The present invention relates to a puncture method and a puncture system. More specifically, the objective of the present invention is to carry out the aspiration of a sample from a human organ or an animal organ and the inner examination thereof, without the outward leak of the fluid and the like in...http://www.google.com.au/patents/US5882331?utm_source=gb-gplus-sharePatent US5882331 - Methods for puncturing an organ within a body cavity
