Continuous gas flow trocar assembly

US7182752B2 · kind B2 · utility

Assignee

• Surgiquest, Inc. · US

Inventors

• Jack Stubbs · Orlando, US
• Ronald J. Thompson · Stanton, US
• George A. J. Hartman · Waynesville, US
• Donald N. Halgren · Attleboro, US
• Michael J. Campbell · Los Angeles, US

Key dates

• Filing date: May 17, 2003
• Grant date: Feb 27, 2007
• Expiry date: Sep 16, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/064
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A trocar assembly for providing a pressurized insufflation fluid into a patient cavity and for providing sealable access to the patient cavity by a surgical instrument. The assembly comprises an inner tubular member having a proximal end and a distal end. An outer tubular member is disposed about the inner tubular member, the outer tubular member having a proximal end and a distal end. The distal end of the inner tubular member and the distal end of the outer tubular member define a trocar seal nozzle arranged therebetween.