Patent ID: 8388565
Filing Date: 2013-03-05
Classification: A61M

Abstract:
1. An article comprising a system-specific rotary drive cable that, in operation, is rotated at a rate of at least 1000 rpm to drive a rotatable element of the article, wherein the rotary drive cable is designed for use in a system that includes a first section and a second section through which at least a portion of the rotary drive cable must traverse to position the rotatable element in an operational location in the system, wherein the first section of the system is relatively straight compared to the second section of the system, and the second section is relatively bent compared to the first section, and further wherein: (a) the drive cable comprises a plurality of discrete segments that are coupled end to end; (b) the plurality of segments comprises a first rod and a first coil; (c) a first location of the first rod and a second location of the first coil along the drive cable are a function of: