Methods and apparatus are provided to facilitate the minimally invasive removal of tissue biopsies and to facilitate the direct approach to anesthetizing the chest wall, in accordance with embodiments of the present invention. A pull-type cutting device 1 comprises two coaxially nested tubes, each extending...http://www.google.fr/patents/US20090054805?utm_source=gb-gplus-shareBrevet US20090054805 - MINIMALLY INVASIVE METHODS AND APPARATUS