1
Jerrold S Petrofsky, Chandler A Phillips, Harry H Heaton III: Feedback control system for walking. Wright State University, Biebel French & Nauman, February 11, 1986: US04569352 (137 worldwide citation)

A computer algorithm and hardware are disclosed for feedback control of movement in man for standing and walking. The system measures motion of the hips, knees and ankles and generates control signals for ten different muscle groups. Hip and knee supports are provided for restricting hip and knee mo ...


2
Jerrold S Petrofsky: Method and apparatus for providing stimulated exercise of paralyzed limbs. Wright State University, Biebel French & Nauman, February 10, 1987: US04642769 (133 worldwide citation)

A computer control system which allows precise control of movement in paralyzed muscle through functional electrical stimulation. The system includes a computer operated at a programming center under physician control, an electronically erasable and programmable read only memory removable cartridge ...


3
Bertram N Ezenwa, William P Couch: Multiple frequency bio-impedance measurement system. Wright State University, Killworth Gottman Hagan & Schaeff, November 12, 1991: US05063937 (113 worldwide citation)

The multiple frequency impedance measurement system of the present invention permits noninvasive examination of living tissue at any one of a plurality of frequencies. Precise frequency control is provided by a phase locked loop (PLL) circuit which is adjustable among at least a plurality of frequen ...


4
Amir Faghri: Temperature regulation system for the human body using heat pipes. Wright State University, Killworth Gottman Hagan & Schaeff, December 14, 1993: US05269369 (107 worldwide citation)

A temperature regulation system for the human body is provided which uses heat pipes to distribute energy to and from portions of a body to provide heating or cooling by redistributing body heat. The heat pipes are incorporated into a garment, a blanket and a pad which may be used for medical treatm ...


5
Paul F Larson, Roy D Douglas, Jerrold S Petrofsky, Chandler A Phillips: Walking assistance system. Wright State University, Biebel French & Nauman, October 6, 1987: US04697808 (103 worldwide citation)

A walking assistance system comprising a pair of reciprocating braces and computer controlled stimulation electrodes for stimulating alternating extension of the left and right hips of an assisted person. The braces include left and right leg portions which are interconnected by cables in such a man ...


6
Jerrold S Petrofsky: Hand control system. Wright State University, Biebel French & Nauman, December 17, 1985: US04558704 (98 worldwide citation)

A system for stimulating a grasping action by a paralyzed hand. The system includes a sensor arrangement for detecting movement of a shoulder by the paralyzed person. The sensor transmits shoulder movement signals to a computerized controller which generates stimulation signals for stimulation elect ...


7
Bertram N Ezenwa: Motorized transfer and transport system for the disabled. Wright State University, Killworth Gottman Hagan & Schaeff, March 16, 1993: US05193633 (93 worldwide citation)

A powered transfer and transport system is provided to permit disabled individuals increased mobility and freedom of movement. The powered system performs as a wheelchair in one configuration and as a bed in another, and provides powered mechanisms for variously positioning the seating surface which ...


8
Jerrold S Petrofsky: Control system for knee joint. Wright State University, Biebel French & Nauman, December 8, 1987: US04711242 (69 worldwide citation)

A system for controlling the movement of a human knee joint during stimulated flexion thereof. The system includes a brace having an over-center hinge at the knee joint. This hinge causes the knee joint to lock under load when the hinge is opened less than a predetermined angle. A sensor senses the ...


9
Jerrold S Petrofsky: Therapy system for acute patient care. Wright State University, Biebel French & Nauman, May 6, 1986: US04586495 (64 worldwide citation)

Apparatus and method for stimulating muscular activity in an acutely injured patient. A leg which is to be stimulated is strapped into a brace, and the leg muscles are stimulated to work isometrically against the brace. The effort exerted by the muscles is measured by load cells which generate feedb ...


10
Chandler A Phillips, Jerrold S Petrofsky: Method for balancing assistance. Wright State University, Biebel French & Nauman, August 2, 1988: US04760850 (59 worldwide citation)

Method for assisting in the maintenance of a balanced stance by a person who has lost the sense of touch in one or both feet. Load signals are generated in correspondence with body weight loads applied at forward and rearward portions of the feet. The load signals are used for creation of tactile st ...