Foot orthosis with detachable sole plate

Details Foot orthosis with detachable sole plate Foot orthosis with detachable sole plate

2000-02-10

2001-08-21

Brown, Michael A. (Department: 3764)

Surgery: splint, brace, or bandage

Orthopedic bandage

Splint or brace

C128S882000, C036S015000

Reexamination Certificate

active

06277087

ABSTRACT:

BACKGROUND OF THE INVENTION
L-shaped foot orthoses are commonly used on predominantly bedfast patients to protect the patient's heel from bed sores and to correct for foot drop wherein the patient's foot moves away from a substantial right angle position with respect to the patient's leg. These devices sometimes have sole plates secured to the bottoms thereof to engage the floor at such times as the patient is walking or being moved from place to place. In order to prevent the sole plate from contaminating the bed of the patient, the sole plate is often detachably secured to the bottom surface of the orthosis so that it can be removed when the patient moves from a walking mode back to a resting position in the patient's bed.
Existing detachable sole plates for such orthoses sometimes require tools in order to be attached to or removed from the orthoses. Further, lateral movement of the orthosis with respect to the toe plate sometimes takes place.
A principal object of the invention is to provide a pair of retainer walls along the toe plate to stabilize the orthosis with respect to the toe plate.
This and other objects will be apparent to those skilled in the art.
SUMMARY OF THE INVENTION
A conventional foot orthosis has a stiff L-shaped splint including a substantially horizontal foot portion with a lower surface. A fabric anklet is on the foot orthosis and has a bottom surface extending over the bottom surface of the splint. An attachment screw is rotatably mounted on the foot portion of the splint and has an enlarged diameter head extending downwardly through an opening in the bottom surface of the anklet.
An elongated toe plate of the above orthosis has an aperture therein which communicates with a forwardly extending elongated slot. A planar sole plate is rigidly secured to a lower surface of the toe plate and has an aperture therein communicating with a rearwardly extending elongated slot. The apertures are adapted to register with each other to permit the head of the attachment screw to extend through the apertures. A surface connection element detachably secures the toe plate to the bottom surface of the anklet when the sole plate has been moved so that the screw moves into the elongated slot of the toe plate. A pair of elongated retainer walls are integrally formed with toe plate adjacent Velcro® strip to help stabilize any lateral movement of the orthosis with respect to the toe plate and the sole plate.


REFERENCES:
patent: 5569173 (1996-10-01), Varn
patent: 5569174 (1996-10-01), Varn
patent: 5735805 (1998-04-01), Wassermann

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