The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 1991
Filed:
Feb. 13, 1987
Applicant:
Inventors:
Daniel Graupe, Highland Park, IL (US);
Stavros Basseas, Park Ridge, IL (US);
Assignee:
Sigmedics, Inc., Northfield, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
1284 / ;
Abstract
Muscle fatigue of an electrically stimulated quadriceps muscle of an upper motor neuron paraplegic is detected and compensated for by monitoring the myoelectric (EMG) signal produced by the stimulated muscle and controlling one or more of the following parameters of the electrical stimulation (ES) signal; its pulse repetition rate, its amplitude, and its pulse width.