1
Waldean A Schulz: Apparatus for determining the position and orientation of an invasive portion of a probe inside a three-dimensional body. Image Guided Technologies, Nikaido Marmelstein Murray & Oram, April 22, 1997: US05622170 (358 worldwide citation)

System for sensing at least two points on an object for determining the position and orientation of the object relative to another object. Two light emitters mounted in spaced relation to each other on an external portion of an invasive probe remaining outside an object into which an invasive tip is ...


2
Martin D Chader, Ivan Faul, Timothy L Feaver, Waldean A Schulz: Imaging system having interactive medical instruments and methods. Image Guided Technologies, Townsend and Townsend and Crew, April 8, 1997: US05617857 (308 worldwide citation)

The invention provides an improved imaging system and method. The imaging system is of the type having a medical instrument including a source for emitting detectable energy and an instrument body having a work portion. The imaging system further includes detector for detecting the energy and a proc ...


3
Waldean A Schulz: System for locating relative positions of objects in three dimensional space. Image Guided Technologies, Lowe Hauptman Gopstein Gilman & Berner, July 6, 1999: US05920395 (203 worldwide citation)

Locating and displaying the relative positions of two objects in a three-dimensional space where one object is a three-dimensional object and the second object has at least three collinear points, at least two of which are sensible by a detector. The detector supplies signals providing azimuth and a ...


4
Waldean A Schulz: Method for determining the position and orientation of two moveable objects in three-dimensional space. Image Guided Technologies, Lowe Hauptman Gopstein Gilman & Berner, November 16, 1999: US05987349 (178 worldwide citation)

System for sensing at least two points on an object for determining the position and orientation of the object relative to another object. Two light emitters mounted in spaced relation to each other on an external portion of an invasive probe remaining outside an object into which an invasive tip is ...


5
Waldean A Schulz, Ivan Faul, Ronald M Pasquini, Daniel J Harrison: Optical fiber probe for position measurement. Image Guided Technologies, Lowe Hauptman Gopstein Gilman & Berner, May 25, 1999: US05907395 (144 worldwide citation)

Improved point source electromagnetic radiation emitters including a dispersing element that radiates electromagnetic radiation over a very wide conical angle of approaching about 180.degree.. This light dispersing element can be in any one or more of several illustrated forms such as a light diffus ...


6
Waldean A Schultz: Determination of the position and orientation of at least one object in space. Image Guided Technologies, McCracken and Frank, August 27, 2002: US06442416 (70 worldwide citation)

System for sensing at least two points on an object for determining the position and orientation of the object relative to another object. Two light emitters mounted in spaced relation to each other on an external portion of an invasive probe remaining outside an object into which an invasive tip is ...


7
Ivan Faul, Russell Dahl, Ronald M Pasquini: Optical tracking system. Image Guided Technologies, Lowe Hauptman Gopstein Gilman & Berner, July 25, 2000: US06094007 (31 worldwide citation)

An assembly adapted to emit electromagnetic radiation made up of an emitter of electromagnetic radiation; a non-reflective ceramic support for the emitter; a substantially transparent crown mounted on the support to define and enclose a space that houses the emitter; and leads attached to the emitte ...


8
Ivan Faul, Waldean A Schulz, Brett R Skelton, Ronald M Pasquini: Wireless optical instrument for position measurement and method of use therefor. Image Guided Technologies, McCracken & Frank, August 19, 2003: US06608688 (30 worldwide citation)

Disclosed is a wireless instrument tracking system. The wireless instrument tracking system is used for determining the location of at least one point relative to the instrument in a three-dimensional space relative to a three-dimensional coordinate tracking system. Advantageously, a first wireless ...


9
Waldean A Schulz, Robert Cormack: System for determination of a location in three dimensional space. Image Guided Technologies, Lowe Hauptman Gopstein Gilman & Berner, October 31, 2000: US06141104 (29 worldwide citation)

An optical improvement for angular position sensors, which may be used to determine the spatial coordinates of a small source of light (or other energy) in a 3-dimensional volume. Such sensors normally include a linear photosensitive image detector such as a photodiode array or a charge-coupled devi ...


10
Ivan Faul, Jesse Dean Paylor: Calibration of an instrument. Image Guided Technologies, McCracken and Frank, December 24, 2002: US06497134 (17 worldwide citation)

A system for calibrating an error between the location of a feature of an object as determined by indirect calculation compared to as determined by physical measurement in order to be able to use this determined error to correct the location of the feature as determined by calculation in actual use ...