The assignee for this patent application is
Reporters obtained the following quote from the background information supplied by the inventors: "The present application relates generally to the field of imaging. Specifically, the present application relates to a radiographic imaging device and related systems and methods.
"Image guidance is often utilized during minimally invasive surgeries to enable a surgeon to view, via a display screen, portions of a patient's anatomy that are covered by tissue. Typically, a three-dimensional representation of the relevant portion of the patient's anatomy is created preoperatively, and the representation is displayed on a screen during the procedure. The patient's anatomy is tracked by a navigation system during the procedure, and a computer system continuously updates the representation on the screen in correspondence with movement of the patient. Other objects, such as surgical tools, can also be tracked during the procedure. Surgeons are therefore provided with a real-time view as they are manipulating surgical tools within the patient, facilitating safer surgical procedures and more precise results.
"In order for the three-dimensional representation of the patient's anatomy to accurately represent the patient's real anatomy as the patient moves during surgery, the patient's anatomy must be registered to the three-dimensional representation. Registration can be accomplished in a variety of ways, including by 2D/3D registration. 2D/3D registration involves using two-dimensional images of the anatomy to register the anatomy to the preoperative three-dimensional representation of the anatomy. One goal of effective image-guided surgical procedures is to quickly and accurately register the patient's anatomy to the preoperative three-dimensional representation."
In addition to obtaining background information on this patent application, VerticalNews editors also obtained the inventors' summary information for this patent application: "One embodiment of the invention relates to an imaging system including a radiation source and a detector fixed to the radiation source such that the radiation source and detector form a hand-held imaging device. The hand-held imaging device is configured to acquire image data. The imaging system further includes a navigation system configured to track a pose of the hand-held imaging device.
"An additional embodiment relates to a hand-held imaging device including a hand-held frame, a radiation source fixed to the frame, and a detector fixed to the frame. The hand-held imaging device is configured to be tracked by a navigation system.
"A further embodiment relates to a method for bone registration including providing a three-dimensional representation of an anatomy of a patient; providing a hand-held imaging device having a hand-held frame, a radiation source fixed to the frame, and a detector fixed to the frame; acquiring a two-dimensional image of the anatomy using the imaging device; tracking a pose of the imaging device with a navigation system; and registering the two-dimensional image with the three-dimensional representation.
"Alternative exemplary embodiments relate to other features and combinations of features as may be generally recited in the claims.
BRIEF DESCRIPTION OF THE FIGURES
"The disclosure will become more fully understood from the following detailed description, taken in conjunction with the accompanying figures, wherein like reference numerals refer to like elements, in which:
"FIG. 1 is a perspective view of an imaging system according to an exemplary embodiment.
"FIG. 2 is a perspective view of an embodiment of a hand-held imaging device.
"FIG. 3 is a perspective view of an additional embodiment of a hand-held imaging device.
"FIG. 4 is a perspective view of an embodiment of a hand-held imaging device during imaging.
"FIGS. 5A-5B are side views of an embodiment of a hinged hand-held imaging device.
"FIGS. 6A-6B are side views of an embodiment of a collapsible hand-held imaging device.
"FIG. 7 is a perspective view of an embodiment of a hand-held imaging device during calibration.
"FIG. 8 is a view of a display screen during a method of registration.
"FIG. 9 is a flow chart illustrating use of a hand-held imaging device for 2D/3D registration according to an exemplary embodiment.
"FIG. 10 illustrates an embodiment of a method for registration.
"FIG. 11 is a flow chart illustrating use of a hand-held imaging device for displaying a predicted image according to an exemplary embodiment.
"FIG. 12 is a flow chart illustrating use of a hand-held imaging device for assessing the position of an implanted component.
"FIG. 13 is a flow chart illustrating various additional applications of the hand-held imaging device."
For more information, see this patent application: KANG, Hyosig; LIGHTCAP, Chris; BERMAN, David. Radiographic Imaging Device. Filed
Keywords for this news article include: Surgery, Medical Devices,
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