Laparoscopic instrument and trocar systems and related surgical method

A trocar holder for holding multiple spaced-apart trocars comprising:

• a flexible sleeve defining a portion of a surgical site, the flexible sleeve having a proximal portion and an open distal portion defining a cavity therein, the distal portion forming the portion of the surgical site;
• an upper plate;
• a separate lower plate spaced from and disposed below the upper plate;
• and
• an outer wall connected between the upper plate and the lower plate,
• at least one passageway defined by the upper plate, the lower plate and the outer wall, the trocar holder upper plate having multiple spaced-apart openings configured to enable multiple trocars to be disposed through the upper plate,
• wherein at least one of the trocars has a straight configuration, and wherein the at least one of the trocars having a straight configuration is at least partially disposed, at the upper plate, through the at least one passageway,
• wherein the upper and lower plates are configured such that the trocars can move in relation to the outer wall, and
• wherein the trocars each have a proximal portion and a distal portion and wherein the proximal portion extends proximally of the upper plate.