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[0113]by image tracking at least the set of image frames to reduce imaged motion
Problems solved by technology
Such images typically shift constantly and are also prone to blurring.
Consequently, such images are typically difficult to observe, and are difficult to use in making clinical decisions over an extend
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[0466]As used herein:[0467]The term “physiological signal or process” refers to any cyclical physiological signal or process in the patient's body including, but not limited to, ECG, blood pressure (e.g., systolic and diastolic), Peripheral Arterial Tone, EEG, respiration, the shifting / expansion / contraction of an organ, acquired images in which any of the above signals or processes may be observed, or any combination, derivation, extrapolation or manipulation thereof.[0468]The terms “medical tool,”“tool” and “probe” mean any type of a diagnostic or therapeutic or other functional tool including, but not limited to, a cardiovascular catheter, a stent delivery and / or placement and / or retrieval tool, a balloon delivery and / or placement and / or retrieval tool, a valve delivery and / or placement and / or retrieval tool, a graft delivery and / or placement and / or retrieval tool, a tool for the delivery and / or placement and / or retrieval of an implantable device or of parts of such device, an imp...
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Abstract
Apparatus is described for imaging a portion of a body of a subject that moves as a result of cyclic activity of a body system of the subject and that also undergoes additional motion. An imaging device acquires a plurality of image frames of the portion. A sensor senses a phase of the cyclic activity of the body system. A control unit generates a stabilized set of image frames of the portion by identifying a given phase of the cyclic activity, and outputting a set of the image frames corresponding to image frames of the portion acquired during the given phase, and by image tracking at least the set of image frames to reduce imaged motion of the portion associated with the additional motion. A display displays the stabilized set of image frames of the portion. Other embodiments are also described.
Description
CROSS-REFERENCES TO RELATED APPLICATIONS[0001]The present patent application claims the benefit of U.S. Provisional Patent Application Nos. 60 / 906,091 filed on Mar. 8, 2007, 60 / 924,609 filed on May 22, 2007, 60 / 929,165 filed on Jun. 15, 2007, 60 / 935,914 filed on Sep. 6, 2007, and 60 / 996,746 filed on Dec. 4, 2007, all named “Apparatuses and methods for performing medical procedures on cyclically-moving body organs,” all of which applications are incorporated herein by reference.[0002]The present application is related to the following applications, which are incorporated herein by reference:[0003]a U.S. patent application, entitled “Tools for use with moving organs,” to Iddan et al., which is filed on even date with the current application.[0004]a U.S. patent application, entitled “Imaging and tools for use with moving organs,” to Iddan et al., which is filed on even date with the current application.[0005]a PCT Application, entitled “Imaging and tools for use with moving organs,” to...
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