Tissue removal probes comprise an elongated member, a drive shaft rotatably disposed within the member, and a rotatably tissue removal element mounted to the distal end of the drive shaft. One tissue removal element comprises a plurality of tissue-cutting filaments affixed at proximal and distal ends...http://www.google.es/patents/US20050203527?utm_source=gb-gplus-sharePatente US20050203527 - Apparatus and methods for removing vertebral bone and disc tissue
Apparatus and methods for removing vertebral bone and disc tissue
