Patent ID: 7828804
Filing Date: 2010-11-09
Classification: A61B,A61F,Y10T

Abstract:
1. A cutting device for use in percutaneous procedures, the device comprising: a shaft extending along a longitudinal axis between a proximal portion and a distal portion, the shaft comprising a flexible section adjacent the distal portion; a cutting head extending from the distal portion of the shaft, the cutting head comprising: a retracting assembly movably coupled to the shaft, the retracting assembly movable along the longitudinal axis relative to the cutting head for selectively moving the first and second blades between the first and second insertion configurations and the first and second cutting configuration, the retracting assembly comprising a hypo-tube for selectively receiving and enclosing the first and second blades to hold the first and second blades in the first and second insertion configurations; and a bearing assembly adjacent the proximal portion of the shaft, the bearing assembly comprising a pair of bearings positioned within at least one housing, the bearings engaging a collet attached to the shaft, the collet sized and shaped for attachment to a motive source.