Patent ID: 6132448
Filing Date: 2000-10-17
Classification: A46B,A61B

Abstract:
A disposable, limited use surgical tool for use with a powered handpiece with motor means for rotatably driving said surgical tool, the handpiece having a housing and bore means therein for receiving said surgical tool, said surgical tool comprising:an elongate tubular outer member having a distal end with an opening thereat, a proximal end, a proximal end hub secured to the proximal end so as to be a permanent part of said outer member, said hub being configured to be directly received and engaged in said handpiece bore means and to said housing;an elongate inner member received in said outer member and having a distal end disposed adjacent said opening in said distal end of said outer member, and a proximal end adapted to be received in the handpiece bore means and rotatably driven by the motor means to rotate said inner member in said outer member;an improvement wherein said elongate tubular outer member has a radially inwardly facing surface having along a length thereof at least one elongate axially extending groove therein, said at least one elongate axially extending groove terminating at said proximal and distal ends of said elongate tubular outer member; andwherein said hub on said elongate tubular outer member includes means defining an irrigation liquid connection means, and wherein a window is provided through a wall of said elongate tubular outer member for providing liquid communication between said liquid connection means and said at least one elongate axially extending groove so that liquid will traverse the axial extent of said elongate axially extending groove and to said opening.