Surgical instrument with jaws and a movable internal blade member and method for use thereof

A method of performing surgical procedures comprising the steps of

• introducing a tubular member having jaws through an opening in an anatomical cavity wall;
• grasping anatomical tissue with the jaws;
• advancing an inner member having a blade distally through the tubular member;
• and
• performing a medical procedure with the blade.

A method of performing surgical procedures comprising the steps of

• introducing a tubular member having jaws through an opening in an anatomical cavity wall;
• advancing an inner member comprising a blade distally through the tubular member until the blade protrudes distally from the jaws;
• and
• performing a medical procedure with the blade.

A surgical instrument comprising

• a tubular outer member having a proximal end and a distal end;
• an intermediate member having a body disposed at least partly within said outer member, a proximal end and a distal end defining a pair of opposed jaws;
• an inner member disposed at least partly within a channel defined in said outer member, said inner member comprising a shaft and a blade on a distal end of said shaft;
• and
• a handle coupled with at least one of said jaws and configured to move said jaws between open and closed positions.