Bionix Development Corporation

Nova Design Partners, L.p.

Andrew J Milligan

James J Huttner

Robert A Lewis

A conformal radiation therapy device is disclosed. A multi-leaf collimator is mounted adjacent the head of a linear accelerator. A pair of spaced guides which define predetermined cam grooves are supported by the patient table. The multi-leaf collimator includes a plurality of longitudinally slidable leaves. Each of the leaves includes a cam pin mounted in a respective cam groove. As the head and multi-leaf collimator rotate relative to the patient, the predetermined cam grooves acting through the cam pins slide the individual leaves to adjust a radiation window for controlling radiation to the patient.

Radiation therapy device employing cam pin and cam groove guiding system

A radiation therapy shielding assembly is disclosed. The shielding assembly includes a pair of shielding sections. The shielding sections define a cavity for receiving a patient. Each of the shielding sections define a predetermined edge surface. The predetermined edge surfaces of the pair of shielding sections are spaced from one another to define a patient treatment area.

Radiation therapy shielding assembly

A reusable device for delivering a release of heat to an area such as a body portion. The device comprises a flexible, fluid-tight container holding a liquid which releases heat upon crystallization such as sodium acetate tetrahydrate. A trigger located within the container initiates the crystallization of the liquid to release the latent heat. The trigger comprises a plurality of rigid objects held within a receptacle located within the container. The receptacle is in fluid communication with the container so that the plurality of rigid objects are in contact with the liquid. The trigger initiates the crystallization of the liquid when pressure is applied to the plurality of rigid objects such as by squeezing the trigger between one's fingers.

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Berwyn, PA, United States of America

Andrew J Milligan