Endoprosthesis
AssigneeUniversity of Cape Town
InventorsGeorge Vicatos, Samuel Isaac Ginsberg, Adam Thane Parsons
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Abstract
An endoprosthesis is proved which includes an elongate housing having a drive secured through a threaded drive shaft to an extension shaft therein, the drive operable to cause the extension shaft to move axially with respect to the body, and the extension shaft and housing configured to be securable to a bone to act as a prosthetic replacement for removed bone. An operating system for the endoprosthesis is also provided.
Claims8
An endoprosthesis comprising an elongate housing having a drive secured through a threaded drive shaft to an extension shaft therein, the drive operable to cause the extension shaft to move axially with respect to the housing and the extension shaft and housing configured to be securable to a bone to act as a prosthetic replacement for removed bone, and for the drive to be operable through a control circuit which includes an inductive coil, wherein the control circuit is configured to provide a predetermined output which operates the drive in a step-wise fashion upon receiving power through the inductive coil and includes a number of cascaded circuits, each of which provides an output which drives one phase of the motor.
Dependencies are inferred from the claim text.