1
Daniel F DeMenthon: Computer vision system for position monitoring in three dimensions using non-coplanar light sources attached to a monitored object. University of Maryland, Christopher N Sears, July 13, 1993: US05227985 (335 worldwide citation)

A sensing system for monitoring the position and orientation of a rigid object (20). At least 4 point light sources (24) are mounted on the surface of the object (20) in a noncoplanar arrangement. A single electronic camera (26) captures images (59) of the point light sources (24). Locations of the ...


2
Douglas R Murphy Chutorian: Shaped catheter for transmyocardial revascularization. Eclipse Surgical Technologies, Ray K Shahani, Janet Kaiser Castaneda, Christopher N Sears, May 26, 1998: US05755714 (155 worldwide citation)

A shaped catheter for accessing and treating preselected surfaces of cavities and organs within the human body, the apparatus including a tubular, shaped outer sheath with at least one guide hole and a tubular, flexible inner sleeve with a distal opening disposed adjacent the distal end, the inner s ...


3
Richard L Mueller: Lateral-and posterior-aspect method and apparatus for laser-assisted transmyocardial revascularization and other surgical applications. Ray K Shahani, Christopher N Sears, March 10, 1998: US05725523 (141 worldwide citation)

A balloon end contact scope device for performing laser-assisted transmyocardial revascularization (TMR) or other surgical and catheter procedures, the device particularly adapted for delivery of laser energy via a laser delivery means and configured to reach inside a body cavity or organ chamber at ...


4
Daniel F Dementhon, Yukio Fujii: Three dimensional pointing device monitored by computer vision. University of Maryland, Christopher N Sears, March 22, 1994: US05297061 (127 worldwide citation)

A pointing device (28), comprising light sources (30) and monitored by a computer vision task running in a microcontroller (108) and a computer (24). The computer vision task computes the spatial position and orientation of the pointing device, and enables an operator to control virtual three dimens ...


5
Richard L Mueller, Stuart D Harman, Robert L Lathrop Jr, Bruce J Richardson: Contiguous, branched transmyocardial revascularization (TMR) channel, method and device. Eclipse Surgical Technologies, Ray K Shahani, Janet Kaiser Castaneda, Christopher N Sears, June 16, 1998: US05766164 (114 worldwide citation)

Improved methods and devices related to laser-assisted transmyocardial revascularization (TMR), and more particularly, to improved methods and devices for creating branched TMR channels through myocardium in which a single opening is made in an epicardial surface with a plurality of channel branches ...


6
Richard L Mueller: Transmyocardial revascularization (TMR) enhanced treatment for coronary artery disease. Eclipse Surgical Technologies, Ray K Shahani, Janet Kaiser Castaneda, Christopher N Sears, September 15, 1998: US05807384 (112 worldwide citation)

A transmyocardial revascularization (TMR) enhanced treatment for coronary artery disease and other medical procedures utilizing a source of laser energy and a laser delivery means attached thereto, the treatment or other medical procedure being one in which the coronary artery is temporarily occlude ...


7
Richard L Mueller: Depth stop apparatus and method for laser-assisted transmyocardial revascularization and other surgical applications. Eclipse Surgical Technologies, Ray K Shahani, Christopher N Sears, March 10, 1998: US05725521 (109 worldwide citation)

Improved methods and apparatuses related to laser-assisted transmyocardial revascularization, and more particularly, to improved methods and apparatuses for precisely positioning a fiber-optic or other waveguide adjacent the area or areas to be lased, including at positions adjacent the posterior ep ...


8
Richard L Mueller, Stuart D Harman: Dual laser device for transmyocardial revascularization procedures. Eclipse Surgical Technologies, Janet Kasier Castaneda, Christopher N Sears, November 24, 1998: US05840075 (109 worldwide citation)

A method of and apparatus for performing a transmyocardial revascularization procedure is disclosed which utilizes two laser power sources. A first laser source provides a coagulating or blanching effect on tissue and a second laser source capable of tissue ablation are supplied to a combined optica ...


9
Sepehr Behram, Nancy T Grauzlis, Sammy W Joseph: Privacy protected information medium using a data compression method. University of Maryland, Christopher N Sears, March 12, 1996: US05499293 (98 worldwide citation)

The present invention uses an efficient data compression/decompression scheme using a passive data storage media such as a card-based approach for storage of medical data information. The invention operates on existing personal computer hardware in a medical center or doctors' offices, doing away wi ...


10
Daniel F DeMenthon: Computer vision system for accurate monitoring of object pose. University of Maryland, Christopher N Sears, February 7, 1995: US05388059 (81 worldwide citation)

A sensing system for accurately monitoring the position and orientation of an object (28). At least 4 point light sources (26) are mounted on the surface of the object (28). A single electronic camera (20) captures images (92) of the point light sources (26). Locations of these images (92) are detec ...