1
Septimiu E Salcudean: Optical position and orientation sensor. International Business Machines, Perman & Green, October 22, 1991: US05059789 (304 worldwide citation)

An optical position determination system is described which determines the six degrees of freedom (i.e. position of orientation) of an object with respect to a two-dimensional position sensing detector. The system comprises at least three energy beams physically connected to the object and directed ...


2
Septimiu E Salcudean, Joseph Yan: Motion scaling tele-operating system with force feedback suitable for microsurgery. The University of British Columbia, C A Rowley, January 17, 1995: US05382885 (257 worldwide citation)

A robot suitable for micro-surgical application is formed by a robot arm having a position adjustable free end on which are mounted with their respective stators in fixed relationship a master and a slave robot. The position and actuation of the moving element of the master (master floater) and the ...


3
Ralph L Hollis Jr, Septimiu E Salcudean: Input/output system for computer user interface using magnetic levitation. IBM Corporation, Sterne Kessler Goldstein & Fox, September 8, 1992: US05146566 (197 worldwide citation)

A programmable computer user input/output (I/O) system having a multiple degree-of-freedom magnetic levitation (maglev) device with a matched electrodynamically levitated flotor and stator combination and an electrodynamic forcer means for receiving coil currents for applying controlled magnetic for ...


4
Niall R Parker, Peter D Lawrence, Septimiu E Salcudean: Velocity controller with force feedback stiffness control. The University of British Columbia, C A Rowley, April 30, 1996: US05513100 (177 worldwide citation)

A force feedback velocity control measures the forces adjacent the end point of an arm being controlled and adjusts the stiffness of a manual controller in any one direction by scaling the end point force in the corresponding direction and adjusting the scaled force based on the degree of displaceme ...


5
Septimiu E Salcudean, Graham S Bell, Peter D Lawrence, Alexei Marko, Michael Jameson: Robotically assisted medical ultrasound. The University of British Columbia, Oyen Wiggs Green & Mutala, July 30, 2002: US06425865 (151 worldwide citation)

A system for medical ultrasound in which the ultrasound probe is positioned by a robot arm under the shared control of the ultrasound operator and the computer is proposed. The system comprises a robot arm design suitable for diagnostic ultrasound, a passive or active hand-controller, and a computer ...


6
Terence J Gilhuly, Septimiu E Salcudean, Samuel V Lichenstein, Kassem A Ashe, Simon F Bachmann: Surgical arm and tissue stabilizer. The University of British Columbia, Oyen Wiggs Green & Mutala, April 3, 2001: US06210323 (65 worldwide citation)

This invention is related to a novel passive medical device that can be used in surgery to stabilize tissue for anastomosis or other surgical work. More particularly, the tissue stabilization device and surgical arm stabilizes cardiac tissue which enables coronary artery bypass grafting surgeries to ...


7
Leo J Stocco, Septimiu E Salcudean: Hybrid serial/parallel manipulator. C A Rowley, April 11, 2000: US06047610 (47 worldwide citation)

A six degree of freedom structure forming a robotic manipulator, consisting of two five-bar linkages (30 and 80) set on rotatable base linkages (18 and 58); the output points (44 and 94) of the five-bar linkages (30 and 80) are attached to a rigid payload platform (48) by universal joints (46 and 96 ...


8
Alexei J Marko, James A McEwen, Brian Day, Michael Jameson, Septimiu E Salcudean, Peter D Lawrence: Apparatus and method for evaluation of shoulder stability. ipsolon, July 6, 1999: US05919148 (24 worldwide citation)

Apparatus for evaluating the stability of the shoulder joint of a human subject includes a rotatable, elbow-holding assembly that has sensors and associated processing components for producing an indication of the rotational angle of the long axis of the humerus of the subject relative to a referenc ...


9
Septimiu E Salcudean, Robert N Rohling, Stephen H Okazawa, Afrooz R Ebrahimi: Steerable needle. C A Rowley, February 16, 2010: US07662128 (20 worldwide citation)

The invention relates to a needle guidance system provided by a needle with a steerable tip. The needle has a cannula and a stylet. The stylet adjacent to its tip has a naturally curved portion. The stylet is movable in two degrees of freedom with respect to the cannula—axial translation and axial r ...


10
Septimiu E Salcudean, Daniel Ben Dov: Platform mountings. The University of British Columbia, C A Rowley, January 3, 1995: US05377950 (14 worldwide citation)

A platform is mounted by bellows, at least one for each degree of freedom (DOF) of the platform. The bellows may provide either an active or a passive mounting for the platform. By arranging a suitable number of such bellows in supporting relationship a platform or floater for example six degrees fr ...