Apparatus are provided for manipulating various internal tissue and organ structures of a patient incident to a variety of medical procedures. Organ or tissue manipulation is obtained through the use of one or more radially displaceable members such as balloons, expandable sponges, and various other...http://www.google.fr/patents/US5613950?utm_source=gb-gplus-shareBrevet US5613950 - Multifunctional manipulating instrument for various surgical procedures
Multifunctional manipulating instrument for various surgical procedures