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:
Mar. 10, 1992
Filed:
Oct. 31, 1990
Mark T Medcalf, Westlake Village, CA (US);
Charles A Kelman, Woodland Hills, CA (US);
Jeno B Gutai, Thousand Oaks, CA (US);
Other;
Abstract
A device for engaging the big toe of a user to provide continuous passive motion to the first metatarsal phalangeal joint includes an electric motor situated within a box-like housing, a piston having a first end coupled to a drive shaft turned by the motor, a toe engaging attachment coupled to a second end of the piston, a rotatable foot support plate to accommodate the shift from right to left foot and vice versa, and a heel cradle for selective foot size adjustment. The rotational motion of the drive shaft is converted into reciprocating and substantially linear motion of the toe engaging attachment causing movement of the big toe by pushing on the plantar aspect upward, thus allowing for dorsi flexion of the joint. The toe engaging attachment is interchangeable depending on the degree of dorsi flexion desired. When the toe is to be put through a limited degree of dorsi flexion, a toe engaging attachment with a spring loaded plunger is used.