# US 8,770,838 B2 · Dynamic biplane roentgen stereophotogrammetric analysis > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,770,838 B2 - Document ID: US8770838B2 - Status: Granted - Kind: B2 - Application number: 13/936,829 - Filed: 2013-07-08 - Published: 2013-11-07 - Granted: 2014-07-08 - Earliest claimed: 2008-10-13 - Applicants: George Papaioannou - Inventors: George Papaioannou - Web page: https://patentgrep.com/patent/US8770838B2 ## CPC - A61B 6/022: {Stereoscopic imaging} - A61B 6/04: Positioning of patients; Tiltable beds or the like - A61B 6/0487: {Motor-assisted positioning} - A61B 6/4014: {arranged in multiple source-detector units} - A61B 6/4225: {using image intensifiers} - A61B 6/4423: {related to hygiene or sterilisation} - A61B 6/4452: {the source unit and the detector unit being able to move relative to each other} - A61B 6/4458: {the source unit or the detector unit being attached to robotic arms} - A61B 6/4464: {the source unit or the detector unit being mounted to ceiling} - A61B 6/466: {adapted to display 3D data} - A61B 6/505: {for diagnosis of bone} - A61B 5/1114: {Tracking parts of the body} - A61B 6/486: {involving generating temporal series of image data} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A medical imaging system includes a first x-ray image detector, a first x-ray generator, and a motorized turntable. The first x-ray image detector and the first x-ray generator are each mounted on a base and positioned opposite each other such that x-rays are projected from the first x-ray generator to the first x-ray image detector through a first imaging volume. The motorized turntable is positioned below the first imaging volume and between the first x-ray image detector and the first x-ray generator and is configured to rotate an imaging subject within the imaging volume. ## Claims ### Claim 1 A medical imaging system, comprising: a first x-ray image detector; a first x-ray generator mounted opposite the first x-ray image detector such that x-rays are projected from the first x-ray generator to the first x-ray image detector through a first imaging volume; and a motorized turntable mounted below a first imaging volume and between the first x-ray image detector and the first x-ray generator, wherein, the first x-ray generator and the first x-ray image detector are movable relative the first imaging volume in a horizontal plane. ### Claim 2 (depends on 1) The medical imaging system according to claim 1, further comprising a controller operable to control the motorized turntable. ### Claim 3 (depends on 2) The medical imaging system according to claim 2, wherein the controller is further configured to operate the first x-ray image detector and the first x-ray generator. ### Claim 4 (depends on 1) The medical imaging system according to claim 1, wherein the first x-ray image detector is mounted on a first base, the first base including a plurality of wheels and wherein the first x-ray generator is mounted on a second base, the second base including a plurality of wheels. ### Claim 5 (depends on 1) The medical imaging system according to claim 1, wherein the the first x-ray image detector and the first x-ray generator are mounted on a circular track. ### Claim 6 (depends on 5) The medical imaging according to claim 5, wherein the first x-ray image detector and the first x-ray generator are moveable along the circular track to position the first x-ray image detector and the first x-ray generator at an angle on the horizontal plane relative to the subject. ### Claim 7 (depends on 1) The medical imaging system according to claim 1, wherein the motorized turn-table supports an imaging subject and rotates the imaging subject relative to the first x-ray image detector. ### Claim 8 (depends on 1) The medical imaging system according to claim 1, further comprising a treadmill that is interchangeable with the motorized turn-table to be mounted below the first imaging volume and between the first x-ray image detector and the first x-ray generator. ### Claim 9 (depends on 1) The medical imaging system according to claim 1, wherein the first x-ray image detector and the first x-ray generator are mounted on a pair of parallel tracks that move the first x-ray image detector and the first x-ray generator from a first imaging volume to a second imaging volume. ### Claim 10 (depends on 9) The medical imaging system according to claim 9, wherein the first x-ray image detector is movable along the first track and the first x-ray generator is movable along the second track. ### Claim 11 (depends on 10) The medical imaging system according to claim 10, further comprising a treadmill that guides the movement of an imaging subject in the second imaging volume. ### Claim 12 (depends on 11) The medical imaging system according to claim 11, wherein the first x-ray generator and the first x-ray image detector are rotatable around the treadmill in a horizontal plane. ### Claim 13 (depends on 1) The medical imaging system according to claim 1, wherein the first x-ray image detector includes an image intensifier and a high-speed digital camera. ### Claim 14 (depends on 13) The medical imaging system according to claim 13, wherein the high speed digital camera is attached to a housing by a clamping mechanism to allow for multiple cameras to be interchanged depending upon the specific application for which the system is being used. ### Claim 15 (depends on 1) The medical imaging system according to claim 1, wherein the first x-ray image detector includes a scintillator and a high-speed digital camera. ### Claim 16 (depends on 15) The medical imaging system according to claim 15, wherein the high-speed digital camera is attached to a housing by a clamping mechanism that allows for multiple cameras to be interchanged. ### Claim 17 (depends on 1) The medical imaging system according to claim 1, further comprising an image processing system coupled to the first x-ray detector, wherein the image processing system receives a series of images from the first x-ray detector and displays a videoradiographic image of an imaging subject. ### Claim 18 (depends on 1) The medical imaging system according to claim 1, further comprising a second x-ray image detector and a second x-ray generator, wherein the second x-ray generator is mounted opposite the second x-ray image detector such that x-rays are projected from the second x-ray generator to the second x-ray image detector through the first imaging volume. ### Claim 19 (depends on 18) The medical imaging system according to claim 18, wherein the second x-ray image detector and the second x-ray generator are positioned at an angle relative to the first x-ray generator and the first x-ray image detector. ### Claim 20 (depends on 19) The medical imaging system according to claim 19, further comprising an image processing system coupled to the first x-ray image detector and the second x-ray image detector, wherein the image processing system receives an image from the first x-ray image detector and an image from the second x-ray image detector, accesses a stored three-dimensional model of an imaging subject, and positions the three-dimensional model on a display using stereophotogrammetry based on the image from the first x-ray image detector and the image from the second x-ray image detector. ### Claim 21 (depends on 19) The medical imaging system according to claim 19, further comprising an image processing system coupled to the first x-ray image detector and the second x-ray image detector, wherein the image processing system receives a series of images from the first x-ray image detector and a series of images from the second x-ray image detector, accesses a stored three-dimensional model of an imaging subject, and generates a three-dimensional videoradiographic digital representation of an imaging subject in motion using stereophotogrammetry based on the series of images from the first x-ray image detector and the series of images from the second x-ray image detector. ### Claim 22 (depends on 1) The medical imaging system of claim 1, wherein the first x-ray image detector and the first x-ray generator are movable relative to the first imaging volume in a vertical plane. ### Claim 23 A method of generating a three-dimensional digital representation of an imaging subject with a medical imaging system, the medical imaging system including a x-ray generator, a x-ray image detector, a motorized turn-table, and a circular track, the method comprising: positioning the imaging subject on the turn-table; activating a first x-ray generator and a first x-ray image detector; rotating the motorized turn-table in a first direction; rotating the first x-ray generator and the first x-ray image detector on the circular track in a second direction, wherein the first direction is different than the second direction; and generating a three-dimensional model of an imaging subject based on image data from the first x-ray image detector. ### Claim 24 (depends on 22) The medical imaging system of claim 22, wherein the first x-ray image detector and the first x-ray generator are movable about the first imaging volume in an angled plane, the plane being at an angle with the horizontal plane and the vertical plane. ### Claim 25 (depends on 24) The medical imaging system of claim 24, wherein the first x-ray image detector and the first x-ray generator rotate around the first imaging volume in the angled plane.