1
Adam V Ratner: Device construction and method facilitating magnetic resonance imaging of foreign objects in a body. Millen White & Zelano, February 5, 1991: US04989608 (346 worldwide citation)

Device construction facilitating the visibility of a device when inserted into a body being subjected to magnetic resonance imaging having a member adapted to be inserted into the body. The member carries material exhibiting a characteristic under magnetic resonance imaging which differs substantial ...


2
Raymond V Damadian: Magnetic resonance imaging method and apparatus for guiding invasive therapy. Fonar Corporation, Brooks Haidt Haffner & Delahunty, July 15, 1997: US05647361 (312 worldwide citation)

Patient treatment is carried out under magnetic resonance imaging (MRI) guidance. The treated region of anatomy may be a joint, an organ or other tissue, or a tumor. Instruments which can be guided by MRI allow the treated region of anatomy to be reached along a selected path, curved or straight, to ...


3
Charles L Dumoulin, Steven P Souza, Robert D Darrow: Tracking system to monitor the position and orientation of a device using multiplexed magnetic resonance detection. General Electric Company, Lawrence P Zale, Marvin Snyder, June 7, 1994: US05318025 (307 worldwide citation)

A tracking system employs magnetic resonance signals to monitor the position and orientation of at least one device such as a catheter within a subject. The device has a plurality of receiver coils which are sensitive to magnetic resonance signals generated in the subject. These signals are detected ...


4
Norman Krause, Robert W Mendicino, Kenji Shimada, Lee Weiss, Takeo Kanade: Computer-aided bone distraction. Carnegie Mellon University, Kevin A Oliver, Foley Hoag, March 2, 2004: US06701174 (302 worldwide citation)

A computer assisted orthopedic surgery planner software for generation of 3D (three dimensional) solid bone models from two or more 2D (two dimensional) X-ray images of a patient's bone. The computer assisted orthopedic surgery planner software reconstructs the bone contours by starting with a ...


5
Mark P Heilbrun, Paul McDonald, J Clayton Wiker, Spencer Koehler, William Peters: Apparatus and method for photogrammetric surgical localization. University of Utah, Trask Britt & Rossa, February 14, 1995: US05389101 (293 worldwide citation)

A method and apparatus for defining the location of a medical instrument relative to features of a medical workspace including a patient's body region are described. Pairs of two-dimensional images are obtained, preferably by means of two video cameras making images of the workspace along different ...


6
Charles L Dumoulin, Steven P Souza, Robert D Darrow: Tracking system to monitor the position and orientation of a device using magnetic resonance detection of a sample contained within the device. General Electric Company, Lawrence P Zale, Marvin Snyder, December 21, 1993: US05271400 (271 worldwide citation)

A tracking system employs magnetic resonance signals to monitor the position and orientation of a device, such as a catheter, within a subject. The device has an MR active sample and a receiver coil which is sensitive to magnetic resonance signals generated by the MR active sample. These signals are ...


7
Patrick J Kelly, Stephan J Goerss: Magnetic field digitizer for stereotactic surgery. Curt Harrington, January 16, 1996: US05483961 (245 worldwide citation)

The present invention enables stereotactic surgery with a minimal structure present in order to facilitate surgery yet with enhanced accuracy in stereotactic imaging assistance to the surgeon. This device and method is known as "frameless" stereotaxis system, and uses coordinate referencing between ...


8
Simion J Zinreich, Eva S Zinreich, David C Howson: Non-invasive multi-modality radiographic surface markers. Izi Corporation, Lyon & Lyon, November 29, 1994: US05368030 (243 worldwide citation)

The device of the present application, an adhesive disk, relates to non-invasive multi-modality radiographic surface markers and provides means for marking patients and diagnostic images taken of those patients through different methods including X-Ray, Computerized Tomography, Positron Emission Tom ...


9
Simion J Zinreich, Eva S Zinreich, Rex O Bare: Radiographic multi-modality skin markers. IZI Corporation, Lyon & Lyon, November 28, 1995: US05469847 (241 worldwide citation)

The device of the present application is an adhesive surface marker comprising a gel sealed by a casing and membrane structure. The markers of the present invention can include a cavity for receiving imaging materials. The markers provide means for marking patients and diagnostic images taken of tho ...


10
Robert D Darrow, Charles L Dumoulin, Steven P Souza: Imaging of interventional devices during medical procedures. General Electric Company, Lawrence P Zale, Marvin Snyder, November 26, 1996: US05577502 (235 worldwide citation)

A tracking system monitors the position of a device within a subject and superimposes a graphic symbol on a diagnostic image of the subject. Registration of the tracked location with the diagnostic image is maintained in the presence of subject motion by monitoring subject motion and adjusting the d ...