Surgery – Endoscope – With means for indicating position – depth or condition of...
Reexamination Certificate
2011-03-08
2011-03-08
Sweet, Thomas J (Department: 3779)
Surgery
Endoscope
With means for indicating position, depth or condition of...
C600S139000
Reexamination Certificate
active
07901348
ABSTRACT:
Visual-assisted guidance of an ultra-thin flexible endoscope to a predetermined region of interest within a lung during a bronchoscopy procedure. The region may be an opacity-identified by non-invasive imaging methods, such as high-resolution computed tomography (HRCT) or as a malignant lung mass that was diagnosed in a previous examination. An embedded position sensor on the flexible endoscope indicates the position of the distal tip of the probe in a Cartesian coordinate system during the procedure. A visual display is continually updated, showing the present position and orientation of the marker in a 3-D graphical airway model generated from image reconstruction. The visual display also includes windows depicting a virtual fly-through perspective and real-time video images acquired at the head of the endoscope, which can be stored as data, with an audio or textual account.
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Glenny Robb W.
Seibel Eric J.
Soper Timothy D.
Anderson Ronald M.
Smith Philip R
Sweet Thomas J
University of Washington
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