Methods and apparatuses for image guided medical procedures
First Claim
1. A system for imaging a body to guide a medical operation, the system comprising:
- a transducer to scan an anatomy;
a signal processing unit coupled to the transducer to generate a plurality of first images of the anatomy including a heart, each of the first images corresponding to a particular position and orientation of the transducer relative to the anatomy;
means for combining the plurality of first images of the anatomy into a recorded image of the anatomy, the recorded image having a field of view of the anatomy larger than each of the plurality of first images;
means for obtaining a real time image of the anatomy during the medical operation, the real time image having a field of view of the anatomy smaller than the recorded image, the real time image containing an image of a medical device used in the medical operation in a portion of the anatomy;
means for receiving real time measurements of a cardiac parameter;
means for determining a cardiac phase in which the real time image corresponds to based on the real time measurements of a cardiac parameter;
means for selecting the recorded image based on the cardiac phase from a plurality recorded images that are associated with different cardiac phase of the heart, before aligning the real time image with the recorded image; and
means for aligning the real time image with the recorded image through correlation of imaging data from the real time image and the recorded image to determine a spatial relation between the real time image and the recorded image.
2 Assignments
0 Petitions
Accused Products
Abstract
Methods and apparatuses for the image guidance and documentation of medical procedures. One embodiment includes combining small field of view images into a recorded image of with a large field of view and aligning the small field of view real time image with the recorded image through correlation of imaging data. A location and orientation determination system may be used to track the imaging system and provide a starting set of image alignment parameters and/or provide change updates to a set of image alignment parameters, which is then further improved through correlating imaging data. The recorded image may be selected according to real time measurement of a cardiac parameter during an image guided cardiac procedure. Image manipulations planned based on the recorded image can be stored and applied to the real time information. The position of the medical device may be determined and recorded through manipulating a cursor in a 3-D image space shown in two non-parallel views.
378 Citations
28 Claims
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1. A system for imaging a body to guide a medical operation, the system comprising:
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a transducer to scan an anatomy; a signal processing unit coupled to the transducer to generate a plurality of first images of the anatomy including a heart, each of the first images corresponding to a particular position and orientation of the transducer relative to the anatomy; means for combining the plurality of first images of the anatomy into a recorded image of the anatomy, the recorded image having a field of view of the anatomy larger than each of the plurality of first images; means for obtaining a real time image of the anatomy during the medical operation, the real time image having a field of view of the anatomy smaller than the recorded image, the real time image containing an image of a medical device used in the medical operation in a portion of the anatomy; means for receiving real time measurements of a cardiac parameter; means for determining a cardiac phase in which the real time image corresponds to based on the real time measurements of a cardiac parameter; means for selecting the recorded image based on the cardiac phase from a plurality recorded images that are associated with different cardiac phase of the heart, before aligning the real time image with the recorded image; and means for aligning the real time image with the recorded image through correlation of imaging data from the real time image and the recorded image to determine a spatial relation between the real time image and the recorded image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method to guide a medical operation, the method comprising:
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obtaining a plurality of first images of an anatomy comprising a heart; combining the plurality of first images of the anatomy into a recorded image of the anatomy, the recorded image having a field of view of the anatomy larger than each of the plurality of first images; obtaining a real time image of the anatomy during the medical operation, the real time image having a field of view of the anatomy smaller than the recorded image, the real time image containing an image of a medical device used in the medical operation in a portion of the anatomy; receiving real time measurements of a cardiac parameter; determining a cardiac phase in which the real time image corresponds to based on the real time measurements of a cardiac parameter; selecting the recorded image based on the cardiac phase from a plurality of recorded images that are associated with different cardiac phases of the heart before said aligning; and aligning the real time image with the recorded image through correlation of imaging data from the real time image and the recorded image to determine a spatial relation between the real time image and the recorded image. - View Dependent Claims (14, 15, 16)
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17. A non-transitory machine readable storage medium containing executable computer program instructions which when executed by a data processing system cause said system to perform a method to guide a medical operation, the method comprising:
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obtaining a plurality of first images of an anatomy; combining the plurality of first images of the anatomy into a recorded image of the anatomy, the recorded image having a field of view of the anatomy larger than each of the plurality of first images; obtaining a real time image of the anatomy during the medical operation, the real time image having a field of view of the anatomy smaller than the recorded image, the real time image containing an image of a medical device used in the medical operation in a portion of the anatomy; receiving real measurements of a cardiac parameter; determining a cardiac phase in which the real image corresponds to based on the real time measurements of a cardiac parameter selecting the recorded image based on the cardiac phase from a recorded images that are associated with different cardiac phases of the heart before said aligning; and aligning the real time image with the recorded image through correlation of imaging data from the real time image and the recorded image to determine a spatial relation between the real time image and the recorded image. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification