IP Library Granted Patent US 12,403,353
Granted Patent B2
US 12,403,353 · App. 18/519,046 · Granted Sep 2, 2025

Knee joint physical therapy device

Inventor: Brandon Williams (Austin, TX)
A63B21/4039A63B21/00181A63B21/151A63B21/4015A63B21/4035A63B23/0494A63B2208/0252
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Quick Facts
Patent No.
US 12,403,353
App. No.
18/519,046
Granted
Sep 2, 2025
Kind
B2
Abstract

A device for facilitating physical therapy exercises of the knee having a cylindrical or semicylindrical body having a rigid core, padding, and a vinyl cover. A strap is attached to the body at each end and may have one or more handles for grasping by a patient.

Claims (24)

1. A knee joint physical therapy device, comprising:

a cylindrical body having:

a rigid or semi-rigid core, and

a cover surrounding the core, and

at least one strap attached to the cylindrical body, the at least one strap comprising a first strap end extending from a first end of the cylindrical body and a second strap end extending from a second end of the cylindrical body,

wherein the core comprises a solid cylinder, and

wherein the first strap end comprises two handles and the second strap end comprises two handles.

2. The knee joint physical therapy device of claim 1 , further comprising:

padding surrounding the core and between the core and the cover.

3. The knee joint physical therapy device of claim 1 , wherein the solid cylinder comprises a polymer foam.

4. The knee joint physical therapy device of claim 1 , wherein the handles are formed by a loop of the strap material.

5. The knee joint physical therapy device of claim 1 , further comprising a retaining band attached to the cylindrical body for passing a foot or both feet of a patient therethrough.

6. A knee joint physical therapy device, comprising:

a semicylindrical body having:

a rigid or semi-rigid core, and

a cover surrounding the core, and

at least one strap attached to the semicylindrical body, the at least one strap comprising a first strap end extending from a first end of the semicylindrical body and a second strap end extending from a second end of the semicylindrical body,

wherein the core comprises a solid semicylinder, and

wherein the first strap end comprises two handles and the second strap end comprises two handles.

7. The knee joint physical therapy device of claim 6 , further comprising:

padding surrounding the core and between the core and the cover.

8. The knee joint physical therapy device of claim 6 , wherein the solid semicylinder comprises a polymer foam.

9. The knee joint physical therapy device of claim 6 , wherein the handles are formed by a loop of the strap material.

10. The knee joint physical therapy device of claim 6 , further comprising a retaining band attached to the semicylindrical body for passing a foot or both feet of a patient therethrough.

Continuity (1)
Related Publication 20250170447A1 · May 29, 2025
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