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US 12,708,517 B2Granted
Systems and methods for orthopedic implants
AssigneeCarlsmed, Inc.
InventorsNiall Patrick Casey, Michael J. Cordonnier
Life of this patent
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Abstract
A system and computer-implemented method for manufacturing an orthopedic implant involves segmenting features in an image of anatomy. Anatomic elements can be isolated. Spatial relationships between the isolated anatomic elements can be manipulated. Negative space between anatomic elements is mapped before and/or after manipulating the spatial relationships. At least a portion of the negative space can be filled with a virtual implant. The virtual implant can be used to design and manufacture a physical implant.
Claims28
A method comprising:
- receiving at least one image of a patient;
- generating, using a computer system, a virtual model representing at least a portion of a spine of the patient in the at least one image;
- determining one or more spatial relationships between anatomical elements of the virtual model to represent an anatomical correction;
- designing a patient-specific interbody cage configured to be implanted along the spine of the patient, the patient-specific interbody cage including
- a first patient-specific endplate with a first topography configured to match a first surface of a first vertebral endplate of the patient, wherein the first vertebral endplate includes a graft-receiving aperture;
- a second patient-specific endplate with a second topography configured to match a second surface of a second vertebral endplate of the patient, wherein the first topography is different from the second topography;
- a graft chamber extending from the graft-receiving aperture and configured to hold graft material delivered through the graft-receiving aperture;
- a sidewall extending between the first vertebral endplate and the second vertebral endplate, wherein the sidewall includes at least one lattice region, and
- a solid region extending from the at least one lattice region to the first patient-specific endplate, wherein the solid region at least partially defines a patient-specific solid edge region extending about and surrounding the first patient-specific endplate;
- and
- manufacturing the patient-specific interbody cage.
8 more elements
An anti-subsidence spinal implant system comprising:
- a patient-specific interbody cage configured to be implanted along a spine of a patient, the patient-specific interbody cage including
- a first patient-specific endplate with a first topography configured to match a first surface of a first vertebral endplate of the patient, wherein the first vertebral endplate includes a graft-receiving aperture;
- a second patient-specific endplate with a second topography configured to match a second surface of a second vertebral endplate of the patient, wherein the first topography is different from the second topography;
- a graft chamber extending from the graft-receiving aperture and configured to hold graft material delivered through the graft-receiving aperture;
- a sidewall extending between the first vertebral endplate and the second vertebral endplate, wherein the sidewall includes at least one lattice region, and
- a solid region extending from the at least one lattice region to the first patient-specific endplate, wherein the solid region at least partially defines a patient-specific solid edge region extending about and surrounding the first patient-specific endplate.
3 more elements
An anti-subsidence spinal implant system comprising:
- a patient-specific interbody cage configured to be implanted along a spine of a patient, the patient-specific interbody cage including
- a first patient-specific endplate with a first irregular contoured surface to mate with a first vertebral endplate of the patient;
- a second patient-specific endplate with a second irregular contoured surface to mate with a second vertebral endplate of the patient, wherein the first irregular contoured surface is different from the second irregular contoured surface;
- and
- a body extending between the first vertebral endplate and the second vertebral endplate and defining a graft holding chamber, wherein the body includes
- a plurality of lattice regions having different sizes and being located directly between the first patient-specific endplate and the second patient-specific endplate and defining at least a portion of the graft holding chamber,
- a patient-specific solid edge region extending about an entire periphery of the first patient-specific endplate, and
- a plurality of struts coupled to the patient-specific solid edge region and extending along one or more of the plurality of lattice regions.
5 more elements
Dependencies are inferred from the claim text.