Patent ID: 9415160
Filing Date: 2016-08-16
CPC Classification: A61B,A61M,B01D

Claim Text:
1. A fluid filtration system for use during minimally invasive surgical procedures involving a surgical site in a peritoneal cavity of a patient, the peritoneal cavity having higher than ambient pressure, the system comprising: a filter assembly having a filter body with a site side and an outlet side; a first fluid conduit extending between the surgical site and the filter assembly, the first fluid conduit in fluid communication with the peritoneal cavity; a second fluid conduit in fluid communication with the first fluid conduit and extending between the outlet side and a vacuum source, the vacuum source generating a pressure of approximately −100 to −600 mm Hg; a liquid trap chamber disposed in the filter body; at least one filter disposed in the filter assembly; wherein the filter assembly comprises an adjustable flow selector disposed in the filter body and configured to maintain approximately 5 to 20 mm Hg at the surgical site while the vacuum source is operating between −100 to −600 mm Hg.