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John D Crane

Michael L Wilford

Lex A Whitcomb, Sr

Kerry L Kinser

A dynamic concrete form includes a sleeve defining a passage extending between first and second open ends. A first attachment feature extends outwardly in a first direction from the sleeve at the first open end and a second attachment feature extends outwardly in a second direction that is opposite the first direction at the second open end. In a first position, the passage has a first axial length, the first open end lies in a first plane, and the second open end lies in a second plane. In a second position, the passage has a second axial length that is greater than the first axial length, the first open end lies in the first plane or a first new plane that is parallel to the first plane, and the second open end lies in the second plane or a second new plane that is parallel to the second plane.

Dynamic concrete form

A therapeutic compression device for applying compression force to a patient. The device is constructed of multiple layers, at least two of which are fluid-tight. At least two fluid-tight layers define a fluid-tight chamber that has a smaller surface area than the overall device. Fluid supplied to the fluid-tight chamber causes compressive force to be exerted on a patient. Preferably at least one layer is a fluid permeable material. An additional layer of fluid permeable material may be also be added to ensure a fluid permeable barrier exists between the fluid-tight chamber and a patient.

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Bloomington, IN, United States of America

John D Crane