METHOD AND SYSTEM FOR REGISTERING A BONE OF A PATIENT WITH A COMPUTER ASSISTED ORTHOPAEDIC SURGERY SYSTEM
First Claim
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1. A method for registering a bone of a patient with a computer assisted orthopaedic surgery system, the method comprising:
- retrieving an image of the bone including indicia of the position of a magnetic source coupled to the bone, the image defining an image coordinate system;
determining a position of a reference array coupled to the bone, the reference array defining a bone coordinate system;
determining first data indicative of the position of the magnetic source in the bone coordinate system;
determining second data indicative of a correlation between the image coordinate system and the bone coordinate system based on the first data; and
displaying an image of the bone in a position determined based on the second data.
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Abstract
A method and system for registering a bone of a patient with a computer assisted orthopaedic surgery system includes retrieving an image of the bone having indicia of the position of a magnetic source coupled thereto, determining first data indicative of the position of the magnetic source in a bone coordinate system, determining second data indicative of a correlation between a coordinate system of the image and the bone coordinate system based on the first data; and displaying an image of the bone based on the second data.
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Citations
30 Claims
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1. A method for registering a bone of a patient with a computer assisted orthopaedic surgery system, the method comprising:
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retrieving an image of the bone including indicia of the position of a magnetic source coupled to the bone, the image defining an image coordinate system; determining a position of a reference array coupled to the bone, the reference array defining a bone coordinate system; determining first data indicative of the position of the magnetic source in the bone coordinate system; determining second data indicative of a correlation between the image coordinate system and the bone coordinate system based on the first data; and displaying an image of the bone in a position determined based on the second data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A system for registering a bone of a patient to with a computer assisted orthopaedic surgery system, the system comprising:
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a first reference array configured to be coupled to the bone of the patient, the first reference array defining a first coordinate system; a display device; a processor electrically coupled to the display device; and a memory device electrically coupled to the processor, the memory device having stored therein a plurality of instructions, which when executed by the processor, cause the processor to; retrieve an image of the bone including indicia of the position of a magnetic source coupled to the bone, the image defining a second coordinate system; determine first data indicative of the position of the magnetic source in the first coordinate system; determine second data indicative of a correlation between the second coordinate system and the first coordinate system based on the first data; and display an image of the bone on the display device in a position determined based on the second data. - View Dependent Claims (20, 21, 22, 23, 24)
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25. A method for registering a bone of a patient with a computer assisted orthopaedic surgery system, the method comprising:
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determining the position of a magnet coupled to the bone in a first coordinate system defined by a magnetic sensor array; transforming the position of the magnet from the first coordinate system to a second coordinate system defined by a reference array coupled to the bone; generating first data indicative of the position of the magnet in the second coordinate system; retrieving an image of the bone having indicia of the position of the magnet, the image defining a third coordinate system; determining a transformation matrix for transforming the position of the magnet from the third coordinate system to the second coordinate system based on the first data; and displaying an image of the bone in a location and orientation determined using the transformation matrix. - View Dependent Claims (26, 27, 28, 29, 30)
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Specification