Method for accessing abdominal cavity and medical procedure via natural orifice

Abstract

The method for accessing the abdominal cavity according to the present invention, includes: introducing a first flow path into the abdominal cavity; introducing a second flow path into the hollow organ from the natural orifice of the living body, and performing a pressure control, using the first flow path and the second flow path, so that the pressure within the hollow organ is lower than the pressure of the abdominal cavity, and forming an opening in the wall of the hollow organ from the inside of the hollow organ when the pressure within the abdominal cavity, as accomplished by pressure control, is equal to or lower than the pressure of the abdominal cavity, and inserting a device for performing a medical procedure through the opening.

Dependencies are inferred from the claim text.