing step; accepting user input to electronically modify the model with a change in at least one of shape, size and material formulation of moldable material for the molded spinal implant; and displaying a modified electronic model based on the user input with a corresponding change in anatomical structure in an anatomical model of the patient'"'"'s spine to thereby allow a user to view potential therapeutic outcomes or affect on a patient using different models of the spinal implant; then fabricating a patient-specific replacement, non-articulating molded spinal implant for the patient using the analyzed patient image data, wherein the molded spinal implant has a molded custom 3-D bone interface surface that has contours that match excisable natural bone at a contact surface of adjacent local bone of the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for generating custom spinal implants, comprising:
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programmatically analyzing a patient'"'"'s image data to electronically obtain shapes and dimensions of relevant anatomical features of a spinal region of the patient; electronically defining an electronic model of a molded implant using the analysis of the patient image data; accepting user input to adjust the electronic model of the molded implant including to electronically select different moldable material formulations for the electronic model of the molded implant to define at least one of the following;
stiffness, hardness, flexibility, compression, tensile strength, torsional strength, or locally increased or decreased hardness at an inferior or superior surface, to thereby further customize the implant to the patient;electronically displaying different electronic models of the molded implant, with at least one of (i) different sizes, (ii) different shapes, (iii) different shapes and sizes, or (iv) different material formulations, in an anatomical model of the patient'"'"'s spine in a manner that shows a change in spine alignment or position based on the different implant models; and electronically defining a configuration of a single-use custom mold with an enclosed mold cavity shape based on a user selected electronic model of the molded implant. - View Dependent Claims (17, 18)
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Specification