Passive anatomic ankle-foot exerciser
First Claim
1. An ankle-foot exerciser comprising:
- a base;
foot holding means mounted to the base for holding a patient'"'"'s foot and including a toe portion and a heel portion;
adjustable drive means adjustable in angular orientation with respect to the base and pivotally and slidably attached to the top portion of the foot holding means for continuously driving the foot holding means alternately up and down and alternately out and in to alternately generate dorsiflexion and plantarflexion and to alternately generate abduction and adduction motion of the foot;
foot tilting means pivotally attached to the heel portion of the foot holding means for tilting the foot holding means to alternately generate eversion and inversion motion of the foot; and
control means for controlling and coordinating the drive means and the foot tilting means.
3 Assignments
0 Petitions
Accused Products
Abstract
A continuous motion passive anatomic ankle-foot exerciser for rehabilitating ankle and foot injuries is provided. The ankle-foot exerciser is constructed to move a patient'"'"'s foot through a range of motion which may include pure ankle joint motion, pure subtalar joint motion, or a combination of both. The ankle-foot exerciser includes a base, a foot holder, a drive motor for moving the foot holder in an up/down in/out motion, and a foot tilting device for continuously tilting the foot in an inversion/eversion motion. Movement of the foot holder is controlled by an initial positioning of the drive motor and by a control circuit that coordinates the up/down in/out and tilting motions of the foot holder.
-
Citations
20 Claims
-
1. An ankle-foot exerciser comprising:
-
a base; foot holding means mounted to the base for holding a patient'"'"'s foot and including a toe portion and a heel portion; adjustable drive means adjustable in angular orientation with respect to the base and pivotally and slidably attached to the top portion of the foot holding means for continuously driving the foot holding means alternately up and down and alternately out and in to alternately generate dorsiflexion and plantarflexion and to alternately generate abduction and adduction motion of the foot; foot tilting means pivotally attached to the heel portion of the foot holding means for tilting the foot holding means to alternately generate eversion and inversion motion of the foot; and control means for controlling and coordinating the drive means and the foot tilting means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. An ankle-foot exerciser comprising:
-
a base; foot holding means mounted to the base and including a foot platform for a patient'"'"'s foot with a heel portion and a toe portion; drive means including a drive motor and a drive auger adjustably mounted on the base and pivotally and slidably attached to the toe portion of the foot platform for moving the foot platform alternately in an up and down or in and out motion in order to alternately generate plantarflexion and dorsiflexion or to alternately generate abduction and adduction of the patient'"'"'s foot with the drive means adjustable to generate pure plantarflexion and dorsiflexion motion or pure abduction and adduction motion or a combination of both; foot tilting means pivotally attached to the heel portion of the foot platform for continuously tilting the foot platform through a range of motion responsive to the motion of the drive means to generate inversion and eversion of the patient'"'"'s foot; and control means for controlling and coordinating the drive means and the foot tilting means. - View Dependent Claims (10, 11, 12, 13, 14, 15)
-
-
16. A passive continuous motion ankle-foot exerciser comprising:
-
a base; a foot holding means including a foot platform having a heel portion and a toe portion and mounting straps for securing a patient'"'"'s foot thereto; a drive means including a worm gear pivotally and slidably mounted to the toe portion of the foot platform for moving the foot platform in an up and down or in an in and out motion and manually adjustable through an angle θ
for generating a range of motion of the patient'"'"'s foot from pure plantarflexion and dorsiflexion to pure abduction and adduction or a combination thereof;a foot tilting means pivotally attached to the foot platform for tilting the foot platform to move the patient'"'"'s foot in inversion or eversion with the motion of the foot tilting means coordinated with the motion of the worm gear; and control means for controlling a range of motion of the foot platform and foot tilting means and for controlling movement of the foot tilting means responsive to rotation of the worm gear. - View Dependent Claims (17, 18, 19)
-
-
20. An ankle-foot exerciser comprising:
-
a base; a foot holding means mounted to the base and including a foot platform with the toe portion and a heel portion with the heel portion pivotally attached to the base; a drive means pivotally and slidably coupled to the toe portion of the foot platform for moving the toe portion in a generally circular or elliptical pattern; and a second drive means pivotally attached to the first drive means for moving the toe portion of the foot platform up or down and in or out.
-
Specification